Malware analysis NXBBSEC-DDOS.exe Malicious activity | ANY.RUN

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File name:	NXBBSEC-DDOS.exe
Full analysis:	https://app.any.run/tasks/c041c886-2ceb-450f-a8a7-a027c2bc23a6
Verdict:	Malicious activity
Threats:	njRAT is a remote access trojan. It is one of the most widely accessible RATs on the market that features an abundance of educational information. Interested attackers can even find tutorials on YouTube. This allows it to become one of the most popular RATs in the world. njRAT ist ein Trojaner für den Fernzugriff. Es handelt sich um einen der am weitesten verbreiteten RATs auf dem Markt, der eine Fülle von Bildungsinformationen bietet. Interessierte Angreifer können sogar Tutorials auf YouTube finden. Dies macht ihn zu einem der beliebtesten RATs der Welt. Remote access trojans (RATs) are a type of malware that enables attackers to establish complete to partial control over infected computers. Such malicious programs often have a modular design, offering a wide range of functionalities for conducting illicit activities on compromised systems. Some of the most common features of RATs include access to the users’ data, webcam, and keystrokes. This malware is often distributed through phishing emails and links. Malware Trends Tracker >>>
Analysis date:	March 24, 2025, 01:28:53
OS:	Windows 10 Professional (build: 19045, 64 bit)
Tags:	rat njrat bladabindi
Indicators:
MIME:	application/vnd.microsoft.portable-executable
File info:	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:	FECA09BC6C9D6D64AF49F9CB8F719DFB
SHA1:	59EF9C766E99F29DE6EA250F39DA703527B58E00
SHA256:	40F01D4900FB164F8650C87BF382DFD44038FDEB9BF475DA075A06D93AA8A8B6
SSDEEP:	6144:f9p1323u5wsYnS5DB/2ZzW/0eSmXtWWNEAts6cSxBu5+VeI:f2u5wdnQDB/2ZzW/qmXtWgEfAOI

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.

Launch configuration

Task duration:: 120 seconds
Heavy Evasion option:
Network geolocation:: off
Additional time used:: 60 seconds
MITM proxy:: off
Privacy:: Public submission
Fakenet option:: off
Route via Tor:: off
Autoconfirmation of UAC:: on
Network:: on

Software preset

Internet Explorer 11.3636.19041.0
Adobe Acrobat (64-bit) (23.001.20093)
Adobe Flash Player 32 NPAPI (32.0.0.465)
Adobe Flash Player 32 PPAPI (32.0.0.465)
CCleaner (6.20)
FileZilla 3.65.0 (3.65.0)
Google Chrome (122.0.6261.70)
Google Update Helper (1.3.36.51)
Java 8 Update 271 (64-bit) (8.0.2710.9)
Java Auto Updater (2.8.271.9)
Microsoft Edge (122.0.2365.59)
Microsoft Edge Update (1.3.185.17)
Microsoft Office Professional 2019 - de-de (16.0.16026.20146)
Microsoft Office Professional 2019 - en-us (16.0.16026.20146)
Microsoft Office Professional 2019 - es-es (16.0.16026.20146)
Microsoft Office Professional 2019 - it-it (16.0.16026.20146)
Microsoft Office Professional 2019 - ja-jp (16.0.16026.20146)
Microsoft Office Professional 2019 - ko-kr (16.0.16026.20146)
Microsoft Office Professional 2019 - pt-br (16.0.16026.20146)
Microsoft Office Professional 2019 - tr-tr (16.0.16026.20146)
Microsoft Office Professionnel 2019 - fr-fr (16.0.16026.20146)
Microsoft Office профессиональный 2019 - ru-ru (16.0.16026.20146)
Microsoft OneNote - en-us (16.0.16026.20146)
Microsoft Update Health Tools (3.74.0.0)
Microsoft Visual C++ 2013 Redistributable (x64) - 12.0.30501 (12.0.30501.0)
Microsoft Visual C++ 2013 x64 Additional Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2013 x64 Minimum Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2015-2022 Redistributable (x64) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2015-2022 Redistributable (x86) - 14.36.32532 (14.36.32532.0)
Microsoft Visual C++ 2022 X64 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X64 Minimum Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Additional Runtime - 14.36.32532 (14.36.32532)
Microsoft Visual C++ 2022 X86 Minimum Runtime - 14.36.32532 (14.36.32532)
Mozilla Firefox (x64 en-US) (123.0)
Mozilla Maintenance Service (123.0)
Notepad++ (64-bit x64) (7.9.1)
Office 16 Click-to-Run Extensibility Component (16.0.15726.20202)
Office 16 Click-to-Run Licensing Component (16.0.16026.20146)
Office 16 Click-to-Run Localization Component (16.0.15726.20202)
Office 16 Click-to-Run Localization Component (16.0.15928.20198)
PowerShell 7-x64 (7.3.5.0)
Skype version 8.104 (8.104)
Update for Windows 10 for x64-based Systems (KB4023057) (2.59.0.0)
Update for Windows 10 for x64-based Systems (KB4023057) (2.63.0.0)
Update for Windows 10 for x64-based Systems (KB4480730) (2.55.0.0)
Update for Windows 10 for x64-based Systems (KB5001716) (8.93.0.0)
VLC media player (3.0.11)
WinRAR 5.91 (64-bit) (5.91.0)
Windows PC Health Check (3.6.2204.08001)

Hotfixes

Client LanguagePack Package
DotNetRollup
DotNetRollup 481
FodMetadata Package
Foundation Package
Hello Face Package
InternetExplorer Optional Package
KB5003791
KB5011048
KB5015684
KB5033052
LanguageFeatures Basic en us Package
LanguageFeatures Handwriting en us Package
LanguageFeatures OCR en us Package
LanguageFeatures Speech en us Package
LanguageFeatures TextToSpeech en us Package
MSPaint FoD Package
MediaPlayer Package
Microsoft OneCore ApplicationModel Sync Desktop FOD Package
Microsoft OneCore DirectX Database FOD Package
NetFx3 OnDemand Package
Notepad FoD Package
OpenSSH Client Package
PowerShell ISE FOD Package
Printing PMCPPC FoD Package
Printing WFS FoD Package
ProfessionalEdition
QuickAssist Package
RollupFix
ServicingStack
ServicingStack 3989
StepsRecorder Package
TabletPCMath Package
UserExperience Desktop Package
WordPad FoD Package

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MALICIOUS
- Create files in the Startup directory
  - NXBBSEC-DDOS.exe (PID: 1056)
- NJRAT has been detected (YARA)
  - NXBBSEC-DDOS.exe (PID: 1056)
- NjRAT is detected
  - NXBBSEC-DDOS.exe (PID: 1056)
- Changes the autorun value in the registry
  - NXBBSEC-DDOS.exe (PID: 1056)
SUSPICIOUS
- Reads security settings of Internet Explorer
  - NXBBSEC-DDOS.exe (PID: 6372)
  - ShellExperienceHost.exe (PID: 920)
- Executable content was dropped or overwritten
  - NXBBSEC-DDOS.exe (PID: 1056)
  - NXBBSEC-DDOS.exe (PID: 6372)
- Uses TASKKILL.EXE to kill process
  - NXBBSEC-DDOS.exe (PID: 1056)
- Creates file in the systems drive root
  - NXBBSEC-DDOS.exe (PID: 1056)
- Connects to unusual port
  - NXBBSEC-DDOS.exe (PID: 1056)
- Starts itself from another location
  - NXBBSEC-DDOS.exe (PID: 6372)
- Uses NETSH.EXE to add a firewall rule or allowed programs
  - NXBBSEC-DDOS.exe (PID: 1056)
INFO
- Reads the computer name
  - NXBBSEC-DDOS.exe (PID: 6372)
  - NXBBSEC-DDOS.exe (PID: 1056)
  - ShellExperienceHost.exe (PID: 920)
- Checks supported languages
  - NXBBSEC-DDOS.exe (PID: 6372)
  - NXBBSEC-DDOS.exe (PID: 1056)
  - ShellExperienceHost.exe (PID: 920)
- Process checks computer location settings
  - NXBBSEC-DDOS.exe (PID: 6372)
- Reads security settings of Internet Explorer
  - BackgroundTransferHost.exe (PID: 6752)
  - BackgroundTransferHost.exe (PID: 1328)
  - BackgroundTransferHost.exe (PID: 5392)
  - BackgroundTransferHost.exe (PID: 6564)
  - BackgroundTransferHost.exe (PID: 1324)
- Reads the machine GUID from the registry
  - NXBBSEC-DDOS.exe (PID: 1056)
- Creates files or folders in the user directory
  - NXBBSEC-DDOS.exe (PID: 1056)
  - BackgroundTransferHost.exe (PID: 1328)
- Reads the software policy settings
  - BackgroundTransferHost.exe (PID: 1328)
  - slui.exe (PID: 4920)
- Checks proxy server information
  - BackgroundTransferHost.exe (PID: 1328)
- Create files in a temporary directory
  - NXBBSEC-DDOS.exe (PID: 6372)
- Autorun file from Startup directory
  - NXBBSEC-DDOS.exe (PID: 1056)

Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

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NjRat

(PID) Process(1056) NXBBSEC-DDOS.exe

C2192.168.186.1

Ports9999

BotnetHacKed

Options

Auto-run registry keySoftware\Microsoft\Windows\CurrentVersion\Run\7ad28330efdc054f293793b2faa4e0db

Splitter|'|'|

Versionim523

No Malware configuration.

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TRiD

.exe	\|	Generic CIL Executable (.NET, Mono, etc.) (63.1)
.exe	\|	Win64 Executable (generic) (23.8)
.dll	\|	Win32 Dynamic Link Library (generic) (5.6)
.exe	\|	Win32 Executable (generic) (3.8)
.exe	\|	Generic Win/DOS Executable (1.7)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2025:03:24 01:08:14+00:00
ImageFileCharacteristics:	Executable, 32-bit
PEType:	PE32
LinkerVersion:	8
CodeSize:	35840
InitializedDataSize:	271872
UninitializedDataSize:	-
EntryPoint:	0xabbe
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows GUI

No data.

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All screenshots are available in the full report

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Total processes

151

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

920

"C:\WINDOWS\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca

C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Shell Experience Host

Version:

10.0.19041.3758 (WinBuild.160101.0800)

Modules

Images
c:\windows\systemapps\shellexperiencehost_cw5n1h2txyewy\shellexperiencehost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\wincorlib.dll

1056

"C:\Users\admin\AppData\Local\Temp\NXBBSEC-DDOS.exe"

C:\Users\admin\AppData\Local\Temp\NXBBSEC-DDOS.exe

NXBBSEC-DDOS.exe

User:

admin

Integrity Level:

MEDIUM

Modules

Images
c:\users\admin\appdata\local\temp\nxbbsec-ddos.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\mscoree.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll

NjRat

(PID) Process(1056) NXBBSEC-DDOS.exe

C2192.168.186.1

Ports9999

BotnetHacKed

Options

Auto-run registry keySoftware\Microsoft\Windows\CurrentVersion\Run\7ad28330efdc054f293793b2faa4e0db

Splitter|'|'|

Versionim523

1072

C:\WINDOWS\system32\SppExtComObj.exe -Embedding

C:\Windows\System32\SppExtComObj.Exe

—

svchost.exe

User:

NETWORK SERVICE

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

KMS Connection Broker

Version:

10.0.19041.3996 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\sppextcomobj.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\oleaut32.dll

1180

\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1

C:\Windows\System32\conhost.exe

—

netsh.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Console Window Host

Exit code:

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll

1324

"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1

C:\Windows\System32\BackgroundTransferHost.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Download/Upload Host

Exit code:

Version:

10.0.19041.3636 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\backgroundtransferhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\bcryptprimitives.dll

1328

"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1

C:\Windows\System32\BackgroundTransferHost.exe

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Download/Upload Host

Exit code:

Version:

10.0.19041.3636 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\backgroundtransferhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\bcryptprimitives.dll

4228

C:\WINDOWS\System32\slui.exe -Embedding

C:\Windows\System32\slui.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Windows Activation Client

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\slui.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\user32.dll

4920

"C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent

C:\Windows\System32\slui.exe

SppExtComObj.Exe

User:

NETWORK SERVICE

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

Windows Activation Client

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\slui.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\user32.dll

4996

taskkill /F /IM HACKER.exe

C:\Windows\SysWOW64\taskkill.exe

—

NXBBSEC-DDOS.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Terminates Processes

Exit code:

128

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\syswow64\taskkill.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\advapi32.dll

5392

"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1

C:\Windows\System32\BackgroundTransferHost.exe

—

svchost.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Download/Upload Host

Exit code:

Version:

10.0.19041.3636 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\backgroundtransferhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\kernel.appcore.dll
c:\windows\system32\bcryptprimitives.dll

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Total events

5 034

Read events

4 910

Write events

124

Delete events

Modification events


(PID) Process:	(6372) NXBBSEC-DDOS.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer
Operation:	write	Name:	SlowContextMenuEntries
Value: 6024B221EA3A6910A2DC08002B30309D0A010000BD0E0C47735D584D9CEDE91E22E23282770100000114020000000000C0000000000000468D0000006078A409B011A54DAFA526D86198A780390100009AD298B2EDA6DE11BA8CA68E55D895936E000000
(PID) Process:	(1056) NXBBSEC-DDOS.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:	write	Name:	7ad28330efdc054f293793b2faa4e0db
Value: "C:\Users\admin\AppData\Local\Temp\NXBBSEC-DDOS.exe" ..
(PID) Process:	(6752) BackgroundTransferHost.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content
Operation:	write	Name:	CachePrefix
Value:
(PID) Process:	(6752) BackgroundTransferHost.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies
Operation:	write	Name:	CachePrefix
Value: Cookie:
(PID) Process:	(6752) BackgroundTransferHost.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History
Operation:	write	Name:	CachePrefix
Value: Visited:
(PID) Process:	(1328) BackgroundTransferHost.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content
Operation:	write	Name:	CachePrefix
Value:
(PID) Process:	(1328) BackgroundTransferHost.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies
Operation:	write	Name:	CachePrefix
Value: Cookie:
(PID) Process:	(1328) BackgroundTransferHost.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History
Operation:	write	Name:	CachePrefix
Value: Visited:
(PID) Process:	(6564) BackgroundTransferHost.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content
Operation:	write	Name:	CachePrefix
Value:
(PID) Process:	(6564) BackgroundTransferHost.exe	Key:	HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies
Operation:	write	Name:	CachePrefix
Value: Cookie:

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
1328	BackgroundTransferHost.exe	C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\Microsoft\CryptnetUrlCache\Content\26C212D9399727259664BDFCA073966E_F9F7D6A7ECE73106D2A8C63168CDA10D		—
		MD5:—	SHA256:—
1328	BackgroundTransferHost.exe	C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\25e78807-c481-4552-8483-e55f73fcc266.down_data		—
		MD5:—	SHA256:—
1056	NXBBSEC-DDOS.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\7ad28330efdc054f293793b2faa4e0db.exe		executable
		MD5:FECA09BC6C9D6D64AF49F9CB8F719DFB	SHA256:40F01D4900FB164F8650C87BF382DFD44038FDEB9BF475DA075A06D93AA8A8B6
6372	NXBBSEC-DDOS.exe	C:\Users\admin\AppData\Local\Temp\NXBBSEC-DDOS.exe		executable
		MD5:FECA09BC6C9D6D64AF49F9CB8F719DFB	SHA256:40F01D4900FB164F8650C87BF382DFD44038FDEB9BF475DA075A06D93AA8A8B6
1328	BackgroundTransferHost.exe	C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\d3aa9831-6f6a-4083-84fc-b90308060bf1.up_meta_secure		binary
		MD5:5EE1C8A2A5AEFD782D0CEC75A5314004	SHA256:4F1C80FB63A50C69B0D4D3DD954172441680A6A7BB43FD585382EDB2815E4023
1328	BackgroundTransferHost.exe	C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\d3aa9831-6f6a-4083-84fc-b90308060bf1.dba4a2f5-e0b7-45fa-be93-2e3bd8737998.down_meta		binary
		MD5:C6FEED33716B4BA9FE236E323EA12804	SHA256:7108B89D7B92652695362F33AAA17E836DB1C23E90ADFD17F539684326AC01A2
1328	BackgroundTransferHost.exe	C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\25e78807-c481-4552-8483-e55f73fcc266.dba4a2f5-e0b7-45fa-be93-2e3bd8737998.down_meta		binary
		MD5:C6FEED33716B4BA9FE236E323EA12804	SHA256:7108B89D7B92652695362F33AAA17E836DB1C23E90ADFD17F539684326AC01A2
1328	BackgroundTransferHost.exe	C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\Microsoft\CryptnetUrlCache\MetaData\26C212D9399727259664BDFCA073966E_F9F7D6A7ECE73106D2A8C63168CDA10D		binary
		MD5:D7EA80FC498DF668EF74558644FB69EF	SHA256:2C713E5DFCB0C28AABBE14B9321831DFC30D36A7A339B556C86420A06EECAC3E

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HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

PID	Process	Method	HTTP Code	IP	URL	CN	Type	Size	Reputation
5496	MoUsoCoreWorker.exe	GET	200	23.48.23.156:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
6544	svchost.exe	GET	200	184.30.131.245:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D	unknown	—	—	whitelisted
1328	BackgroundTransferHost.exe	GET	200	184.30.131.245:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D	unknown	—	—	whitelisted
4696	SIHClient.exe	GET	200	23.219.150.101:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl	unknown	—	—	whitelisted
6944	backgroundTaskHost.exe	GET	200	184.30.131.245:80	http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D	unknown	—	—	whitelisted
4696	SIHClient.exe	GET	200	23.219.150.101:80	http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl	unknown	—	—	whitelisted

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
4	System	192.168.100.255:138	—	—	—	whitelisted
—	—	51.124.78.146:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
5496	MoUsoCoreWorker.exe	23.48.23.156:80	crl.microsoft.com	Akamai International B.V.	DE	unknown
3216	svchost.exe	40.113.103.199:443	client.wns.windows.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
6544	svchost.exe	20.190.160.64:443	login.live.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	unknown
6544	svchost.exe	184.30.131.245:80	ocsp.digicert.com	AKAMAI-AS	US	unknown
2104	svchost.exe	51.124.78.146:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
6944	backgroundTaskHost.exe	20.74.47.205:443	arc.msn.com	MICROSOFT-CORP-MSN-AS-BLOCK	FR	whitelisted
6944	backgroundTaskHost.exe	184.30.131.245:80	ocsp.digicert.com	AKAMAI-AS	US	unknown
1056	NXBBSEC-DDOS.exe	192.168.186.1:9999	—	—	—	unknown

DNS requests

Domain	IP	Reputation
google.com	142.250.185.238	whitelisted
settings-win.data.microsoft.com	51.124.78.146	whitelisted
crl.microsoft.com	23.48.23.156 23.48.23.166	whitelisted
client.wns.windows.com	40.113.103.199	whitelisted
login.live.com	20.190.160.64 40.126.32.72 20.190.160.17 40.126.32.133 20.190.160.130 20.190.160.132 40.126.32.76 20.190.160.131	whitelisted
ocsp.digicert.com	184.30.131.245	whitelisted
arc.msn.com	20.74.47.205	whitelisted
www.bing.com	2.23.227.215 2.23.227.208	whitelisted
slscr.update.microsoft.com	20.12.23.50	whitelisted
www.microsoft.com	23.219.150.101	whitelisted

Threats

No threats detected

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No debug info

General Info

NXBBSEC-DDOS.exe

FECA09BC6C9D6D64AF49F9CB8F719DFB

59EF9C766E99F29DE6EA250F39DA703527B58E00

40F01D4900FB164F8650C87BF382DFD44038FDEB9BF475DA075A06D93AA8A8B6

6144:f9p1323u5wsYnS5DB/2ZzW/0eSmXtWWNEAts6cSxBu5+VeI:f2u5wdnQDB/2ZzW/qmXtWgEfAOI

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Create files in the Startup directory

NJRAT has been detected (YARA)

NjRAT is detected

Changes the autorun value in the registry

SUSPICIOUS

Reads security settings of Internet Explorer

Executable content was dropped or overwritten

Uses TASKKILL.EXE to kill process

Creates file in the systems drive root

Connects to unusual port

Starts itself from another location

Uses NETSH.EXE to add a firewall rule or allowed programs

INFO

Reads the computer name

Checks supported languages

Process checks computer location settings

Reads security settings of Internet Explorer

Reads the machine GUID from the registry

Creates files or folders in the user directory

Reads the software policy settings

Checks proxy server information

Create files in a temporary directory

Autorun file from Startup directory

Malware configuration

NjRat

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

Information

Modules

Information

Modules

Malware configuration

NjRat

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Information

Modules

Registry activity

Modification events

Files activity

Dropped files

Network activity

HTTP requests

Connections

DNS requests

Threats

Debug output strings