Malware analysis Server.exe Malicious activity | ANY.RUN

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File name:	Server.exe
Full analysis:	https://app.any.run/tasks/5b85de36-d731-4b40-b2b3-cc32f2a23ce9
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. Trojans are a group of malicious programs distinguished by their ability to masquerade as benign software. Depending on their type, trojans possess a variety of capabilities, ranging from maintaining full remote control over the victim’s machine to stealing data and files, as well as dropping other malware. At the same time, the main functionality of each trojan family can differ significantly depending on its type. The most common trojan infection chain starts with a phishing email. Malware Trends Tracker >>>
Analysis date:	July 11, 2019, 19:51:51
OS:	Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:	trojan rat njrat bladabindi
Indicators:
MIME:	application/x-dosexec
File info:	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:	2E68C188283E0A5F4CF3F6983A517366
SHA1:	BF31739C526F0A633945415B55B0553C6232A7AE
SHA256:	E59DF8BF66FCEF14D4AEF67B45AC2269977949ECBFFA39DD1FEE47C16A673777
SSDEEP:	3072:zSUo2LoONCXEKJAtMOHfCqe6lxNPQWzN:zS1b06RWfCD6lr5

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:: 60 seconds
Heavy Evasion option:: off
Network geolocation:: off
Additional time used:: none
MITM proxy:: off
Privacy:: Public submission
Fakenet option:: off
Route via Tor:: off
Autoconfirmation of UAC:: on
Network:: on

Software preset

Internet Explorer 8.0.7601.17514 undefined
Adobe Acrobat Reader DC MUI (15.023.20070)
Adobe Flash Player 26 ActiveX (26.0.0.131)
Adobe Flash Player 26 NPAPI (26.0.0.131)
Adobe Flash Player 26 PPAPI (26.0.0.131)
Adobe Refresh Manager (1.8.0)
CCleaner (5.35)
FileZilla Client 3.36.0 (3.36.0)
Google Chrome (75.0.3770.100)
Google Update Helper (1.3.34.7)
Java 8 Update 92 (8.0.920.14)
Java Auto Updater (2.8.92.14)
Microsoft .NET Framework 4.7.2 (4.7.03062)
Microsoft Office Access MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Access Setup Metadata MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Excel MUI (English) 2010 (14.0.6029.1000)
Microsoft Office OneNote MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Outlook MUI (English) 2010 (14.0.6029.1000)
Microsoft Office PowerPoint MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Professional 2010 (14.0.6029.1000)
Microsoft Office Proof (English) 2010 (14.0.6029.1000)
Microsoft Office Proof (French) 2010 (14.0.6029.1000)
Microsoft Office Proof (Spanish) 2010 (14.0.6029.1000)
Microsoft Office Proofing (English) 2010 (14.0.6029.1000)
Microsoft Office Publisher MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Shared MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Shared Setup Metadata MUI (English) 2010 (14.0.6029.1000)
Microsoft Office Single Image 2010 (14.0.6029.1000)
Microsoft Office Word MUI (English) 2010 (14.0.6029.1000)
Microsoft Visual C++ 2008 Redistributable - x86 9.0.30729.6161 (9.0.30729.6161)
Microsoft Visual C++ 2010 x86 Redistributable - 10.0.40219 (10.0.40219)
Microsoft Visual C++ 2013 Redistributable (x86) - 12.0.30501 (12.0.30501.0)
Microsoft Visual C++ 2013 x86 Additional Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2013 x86 Minimum Runtime - 12.0.21005 (12.0.21005)
Microsoft Visual C++ 2015-2019 Redistributable (x86) - 14.21.27702 (14.21.27702.2)
Microsoft Visual C++ 2019 X86 Additional Runtime - 14.21.27702 (14.21.27702)
Microsoft Visual C++ 2019 X86 Minimum Runtime - 14.21.27702 (14.21.27702)
Mozilla Firefox 67.0.4 (x86 en-US) (67.0.4)
Notepad++ (32-bit x86) (7.5.1)
Opera 12.15 (12.15.1748)
Skype version 8.29 (8.29)
Update for Microsoft .NET Framework 4.7.2 (KB4087364) (1)
VLC media player (2.2.6)
WinRAR 5.60 (32-bit) (5.60.0)

Hotfixes

Client LanguagePack Package
Client Refresh LanguagePack Package
CodecPack Basic Package
Foundation Package
IE Troubleshooters Package
InternetExplorer Optional Package
KB2534111
KB2999226
KB4019990
KB976902
LocalPack AU Package
LocalPack CA Package
LocalPack GB Package
LocalPack US Package
LocalPack ZA Package
ProfessionalEdition
UltimateEdition

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MALICIOUS
- Writes to a start menu file
  - Sistema Operacional.exe (PID: 3644)
- Changes the autorun value in the registry
  - Sistema Operacional.exe (PID: 3644)
- Uses Task Scheduler to run other applications
  - Sistema Operacional.exe (PID: 3644)
- NJRAT was detected
  - Sistema Operacional.exe (PID: 3644)
- Connects to CnC server
  - Sistema Operacional.exe (PID: 3644)
- Loads the Task Scheduler COM API
  - schtasks.exe (PID: 3912)
SUSPICIOUS
- Executable content was dropped or overwritten
  - Server.exe (PID: 3080)
  - Sistema Operacional.exe (PID: 3644)
- Starts itself from another location
  - Server.exe (PID: 3080)
- Executed via Task Scheduler
  - Server.exe (PID: 2516)
- Creates files in the user directory
  - Sistema Operacional.exe (PID: 3644)
INFO
No info indicators.

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

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No Malware configuration.

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TRiD

.exe	\|	Generic CIL Executable (.NET, Mono, etc.) (72.2)
.scr	\|	Windows screen saver (12.9)
.dll	\|	Win32 Dynamic Link Library (generic) (6.4)
.exe	\|	Win32 Executable (generic) (4.4)
.exe	\|	Generic Win/DOS Executable (1.9)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2019:06:24 02:10:40+02:00
PEType:	PE32
LinkerVersion:	11
CodeSize:	113152
InitializedDataSize:	2048
UninitializedDataSize:	-
EntryPoint:	0x1d8be
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows GUI
FileVersionNumber:	2.2.1288.1288
ProductVersionNumber:	1.1.1288.1288
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Dynamic link library
FileSubtype:	-
LanguageCode:	English (U.S.)
CharacterSet:	Windows, Latin1
ProductName:	98941e8₢ 7a8cb97₢ System
FileDescription:	The 0c533b4 is a big project from bf48513
CompanyName:	₢ 63a93a5 Corporation.
LegalCopyright:	₢ dadcd96 Corporation. All rights reserved
LegalTrademarks:	276b321
Comments:	Operating c4d1938 Values
FileVersion:	2.2.1288.1288
ProductVersion:	1.1.1288.1288
Guid:	8f8061d1-28b8-4c49-aa90-c6504dc07460

Summary

Architecture:	IMAGE_FILE_MACHINE_I386
Subsystem:	IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date:	24-Jun-2019 00:10:40
Detected languages:	English - United States
ProductName:	98941e8₢ 7a8cb97₢ System
FileDescription:	The 0c533b4 is a big project from bf48513
CompanyName:	₢ 63a93a5 Corporation.
LegalCopyright:	₢ dadcd96 Corporation. All rights reserved
LegalTrademarks:	276b321
Comments:	Operating c4d1938 Values
FileVersion:	2.2.1288.1288
ProductVersion:	1.1.1288.1288
Guid:	8f8061d1-28b8-4c49-aa90-c6504dc07460

DOS Header

Magic number:	MZ
Bytes on last page of file:	0x0090
Pages in file:	0x0003
Relocations:	0x0000
Size of header:	0x0004
Min extra paragraphs:	0x0000
Max extra paragraphs:	0xFFFF
Initial SS value:	0x0000
Initial SP value:	0x00B8
Checksum:	0x0000
Initial IP value:	0x0000
Initial CS value:	0x0000
Overlay number:	0x0000
OEM identifier:	0x0000
OEM information:	0x0000
Address of NE header:	0x00000080

PE Headers

Signature:	PE
Machine:	IMAGE_FILE_MACHINE_I386
Number of sections:	3
Time date stamp:	24-Jun-2019 00:10:40
Pointer to Symbol Table:	0x00000000
Number of symbols:	0
Size of Optional Header:	0x00E0
Characteristics:	IMAGE_FILE_32BIT_MACHINE IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name	Virtual Address	Virtual Size	Raw Size	Charateristics	Entropy
.text	0x00002000	0x0001B8C4	0x0001BA00	IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ	6.18589
.rsrc	0x0001E000	0x0000042C	0x00000600	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ	4.10845
.reloc	0x00020000	0x0000000C	0x00000200	IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ	0.10191

Resources

Title	Entropy	Size	Codepage	Language	Type
1	3.58317	980	Latin 1 / Western European	English - United States	RT_VERSION

Imports


mscoree.dll

No data.

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All screenshots are available in the full report

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Total processes

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

2516

C:\Users\admin\AppData\Local\Temp/Server.exe

C:\Users\admin\AppData\Local\Temp\Server.exe

—

taskeng.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\server.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll

3080

"C:\Users\admin\AppData\Local\Temp\Server.exe"

C:\Users\admin\AppData\Local\Temp\Server.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\appdata\local\temp\server.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll

3644

"C:\Users\admin\Sistema Operacional.exe"

C:\Users\admin\Sistema Operacional.exe

Server.exe

User:

admin

Integrity Level:

MEDIUM

Exit code:

Modules

Images
c:\users\admin\sistema operacional.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll

3912

schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\admin\AppData\Local\Temp/Server.exe

C:\Windows\system32\schtasks.exe

—

Sistema Operacional.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Manages scheduled tasks

Exit code:

Version:

6.1.7600.16385 (win7_rtm.090713-1255)

Modules

Images
c:\windows\system32\schtasks.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\ole32.dll

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Total events

476

Read events

404

Write events

Delete events

Modification events


(PID) Process:	(3080) Server.exe	Key:	HKEY_CURRENT_USER
Operation:	write	Name:	di
Value: !
(PID) Process:	(3080) Server.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	UNCAsIntranet
Value: 0
(PID) Process:	(3080) Server.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	AutoDetect
Value: 1
(PID) Process:	(3644) Sistema Operacional.exe	Key:	HKEY_CURRENT_USER
Operation:	write	Name:	di
Value: !
(PID) Process:	(3644) Sistema Operacional.exe	Key:	HKEY_CURRENT_USER\Environment
Operation:	write	Name:	SEE_MASK_NOZONECHECKS
Value: 1
(PID) Process:	(3644) Sistema Operacional.exe	Key:	HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:	write	Name:	Windows 32bits
Value: "C:\Users\admin\Sistema Operacional.exe" ..
(PID) Process:	(3644) Sistema Operacional.exe	Key:	HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:	write	Name:	Windows 32bits
Value: "C:\Users\admin\Sistema Operacional.exe" ..
(PID) Process:	(2516) Server.exe	Key:	HKEY_CURRENT_USER
Operation:	write	Name:	di
Value: !

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
3644	Sistema Operacional.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Sistema32.exe		executable
		MD5:—	SHA256:—
3080	Server.exe	C:\Users\admin\Sistema Operacional.exe		executable
		MD5:—	SHA256:—
3644	Sistema Operacional.exe	C:\Users\admin\AppData\Local\Temp\Server.exe		executable
		MD5:—	SHA256:—

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HTTP(S) requests

TCP/UDP connections

DNS requests

Threats

HTTP requests

No HTTP requests

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Connections

PID	Process	IP	Domain	ASN	CN	Reputation
3644	Sistema Operacional.exe	192.169.69.25:1177	googlebaixar.duckdns.org	Wowrack.com	US	malicious

DNS requests

Domain	IP	Reputation
googlebaixar.duckdns.org	192.169.69.25	malicious

Threats

PID	Process	Class	Message
1044	svchost.exe	Misc activity	ET INFO DYNAMIC_DNS Query to *.duckdns. Domain
3644	Sistema Operacional.exe	A Network Trojan was detected	MALWARE [PTsecurity] njRAT.Gen RAT outbound connection
3644	Sistema Operacional.exe	A Network Trojan was detected	MALWARE [PTsecurity] njRAT.Gen RAT outbound connection
3644	Sistema Operacional.exe	A Network Trojan was detected	MALWARE [PTsecurity] njRAT.Gen RAT outbound connection
3644	Sistema Operacional.exe	A Network Trojan was detected	MALWARE [PTsecurity] njRAT.Gen RAT outbound connection

6 ETPRO signatures available at the full report

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No debug info

General Info

Server.exe

2E68C188283E0A5F4CF3F6983A517366

BF31739C526F0A633945415B55B0553C6232A7AE

E59DF8BF66FCEF14D4AEF67B45AC2269977949ECBFFA39DD1FEE47C16A673777

3072:zSUo2LoONCXEKJAtMOHfCqe6lxNPQWzN:zS1b06RWfCD6lr5

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Writes to a start menu file

Changes the autorun value in the registry

Uses Task Scheduler to run other applications

NJRAT was detected

Connects to CnC server

Loads the Task Scheduler COM API

SUSPICIOUS

Executable content was dropped or overwritten

Starts itself from another location

Executed via Task Scheduler

Creates files in the user directory

INFO

Malware configuration

Static information

TRiD

EXIF

EXE

Summary

DOS Header

PE Headers

Sections

Resources

Imports

Video and screenshots

Processes

Behavior graph

Specs description

Process information

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