Malware analysis Dark Crypter By Spider NeT.exe Malicious activity

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File name:	Dark Crypter By Spider NeT.exe
Full analysis:	https://app.any.run/tasks/74bb5a52-d945-421b-8016-79c16a7077aa
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:	June 18, 2025, 22:55:38
OS:	Windows 10 Professional (build: 19044, 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:	8968FC6B3253ECBC45670C9C66D7AD2C
SHA1:	CC6FDDAED3AC0C57D6DAAC198030BD58C4E5BF08
SHA256:	E7F4FC71AFAF005CE02A7B3A9C94C9B583FE065A721D915E75DB1FEAD0117B2B
SSDEEP:	6144:JWnR6mjVgUw6IpfbAX67Gn8d284hwtHBq4ZsWqYpqFCP:++nnbAX6I8db4hwtHBq4Zs0Q

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:: off
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 (133.0.6943.127)
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 (133.0.3065.92)
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) (136.0)
Mozilla Maintenance Service (136.0)
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)
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
- Changes the autorun value in the registry
  - System.exe (PID: 6840)
- NjRAT is detected
  - System.exe (PID: 6840)
- Create files in the Startup directory
  - System.exe (PID: 6840)
SUSPICIOUS
- Reads the date of Windows installation
  - Dark Crypter By Spider NeT.exe (PID: 1208)
- Executable content was dropped or overwritten
  - Dark Crypter By Spider NeT.exe (PID: 1208)
  - Stob.exe (PID: 2864)
  - System.exe (PID: 6840)
- Reads security settings of Internet Explorer
  - Dark Crypter By Spider NeT.exe (PID: 1208)
  - Stob.exe (PID: 2864)
- The process creates files with name similar to system file names
  - Stob.exe (PID: 2864)
- Starts itself from another location
  - Stob.exe (PID: 2864)
- Uses NETSH.EXE to add a firewall rule or allowed programs
  - System.exe (PID: 6840)
INFO
- Reads the computer name
  - Dark Crypter By Spider NeT.exe (PID: 1208)
  - DarkCrypter.exe (PID: 4676)
  - Stob.exe (PID: 2864)
  - System.exe (PID: 6840)
- Checks supported languages
  - DarkCrypter.exe (PID: 4676)
  - Dark Crypter By Spider NeT.exe (PID: 1208)
  - Stob.exe (PID: 2864)
  - System.exe (PID: 6840)
- Process checks computer location settings
  - Dark Crypter By Spider NeT.exe (PID: 1208)
  - Stob.exe (PID: 2864)
- Create files in a temporary directory
  - Dark Crypter By Spider NeT.exe (PID: 1208)
  - Stob.exe (PID: 2864)
- Reads the machine GUID from the registry
  - DarkCrypter.exe (PID: 4676)
  - Stob.exe (PID: 2864)
  - System.exe (PID: 6840)
- Launching a file from a Registry key
  - System.exe (PID: 6840)
- Launching a file from the Startup directory
  - System.exe (PID: 6840)
- Creates files or folders in the user directory
  - System.exe (PID: 6840)

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.) (82.9)
.dll	\|	Win32 Dynamic Link Library (generic) (7.4)
.exe	\|	Win32 Executable (generic) (5.1)
.exe	\|	Generic Win/DOS Executable (2.2)
.exe	\|	DOS Executable Generic (2.2)

EXIF

EXE

MachineType:	Intel 386 or later, and compatibles
TimeStamp:	2019:11:26 21:14:59+00:00
ImageFileCharacteristics:	Executable, 32-bit
PEType:	PE32
LinkerVersion:	11
CodeSize:	153088
InitializedDataSize:	46080
UninitializedDataSize:	-
EntryPoint:	0x2758e
OSVersion:	4
ImageVersion:	-
SubsystemVersion:	4
Subsystem:	Windows GUI
FileVersionNumber:	1.0.0.0
ProductVersionNumber:	1.0.0.0
FileFlagsMask:	0x003f
FileFlags:	(none)
FileOS:	Win32
ObjectFileType:	Executable application
FileSubtype:	-
LanguageCode:	Neutral
CharacterSet:	Unicode
FileDescription:	Dark Crypter By Spider NeT
FileVersion:	1.0.0.0
InternalName:	Dark Crypter By Spider NeT.exe
LegalCopyright:	Copyright © 2019
OriginalFileName:	Dark Crypter By Spider NeT.exe
ProductName:	Dark Crypter By Spider NeT
ProductVersion:	1.0.0.0
AssemblyVersion:	1.0.0.0

No data.

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All screenshots are available in the full report

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Total processes

133

Monitored processes

Malicious processes

Suspicious processes

Behavior graph

Click at the process to see the details

Process information

PID

CMD

Path

Indicators

Parent process

1208

"C:\Users\admin\Desktop\Dark Crypter By Spider NeT.exe"

C:\Users\admin\Desktop\Dark Crypter By Spider NeT.exe

explorer.exe

User:

admin

Integrity Level:

MEDIUM

Description:

Dark Crypter By Spider NeT

Exit code:

Version:

1.0.0.0

Modules

Images
c:\users\admin\desktop\dark crypter by spider net.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

2200

C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s Dnscache

C:\Windows\System32\svchost.exe

services.exe

User:

NETWORK SERVICE

Company:

Microsoft Corporation

Integrity Level:

SYSTEM

Description:

Host Process for Windows Services

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\system32\svchost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\kernel.appcore.dll

2716

netsh firewall add allowedprogram "C:\Users\admin\AppData\Local\Temp\System.exe" "System.exe" ENABLE

C:\Windows\SysWOW64\netsh.exe

—

System.exe

User:

admin

Company:

Microsoft Corporation

Integrity Level:

MEDIUM

Description:

Network Command Shell

Exit code:

Version:

10.0.19041.1 (WinBuild.160101.0800)

Modules

Images
c:\windows\syswow64\netsh.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\msvcrt.dll

2864

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

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

Dark Crypter By Spider NeT.exe

User:

admin

Integrity Level:

MEDIUM

Description:

Stob

Exit code:

Version:

1.0.0.0

Modules

Images
c:\users\admin\appdata\local\temp\stob.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

3668

\??\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

4676

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

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

—

Dark Crypter By Spider NeT.exe

User:

admin

Company:

Dark Crypter By Spider NeT

Integrity Level:

MEDIUM

Description:

Dark Crypter By Spider NeT

Version:

1.0.0.0

Modules

Images
c:\users\admin\appdata\local\temp\darkcrypter.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll

6840

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

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

Stob.exe

User:

admin

Integrity Level:

MEDIUM

Description:

Stob

Version:

1.0.0.0

Modules

Images
c:\users\admin\appdata\local\temp\system.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

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Total events

5 508

Read events

5 492

Write events

Delete events

Modification events


(PID) Process:	(1208) Dark Crypter By Spider NeT.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	ProxyBypass
Value: 1
(PID) Process:	(1208) Dark Crypter By Spider NeT.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	IntranetName
Value: 1
(PID) Process:	(1208) Dark Crypter By Spider NeT.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	UNCAsIntranet
Value: 1
(PID) Process:	(1208) Dark Crypter By Spider NeT.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:	write	Name:	AutoDetect
Value: 0
(PID) Process:	(6840) System.exe	Key:	HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:	write	Name:	301b5fcf8ce2fab8868e80b6c1f912fe
Value: "C:\Users\admin\AppData\Local\Temp\System.exe" ..
(PID) Process:	(6840) System.exe	Key:	HKEY_CURRENT_USER\Environment
Operation:	write	Name:	SEE_MASK_NOZONECHECKS
Value: 1

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Executable files

Suspicious files

Text files

Unknown types

Dropped files

PID	Process	Filename		Type
2864	Stob.exe	C:\Users\admin\AppData\Local\Temp\System.exe		executable
		MD5:9E5FC4EB056F3C187119A675B3854172	SHA256:981590840BACE34DCAE2445297A9C753B62AD8644BD42692ADD34D114D4C8A7B
1208	Dark Crypter By Spider NeT.exe	C:\Users\admin\AppData\Local\Temp\Stob.exe		executable
		MD5:9E5FC4EB056F3C187119A675B3854172	SHA256:981590840BACE34DCAE2445297A9C753B62AD8644BD42692ADD34D114D4C8A7B
1208	Dark Crypter By Spider NeT.exe	C:\Users\admin\AppData\Local\Temp\DarkCrypter.exe		executable
		MD5:FAA3B8DEFA4A1A71E0F30B2C3A870E3C	SHA256:AFD37D7DFB446494548B76B85F060E7ED71F051CFE0D926893964049AC602E6B
6840	System.exe	C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\301b5fcf8ce2fab8868e80b6c1f912fe.exe		executable
		MD5:9E5FC4EB056F3C187119A675B3854172	SHA256:981590840BACE34DCAE2445297A9C753B62AD8644BD42692ADD34D114D4C8A7B

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

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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
1268	svchost.exe	GET	200	23.55.104.172:80	http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl	unknown	—	—	whitelisted
1268	svchost.exe	GET	200	23.219.150.101:80	http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl	unknown	—	—	whitelisted

Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID	Process	IP	Domain	ASN	CN	Reputation
1268	svchost.exe	51.124.78.146:443	—	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
4	System	192.168.100.255:137	—	—	—	whitelisted
5116	RUXIMICS.exe	51.124.78.146:443	—	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
5944	MoUsoCoreWorker.exe	51.124.78.146:443	—	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
4	System	192.168.100.255:138	—	—	—	whitelisted
1268	svchost.exe	20.73.194.208:443	settings-win.data.microsoft.com	MICROSOFT-CORP-MSN-AS-BLOCK	NL	whitelisted
1268	svchost.exe	23.55.104.172:80	crl.microsoft.com	Akamai International B.V.	US	whitelisted
1268	svchost.exe	23.219.150.101:80	www.microsoft.com	AKAMAI-AS	CL	whitelisted

DNS requests

Domain	IP	Reputation
google.com	142.250.186.78	whitelisted
settings-win.data.microsoft.com	20.73.194.208	whitelisted
crl.microsoft.com	23.55.104.172 23.55.104.190	whitelisted
www.microsoft.com	23.219.150.101	whitelisted
aliking.ddns.net	—	malicious

Threats

PID	Process	Class	Message
2200	svchost.exe	Potentially Bad Traffic	ET DYN_DNS DNS Query to DynDNS Domain *.ddns .net

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No debug info

General Info

Dark Crypter By Spider NeT.exe

8968FC6B3253ECBC45670C9C66D7AD2C

CC6FDDAED3AC0C57D6DAAC198030BD58C4E5BF08

E7F4FC71AFAF005CE02A7B3A9C94C9B583FE065A721D915E75DB1FEAD0117B2B

6144:JWnR6mjVgUw6IpfbAX67Gn8d284hwtHBq4ZsWqYpqFCP:++nnbAX6I8db4hwtHBq4Zs0Q

Software environment set and analysis options

Launch configuration

Software preset

Hotfixes

Behavior activities

MALICIOUS

Changes the autorun value in the registry

NjRAT is detected

Create files in the Startup directory

SUSPICIOUS

Reads the date of Windows installation

Executable content was dropped or overwritten

Reads security settings of Internet Explorer

The process creates files with name similar to system file names

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

Create files in a temporary directory

Reads the machine GUID from the registry

Launching a file from a Registry key

Launching a file from the Startup directory

Creates files or folders in the user directory

Malware configuration

Static information

TRiD

EXIF

EXE

Video and screenshots

Processes

Behavior graph

Specs description

Process information

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