Analysis
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max time kernel
150s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
23-01-2025 06:00
Behavioral task
behavioral1
Sample
NjRat.0.7D.exe
Resource
win7-20240729-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
NjRat.0.7D.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
13 signatures
150 seconds
General
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Target
NjRat.0.7D.exe
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Size
31KB
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MD5
f875e445ea6997f53ccea541f4a1b933
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SHA1
3a11a15bf03b5bf8952ece2d02607ee29b551db4
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SHA256
efd485fb1bb495564cbaba67e413fb288abdd5dd5309c71b89607db28b0e3682
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SHA512
8ded6ab74bf370d656cf6a5725a97c23f30e783c222cd5dd7189050d0ae9f6e92cf2611bee1e63336cda96874a48802d8d3d5855843f329cde7f69da4a2a0974
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SSDEEP
768:WnCfqdzNB0zx/6LmzmnAXdvAFQmIDUu0tiYbj:X6KjpAQVkvj
Malware Config
Extracted
Family
njrat
Version
0.7d
Botnet
MyBot
C2
7.tcp.eu.ngrok.io:19931
Mutex
b9cb5683b4d6c647e4bd6dd4ddfd092f
Attributes
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reg_key
b9cb5683b4d6c647e4bd6dd4ddfd092f
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splitter
Y262SUCZ4UJJ
Signatures
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Njrat family
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2628 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b9cb5683b4d6c647e4bd6dd4ddfd092f.exe WindowsServices.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b9cb5683b4d6c647e4bd6dd4ddfd092f.exe WindowsServices.exe -
Executes dropped EXE 1 IoCs
pid Process 2160 WindowsServices.exe -
Loads dropped DLL 1 IoCs
pid Process 2680 NjRat.0.7D.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
flow ioc 64 7.tcp.eu.ngrok.io 2 7.tcp.eu.ngrok.io 20 7.tcp.eu.ngrok.io 34 7.tcp.eu.ngrok.io 49 7.tcp.eu.ngrok.io -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language NjRat.0.7D.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WindowsServices.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe 2680 NjRat.0.7D.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: SeDebugPrivilege 2680 NjRat.0.7D.exe Token: SeDebugPrivilege 2160 WindowsServices.exe Token: 33 2160 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2160 WindowsServices.exe Token: 33 2160 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2160 WindowsServices.exe Token: 33 2160 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2160 WindowsServices.exe Token: 33 2160 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2160 WindowsServices.exe Token: 33 2160 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2160 WindowsServices.exe Token: 33 2160 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2160 WindowsServices.exe Token: 33 2160 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2160 WindowsServices.exe Token: 33 2160 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2160 WindowsServices.exe Token: 33 2160 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2160 WindowsServices.exe Token: 33 2160 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2160 WindowsServices.exe Token: 33 2160 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2160 WindowsServices.exe Token: 33 2160 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2160 WindowsServices.exe Token: 33 2160 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2160 WindowsServices.exe Token: 33 2160 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2160 WindowsServices.exe Token: 33 2160 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2160 WindowsServices.exe Token: 33 2160 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2160 WindowsServices.exe Token: 33 2160 WindowsServices.exe Token: SeIncBasePriorityPrivilege 2160 WindowsServices.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2680 wrote to memory of 2160 2680 NjRat.0.7D.exe 30 PID 2680 wrote to memory of 2160 2680 NjRat.0.7D.exe 30 PID 2680 wrote to memory of 2160 2680 NjRat.0.7D.exe 30 PID 2680 wrote to memory of 2160 2680 NjRat.0.7D.exe 30 PID 2160 wrote to memory of 2628 2160 WindowsServices.exe 31 PID 2160 wrote to memory of 2628 2160 WindowsServices.exe 31 PID 2160 wrote to memory of 2628 2160 WindowsServices.exe 31 PID 2160 wrote to memory of 2628 2160 WindowsServices.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\NjRat.0.7D.exe"C:\Users\Admin\AppData\Local\Temp\NjRat.0.7D.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe"C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe"2⤵
- Drops startup file
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2160 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\WindowsServices.exe" "WindowsServices.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2628
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Network
MITRE ATT&CK Enterprise v15
Persistence
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Replay Monitor
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Downloads
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Filesize
31KB
MD5f875e445ea6997f53ccea541f4a1b933
SHA13a11a15bf03b5bf8952ece2d02607ee29b551db4
SHA256efd485fb1bb495564cbaba67e413fb288abdd5dd5309c71b89607db28b0e3682
SHA5128ded6ab74bf370d656cf6a5725a97c23f30e783c222cd5dd7189050d0ae9f6e92cf2611bee1e63336cda96874a48802d8d3d5855843f329cde7f69da4a2a0974