Analysis
- max time kernel
150s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20230915-en - resource tags
- submitted
16/10/2023, 14:36
General
- Target 2C2E2C1EECDCC7F2AF8670CC06BFBB1E.exe
- Size 23KB
- Sample231016-rykvcsag33
- SHA256 5cdcdfe8d7d4f748a85eb7e7b969e888471cf98061a250c908cbff3d30885878
Malware Config
Extracted
-
njrat
-
0.7d
-
HacKed
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5.tcp.eu.ngrok.io:16354
-
7ce5fa642f29b7c25f2d8cfc6eb713b7
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reg_key
7ce5fa642f29b7c25f2d8cfc6eb713b7
-
splitter
|'|'|
Signatures
- njRAT/Bladabindi
Widely used RAT written in .NET.
- Modifies Windows Firewall 1 TTPs 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Drops startup file 2 IoCs
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 29 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2C2E2C1EECDCC7F2AF8670CC06BFBB1E.exe"C:\Users\Admin\AppData\Local\Temp\2C2E2C1EECDCC7F2AF8670CC06BFBB1E.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\svchost.exe"C:\Users\Admin\AppData\Local\Temp\svchost.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE3⤵
- Modifies Windows Firewall
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-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
svchost.exe
svchost.exe
svchost.exe
memory/396-13-0x00000000748D0000-0x0000000074E81000-memory.dmp
memory/396-14-0x00000000748D0000-0x0000000074E81000-memory.dmp
memory/396-17-0x00000000748D0000-0x0000000074E81000-memory.dmp
memory/3436-0-0x00000000748D0000-0x0000000074E81000-memory.dmp
memory/3436-1-0x00000000748D0000-0x0000000074E81000-memory.dmp
memory/3436-2-0x0000000001040000-0x0000000001050000-memory.dmp
memory/3436-3-0x00000000748D0000-0x0000000074E81000-memory.dmp
memory/3436-5-0x0000000001040000-0x0000000001050000-memory.dmp
memory/3436-16-0x00000000748D0000-0x0000000074E81000-memory.dmp