Analysis
- max time kernel
150s - max time network
141s - platform
windows7_x64 - resource
win7-20230831-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
-
5.tcp.eu.ngrok.io:16354
-
7ce5fa642f29b7c25f2d8cfc6eb713b7
-
reg_key
7ce5fa642f29b7c25f2d8cfc6eb713b7
-
splitter
|'|'|
Signatures
- njRAT/Bladabindi
Widely used RAT written in .NET.
- Modifies Windows Firewall 1 TTPs 1 IoCs
- Drops startup file 2 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 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 33 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2C2E2C1EECDCC7F2AF8670CC06BFBB1E.exe"C:\Users\Admin\AppData\Local\Temp\2C2E2C1EECDCC7F2AF8670CC06BFBB1E.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
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
-
-
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
Loading Replay Monitor...
Downloads
svchost.exe
svchost.exe
7ce5fa642f29b7c25f2d8cfc6eb713b7.exe
svchost.exe
memory/2240-9-0x00000000744F0000-0x0000000074A9B000-memory.dmp
memory/2240-1-0x00000000744F0000-0x0000000074A9B000-memory.dmp
memory/2240-0-0x00000000744F0000-0x0000000074A9B000-memory.dmp
memory/2240-13-0x00000000744F0000-0x0000000074A9B000-memory.dmp
memory/2240-14-0x00000000744F0000-0x0000000074A9B000-memory.dmp
memory/2240-2-0x0000000001ED0000-0x0000000001F10000-memory.dmp
memory/2736-11-0x0000000001E30000-0x0000000001E70000-memory.dmp
memory/2736-12-0x00000000744F0000-0x0000000074A9B000-memory.dmp
memory/2736-16-0x0000000001E30000-0x0000000001E70000-memory.dmp
memory/2736-17-0x00000000744F0000-0x0000000074A9B000-memory.dmp
memory/2736-18-0x00000000744F0000-0x0000000074A9B000-memory.dmp