Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
28-05-2024 13:09
Static task
static1
Behavioral task
behavioral1
Sample
7d10d67d9f7590e5eff4c9818c6db8e2_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
7d10d67d9f7590e5eff4c9818c6db8e2_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
7d10d67d9f7590e5eff4c9818c6db8e2_JaffaCakes118.exe
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Size
174KB
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MD5
7d10d67d9f7590e5eff4c9818c6db8e2
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SHA1
21051468dfffc8065b12f82e53aa83c9edfe9049
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SHA256
7ed6db0961936f9c11762d1b06ae4918719c38906cb556ad9005383ffcb6b715
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SHA512
b0e0f077dbb464c738044b379f337e3e5ffcfc7a5237a4195fe37b7a2504484cd876c96ead916dc027a9360acd16c61dd56ee9548b3053fcd564c45ee81f2c2c
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SSDEEP
3072:OLz++++++++q6cQbsn+ylA3JxMS9xTmEx5VzRl:O/c/nRAPLaEx5d
Malware Config
Extracted
njrat
0.6.4
TORRENT
www.fb.linkpc.net:1070
ecbfc751e50996e8c53d87b0a26dc0af
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reg_key
ecbfc751e50996e8c53d87b0a26dc0af
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
Processes:
netsh.exepid process 3908 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
7d10d67d9f7590e5eff4c9818c6db8e2_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 7d10d67d9f7590e5eff4c9818c6db8e2_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
Kerneldll32.exepid process 2788 Kerneldll32.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
Kerneldll32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ecbfc751e50996e8c53d87b0a26dc0af = "\"C:\\Users\\Admin\\AppData\\Roaming\\Kerneldll32.exe\" .." Kerneldll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ecbfc751e50996e8c53d87b0a26dc0af = "\"C:\\Users\\Admin\\AppData\\Roaming\\Kerneldll32.exe\" .." Kerneldll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 45 IoCs
Processes:
Kerneldll32.exepid process 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe 2788 Kerneldll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Kerneldll32.exedescription pid process Token: SeDebugPrivilege 2788 Kerneldll32.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
7d10d67d9f7590e5eff4c9818c6db8e2_JaffaCakes118.exeKerneldll32.exedescription pid process target process PID 1000 wrote to memory of 2788 1000 7d10d67d9f7590e5eff4c9818c6db8e2_JaffaCakes118.exe Kerneldll32.exe PID 1000 wrote to memory of 2788 1000 7d10d67d9f7590e5eff4c9818c6db8e2_JaffaCakes118.exe Kerneldll32.exe PID 2788 wrote to memory of 3908 2788 Kerneldll32.exe netsh.exe PID 2788 wrote to memory of 3908 2788 Kerneldll32.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7d10d67d9f7590e5eff4c9818c6db8e2_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\7d10d67d9f7590e5eff4c9818c6db8e2_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1000 -
C:\Users\Admin\AppData\Roaming\Kerneldll32.exe"C:\Users\Admin\AppData\Roaming\Kerneldll32.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2788 -
C:\Windows\SYSTEM32\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Kerneldll32.exe" "Kerneldll32.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:3908
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
174KB
MD57d10d67d9f7590e5eff4c9818c6db8e2
SHA121051468dfffc8065b12f82e53aa83c9edfe9049
SHA2567ed6db0961936f9c11762d1b06ae4918719c38906cb556ad9005383ffcb6b715
SHA512b0e0f077dbb464c738044b379f337e3e5ffcfc7a5237a4195fe37b7a2504484cd876c96ead916dc027a9360acd16c61dd56ee9548b3053fcd564c45ee81f2c2c