Analysis
- max time kernel
155s - max time network
161s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
07/05/2024, 02:44
General
- Target 1f2eaf6046e04db7418d1bbe8abb746b_JaffaCakes118.exe
- Size 23KB
- Sample240507-c8faasef9y
- SHA256 355de2645c0630efcbbe0fffa82b4d980dc8a39125f1f98eb1bb5a3dc02ed3dd
Malware Config
Signatures
- njRAT/Bladabindi
Widely used RAT written in .NET.
- Modifies Windows Firewall 2 TTPs 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 27 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\1f2eaf6046e04db7418d1bbe8abb746b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1f2eaf6046e04db7418d1bbe8abb746b_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\systemwinW32.exe"C:\Users\Admin\AppData\Local\Temp\systemwinW32.exe"2⤵
- 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\systemwinW32.exe" "systemwinW32.exe" ENABLE3⤵
- Modifies Windows Firewall
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3744 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:81⤵
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
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Downloads
systemwinW32.exe
memory/468-0-0x0000000074712000-0x0000000074713000-memory.dmp
memory/468-1-0x0000000074710000-0x0000000074CC1000-memory.dmp
memory/468-2-0x0000000074710000-0x0000000074CC1000-memory.dmp
memory/468-4-0x0000000074712000-0x0000000074713000-memory.dmp
memory/468-5-0x0000000074710000-0x0000000074CC1000-memory.dmp
memory/468-15-0x0000000074710000-0x0000000074CC1000-memory.dmp
memory/1708-13-0x0000000074710000-0x0000000074CC1000-memory.dmp
memory/1708-16-0x0000000074710000-0x0000000074CC1000-memory.dmp