Analysis
- max time kernel
93s - max time network
94s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
12/10/2024, 05:16
General
- Target 3891a6bee33b4ac62040305b22497336_JaffaCakes118.exe
- Size 165KB
- Sample241012-fyjfrazdnr
- SHA256 0c8fd460eaa4a2687b8b00554b2b6361d108e6a430706acf085a8759b6886135
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Drops desktop.ini file(s) 2 IoCs
- Drops file in Windows directory 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\3891a6bee33b4ac62040305b22497336_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3891a6bee33b4ac62040305b22497336_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ins1908\ins1908.exe"C:\Users\Admin\AppData\Local\Temp\ins1908\ins1908.exe" ins.exe /e80165 /u4dc91109-8910-4f47-b8b6-203e5bc06f262⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
ins1908.exe
memory/4808-18-0x0000000073460000-0x0000000073A11000-memory.dmp
memory/4808-12-0x0000000073462000-0x0000000073463000-memory.dmp
memory/4808-13-0x0000000073460000-0x0000000073A11000-memory.dmp
memory/4808-14-0x0000000073460000-0x0000000073A11000-memory.dmp
memory/4808-17-0x0000000073460000-0x0000000073A11000-memory.dmp
memory/4808-19-0x0000000073460000-0x0000000073A11000-memory.dmp
memory/4808-20-0x0000000073460000-0x0000000073A11000-memory.dmp
memory/4808-22-0x0000000073460000-0x0000000073A11000-memory.dmp
memory/4808-23-0x0000000073462000-0x0000000073463000-memory.dmp
memory/4808-25-0x0000000073460000-0x0000000073A11000-memory.dmp
memory/4852-0-0x0000000000400000-0x000000000047C000-memory.dmp
memory/4852-21-0x0000000000400000-0x000000000047C000-memory.dmp
memory/4852-26-0x0000000000400000-0x000000000047C000-memory.dmp