Analysis
- max time kernel
94s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
12/09/2024, 02:41
General
- Target dbab536c0c8ac4e2fc0438edbd1e4712_JaffaCakes118.exe
- Size 627KB
- Sample240912-c6lpasxbrd
- SHA256 055646ba9602287b14635e1c332ed670999608d7a7cecae3ca6902fd30a74dad
Malware Config
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 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
- 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 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Enumerates system info in registry 2 TTPs 2 IoCs
- Modifies system certificate store 2 TTPs 3 IoCs
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\dbab536c0c8ac4e2fc0438edbd1e4712_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\dbab536c0c8ac4e2fc0438edbd1e4712_JaffaCakes118.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\n6759\s6759.exe"C:\Users\Admin\AppData\Local\Temp\n6759\s6759.exe" 35e7da84c828d93131ebf61dO45JHKiO5JjVJ/zz3yw9yCC1IIT653G0R4D9DomJHl56DjHH6GlAni8CwTJu2eloiCr8tkmplHAhAophtSaE9Ji2HkPZrjGTR/GbDYnj0PkbywO4Bjdd6OQF2KbTGE1G9fsiMVv0jq4AzaL4kaQBICI9qniVwXOmKkmMNw== /v "C:\Users\Admin\AppData\Local\Temp\dbab536c0c8ac4e2fc0438edbd1e4712_JaffaCakes118.exe"2⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Defense Evasion
Modify Registry
1Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1Replay Monitor
Loading Replay Monitor...
Downloads
s6759.exe
memory/1228-12-0x00007FF8FA215000-0x00007FF8FA216000-memory.dmp
memory/1228-13-0x00007FF8F9F60000-0x00007FF8FA901000-memory.dmp
memory/1228-14-0x00007FF8F9F60000-0x00007FF8FA901000-memory.dmp
memory/1228-35-0x00000000013B0000-0x00000000013C0000-memory.dmp
memory/1228-38-0x000000001C670000-0x000000001CB3E000-memory.dmp
memory/1228-39-0x000000001CBE0000-0x000000001CC7C000-memory.dmp
memory/1228-40-0x000000001CD50000-0x000000001CDB2000-memory.dmp
memory/1228-41-0x00007FF8F9F60000-0x00007FF8FA901000-memory.dmp
memory/1228-42-0x00007FF8F9F60000-0x00007FF8FA901000-memory.dmp
memory/1228-43-0x00000000013E0000-0x00000000013E8000-memory.dmp
memory/1228-44-0x00007FF8F9F60000-0x00007FF8FA901000-memory.dmp
memory/1228-45-0x00007FF8F9F60000-0x00007FF8FA901000-memory.dmp
memory/1228-46-0x00007FF8F9F60000-0x00007FF8FA901000-memory.dmp
memory/1228-48-0x00007FF8F9F60000-0x00007FF8FA901000-memory.dmp
memory/1228-47-0x00007FF8FA215000-0x00007FF8FA216000-memory.dmp
memory/1228-49-0x00007FF8F9F60000-0x00007FF8FA901000-memory.dmp
memory/1228-50-0x0000000020570000-0x00000000206AC000-memory.dmp
memory/1228-51-0x0000000020BC0000-0x00000000210CE000-memory.dmp
memory/1228-52-0x00007FF8F9F60000-0x00007FF8FA901000-memory.dmp
memory/1228-53-0x00007FF8F9F60000-0x00007FF8FA901000-memory.dmp
memory/1228-55-0x00007FF8F9F60000-0x00007FF8FA901000-memory.dmp
memory/1228-56-0x00007FF8F9F60000-0x00007FF8FA901000-memory.dmp