Analysis
- max time kernel
147s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
17/04/2024, 05:06
General
- Target f51892f6d4ee376d5b2472d51e5a6729_JaffaCakes118.exe
- Size 494KB
- Sample240417-frl83afh91
- SHA256 11742b1b7437e34b15baafe3e44a7cf5a14d9b149ddb87499c42dd9fdbd5661a
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).
- Program crash 1 IoCs
- Enumerates system info in registry 2 TTPs 2 IoCs
- Modifies system certificate store 2 TTPs 5 IoCs
- Suspicious behavior: EnumeratesProcesses 3 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\f51892f6d4ee376d5b2472d51e5a6729_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f51892f6d4ee376d5b2472d51e5a6729_JaffaCakes118.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks computer location settings
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\n1245\s1245.exe"C:\Users\Admin\AppData\Local\Temp\n1245\s1245.exe" ins.exe /e 12488987 /u 52fe2c91-49dc-40b7-b209-1f140a000013 /v "C:\Users\Admin\AppData\Local\Temp\f51892f6d4ee376d5b2472d51e5a6729_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
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1120 -s 45002⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1120 -ip 11201⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
s1245.exe
memory/3760-11-0x00007FF8B28A0000-0x00007FF8B3241000-memory.dmp
memory/3760-12-0x00007FF8B28A0000-0x00007FF8B3241000-memory.dmp
memory/3760-15-0x0000000000E80000-0x0000000000E90000-memory.dmp
memory/3760-26-0x000000001BA90000-0x000000001BA9A000-memory.dmp
memory/3760-29-0x000000001C2E0000-0x000000001C7AE000-memory.dmp
memory/3760-30-0x000000001C850000-0x000000001C8EC000-memory.dmp
memory/3760-31-0x000000001B750000-0x000000001B758000-memory.dmp
memory/3760-32-0x0000000000E80000-0x0000000000E90000-memory.dmp
memory/3760-33-0x0000000000E80000-0x0000000000E90000-memory.dmp
memory/3760-34-0x0000000000E80000-0x0000000000E90000-memory.dmp
memory/3760-35-0x000000001F920000-0x000000001F982000-memory.dmp
memory/3760-36-0x000000001FED0000-0x000000002000C000-memory.dmp
memory/3760-37-0x0000000020520000-0x0000000020A2E000-memory.dmp
memory/3760-38-0x0000000020A30000-0x0000000020B30000-memory.dmp
memory/3760-40-0x00007FF8B28A0000-0x00007FF8B3241000-memory.dmp