Analysis
- max time kernel
149s - max time network
133s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
14/10/2026, 00:43
General
- Target jaffacakes118_HEUR.Trojan.Win32.Generic.exe
- Size 348KB
- Sample261014-a3e18set7n
- SHA256 ac70df197fb781fa0736f10baefb270c75697eeb9b057495ffe90cb9341e7358
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes a file named after a Windows system binary 1 TTPs 2 IoCs
The file runs from a user directory while carrying the name of an executable that normally only exists in System32.
- Executes dropped EXE 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- 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: RenamesItself 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Trojan.Win32.Generic.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Trojan.Win32.Generic.exe"1⤵
- Checks computer location settings
- Executes a file named after a Windows system binary
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\wuauclt.exe"C:\Users\Admin\AppData\Local\Temp\wuauclt.exe" C:\Users\Admin\AppData\Local\Temp\6906.tmp2⤵
- Executes a file named after a Windows system binary
- Executes dropped EXE
- System Location Discovery: System Language Discovery
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4692 -s 4843⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4692 -ip 46921⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
wuauclt.exe
memory/4692-17-0x0000000000400000-0x0000000000483000-memory.dmp
memory/4692-18-0x0000000000400000-0x0000000000483000-memory.dmp
memory/4692-21-0x0000000000400000-0x0000000000483000-memory.dmp
memory/4804-1-0x00000000006E0000-0x000000000072F000-memory.dmp
memory/4804-0-0x0000000000400000-0x0000000000483000-memory.dmp
memory/4804-6-0x0000000000400000-0x0000000000483000-memory.dmp
memory/4804-5-0x0000000000401000-0x0000000000406000-memory.dmp
memory/4804-4-0x0000000002190000-0x0000000002191000-memory.dmp
memory/4804-22-0x0000000000400000-0x0000000000483000-memory.dmp
memory/4804-20-0x00000000006E0000-0x000000000072F000-memory.dmp