Analysis
- max time kernel
150s - max time network
134s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
14/10/2026, 01:49
General
- Target jaffacakes118_HEUR.Trojan.Win32.Generic.exe
- Size 340KB
- Sample261014-b8tx1sty4r
- SHA256 b33711ee80aae29b3e8b2446a5fe532c471f368672b690b4a85f5c35bf99b2b7
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
- Loads dropped DLL 1 IoCs
- Direct Volume Access: Opens a physical disk for reading 1 TTPs 1 IoCs
Opens a raw handle to a physical disk, which bypasses file system access controls and is used for disk inspection, anti-VM checks and privilege checks.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Program crash 2 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
- Kills process with taskkill 1 IoCs
- Runs ping.exe 1 TTPs 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 5 IoCs
- Suspicious use of SendNotifyMessage 5 IoCs
- Suspicious use of WriteProcessMemory 4 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
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1420 -s 5002⤵
- Program crash
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1420 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Trojan.Win32.Generic.exe" & start C:\Users\Admin\AppData\Local\qsmrasx.exe -f2⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /pid 14203⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\PING.EXEping -n 3 127.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
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C:\Users\Admin\AppData\Local\qsmrasx.exeC:\Users\Admin\AppData\Local\qsmrasx.exe -f3⤵
- Executes dropped EXE
- Loads dropped DLL
- Direct Volume Access: Opens a physical disk for reading
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3700 -s 5124⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1420 -ip 14201⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3700 -ip 37001⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
qsmrasx.exe
memory/1420-0-0x0000000000680000-0x0000000000683000-memory.dmp
memory/1420-2-0x0000000000690000-0x0000000000691000-memory.dmp
memory/1420-1-0x0000000000670000-0x0000000000672000-memory.dmp
memory/1420-4-0x0000000001000000-0x00000000010A9000-memory.dmp
memory/3700-14-0x0000000000440000-0x0000000000442000-memory.dmp
memory/3700-22-0x0000000001000000-0x00000000010A9000-memory.dmp
memory/3700-11-0x0000000001000000-0x00000000010A9000-memory.dmp
memory/3700-9-0x0000000000540000-0x0000000000541000-memory.dmp
memory/3700-16-0x0000000001000000-0x00000000010A9000-memory.dmp
memory/3700-18-0x0000000001000000-0x00000000010A9000-memory.dmp
memory/3700-20-0x0000000001000000-0x00000000010A9000-memory.dmp
memory/3700-8-0x0000000000440000-0x0000000000442000-memory.dmp
memory/3700-24-0x0000000001000000-0x00000000010A9000-memory.dmp
memory/3700-26-0x0000000001000000-0x00000000010A9000-memory.dmp
memory/3700-28-0x0000000001000000-0x00000000010A9000-memory.dmp
memory/3700-30-0x0000000001000000-0x00000000010A9000-memory.dmp
memory/3700-32-0x0000000001000000-0x00000000010A9000-memory.dmp
memory/3700-40-0x0000000001000000-0x00000000010A9000-memory.dmp