Analysis
- max time kernel
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
13/10/2026, 23:36
General
- Target jaffacakes118_HEUR.Trojan.Win32.Generic.exe
- Size 103KB
- Sample261013-3lrb6avyet
- SHA256 ac348cd772ff71ac151ae28665c63ad822b17d20fe25aeddae77ad2e2c42064e
Malware Config
Signatures
- Deletes itself 1 TTPs 1 IoCs
- Executes a file named after a Windows system binary 1 TTPs 4 IoCs
The file runs from a user directory while carrying the name of an executable that normally only exists in System32.
- Executes dropped EXE 2 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 12 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
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⤵
- Executes a file named after a Windows system binary
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\SystemProc\lsass.exe"C:\Users\Admin\AppData\Roaming\SystemProc\lsass.exe"2⤵
- Deletes itself
- Executes a file named after a Windows system binary
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Trojan.Win32.Generic.exeC:\Users\Admin\AppData\Local\Temp\jaffacakes118_HEUR.Trojan.Win32.Generic.exe1⤵
- Executes a file named after a Windows system binary
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
-
C:\Users\Admin\AppData\Roaming\SystemProc\lsass.exeC:\Users\Admin\AppData\Roaming\SystemProc\lsass.exe1⤵
- Executes a file named after a Windows system binary
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Indicator Removal
1File Deletion
1Masquerading
1Match Legitimate Name or Location
1Modify Registry
1Replay Monitor
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Downloads
chrome.manifest
timer.xul
install.rdf
lsass.exe
memory/1844-0-0x0000000000A80000-0x0000000000ABC000-memory.dmp
memory/1844-15-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1960-12-0x0000000000400000-0x000000000043C000-memory.dmp
memory/5208-32-0x0000000000400000-0x000000000043C000-memory.dmp
memory/5864-33-0x0000000000400000-0x000000000043C000-memory.dmp