Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
13/10/2026, 22:51
General
- Target jaffacakes118_HEUR.Trojan.Win32.Generic.exe
- Size 31KB
- Sample261013-2s8dksss3k
- SHA256 9a30b40ec88c2293890119298a7209864ce23e68ccc3ed2952bc1fd19add12af
Malware Config
Signatures
- Executes dropped EXE 3 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
- Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
- Drops file in System32 directory 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 6 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 6 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⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
\??\c:\windows\SysWOW64\wuaucldt.exec:\windows\system32\wuaucldt.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
\??\c:\users\admin\wuaucldt.exec:\users\admin\wuaucldt.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe4⤵
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del c:\windows\syswow64\wuaucldt.exe3⤵
- System Location Discovery: System Language Discovery
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del c:\users\admin\appdata\local\temp\JAFFAC~1.EXE2⤵
- System Location Discovery: System Language Discovery
-
-
\??\c:\users\admin\wuaucldt.exec:\users\admin\wuaucldt.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
wuaucldt.exe
memory/436-1-0x0000000009000000-0x0000000009009000-memory.dmp
memory/436-3-0x0000000070000000-0x000000007000B000-memory.dmp
memory/436-2-0x0000000009000000-0x0000000009009000-memory.dmp
memory/436-65-0x0000000000400000-0x0000000000412000-memory.dmp
memory/436-58-0x0000000070000000-0x000000007000B000-memory.dmp
memory/436-0-0x0000000000400000-0x0000000000412000-memory.dmp
memory/2024-17-0x0000000070000000-0x000000007000B000-memory.dmp
memory/2024-18-0x0000000070000000-0x000000007000B000-memory.dmp
memory/3400-60-0x0000000000400000-0x0000000000412000-memory.dmp
memory/3400-59-0x0000000070000000-0x000000007000B000-memory.dmp
memory/3688-26-0x0000000000C80000-0x0000000000C89000-memory.dmp
memory/3688-23-0x0000000000C80000-0x0000000000C89000-memory.dmp
memory/3688-22-0x0000000000C80000-0x0000000000C89000-memory.dmp
memory/3688-21-0x0000000000C80000-0x0000000000C89000-memory.dmp
memory/3688-24-0x0000000000C80000-0x0000000000C89000-memory.dmp
memory/3688-27-0x0000000000C80000-0x0000000000C89000-memory.dmp
memory/3688-20-0x0000000000C80000-0x0000000000C89000-memory.dmp
memory/4784-8-0x0000000000400000-0x0000000000412000-memory.dmp
memory/4784-66-0x0000000000400000-0x0000000000412000-memory.dmp