Analysis
- max time kernel
146s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240704-en - resource tags
- submitted
05/07/2024, 08:12
General
- Target 26c7ebd54e7c35aa58141d231d9ca525_JaffaCakes118.exe
- Size 467KB
- Sample240705-j3vlcsxfma
- SHA256 556cceb41ed9db60b08137073c8dc199be753d7a705be11f939c38651d21391f
Malware Config
Signatures
- ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
- UAC bypass 3 TTPs 1 IoCs
- ModiLoader Second Stage 7 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 4 IoCs
- UPX packed file 11 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 3 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Drops file in Windows directory 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- System policy modification 1 TTPs 1 IoCs
- Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Users\Admin\AppData\Local\Temp\26c7ebd54e7c35aa58141d231d9ca525_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\26c7ebd54e7c35aa58141d231d9ca525_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\26c7ebd54e7c35aa58141d231d9ca525_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\26c7ebd54e7c35aa58141d231d9ca525_JaffaCakes118.exe2⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\26c7ebd54e7c35aa58141d231d9ca525_JaffaCakes118.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\mstwain32.exeC:\Windows\mstwain32.exe4⤵
- UAC bypass
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
-
-
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
cmsetac.dll
mstwain32.exe
ntdtcstp.dll
memory/392-20-0x0000000020000000-0x000000002005EE00-memory.dmp
memory/392-29-0x0000000020000000-0x000000002005EE00-memory.dmp
memory/392-21-0x00000000004C0000-0x00000000004C1000-memory.dmp
memory/848-3-0x0000000002290000-0x0000000002291000-memory.dmp
memory/848-6-0x0000000020000000-0x000000002005EE00-memory.dmp
memory/848-0-0x0000000020000000-0x000000002005EE00-memory.dmp
memory/3452-30-0x0000000000400000-0x0000000000450000-memory.dmp
memory/3452-25-0x0000000000400000-0x0000000000450000-memory.dmp
memory/3452-46-0x0000000000400000-0x0000000000450000-memory.dmp
memory/3452-22-0x0000000000400000-0x0000000000450000-memory.dmp
memory/3452-26-0x0000000000400000-0x0000000000450000-memory.dmp
memory/3452-43-0x0000000003220000-0x000000000322E000-memory.dmp
memory/3452-27-0x0000000000400000-0x0000000000450000-memory.dmp
memory/3452-42-0x00000000005F0000-0x00000000005F8000-memory.dmp
memory/3452-40-0x0000000003220000-0x000000000322E000-memory.dmp
memory/3940-5-0x0000000000400000-0x0000000000450000-memory.dmp
memory/3940-1-0x0000000000400000-0x0000000000450000-memory.dmp
memory/3940-7-0x0000000000400000-0x0000000000450000-memory.dmp
memory/3940-19-0x0000000000400000-0x0000000000450000-memory.dmp
memory/3940-8-0x0000000000400000-0x0000000000450000-memory.dmp
memory/3940-9-0x0000000000A20000-0x0000000000A21000-memory.dmp