Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
20/06/2024, 19:18
General
- Target 09064c3bbdf291a2f85c1a049d8bd9df_JaffaCakes118.exe
- Size 572KB
- Sample240620-xzyqhatcnd
- SHA256 da42c9b97c23142f2d08d9d042995a69a687c2d18019d0c21c53ed683f618f10
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 4 IoCs
- 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 4 IoCs
- UPX packed file 4 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
- 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 SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 3 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\09064c3bbdf291a2f85c1a049d8bd9df_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\09064c3bbdf291a2f85c1a049d8bd9df_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe"2⤵
- 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/1004-0-0x0000000000400000-0x0000000000491000-memory.dmp
memory/1004-1-0x0000000000A70000-0x0000000000A71000-memory.dmp
memory/1004-11-0x0000000000400000-0x0000000000491000-memory.dmp
memory/5112-19-0x0000000000940000-0x0000000000941000-memory.dmp
memory/5112-23-0x0000000002930000-0x000000000293E000-memory.dmp
memory/5112-26-0x00000000027E0000-0x00000000027E1000-memory.dmp
memory/5112-27-0x0000000000950000-0x0000000000958000-memory.dmp
memory/5112-28-0x0000000002930000-0x000000000293E000-memory.dmp
memory/5112-29-0x0000000000400000-0x0000000000491000-memory.dmp