Analysis
- max time kernel
144s - max time network
124s - platform
windows7_x64 - resource
win7-20240611-en - resource tags
- submitted
21/06/2024, 14:35
General
- Target 0c51f0ffaa5f24dc870866bb2e623db5_JaffaCakes118.exe
- Size 270KB
- Sample240621-ryadmatfla
- SHA256 2a66f3124e40f456379a6411e590a4fefe419369b2a72512c3cde208c6557024
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 18 IoCs
- Deletes itself 1 IoCs
- Executes dropped EXE 1 IoCs
- UPX packed file 22 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 4 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\0c51f0ffaa5f24dc870866bb2e623db5_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\0c51f0ffaa5f24dc870866bb2e623db5_JaffaCakes118.exe"1⤵
- 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" \melt "C:\Users\Admin\AppData\Local\Temp\0c51f0ffaa5f24dc870866bb2e623db5_JaffaCakes118.exe"2⤵
- UAC bypass
- Deletes itself
- Executes dropped EXE
- 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
mstwain32.exe
memory/1092-37-0x0000000000400000-0x000000000049F000-memory.dmp
memory/1092-29-0x0000000000400000-0x000000000049F000-memory.dmp
memory/1092-65-0x0000000000400000-0x000000000049F000-memory.dmp
memory/1092-62-0x0000000000400000-0x000000000049F000-memory.dmp
memory/1092-16-0x0000000000400000-0x000000000049F000-memory.dmp
memory/1092-59-0x0000000000400000-0x000000000049F000-memory.dmp
memory/1092-56-0x0000000000400000-0x000000000049F000-memory.dmp
memory/1092-53-0x0000000000400000-0x000000000049F000-memory.dmp
memory/1092-20-0x00000000001D0000-0x00000000001D1000-memory.dmp
memory/1092-21-0x0000000001DE0000-0x0000000001DEE000-memory.dmp
memory/1092-23-0x0000000076A40000-0x0000000076A41000-memory.dmp
memory/1092-24-0x0000000076A30000-0x0000000076B20000-memory.dmp
memory/1092-25-0x0000000000400000-0x000000000049F000-memory.dmp
memory/1092-27-0x0000000001DE0000-0x0000000001DEE000-memory.dmp
memory/1092-50-0x0000000000400000-0x000000000049F000-memory.dmp
memory/1092-47-0x0000000000400000-0x000000000049F000-memory.dmp
memory/1092-44-0x0000000000400000-0x000000000049F000-memory.dmp
memory/1092-32-0x0000000076A30000-0x0000000076B20000-memory.dmp
memory/1092-33-0x0000000076A30000-0x0000000076B20000-memory.dmp
memory/1092-34-0x0000000000400000-0x000000000049F000-memory.dmp
memory/1092-28-0x0000000000400000-0x000000000049F000-memory.dmp
memory/1092-41-0x0000000000400000-0x000000000049F000-memory.dmp
memory/1092-26-0x00000000001E0000-0x00000000001E8000-memory.dmp
memory/2392-0-0x0000000000400000-0x000000000049F000-memory.dmp
memory/2392-2-0x00000000001D0000-0x00000000001D1000-memory.dmp
memory/2392-13-0x0000000003370000-0x000000000337D000-memory.dmp
memory/2392-14-0x0000000003380000-0x000000000341F000-memory.dmp
memory/2392-15-0x0000000000400000-0x000000000049F000-memory.dmp
memory/2392-1-0x0000000000400000-0x000000000049F000-memory.dmp
memory/2392-6-0x0000000003370000-0x0000000003380000-memory.dmp