Analysis
- max time kernel
147s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
22/06/2024, 14:00
General
- Target 0280d0a6dc34eaed55a7f814aeaa8eba_JaffaCakes118.exe
- Size 108KB
- Sample240622-rbe1lavdnp
- SHA256 b245bb81c1a870fd5846cbdd8afbc3e660a5af0fc09b233d537c67186e9bb409
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 16 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Deletes itself 1 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 4 IoCs
- UPX packed file 18 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\0280d0a6dc34eaed55a7f814aeaa8eba_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\0280d0a6dc34eaed55a7f814aeaa8eba_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" \melt "C:\Users\Admin\AppData\Local\Temp\0280d0a6dc34eaed55a7f814aeaa8eba_JaffaCakes118.exe"2⤵
- UAC bypass
- Deletes itself
- 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/3028-12-0x0000000000400000-0x0000000000450000-memory.dmp
memory/3028-10-0x0000000000A20000-0x0000000000A21000-memory.dmp
memory/3028-0-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4996-31-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4996-38-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4996-27-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4996-30-0x0000000002F90000-0x0000000002F91000-memory.dmp
memory/4996-29-0x00000000030E0000-0x00000000030EE000-memory.dmp
memory/4996-28-0x00000000007B0000-0x00000000007B8000-memory.dmp
memory/4996-20-0x00000000007A0000-0x00000000007A1000-memory.dmp
memory/4996-32-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4996-35-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4996-24-0x00000000030E0000-0x00000000030EE000-memory.dmp
memory/4996-41-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4996-44-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4996-47-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4996-50-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4996-53-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4996-56-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4996-59-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4996-62-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4996-65-0x0000000000400000-0x0000000000450000-memory.dmp
memory/4996-68-0x0000000000400000-0x0000000000450000-memory.dmp