Analysis
- max time kernel
147s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
07/04/2024, 15:22
General
- Target e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe
- Size 270KB
- Sample240407-ssb6psff76
- SHA256 ca465812bfb612a6f02334a347137fa94c78ba22816bb985073599a7a7335450
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
- 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\e53d28aa39fe85683d10a1f2ea531562_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e53d28aa39fe85683d10a1f2ea531562_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\e53d28aa39fe85683d10a1f2ea531562_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/1496-10-0x0000000000720000-0x0000000000721000-memory.dmp
memory/1496-9-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-32-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-38-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-25-0x0000000002F90000-0x0000000002F91000-memory.dmp
memory/1920-26-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-27-0x00000000005F0000-0x00000000005F8000-memory.dmp
memory/1920-28-0x00000000030E0000-0x00000000030EE000-memory.dmp
memory/1920-29-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-18-0x00000000005E0000-0x00000000005E1000-memory.dmp
memory/1920-35-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-22-0x00000000030E0000-0x00000000030EE000-memory.dmp
memory/1920-41-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-44-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-47-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-50-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-53-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-56-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-59-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-62-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1920-65-0x0000000000400000-0x000000000044B000-memory.dmp