Analysis
- max time kernel
148s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
07/04/2024, 18:16
General
- Target e58e2d2d2fab88e1b2f8c88aca3118b9_JaffaCakes118.exe
- Size 1.0MB
- Sample240407-wwe9babb22
- SHA256 15ec190cd1510696b56bc112c84902c862f052d35d5eff70c9c6dec9ce99816e
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 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
- Loads dropped DLL 4 IoCs
- Themida packer 3 IoCs
Detects Themida, an advanced Windows software protection system.
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 3 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Drops file in Windows directory 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of SetWindowsHookEx 3 IoCs
- Suspicious use of WriteProcessMemory 6 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\e58e2d2d2fab88e1b2f8c88aca3118b9_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e58e2d2d2fab88e1b2f8c88aca3118b9_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\12.exe"C:\Users\Admin\AppData\Local\Temp\12.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\msnmsgrs.exe"C:\Windows\msnmsgrs.exe" \melt "C:\Users\Admin\AppData\Local\Temp\12.exe"3⤵
- 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
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Virtualization/Sandbox Evasion
1Replay Monitor
Loading Replay Monitor...
Downloads
12.exe
cmsetac.dll
ntdtcstp.dll
memory/2160-39-0x0000000000400000-0x000000000044C000-memory.dmp
memory/2160-29-0x0000000000590000-0x0000000000591000-memory.dmp
memory/2392-13-0x0000000004C40000-0x0000000004C42000-memory.dmp
memory/2392-2-0x0000000000400000-0x000000000057D000-memory.dmp
memory/2392-10-0x0000000004BA0000-0x0000000004BA1000-memory.dmp
memory/2392-11-0x0000000004C70000-0x0000000004C71000-memory.dmp
memory/2392-12-0x0000000004C60000-0x0000000004C61000-memory.dmp
memory/2392-0-0x0000000000400000-0x000000000057D000-memory.dmp
memory/2392-14-0x0000000004C50000-0x0000000004C51000-memory.dmp
memory/2392-15-0x0000000004C00000-0x0000000004C01000-memory.dmp
memory/2392-16-0x0000000004BD0000-0x0000000004BD1000-memory.dmp
memory/2392-18-0x0000000004C10000-0x0000000004C11000-memory.dmp
memory/2392-17-0x0000000004C20000-0x0000000004C22000-memory.dmp
memory/2392-5-0x0000000004BB0000-0x0000000004BB1000-memory.dmp
memory/2392-27-0x0000000004BF0000-0x0000000004BF1000-memory.dmp
memory/2392-28-0x0000000000400000-0x000000000057D000-memory.dmp
memory/2392-8-0x0000000004C90000-0x0000000004C91000-memory.dmp
memory/2392-4-0x0000000004BC0000-0x0000000004BC1000-memory.dmp
memory/2392-7-0x0000000004C80000-0x0000000004C81000-memory.dmp
memory/2392-9-0x0000000004B90000-0x0000000004B91000-memory.dmp
memory/4548-47-0x0000000000590000-0x0000000000591000-memory.dmp
memory/4548-67-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4548-54-0x0000000002240000-0x0000000002241000-memory.dmp
memory/4548-55-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4548-56-0x00000000005A0000-0x00000000005A8000-memory.dmp
memory/4548-57-0x0000000002250000-0x000000000225E000-memory.dmp
memory/4548-58-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4548-61-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4548-64-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4548-51-0x0000000002250000-0x000000000225E000-memory.dmp
memory/4548-70-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4548-73-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4548-76-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4548-79-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4548-82-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4548-85-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4548-88-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4548-91-0x0000000000400000-0x000000000044C000-memory.dmp
memory/4548-94-0x0000000000400000-0x000000000044C000-memory.dmp