Analysis
- max time kernel
148s - max time network
149s - platform
windows7_x64 - resource
win7-20240508-en - resource tags
- submitted
20/06/2024, 22:23
General
- Target 09c85491ac1f04ddd9af3153b1b0c176_JaffaCakes118.exe
- Size 1.3MB
- Sample240620-2a3elszena
- SHA256 e7a90472880c7dc6596332555888e72ebc7cf41e21917a47d20c4bec398e7b84
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 23 IoCs
- Executes dropped EXE 2 IoCs
- UPX packed file 29 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
- AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 2 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 FindShellTrayWindow 7 IoCs
- Suspicious use of SendNotifyMessage 6 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 18 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\09c85491ac1f04ddd9af3153b1b0c176_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\09c85491ac1f04ddd9af3153b1b0c176_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\09c85491ac1f04ddd9af3153b1b0c176_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\09c85491ac1f04ddd9af3153b1b0c176_JaffaCakes118.exe"2⤵
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\09c85491ac1f04ddd9af3153b1b0c176_JaffaCakes118.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe"4⤵
- UAC bypass
- 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
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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/324-10-0x0000000000400000-0x0000000000450000-memory.dmp
memory/324-6-0x0000000000400000-0x0000000000450000-memory.dmp
memory/324-3-0x0000000000400000-0x0000000000450000-memory.dmp
memory/324-8-0x0000000000400000-0x0000000000450000-memory.dmp
memory/324-9-0x0000000000400000-0x0000000000450000-memory.dmp
memory/324-0-0x0000000000400000-0x0000000000450000-memory.dmp
memory/324-12-0x0000000000400000-0x0000000000450000-memory.dmp
memory/324-11-0x0000000000400000-0x0000000000450000-memory.dmp
memory/324-13-0x0000000000400000-0x0000000000450000-memory.dmp
memory/324-14-0x0000000000400000-0x0000000000450000-memory.dmp
memory/324-4-0x0000000000400000-0x0000000000450000-memory.dmp
memory/324-24-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1948-37-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1948-55-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1948-34-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1948-36-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1948-41-0x0000000000280000-0x000000000028E000-memory.dmp
memory/1948-43-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1948-45-0x0000000000280000-0x000000000028E000-memory.dmp
memory/1948-44-0x0000000000220000-0x0000000000228000-memory.dmp
memory/1948-46-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1948-49-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1948-52-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1948-35-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1948-59-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1948-62-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1948-65-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1948-68-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1948-71-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1948-74-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1948-77-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1948-80-0x0000000000400000-0x0000000000450000-memory.dmp
memory/1948-83-0x0000000000400000-0x0000000000450000-memory.dmp