Analysis
- max time kernel
153s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
07/04/2024, 04:40
General
- Target e4145198cc3116c674d58a8b211eeead_JaffaCakes118.exe
- Size 654KB
- Sample240407-fa11wsdc4t
- SHA256 fc910790f07561333855fba1520c2f622be8b436cfecb8ca5a710b5bef3acb97
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
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 4 IoCs
- UPX packed file 5 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 3 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 3 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 23 IoCs
- System policy modification 1 TTPs 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e4145198cc3116c674d58a8b211eeead_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e4145198cc3116c674d58a8b211eeead_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\e4145198cc3116c674d58a8b211eeead_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e4145198cc3116c674d58a8b211eeead_JaffaCakes118.exe"2⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe"4⤵
- 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
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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/1636-54-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1636-41-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1636-78-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1636-75-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1636-72-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1636-69-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1636-66-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1636-63-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1636-24-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1636-25-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1636-26-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1636-60-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1636-33-0x0000000000A30000-0x0000000000A31000-memory.dmp
memory/1636-57-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1636-37-0x00000000033D0000-0x00000000033DE000-memory.dmp
memory/1636-39-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1636-51-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1636-43-0x00000000033D0000-0x00000000033DE000-memory.dmp
memory/1636-40-0x0000000003280000-0x0000000003281000-memory.dmp
memory/1636-42-0x0000000000A40000-0x0000000000A48000-memory.dmp
memory/1636-44-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1636-45-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1636-48-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1932-22-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/1932-19-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/3892-3-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/3892-0-0x0000000000400000-0x00000000004E6000-memory.dmp
memory/4492-1-0x0000000000400000-0x000000000044B000-memory.dmp
memory/4492-2-0x0000000000400000-0x000000000044B000-memory.dmp
memory/4492-18-0x0000000000400000-0x000000000044B000-memory.dmp
memory/4492-4-0x0000000000400000-0x000000000044B000-memory.dmp
memory/4492-6-0x0000000000900000-0x0000000000901000-memory.dmp
memory/4492-5-0x0000000000400000-0x000000000044B000-memory.dmp