Analysis
- max time kernel
141s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
29/09/2024, 02:11
General
- Target fd98de19a4d3ad07f40043fb3afffd4c_JaffaCakes118.exe
- Size 110KB
- Sample240929-cmhtaswckp
- SHA256 488d24029d11d08b9c4d190c776f79a73df3640617316abcc40426e25b8e3f90
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.
- 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
- UPX packed file 18 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Windows directory 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
- System policy modification 1 TTPs 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\fd98de19a4d3ad07f40043fb3afffd4c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fd98de19a4d3ad07f40043fb3afffd4c_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe"2⤵
- UAC bypass
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
-
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
3Replay Monitor
Loading Replay Monitor...
Downloads
cmsetac.dll
mstwain32.exe
ntdtcstp.dll
memory/1180-9-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1180-0-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1536-29-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1536-35-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1536-24-0x0000000002F90000-0x0000000002F91000-memory.dmp
memory/1536-25-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1536-26-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1536-27-0x0000000000840000-0x0000000000848000-memory.dmp
memory/1536-28-0x00000000030E0000-0x00000000030EE000-memory.dmp
memory/1536-17-0x00000000005B0000-0x00000000005B1000-memory.dmp
memory/1536-32-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1536-21-0x00000000030E0000-0x00000000030EE000-memory.dmp
memory/1536-38-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1536-41-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1536-44-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1536-47-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1536-50-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1536-53-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1536-56-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1536-59-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1536-62-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1536-65-0x0000000000400000-0x000000000044F000-memory.dmp