Analysis
- max time kernel
150s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
11/04/2024, 12:31
General
- Target ed6d925b27492c198219cbee0a00759e_JaffaCakes118.exe
- Size 622KB
- Sample240411-pp4j1aef9v
- SHA256 c09879e7b5e7df93d422fb02dda40228933f69c51faf0d447fe7fe75f3188186
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 1 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 3 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- 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 5 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 29 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\ed6d925b27492c198219cbee0a00759e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ed6d925b27492c198219cbee0a00759e_JaffaCakes118.exe"1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ed6d925b27492c198219cbee0a00759e_JaffaCakes118.exe2⤵
- 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 NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\mstwain32.exe4⤵
- 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
- System policy modification
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4424 --field-trial-handle=2268,i,8796662530135712346,11409037572378858775,262144 --variations-seed-version /prefetch:81⤵
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
ntdtcstp.dll
memory/1148-32-0x0000000000400000-0x00000000005DD000-memory.dmp
memory/1148-27-0x0000000000400000-0x00000000005DD000-memory.dmp
memory/1148-24-0x0000000000400000-0x00000000005DD000-memory.dmp
memory/1368-47-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1368-41-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1368-55-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1368-54-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1368-53-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1368-52-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1368-51-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1368-33-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1368-34-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1368-35-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1368-50-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1368-39-0x00000000005E0000-0x00000000005E1000-memory.dmp
memory/1368-40-0x0000000002370000-0x0000000002371000-memory.dmp
memory/1368-49-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1368-42-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1368-43-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1368-44-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1368-45-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1368-46-0x0000000000400000-0x000000000044B000-memory.dmp
memory/1368-48-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2444-0-0x0000000000400000-0x00000000005DD000-memory.dmp
memory/2444-3-0x0000000000400000-0x00000000005DD000-memory.dmp
memory/2444-7-0x0000000000400000-0x00000000005DD000-memory.dmp
memory/2548-9-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2548-5-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2548-6-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2548-23-0x0000000000400000-0x000000000044B000-memory.dmp
memory/2548-8-0x0000000000400000-0x000000000044B000-memory.dmp