Analysis
- max time kernel
148s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
13/06/2024, 14:26
General
- Target 2024-06-13_92240e2cab6c82031c68369af4277196_cryptolocker.exe
- Size 47KB
- Sample240613-rr9j5ssfkh
- SHA256 88d7e3e463ec4abe853cbdc2edb16283abbb2cfac7e4b67f0270ec756be330c4
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 IoCs
- Detection of Cryptolocker Samples 3 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-13_92240e2cab6c82031c68369af4277196_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_92240e2cab6c82031c68369af4277196_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
-
-
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 --field-trial-handle=1300,i,17325488789339133686,9539570259395798500,262144 --variations-seed-version --mojo-platform-channel-handle=4188 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
asih.exe
memory/2980-19-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/2980-25-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/3480-1-0x00000000021C0000-0x00000000021C6000-memory.dmp
memory/3480-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/3480-2-0x0000000002060000-0x0000000002066000-memory.dmp
memory/3480-9-0x00000000021C0000-0x00000000021C6000-memory.dmp
memory/3480-17-0x0000000000500000-0x000000000050F000-memory.dmp