Analysis
- max time kernel
140s - max time network
161s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
02/06/2024, 23:06
General
- Target 2024-06-02_43fc6b84a8d90a3e17a633a1ca52014b_cryptolocker.exe
- Size 34KB
- Sample240602-23frbaad4x
- SHA256 2d1f3e74991a86c463dcfab4ee8c50bc85b6283daa34ffcc63d796c1535ebaa8
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Checks computer location settings 2 TTPs 2 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\2024-06-02_43fc6b84a8d90a3e17a633a1ca52014b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-02_43fc6b84a8d90a3e17a633a1ca52014b_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\demka.exe"C:\Users\Admin\AppData\Local\Temp\demka.exe"2⤵
- Checks computer location settings
- 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 --no-appcompat-clear --mojo-platform-channel-handle=3784 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
demka.exe
medkem.exe
memory/3484-0-0x0000000002160000-0x0000000002166000-memory.dmp
memory/3484-1-0x0000000002160000-0x0000000002166000-memory.dmp
memory/3484-2-0x0000000000400000-0x0000000000406000-memory.dmp
memory/4144-26-0x0000000002EA0000-0x0000000002EA6000-memory.dmp