Analysis
- max time kernel
142s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
02/06/2024, 10:47
General
- Target 2024-06-02_1778326102355ca94846f4a70fcaeec6_cryptolocker.exe
- Size 45KB
- Sample240602-mv2lgsbf35
- SHA256 351c292da1c0fdb5bfb5b00ce5c5d78dc2d9f3895c2297244f96b81f75450cbd
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Detection of Cryptolocker Samples 1 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\2024-06-02_1778326102355ca94846f4a70fcaeec6_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-02_1778326102355ca94846f4a70fcaeec6_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 --no-appcompat-clear --mojo-platform-channel-handle=1416 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
asih.exe
memory/4504-0-0x00000000021C0000-0x00000000021C6000-memory.dmp
memory/4504-1-0x00000000021C0000-0x00000000021C6000-memory.dmp
memory/4504-2-0x00000000020E0000-0x00000000020E6000-memory.dmp
memory/5024-17-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/5024-18-0x00000000004F0000-0x00000000004F6000-memory.dmp