Analysis
- max time kernel
142s - max time network
163s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
25/04/2024, 03:24
General
- Target 2024-04-25_0ab64549917dea515233bae1e370f3cb_cryptolocker.exe
- Size 34KB
- Sample240425-dyfzhsed44
- SHA256 d4374168cc67e9e8b9e5a06826aaedc686b95568a6ec963f7793aec57923d36f
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\2024-04-25_0ab64549917dea515233bae1e370f3cb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-25_0ab64549917dea515233bae1e370f3cb_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.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=1028 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
misid.exe
memory/2480-17-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/2480-18-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/4000-0-0x00000000005F0000-0x00000000005F6000-memory.dmp
memory/4000-1-0x00000000005F0000-0x00000000005F6000-memory.dmp
memory/4000-2-0x0000000000610000-0x0000000000616000-memory.dmp