Analysis
- max time kernel
142s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
10/06/2024, 05:50
General
- Target 2024-06-10_6f85c401218bc41591e7b73defe2e0d2_cryptolocker.exe
- Size 77KB
- Sample240610-gjsljsdf23
- SHA256 2790c288eda83005c68c8fc7b1c4791e929d6044fa2b7b280b2f3cee1587d6b5
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\2024-06-10_6f85c401218bc41591e7b73defe2e0d2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-10_6f85c401218bc41591e7b73defe2e0d2_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=3700 --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
asih.exe
memory/1980-17-0x0000000000660000-0x0000000000666000-memory.dmp
memory/1980-23-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/2640-0-0x0000000002280000-0x0000000002286000-memory.dmp
memory/2640-1-0x0000000002280000-0x0000000002286000-memory.dmp
memory/2640-2-0x0000000002180000-0x0000000002186000-memory.dmp