Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
09/06/2024, 07:32
General
- Target 2024-06-09_9aaa67ee5a7c9757141baddcd83803f7_cryptolocker.exe
- Size 33KB
- Sample240609-jc2a8aff4w
- SHA256 9ec80b8f4f6bc7e10bfcc0888d6bb98c8d700062d0adf86093d246fd72629ed6
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 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\2024-06-09_9aaa67ee5a7c9757141baddcd83803f7_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-09_9aaa67ee5a7c9757141baddcd83803f7_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⤵
- 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 --field-trial-handle=3144,i,1697479186275492802,18058102846092193784,262144 --variations-seed-version --mojo-platform-channel-handle=4292 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
demka.exe
memory/1072-0-0x0000000002110000-0x0000000002116000-memory.dmp
memory/1072-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/1072-8-0x0000000002110000-0x0000000002116000-memory.dmp
memory/5020-25-0x0000000002EA0000-0x0000000002EA6000-memory.dmp