Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
09/06/2024, 07:29
General
- Target 2024-06-09_7ae43152c6bd08fa61cae6363d5ca676_cryptolocker.exe
- Size 43KB
- Sample240609-jbarwagc96
- SHA256 7d2432061fb4dee37ef72d8558aced3e2de5a93a76031efa0823204de506252c
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 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_7ae43152c6bd08fa61cae6363d5ca676_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-09_7ae43152c6bd08fa61cae6363d5ca676_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.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=4244,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=3900 /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
hasfj.exe
memory/1296-16-0x0000000008000000-0x000000000800D000-memory.dmp
memory/1296-20-0x00000000022C0000-0x00000000022C6000-memory.dmp
memory/1296-26-0x0000000002210000-0x0000000002216000-memory.dmp
memory/1296-27-0x0000000008000000-0x000000000800D000-memory.dmp
memory/2196-0-0x0000000008000000-0x000000000800D000-memory.dmp
memory/2196-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/2196-2-0x0000000003150000-0x0000000003156000-memory.dmp
memory/2196-9-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/2196-17-0x0000000008000000-0x000000000800D000-memory.dmp