Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
01/06/2024, 18:24
General
- Target 2024-06-01_3b6228add688368e616b6734954e7645_cryptolocker.exe
- Size 74KB
- Sample240601-w2j5fsbf95
- SHA256 1ca0f28cc218af146d1a03864cdf8dab79a9f57d67ecbd9ff8587c97ec36a108
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\2024-06-01_3b6228add688368e616b6734954e7645_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-01_3b6228add688368e616b6734954e7645_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
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
asih.exe
memory/1824-0-0x0000000000620000-0x0000000000626000-memory.dmp
memory/1824-1-0x0000000000620000-0x0000000000626000-memory.dmp
memory/1824-2-0x0000000000650000-0x0000000000656000-memory.dmp
memory/2796-17-0x0000000000660000-0x0000000000666000-memory.dmp
memory/2796-23-0x00000000004E0000-0x00000000004E6000-memory.dmp