Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
26/05/2024, 03:41
General
- Target 2024-05-26_6154158204f66df0d73993827459d450_cryptolocker.exe
- Size 97KB
- Sample240526-d8rh1aec86
- SHA256 f41e9ddecdf83477e93ecbf98a11dde1389f97117b568e223c015cfac70f4ae0
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\2024-05-26_6154158204f66df0d73993827459d450_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-26_6154158204f66df0d73993827459d450_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/3128-0-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/3128-1-0x00000000006C0000-0x00000000006C6000-memory.dmp
memory/3128-8-0x00000000006A0000-0x00000000006A6000-memory.dmp
memory/3656-17-0x0000000002070000-0x0000000002076000-memory.dmp
memory/3656-23-0x0000000002050000-0x0000000002056000-memory.dmp