Analysis
- max time kernel
150s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
13/06/2024, 04:27
General
- Target 2024-06-13_540b3f9f83ccc7740281c252e8dd0ea0_cryptolocker.exe
- Size 45KB
- Sample240613-e24qesxgkm
- SHA256 08ed544cf3a059544e06db5d0b5b68b5bef3713e5504204422253d59fa9d9d46
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\2024-06-13_540b3f9f83ccc7740281c252e8dd0ea0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_540b3f9f83ccc7740281c252e8dd0ea0_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
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
hasfj.exe
memory/1448-18-0x0000000008000000-0x000000000800D000-memory.dmp
memory/1448-21-0x0000000003150000-0x0000000003156000-memory.dmp
memory/1448-20-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/1448-27-0x0000000008000000-0x000000000800D000-memory.dmp
memory/4192-0-0x0000000008000000-0x000000000800D000-memory.dmp
memory/4192-1-0x0000000002350000-0x0000000002356000-memory.dmp
memory/4192-2-0x0000000002350000-0x0000000002356000-memory.dmp
memory/4192-3-0x0000000002380000-0x0000000002386000-memory.dmp
memory/4192-17-0x0000000008000000-0x000000000800D000-memory.dmp