Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
02/06/2024, 23:44
General
- Target 2024-06-02_086c2831349dc7480a591a0bee91209c_cryptolocker.exe
- Size 43KB
- Sample240602-3rfgvabe3s
- SHA256 d6f8f2a254dcbb32b272c287958adc698028ed275f496a6da2941ae4260771ba
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 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\2024-06-02_086c2831349dc7480a591a0bee91209c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-02_086c2831349dc7480a591a0bee91209c_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/1264-0-0x0000000008000000-0x000000000800D000-memory.dmp
memory/1264-1-0x0000000002250000-0x0000000002256000-memory.dmp
memory/1264-2-0x0000000003150000-0x0000000003156000-memory.dmp
memory/1264-9-0x0000000002250000-0x0000000002256000-memory.dmp
memory/1264-17-0x0000000008000000-0x000000000800D000-memory.dmp
memory/2160-19-0x0000000003010000-0x0000000003016000-memory.dmp
memory/2160-25-0x0000000002210000-0x0000000002216000-memory.dmp
memory/2160-26-0x0000000008000000-0x000000000800D000-memory.dmp