Analysis
- max time kernel
150s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20240221-en - resource tags
- submitted
23/02/2024, 03:35
General
- Target 2024-02-23_a1708472745a972093249d936079fe90_cryptolocker.exe
- Size 82KB
- Sample240223-d5dsqsae8z
- SHA256 6e3250a314642a858281dcb8bde82b674608d575e7c8524b2b816ab756b199b9
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\2024-02-23_a1708472745a972093249d936079fe90_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-23_a1708472745a972093249d936079fe90_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/1692-17-0x0000000002060000-0x0000000002066000-memory.dmp
memory/1692-18-0x00000000021D0000-0x00000000021D6000-memory.dmp
memory/3840-0-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/3840-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/3840-2-0x00000000004F0000-0x00000000004F6000-memory.dmp