Analysis
- max time kernel
107s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
10/06/2024, 06:22
General
- Target 2024-06-10_02d260129a6201c9184f9bc8bb743134_cryptolocker.exe
- Size 44KB
- Sample240610-g4whyadg85
- SHA256 ddb41fa1e503edd1b838fa4a06837388777ad6e118e0657d8bebc8e338f094e4
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\2024-06-10_02d260129a6201c9184f9bc8bb743134_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-10_02d260129a6201c9184f9bc8bb743134_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/636-18-0x0000000008000000-0x000000000800D000-memory.dmp
memory/636-26-0x0000000002210000-0x0000000002216000-memory.dmp
memory/636-20-0x0000000002240000-0x0000000002246000-memory.dmp
memory/636-27-0x0000000008000000-0x000000000800D000-memory.dmp
memory/932-0-0x0000000008000000-0x000000000800D000-memory.dmp
memory/932-1-0x0000000002350000-0x0000000002356000-memory.dmp
memory/932-9-0x0000000002350000-0x0000000002356000-memory.dmp
memory/932-17-0x0000000008000000-0x000000000800D000-memory.dmp
memory/932-2-0x0000000003150000-0x0000000003156000-memory.dmp