Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
13/06/2024, 03:23
General
- Target 2024-06-13_088c813a9e7e23de2397100e15dfc07b_cryptolocker.exe
- Size 35KB
- Sample240613-dxk7vasfjb
- SHA256 7a38f22482a796d0592e8ecd2dd85848ddd8a461abf8fa8322182ec45660e56d
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 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\2024-06-13_088c813a9e7e23de2397100e15dfc07b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-13_088c813a9e7e23de2397100e15dfc07b_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\pissa.exe"C:\Users\Admin\AppData\Local\Temp\pissa.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
pissa.exe
memory/3744-17-0x0000000003010000-0x0000000003016000-memory.dmp
memory/3744-23-0x0000000002120000-0x0000000002126000-memory.dmp
memory/4716-0-0x0000000000640000-0x0000000000646000-memory.dmp
memory/4716-1-0x0000000002190000-0x0000000002196000-memory.dmp
memory/4716-8-0x0000000000640000-0x0000000000646000-memory.dmp