Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
02/06/2024, 23:02
General
- Target 2024-06-02_05d75f3393eb38a25e23c3da8d7d2999_cryptolocker.exe
- Size 35KB
- Sample240602-2z33fabd57
- SHA256 d789c8fbbf5341c38f09e357ab28140265e89cfd774ea802eb81ad91eae929bd
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Checks computer location settings 2 TTPs 2 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_05d75f3393eb38a25e23c3da8d7d2999_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-02_05d75f3393eb38a25e23c3da8d7d2999_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⤵
- Checks computer location settings
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
pissa.exe
pissec.exe
memory/216-17-0x00000000020C0000-0x00000000020C6000-memory.dmp
memory/216-23-0x00000000006F0000-0x00000000006F6000-memory.dmp
memory/4892-0-0x0000000002160000-0x0000000002166000-memory.dmp
memory/4892-1-0x0000000003150000-0x0000000003156000-memory.dmp
memory/4892-8-0x0000000002160000-0x0000000002166000-memory.dmp