Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
05/08/2026, 17:48
General
- Target 2026-08-05_a45b9bf14fc511b8eaba891c9ed96f3d_cryptolocker_elex.exe
- Size 37KB
- Sample260805-wdevtssemb
- SHA256 44eabdf56205a8f073791e7032e954efdc07e73239de2f42508f85e4290209cf
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 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).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-05_a45b9bf14fc511b8eaba891c9ed96f3d_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-05_a45b9bf14fc511b8eaba891c9ed96f3d_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- 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
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
pissa.exe
pissec.exe
memory/3940-0-0x0000000008004000-0x0000000008005000-memory.dmp
memory/3940-1-0x0000000002E90000-0x0000000002E96000-memory.dmp
memory/3940-2-0x0000000008000000-0x0000000008009000-memory.dmp
memory/3940-3-0x0000000003140000-0x0000000003146000-memory.dmp
memory/4728-17-0x0000000008000000-0x0000000008009000-memory.dmp
memory/4728-19-0x0000000003000000-0x0000000003006000-memory.dmp
memory/4728-25-0x0000000008000000-0x0000000008009000-memory.dmp