Analysis
- max time kernel
148s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
25/01/2024, 17:32
General
- Target 2024-01-25_83815ae6e673da0594adb8baa378e476_cryptolocker.exe
- Size 38KB
- Sample240125-v38zjacfar
- SHA256 64b60550791a0b5e64d7b528aed4c05dcd9ea0641197c2bd31f49dce128cd0e2
Score
10/10
Malware Config
Signatures
- Kinsing
Kinsing is a loader written in Golang.
- 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\2024-01-25_83815ae6e673da0594adb8baa378e476_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-25_83815ae6e673da0594adb8baa378e476_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
lossy.exe
memory/932-0-0x00000000005E0000-0x00000000005E6000-memory.dmp
memory/932-1-0x00000000005E0000-0x00000000005E6000-memory.dmp
memory/932-2-0x0000000002230000-0x0000000002236000-memory.dmp
memory/1368-17-0x0000000002040000-0x0000000002046000-memory.dmp
memory/1368-19-0x00000000021D0000-0x00000000021D6000-memory.dmp