Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
25/01/2024, 17:35
General
- Target 2024-01-25_b16c8a918fca6c8fed9d088a882caa03_cryptolocker.exe
- Size 36KB
- Sample240125-v6d9bscfhp
- SHA256 23e7e67d8b187e9ff6655784b0adb1af5a43ee629ff962c3ab32b270af690f09
Score
10/10
Malware Config
Signatures
- Kinsing
Kinsing is a loader written in Golang.
- Detection of CryptoLocker Variants 3 IoCs
- Detection of Cryptolocker Samples 3 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_b16c8a918fca6c8fed9d088a882caa03_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b16c8a918fca6c8fed9d088a882caa03_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
asih.exe
memory/1872-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1872-1-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/1872-2-0x00000000004E0000-0x00000000004E6000-memory.dmp
memory/1872-3-0x0000000000660000-0x0000000000666000-memory.dmp
memory/1872-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/4120-19-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/4120-21-0x00000000004D0000-0x00000000004D6000-memory.dmp