Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
25/01/2024, 17:27
General
- Target 2024-01-25_450601f8359a2cee2c55c38f7cc23e7f_cryptolocker.exe
- Size 50KB
- Sample240125-v1gr9sbfc5
- SHA256 1fe8745e4faedfd8b0b0fd33183ab826c0ff94b2b44e937f3c2d883fb39bb028
Score
10/10
Malware Config
Signatures
- Kinsing
Kinsing is a loader written in Golang.
- Detection of CryptoLocker Variants 4 IoCs
- Detection of Cryptolocker Samples 4 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_450601f8359a2cee2c55c38f7cc23e7f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-25_450601f8359a2cee2c55c38f7cc23e7f_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/2652-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/2652-1-0x00000000021A0000-0x00000000021A6000-memory.dmp
memory/2652-2-0x00000000021A0000-0x00000000021A6000-memory.dmp
memory/2652-3-0x00000000021C0000-0x00000000021C6000-memory.dmp
memory/2652-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4696-17-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4696-22-0x0000000000670000-0x0000000000676000-memory.dmp
memory/4696-20-0x00000000006E0000-0x00000000006E6000-memory.dmp