Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
25/01/2024, 17:23
General
- Target 2024-01-25_19ef5f2c0b668b9898458c3c18eb1571_cryptolocker.exe
- Size 55KB
- Sample240125-vx9zmscdhj
- SHA256 f4c5c530a31fcd80540778349c53b1487a03ef4a828d5f6a7b9e19b32122f7bb
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_19ef5f2c0b668b9898458c3c18eb1571_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-25_19ef5f2c0b668b9898458c3c18eb1571_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/4308-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4308-1-0x00000000021E0000-0x00000000021E6000-memory.dmp
memory/4308-2-0x00000000021E0000-0x00000000021E6000-memory.dmp
memory/4308-3-0x0000000002040000-0x0000000002046000-memory.dmp
memory/4308-17-0x0000000000500000-0x000000000050F000-memory.dmp
memory/4988-19-0x0000000002100000-0x0000000002106000-memory.dmp
memory/4988-22-0x00000000004E0000-0x00000000004E6000-memory.dmp