Analysis
- max time kernel
150s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
25/01/2024, 17:42
General
- Target 2024-01-25_13f5afe8395e6a1d9607764e2aa45107_cryptolocker.exe
- Size 37KB
- Sample240125-wae2eschaq
- SHA256 b0accfba01bbda2dc9133a92709520cf6c010c1f85a31acf7a51d335a3ec9873
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_13f5afe8395e6a1d9607764e2aa45107_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-25_13f5afe8395e6a1d9607764e2aa45107_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\retln.exe"C:\Users\Admin\AppData\Local\Temp\retln.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
retln.exe
memory/2172-21-0x00000000005C0000-0x00000000005C6000-memory.dmp
memory/2956-0-0x00000000007C0000-0x00000000007C6000-memory.dmp
memory/2956-1-0x00000000007C0000-0x00000000007C6000-memory.dmp
memory/2956-2-0x0000000000400000-0x0000000000406000-memory.dmp