Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
25/01/2024, 17:25
General
- Target 2024-01-25_2a87e8cb481eb3b5293e8478f89a71bf_cryptolocker.exe
- Size 32KB
- Sample240125-vzbvmacean
- SHA256 223a6ae0d17b633d2beefc9263dfa1cc0b201094531f0973a3e4bda55340a4c9
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_2a87e8cb481eb3b5293e8478f89a71bf_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-25_2a87e8cb481eb3b5293e8478f89a71bf_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
hasfj.exe
memory/1908-0-0x0000000002210000-0x0000000002216000-memory.dmp
memory/1908-1-0x0000000002210000-0x0000000002216000-memory.dmp
memory/1908-2-0x0000000003010000-0x0000000003016000-memory.dmp
memory/3316-19-0x00000000020A0000-0x00000000020A6000-memory.dmp