Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
30/06/2024, 00:27
General
- Target 2024-06-30_7a4fdbb13c66da86c2308f753d70ecf0_cryptolocker.exe
- Size 78KB
- Sample240630-ar3m6atfkn
- SHA256 af9cb155fde17b6540e2f75c6db9aa5f77ad874767e2ea9f95e54c6330f09925
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Detection of Cryptolocker Samples 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\2024-06-30_7a4fdbb13c66da86c2308f753d70ecf0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-30_7a4fdbb13c66da86c2308f753d70ecf0_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/576-17-0x0000000000650000-0x0000000000656000-memory.dmp
memory/576-23-0x0000000000630000-0x0000000000636000-memory.dmp
memory/2852-0-0x00000000021D0000-0x00000000021D6000-memory.dmp
memory/2852-1-0x0000000002070000-0x0000000002076000-memory.dmp
memory/2852-8-0x00000000021D0000-0x00000000021D6000-memory.dmp