Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
18/03/2024, 15:32
General
- Target 2024-03-18_377c22b30cd51096bc8567f04b5fbbd8_cryptolocker.exe
- Size 84KB
- Sample240318-syqlaaca44
- SHA256 5a11a1fd3666f67b963da30463db714e199c59e52a66176eee64ff36a37dffee
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\2024-03-18_377c22b30cd51096bc8567f04b5fbbd8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-18_377c22b30cd51096bc8567f04b5fbbd8_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/228-17-0x0000000002000000-0x0000000002006000-memory.dmp
memory/228-23-0x0000000001FE0000-0x0000000001FE6000-memory.dmp
memory/3952-0-0x0000000000520000-0x0000000000526000-memory.dmp
memory/3952-1-0x0000000000520000-0x0000000000526000-memory.dmp
memory/3952-2-0x00000000006C0000-0x00000000006C6000-memory.dmp