Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240221-en - resource tags
- submitted
22/02/2024, 19:38
General
- Target 2024-02-22_5eb4183b4341b6f34433ea0d925f2e31_cryptolocker.exe
- Size 70KB
- Sample240222-ycdx9aec6w
- SHA256 b7c4ff4b8fca48c2258723c9442f63bccd1f2aa072b629bb4de6338baa1c1a84
Score
9/10
Malware Config
Signatures
- 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\2024-02-22_5eb4183b4341b6f34433ea0d925f2e31_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-22_5eb4183b4341b6f34433ea0d925f2e31_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/2532-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/2532-1-0x00000000020D0000-0x00000000020D6000-memory.dmp
memory/2532-2-0x00000000020D0000-0x00000000020D6000-memory.dmp
memory/2532-3-0x00000000020F0000-0x00000000020F6000-memory.dmp
memory/2532-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/3880-19-0x0000000000680000-0x0000000000686000-memory.dmp
memory/3880-21-0x0000000000520000-0x0000000000526000-memory.dmp