Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
25/05/2024, 00:28
General
- Target 2024-05-25_1c4e32a08ce4b7a7c48c2d67aa4b931a_cryptolocker.exe
- Size 46KB
- Sample240525-ase89age48
- SHA256 85b2f2d07b47f9bfd63242d10c96f97f21f2db43c783f265bc5712225475494e
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
- Detection of Cryptolocker Samples 5 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\2024-05-25_1c4e32a08ce4b7a7c48c2d67aa4b931a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-25_1c4e32a08ce4b7a7c48c2d67aa4b931a_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/4236-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/4236-1-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/4236-2-0x00000000006D0000-0x00000000006D6000-memory.dmp
memory/4236-9-0x00000000006B0000-0x00000000006B6000-memory.dmp
memory/4236-18-0x0000000000500000-0x000000000050B000-memory.dmp
memory/4600-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/4600-20-0x00000000005D0000-0x00000000005D6000-memory.dmp
memory/4600-26-0x0000000000560000-0x0000000000566000-memory.dmp
memory/4600-27-0x0000000000500000-0x000000000050B000-memory.dmp