Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
28/05/2024, 09:40
General
- Target 2024-05-28_17d970c190d1be7ad150eb1ebeb67ea3_cryptolocker.exe
- Size 47KB
- Sample240528-lnjlnafd79
- SHA256 69a2e031d23ccba4bc6b9dc1db5b0854b8fa80f14604ce83521cb84c1fadc62e
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
- Detection of Cryptolocker Samples 4 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\2024-05-28_17d970c190d1be7ad150eb1ebeb67ea3_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-28_17d970c190d1be7ad150eb1ebeb67ea3_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/1396-0-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1396-1-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/1396-2-0x00000000004F0000-0x00000000004F6000-memory.dmp
memory/1396-9-0x00000000004D0000-0x00000000004D6000-memory.dmp
memory/1396-17-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1856-18-0x0000000000500000-0x000000000050F000-memory.dmp
memory/1856-20-0x0000000001F30000-0x0000000001F36000-memory.dmp
memory/1856-26-0x0000000000530000-0x0000000000536000-memory.dmp