Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
30/05/2024, 04:09
General
- Target 2024-05-30_9d4e70ae884832ba10e58b1a9be026cf_cryptolocker.exe
- Size 46KB
- Sample240530-erblwsfa33
- SHA256 4edb5895ed19351fd80051c4e9b82edc13ef63db41c2755abc63e765cb285f11
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\2024-05-30_9d4e70ae884832ba10e58b1a9be026cf_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-30_9d4e70ae884832ba10e58b1a9be026cf_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/1080-0-0x0000000000500000-0x000000000050B000-memory.dmp
memory/1080-1-0x0000000000740000-0x0000000000746000-memory.dmp
memory/1080-2-0x0000000000740000-0x0000000000746000-memory.dmp
memory/1080-3-0x0000000000760000-0x0000000000766000-memory.dmp
memory/1080-18-0x0000000000500000-0x000000000050B000-memory.dmp
memory/3520-17-0x0000000000500000-0x000000000050B000-memory.dmp
memory/3520-20-0x0000000000560000-0x0000000000566000-memory.dmp
memory/3520-21-0x00000000005D0000-0x00000000005D6000-memory.dmp
memory/3520-27-0x0000000000500000-0x000000000050B000-memory.dmp