Analysis
- max time kernel
148s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240221-en - resource tags
- submitted
22/02/2024, 00:46
General
- Target 2024-02-22_a45aa86453881f8ebb42a0cbaf12fee8_cryptolocker.exe
- Size 76KB
- Sample240222-a4pl3ahd31
- SHA256 89e58fc236acb74f94d1e8206fe26308bc6444791c37ece3206aa8e3f3c821ad
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\2024-02-22_a45aa86453881f8ebb42a0cbaf12fee8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-22_a45aa86453881f8ebb42a0cbaf12fee8_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
misid.exe
memory/4776-0-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/4776-1-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/4776-2-0x00000000005C0000-0x00000000005C6000-memory.dmp