Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
09/06/2024, 07:29
General
- Target 2024-06-09_826de93d0221cf8cf4c76cd860f9e7df_cryptolocker.exe
- Size 76KB
- Sample240609-jbp7kafe91
- SHA256 55043ebd76ef39827884eb8754fa927d8445ebcb396155c335da4bc92fbbf581
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\2024-06-09_826de93d0221cf8cf4c76cd860f9e7df_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-09_826de93d0221cf8cf4c76cd860f9e7df_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/4672-0-0x00000000007B0000-0x00000000007B6000-memory.dmp
memory/4672-1-0x00000000007D0000-0x00000000007D6000-memory.dmp
memory/4672-7-0x00000000007B0000-0x00000000007B6000-memory.dmp
memory/4704-23-0x00000000005A0000-0x00000000005A6000-memory.dmp
memory/4704-17-0x00000000005C0000-0x00000000005C6000-memory.dmp