Analysis
- max time kernel
93s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
06/06/2024, 21:37
General
- Target 2024-06-06_d63a4bfd6c3f0fa7b34ee6ba32e3e4aa_cryptolocker.exe
- Size 37KB
- Sample240606-1gp77ade39
- SHA256 5ed087301ebae874ff5047576072f6e437b53d4d965bcf418e0c0f59d98a78e5
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
- Checks computer location settings 2 TTPs 2 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\2024-06-06_d63a4bfd6c3f0fa7b34ee6ba32e3e4aa_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-06_d63a4bfd6c3f0fa7b34ee6ba32e3e4aa_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\gewos.exe"C:\Users\Admin\AppData\Local\Temp\gewos.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
gewos.exe
gewosik.exe
memory/2032-1-0x0000000000400000-0x0000000000406000-memory.dmp
memory/2032-8-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/2032-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp
memory/2816-25-0x0000000002020000-0x0000000002026000-memory.dmp