Analysis
-
max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
-
submitted
20/02/2024, 08:04
General
-
Target
2024-02-20_b98e4cbd5c3de1bb13d13053d9d11ef4_cryptolocker.exe
-
Size
63KB
-
MD5
b98e4cbd5c3de1bb13d13053d9d11ef4
-
SHA1
4d4a18ecb9549ba9dc69046cb77e6ae65d2dcc8a
-
SHA256
89786f31e3c022640e43b792cc7b3cf7464ea32c668a21dbb9882e452d3fade5
-
SHA512
f4a72b51ddfd363e2ff5cdcb4d56580cfef26a6ddceaccb739e9a63f385fbbd580d49d58cd2e5a2f21b56c511dffbf0e6b5b4c328b6f5e966c6d0843c450809a
-
SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6UM:1nK6a+qdOOtEvwDpjh
Malware Config
Signatures
-
Detection of CryptoLocker Variants 5 IoCs
-
Detection of Cryptolocker Samples 5 IoCs
-
UPX dump on OEP (original entry point) 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
-
UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
-
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\2024-02-20_b98e4cbd5c3de1bb13d13053d9d11ef4_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-20_b98e4cbd5c3de1bb13d13053d9d11ef4_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
Loading Replay Monitor...
Downloads
-
Filesize
63KB
MD56bcdd797158f1c2015958e9ec0f805dd
SHA1ed1c3ed59acc66c92afdc3fcf846ac472cb5b7d0
SHA2562c81bba2f56cab6f7758f0dd2235fa237836554615f8a23910350340b651fdcb
SHA5127a7f46055bd4d0e107d9d1c275c87bdff555100dc44731d990b3c77d347182ba7e97c5500572aa4684645d6a5113c491e6447f5d7aafb86661cb3bf8c53e1af4
-
Filesize
60KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
60KB
-
Filesize
60KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
60KB