Analysis
-
max time kernel
147s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
-
submitted
05/04/2024, 23:42
General
-
Target
2024-04-05_f9fe90e6a77615c74dd12a93b59ca133_cryptolocker.exe
-
Size
50KB
-
MD5
f9fe90e6a77615c74dd12a93b59ca133
-
SHA1
4f55ae44b7b41dc15f4095939c273d596e779761
-
SHA256
bf82f1d019a47d7c85f03ebb5287282a0d0e404f80f252790931737c129810bf
-
SHA512
2790b50b38e1f5ddb151acc2e4bf74e2e8b7130a144cb8b33c7085f9889931e6891e6e9a99471e34f11b54600499c9a14f414e969aef65e1b0c6c1c93bf3f1ef
-
SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQPdUvMF:BbdDmjr+OtEvwDpjMX3
Malware Config
Signatures
-
Detection of CryptoLocker Variants 4 IoCs
-
Detection of Cryptolocker Samples 2 IoCs
-
UPX dump on OEP (original entry point) 4 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\2024-04-05_f9fe90e6a77615c74dd12a93b59ca133_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-05_f9fe90e6a77615c74dd12a93b59ca133_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
50KB
MD55a3c5f9f2b81a55daed644e6c34f9620
SHA142d78da0c7ae9ba8d6bb6374ca15cce2e8e9e211
SHA256192ce8e99a2f932c87152c9236dd20a21e723bfff3fcc65cdc9c664ae7541db3
SHA5120350baf55b3ccca23318106d20184fbb5dc2c21231030ed0ec1828191ab04be2bdc3104a8c3cdf46472f8493f00baf3ba740642b8e89ef3ee527101be7ad46aa
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
64KB