Analysis
-
max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
-
submitted
24/01/2024, 21:26
General
-
Target
2024-01-24_e617fe92a571f0b6cdec642b27971b9c_cryptolocker.exe
-
Size
125KB
-
MD5
e617fe92a571f0b6cdec642b27971b9c
-
SHA1
0eec6574c8a191d9a3472bfb7129eb1b37816b32
-
SHA256
03b4b8e0aa82096967c02b5be3155d7f54e344051aadb262bdda576395d4d91f
-
SHA512
d3624fc10686ee400b1a4226f2d9793a0e8c29b23a13d1afefe7431868a3af06711199be75cda5d8ea7e898a97c404a7917b5e0edb0247d0b83b68fac17b264f
-
SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1eQ:AnBdOOtEvwDpj6zm
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\2024-01-24_e617fe92a571f0b6cdec642b27971b9c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-24_e617fe92a571f0b6cdec642b27971b9c_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
125KB
MD5728b6fd9d72d76b152937bddff8aa877
SHA1a1fdb40c5956de55a43f10b5bf4e1f4d23f2abea
SHA2565d7bd66739cb52f56d359363996c6ef4caf55d35aa51ce5e11133716bc1b19e9
SHA5122847be2dc630936e5d77b7a1aa1ba01739030a3c86577faf02c2cfe5153105909aa44d32aba78590396833ade76b6ee0d1839e2cfc32b086dcbc3151363446b1
-
Filesize
60KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
60KB
-
Filesize
60KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
60KB