Analysis
-
max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
-
submitted
18-02-2024 16:58
General
-
Target
2024-02-18_dd3b705cf2b7a9c4673f64e274d44447_cryptolocker.exe
-
Size
99KB
-
MD5
dd3b705cf2b7a9c4673f64e274d44447
-
SHA1
32dec97820ba620676b61d9d04da3a3d2924a98e
-
SHA256
4e46578229bd501acb3ff287ea94d420451fcbf3564fb4d53677ce4ec29e3da9
-
SHA512
3af4d778c9655198cee36e6eb8dc6ab696c680a65d4fd51df9fa736edf92cf85cb0684454296ff068e547eac8a265425e0f03c11a91ffa0fa1863bee950090e4
-
SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviPer818:AnBdOOtEvwDpj6zY
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\2024-02-18_dd3b705cf2b7a9c4673f64e274d44447_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-18_dd3b705cf2b7a9c4673f64e274d44447_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
99KB
MD5095d228c2fac6f9904585b2089d61853
SHA11fd4e29b1ebaffa8a9cc08617fa64ee2199a717b
SHA25665654d8d0de561ef98c73c7bcabde0dddd34afa734a3b7c9e559809b4638283c
SHA5125855b497aa3245fc0ebe7d88bcda0632243cf8d9c7cdf7af63abdd1af12cde60983b4456dc348479d0bd92222fa01a567e296fb3f48144e8ffe85f5818f6cb2c
-
Filesize
60KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
60KB
-
Filesize
60KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
60KB