Analysis
-
max time kernel
147s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
-
submitted
23-02-2024 06:47
General
-
Target
2024-02-23_8540ef718f5b8d8010df43b2d92f8dcb_cryptolocker.exe
-
Size
29KB
-
MD5
8540ef718f5b8d8010df43b2d92f8dcb
-
SHA1
76be1b41ae22d55e8fc079498f173e6872739c33
-
SHA256
895cab6f5a5c4b5bc173b14e3f339c03d0becb6c784a180d6bc6044bab96b567
-
SHA512
fb27984faacec5723e1bc556f4ce955bcbc04fa30f7d0d9fe6c70fc9bd46bf4cbc31d804110cc1b093c62144391250fd32705d52384b365fdfa5b7fa7678bf43
-
SSDEEP
768:q0ZziOWwULueOSdE8tOOtEvwDpjeWaJIOc+pxA:q0zizzOSxMOtEvwDpj/ara
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\2024-02-23_8540ef718f5b8d8010df43b2d92f8dcb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-23_8540ef718f5b8d8010df43b2d92f8dcb_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
29KB
MD5a7f94d6fbbcf9c94164a0d315da68ef5
SHA16b4470454801f9a8e64e7db6fdf1d2be2ce7c04f
SHA2567cce7d6c6e89f285863648a6a871888ea88f4cb143359948c2dabf5e299e6ec5
SHA512d23507a2d3f2b7188c3ed123a370e9b3a783c1b053ceae300ba65d245b3880b06bb12b1733922f500617df7b03095f6476d02b732c0944c02900c9e9ae58e9d6
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
64KB