Analysis
-
max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
-
submitted
29-01-2024 16:41
General
-
Target
2024-01-29_f2254403de30613f28c0a8c713b4dac7_cryptolocker.exe
-
Size
55KB
-
MD5
f2254403de30613f28c0a8c713b4dac7
-
SHA1
e2a2158761aaede6afaaa030004eb5e7269bd7b5
-
SHA256
9e304ce7bb7d7b25232e63a7631b2f6933717a43ad714b2c76705525c5513364
-
SHA512
5bfaecccdd7d8a8f0e4717b4256852bea7498efedd8d6bc977894317242a772a45b7ba95d1642cc9c9a22764df1c90bfe664f6117d56eb1027714088f0f0d762
-
SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61P:BbdDmjr+OtEvwDpjMZ
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\2024-01-29_f2254403de30613f28c0a8c713b4dac7_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-29_f2254403de30613f28c0a8c713b4dac7_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
55KB
MD53d425fc0b9fa9ba0236370c34d57e1d6
SHA1bb3f02fafe68e07964d5c9b6872f26f11537d3bb
SHA256fda99a912329afb13baa851afea6646dbe3c429f64e34f30ca18f2ff89cdd754
SHA512fbd50d444889112a7b15ac73225f12c1621017dfe41ad5328f092e19fda4d8c15ff3ab11d573671042b206758c0027a41affd1ae91ae95bf15640924e60bd259
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
64KB
-
Filesize
64KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
64KB