Analysis
-
max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
-
submitted
27/05/2024, 13:25
General
-
Target
2024-05-27_8628ae0172d915c78b7ffafa19e02b58_cryptolocker.exe
-
Size
38KB
-
MD5
8628ae0172d915c78b7ffafa19e02b58
-
SHA1
a935ad83714a8fc4302de11fb4f41c7417b83056
-
SHA256
c3b5f38fd5b005972bd3b4d0f9682b7307b25615d2b920eda3d2eb707bea58d3
-
SHA512
cc5bb4032ccc5198ad78728e510ea1483801712d2359bdc7ba873dde89ad2d9ac8f58aca92801e7a5c64480f688873b8779855a2125936ca1545bcd7f2e5b17b
-
SSDEEP
768:qTVbxjgQNQXtckstOOtEvwDpjAaD3TUogs/VXpAPWR1U:qTJu9cvMOtEvwDpjppVXzRS
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\2024-05-27_8628ae0172d915c78b7ffafa19e02b58_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-27_8628ae0172d915c78b7ffafa19e02b58_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
38KB
MD543bc49b658dcaacc256560cfd9f80696
SHA18747174e6d70d4fefe8e92f5b188065736154a27
SHA25699e23521cf82dc82359f455e83967711fcb630986aeadc95fd984c7103434b0c
SHA5127e736635944776d2625bb74e563faecf6cd8d784788d4a36248b83a606beeb91b60d814bf312a6d4f8d814b105c9cd961b92b1f99111c675c4deb24a34ef1326
-
Filesize
60KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
60KB
-
Filesize
60KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
24KB
-
Filesize
60KB