Analysis
-
max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
12/09/2024, 13:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-12_65d5f717ef00f337604d6a0bc71d6a58_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-12_65d5f717ef00f337604d6a0bc71d6a58_cryptolocker.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-09-12_65d5f717ef00f337604d6a0bc71d6a58_cryptolocker.exe
-
Size
45KB
-
MD5
65d5f717ef00f337604d6a0bc71d6a58
-
SHA1
6c076552bfaaeeccc100c079b1bbc6d4abe93de2
-
SHA256
0442607674153523e0b893d2e898d2773752058ccdb335b12b652bba4a55267d
-
SHA512
4b45c14d1995390d61b8f6bb0fcf7506e7d8fa4b12c00d6cc85ac6a9bd05c81a6cf9c3187fd6b4d5e065dd80439023859e25151ee2c76e5967e2e7b632cf9787
-
SSDEEP
384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUadQC8sV:bm74zYcgT/EkM0ryfjPdQZsV
Malware Config
Signatures
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation 2024-09-12_65d5f717ef00f337604d6a0bc71d6a58_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 5008 hasfj.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-09-12_65d5f717ef00f337604d6a0bc71d6a58_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hasfj.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1244 wrote to memory of 5008 1244 2024-09-12_65d5f717ef00f337604d6a0bc71d6a58_cryptolocker.exe 85 PID 1244 wrote to memory of 5008 1244 2024-09-12_65d5f717ef00f337604d6a0bc71d6a58_cryptolocker.exe 85 PID 1244 wrote to memory of 5008 1244 2024-09-12_65d5f717ef00f337604d6a0bc71d6a58_cryptolocker.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-09-12_65d5f717ef00f337604d6a0bc71d6a58_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-12_65d5f717ef00f337604d6a0bc71d6a58_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1244 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5008
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
46KB
MD54cbc613822a0656efde3b1ac91a834ca
SHA114c197206618b8f74752df11bce118d59cfe2f0b
SHA2560406f2bcecf034d413af0d1e6141a42ab7ce038e6bd91fa2c632ea05eea2a3be
SHA512833b7c552098945ca7cbdeaa537105e528fc67b4c2c9be627789b0cfd4ae645cb62c0275115ff893967c44322797ea8f253faa5cb33457bab1ff690947afbcbb