Analysis
-
max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21/11/2024, 04:07
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-21_b75a58e127ac1207fd0987b1e296740c_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-21_b75a58e127ac1207fd0987b1e296740c_cryptolocker.exe
Resource
win10v2004-20241007-en
General
-
Target
2024-11-21_b75a58e127ac1207fd0987b1e296740c_cryptolocker.exe
-
Size
46KB
-
MD5
b75a58e127ac1207fd0987b1e296740c
-
SHA1
4bf9d37860d31513ef6f379bf50d9d9de4672d42
-
SHA256
aea254050dddf831d511df34db3ad07f463bd6dad5a7c817de78841b672d98b3
-
SHA512
f608a65af09202b190a119333323bd51f8a4ebedd06ff320578c0e87ed24e271a2b0537d91bb8e18301687239a4657be19f581e6b7286b45f84c995c1a0b6d47
-
SSDEEP
384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUk3z:bm74zYcgT/EkM0ryfjd3z
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2380 hasfj.exe -
Loads dropped DLL 1 IoCs
pid Process 2776 2024-11-21_b75a58e127ac1207fd0987b1e296740c_cryptolocker.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 2024-11-21_b75a58e127ac1207fd0987b1e296740c_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hasfj.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2776 wrote to memory of 2380 2776 2024-11-21_b75a58e127ac1207fd0987b1e296740c_cryptolocker.exe 31 PID 2776 wrote to memory of 2380 2776 2024-11-21_b75a58e127ac1207fd0987b1e296740c_cryptolocker.exe 31 PID 2776 wrote to memory of 2380 2776 2024-11-21_b75a58e127ac1207fd0987b1e296740c_cryptolocker.exe 31 PID 2776 wrote to memory of 2380 2776 2024-11-21_b75a58e127ac1207fd0987b1e296740c_cryptolocker.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-11-21_b75a58e127ac1207fd0987b1e296740c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-21_b75a58e127ac1207fd0987b1e296740c_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2776 -
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:2380
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
46KB
MD59eb32f4a84593f2121b06a2302ec75ef
SHA136b65d97ac6d971aaeb67e9c5994c8fc6ae77dc2
SHA256d2f3845d9c4dd18a3de25c4d636a5bef7ae7d8871e60e232c3776e43db481041
SHA512f611d4e9e36bf43a931cf6b9d8b127037a81e9a8f3f3fe6dfb12afe5114d3728c68bcae02904370c26dab278bfd979675762c9db4d6b7e5b5f563f0f4246e8d7