bc6ad036e68b3e32361068cabcdf03f13b51963013f6b4e3e42c7831f2f662fd

Analysis

max time kernel
141s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29/10/2024, 06:45

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General

Target
entry_1_0/VIDRESZR.dll
Size 430KB
Sample241029-hjev5avlez
SHA256 b0d501703f77b787f5220241ad67246990b897f6d89a3d88c9ecccd31e9d1303
MD5 1453760be8a6bb6351af9ae448c5371c
SHA1 dd8740be7b912297b3b6ea670ae3b6dcbf7f6379
SHA512 865ea565b4370c442b326fd192fbc99821b68cbc8c427049208657d8a4406f5799ba0dfd699292acd2c1f893eb3425d1baabed54eac62b8f3b375e39ca295186
SSDEEP 12288:Ku51yhhj7B8DxdqFpS9SsHqCxvPxU3qklu7ei:Ku5o7B6I/+HfxiqX6
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1ea1ea14-48f4-4054-ad1a-e8aee10ac805}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\DirectShow\MediaObjects\Categories\d990ee14-776c-4723-be46-3da2f56f10b9\1ea1ea14-48f4-4054-ad1a-e8aee10ac805	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\MediaFoundation\Transforms\Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\DirectShow\MediaObjects\1ea1ea14-48f4-4054-ad1a-e8aee10ac805	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\MediaFoundation\Transforms	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\MediaFoundation	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\MediaFoundation\Transforms\Categories\12e17c21-532c-4a6e-8a1c-40825a736397	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\MediaFoundation\Transforms\Categories\12e17c21-532c-4a6e-8a1c-40825a736397\1ea1ea14-48f4-4054-ad1a-e8aee10ac805	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1ea1ea14-48f4-4054-ad1a-e8aee10ac805}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\DirectShow\MediaObjects	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\DirectShow\MediaObjects\Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\DirectShow\MediaObjects\Categories\d990ee14-776c-4723-be46-3da2f56f10b9	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\MediaFoundation\Transforms\1ea1ea14-48f4-4054-ad1a-e8aee10ac805	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4356	OpenWith.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4420 wrote to memory of 3544	4420	regsvr32.exe	84
PID 4420 wrote to memory of 3544	4420	regsvr32.exe	84
PID 4420 wrote to memory of 3544	4420	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\entry_1_0\VIDRESZR.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4420
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\entry_1_0\VIDRESZR.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3544

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3476

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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