54630e2082c0200737951b4889e4dc1b78c0953b8938613b4ceda76e2e7f8f05

Analysis

max time kernel
298s
max time network
301s
platform
windows10-2004_x64
resource
win10v2004-20260513-fr
resource tags

arch:x64arch:x86image:win10v2004-20260513-frlocale:fr-fros:windows10-2004-x64systemwindows
submitted
09/08/2026, 12:26

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General

Target
System/mp4v.dll
Size 33KB
Sample260809-pmfp6axfnc
SHA256 54630e2082c0200737951b4889e4dc1b78c0953b8938613b4ceda76e2e7f8f05
MD5 90deb000f1b15d12fcdccbb2700148b2
SHA1 c6f4ec45dcd849034858dc52f4e4f7a5fb56b0ae
SHA512 3adb3673de921650788eefd1dc060c4a28298b1799a5a689c8f5c141f383d611165fcc56292704ca0119c252c00cec3c8bc5c022463e1f50a3060ad8979ad873
SSDEEP 768:RHumjM/2KzY7N5gjdDxOf/pTa9MEpYiTPx3/hWe8:R9E2EEAjdDxOf/W7TPxvhG
TLSH
T11DE27D41F7505C76CE7F46303DE5A83A963DBA601DE0C3473B99039D0BA83826F6526B
MD5 SHA1 SHA512 SSDEEP TLSH

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	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 444 wrote to memory of 2272	444	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\System\mp4v.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:444
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\System\mp4v.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2272

Network

MITRE ATT&CK Enterprise v16

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 v16

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