9f784b8881735cfebaa3589004945c410fa785b1461d8a59e20f0c871dbd3c40

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
08/06/2026, 13:54

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General

Target
x86/HEVCDECODER_STORE.dll
Size 1.5MB
Sample260608-q7yl5sfs21
SHA256 9f784b8881735cfebaa3589004945c410fa785b1461d8a59e20f0c871dbd3c40
MD5 eab4772398aec4b0fc47a1a03b382dad
SHA1 fd71fe1e12a8246cba95536ddd7c21e0390e8016
SHA512 445d10daab6cf731257315b09d7c74779d027bd026720eb61979daf91ab6a2cbae051521fffebd4c092b4991ca0776ce6a8bdcdb4594e857efbb8f0af8b78e71
SSDEEP 24576:Ub+pQ/Yac5sPOYWUkZVWv1sXhLBSfVWMlLvHN1k+9q2LapAuM3JzPfEztqz:Ubf/Tc5sPy21sXhLmLvHNgIPHz
TLSH
T1E9758DA1B2D291B1EC8A15F1525E76FA922D06700B6005E3A3C57FF5E871AC37B3178B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2104	4164	WerFault.exe	90

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 3664 wrote to memory of 4164	3664	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\x86\HEVCDECODER_STORE.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3664
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\x86\HEVCDECODER_STORE.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4164
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4164 -s 772
    3⤵
    - Program crash
    PID:2104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4164 -ip 4164
1⤵
PID:2404

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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