d3d6bd4e6291e11794ebffc27f851f1f70c175d3f77b4e003dc52658427babcb

Analysis

max time kernel
149s
max time network
151s
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 d3d6bd4e6291e11794ebffc27f851f1f70c175d3f77b4e003dc52658427babcb
MD5 890e93946a88a7b3ef954ef74c715f85
SHA1 e9cc71a198177ad1b99e812ec929b688abe5248d
SHA512 8aa5449fcf949b647907aa5f85122c69d190ab1fc29d09369a2a7f2bdac82df28a5db836266eea9ee74bd04b4d06be3e42b14276fc3c5c019e366616c7e43aef
SSDEEP 24576:Yb+pQ/Yac5sPOYWUkZVWv1sXhLBSfVWMlLvHN1k+9q2LapAuM3JzPfEztqJ3:Ybf/Tc5sPy21sXhLmLvHNgIPHJ3
TLSH
T168758DA1B2D291B1EC8A15F1525E76FA922D06700B6005E3A3C57FF5E871AC37B3178B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3320	2672	WerFault.exe	88

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 4580 wrote to memory of 2672	4580	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\x86\HEVCDECODER_STORE.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4580
- 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:2672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2672 -s 772
    3⤵
    - Program crash
    PID:3320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2672 -ip 2672
1⤵
PID:1804

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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