7a4db55f3040064f24a2d3e3b2e76cc2eaf9676a1648486a3578dc76e8453fee

Analysis

max time kernel
149s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
27/10/2026, 04:27

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General

Target
x86/mfH265Enc.dll
Size 935KB
Sample261027-e3kc6sav6x
SHA256 7a4db55f3040064f24a2d3e3b2e76cc2eaf9676a1648486a3578dc76e8453fee
MD5 be69e8b2af2b7f486b2ce02c060e57c7
SHA1 4b83e0924c5d949cb41f8bafada26df8d64ed4b1
SHA512 04da92ea2b60a1e2583e79b9b9008a34479bf52e07532970dbf629b65921bceb77324e1f5d4ee53a0f17c537982b6262435645efd2c0d4c8104f037d4c881ce0
SSDEEP 24576:wl1gj2/W7q/g/LfB4gG8geRfO6caMzNLt/tXS8V6UCqouAYz/DV2ebcnaRL:61gjT7b4gG8geRfmNpXd6UC2AYHMebcO
TLSH
T1C515BEE1B89910B2D8DB24B01BAEB7A3613C573D076015E716C46AFCD836EC15A33B97
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4500	4372	WerFault.exe	85

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 5860 wrote to memory of 4372	5860	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\x86\mfH265Enc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5860
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\x86\mfH265Enc.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4372
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 600
    3⤵
    - Program crash
    PID:4500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4372 -ip 4372
1⤵
PID:3780

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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