b6655364b910745804fc0e6a5d00e2fb4c0855862f1eddbff1ba405c04276248

Analysis

max time kernel
149s
max time network
155s
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/mfH265Enc.dll
Size 970KB
Sample260608-q7yl5sfs21
SHA256 b6655364b910745804fc0e6a5d00e2fb4c0855862f1eddbff1ba405c04276248
MD5 d2a88d75ea65eeec793d94a80ae85557
SHA1 dcb7446b64ecc2d4e863f8c948eba4bc3c7ea4d5
SHA512 37d7d0e3bb0570ce3f34dffb58a5fac2dae2bf95d42e4dd5d7f7384c93ae59c4c7299a4ad78b60f0fe077c459c33402e9e406533451cda8610c7a29dd299e4ea
SSDEEP 24576:k11gjb62l2n8i7aEZQ2VzjkeWAYZ5aCbyYKQGxnb2fxbhm:i1gjRePkeWrm0wn0bhm
TLSH
T11325BF61F4815172D9CA24B07BAEF6A765BC17AD075085F712C0AAFCE8366C12633F87
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5668	5496	WerFault.exe	87

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 5932 wrote to memory of 5496	5932	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\x86\mfH265Enc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5932
- 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:5496
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5496 -s 600
    3⤵
    - Program crash
    PID:5668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5496 -ip 5496
1⤵
PID:5652

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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