d694fa46ab4cfebcb2632d094c7aa97278eef2f8052438621766d863ae98a931

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
01/07/2026, 04:37

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General

Target
x86/wintun.dll
Size 538KB
Sample260701-e8wndsev2r
SHA256 d694fa46ab4cfebcb2632d094c7aa97278eef2f8052438621766d863ae98a931
MD5 fa0391a861b949de22e0a59c6faeaed5
SHA1 d451ef2224b27938eeaa97ad26f75b686d86082e
SHA512 e44889d0f3044f90962181d7d8787076f70b6e1d7974150f16f83d33a97f1fc4bdd0c7a38eee7a1ea8e8dc4f66ed37dab004f2855dd361de8fdd4ae6e08fa048
SSDEEP 6144:w89wYsjDrSwf2IHHVVsWhC2njQtIu1MlXwiMnnyDQhWmnU4Dm:jjsjDrSOFaWFnjQtIzlXwiW/U46
TLSH
T1F1C4AE43A7D84467E5F79A3445738A526B3EB9300B30CACF53528A698E637C0DE34B76
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3280	4732	WerFault.exe	83

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 3000 wrote to memory of 4732	3000	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\x86\wintun.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\x86\wintun.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4732
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4732 -s 668
    3⤵
    - Program crash
    PID:3280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4732 -ip 4732
1⤵
PID:1800

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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