65e3d41af62784429ebfbd8b17426a89e4c7643a94d9811aab62809711bdbc6d

Analysis

max time kernel
148s
max time network
134s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/09/2026, 15:15

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General

Target
$PLUGINSDIR/w7tbp.dll
Size 2KB
Sample260905-sm3fpstyfw
SHA256 65e3d41af62784429ebfbd8b17426a89e4c7643a94d9811aab62809711bdbc6d
MD5 71ca8666466a334aba2f8cd2b7868feb
SHA1 18a0bfb286c56ea10223bf8315480e8a5e396e08
SHA512 93cb29a8cf1302e45894cbded4cb3469e574a2e3d2cff5da934c770cb31e4e9e3b5b0aa53230f752e80cd721d500191b3bfcb800d6e49efb99b34b2285f1b2aa
TLSH
T1DB51027363B2177BC19522303B93A725B2BB497093D6C09A4CFD495E715468DD43CF86
MD5 SHA1 SHA512 TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5836	3248	WerFault.exe	89

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 8 wrote to memory of 3248	8	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\w7tbp.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:8
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\w7tbp.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3248
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3248 -s 512
    3⤵
    - Program crash
    PID:5836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3248 -ip 3248
1⤵
PID:4760

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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