f01193410f074ca67220d670d652d3e5c1285d0139c7329a9994dbd5aad8309e

Analysis

max time kernel
149s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
11/05/2026, 22:24

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General

Target
Updater/vstdlib_s.dll
Size 588KB
Sample260511-2bmqjsbs4s
SHA256 f01193410f074ca67220d670d652d3e5c1285d0139c7329a9994dbd5aad8309e
MD5 b0cecf8b24ab2bd713e0b295acd431da
SHA1 25bcf188788bf23576e6847ac2555b5571edf9af
SHA512 99895b87bc3d023bd16989d263aa8b579e6a899b1ad04300359b7c2257fe4aa51f2291cf0a8896ed9f5765e025e1a25aea98dd0e0d9027fb778940c7c84e703f
SSDEEP 6144:TT72F+C9tWpxlnoNE/xQa6IvWKvoUSx4Yh0DmQ5cR3JkaAO2AvOVzr0A:mLYxloS/gIvWJTDLrfYr0A
TLSH
T159D4BE07FEA3C072E5B1543448FCFBA5097CAE2407A1D9F7ABC83966AE305C25935726
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

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 1088 wrote to memory of 5040	1088	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Updater\vstdlib_s.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Updater\vstdlib_s.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5040

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

Replay Monitor

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Downloads

memory/5040-0-0x0000000002120000-0x00000000023AB000-memory.dmp

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