Overview

overview

9

Static

static

3

SystemUpdate.exe

windows10-2004-x64

9

SystemUpdate.exe

windows11-ltsc_2024-x64

7

Resubmissions

05/09/2026, 07:51

260905-jp16zszdlc9

05/09/2026, 05:57

260905-gn21savtcs9

Sharing

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General

  • Target
    SystemUpdate.exe
  • Size 20.4MB
  • Sample260905-gn21savtcs
  • SHA256 866d1e1bb09fde5f71f7f9f0f7a7a12e6e22246d1bd0223bd811305463930dd0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoveryexecutionpersistenceprivilege_escalationpyinstallerspywarestealer

Malware Config

Targets

    • Target
      SystemUpdate.exe
    • Size 20.4MB
    • SHA256 866d1e1bb09fde5f71f7f9f0f7a7a12e6e22246d1bd0223bd811305463930dd0
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealerpyinstaller

    • Looks for VirtualBox drivers on disk

      defense_evasion

    • Looks for VMWare drivers on disk

      defense_evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Modify Registry

1
T1112

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

File and Directory Discovery

2
T1083

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

1
T1016.001

Wi-Fi Discovery

1
T1016.002

Virtualization/Sandbox Evasion

2
T1497

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks