Overview

overview

6

Static

static

3

elevated-helper.exe

windows11-21h2-x64

1

sing-box.exe

windows11-21h2-x64

1

start.bat

windows11-21h2-x64

3

vpn-client.exe

windows11-21h2-x64

1

webview2-b...er.exe

windows11-21h2-x64

6

wintun.dll

windows11-21h2-x64

1

Sharing

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General

  • Target
    vpn-client-windows-portable.zip
  • Size 18.6MB
  • Sample260802-1g2afssdjg
  • SHA256 83cf8229d225664d45f172decbf8a9ba4e8e47d77910e46ab681285915cdbcd4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
adwaredefense_evasiondiscoveryexecutionpersistenceprivilege_escalationspywarestealer

Malware Config

Targets

    • Target
      elevated-helper.exe
    • Size 1.4MB
    • SHA256 ef36e6d8d6d124ea230578f4ac8a89ff83d3319ba086f685f52ae5285bfcf399
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    behavioral1
    • Target
      sing-box.exe
    • Size 32.5MB
    • SHA256 d7df01f7640d4965a83c8d978b80f59739540ddde374404173df524cd6788ae3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    behavioral2
    • Target
      start.bat
    • Size 1KB
    • SHA256 5b3eb1729a6377ab519bdd1dc28871390d860ed4a1012ad8d716fea4868d60a8
    • MD5 SHA1 SHA512 TLSH
    Score
    3/10
    execution
    behavioral3
    • Target
      vpn-client.exe
    • Size 10.0MB
    • SHA256 d7ce7b6b6db2123b9dedbc3444c2383e556242ac055dc8f455ec69dd32583313
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    behavioral4
    • Target
      webview2-bootstrapper.exe
    • Size 1.6MB
    • SHA256 e99838c51bb3379b244654aa77e33032d42fc2b5d224c5babce432d9fd3dcb28
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    6/10
    adwaredefense_evasiondiscoverypersistenceprivilege_escalationspywarestealer

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

      stealeradware

    • Drops file in System32 directory

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation
    behavioral5
    • Target
      wintun.dll
    • Size 417KB
    • SHA256 e5da8447dc2c320edc0fc52fa01885c103de8c118481f683643cacc3220dafce
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    behavioral6

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

Active Setup

1
T1547.014

Browser Extensions

1
T1176

Event Triggered Execution

2
T1546

Component Object Model Hijacking

1
T1546.015

Image File Execution Options Injection

1
T1546.012

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Active Setup

1
T1547.014

Event Triggered Execution

2
T1546

Component Object Model Hijacking

1
T1546.015

Image File Execution Options Injection

1
T1546.012

Defense Evasion

Modify Registry

4
T1112

Credential Access

Discovery

Query Registry

5
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks