Overview

overview

10

Static

static

3

71256c1126...d2.exe

windows7-x64

1

71256c1126...d2.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    71256c11265d9762446983178290b1d2.exe
  • Size 974KB
  • Sample250326-slvdpsyrt5
  • SHA256 8e5021734b22342186a7b51235fbccc3d72ca27aa940c5b5c5e876d9fd406a85
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
stealcvidar928af183c2a2807a3c0526e8c0c9369ddefaultcredential_accessdiscoverypersistencespywarestealer

Malware Config

Extracted

Family

  • vidar

Version

  • 13.3

Botnet

  • 928af183c2a2807a3c0526e8c0c9369d

C2

  • https://t.me/lw25chm

  • https://steamcommunity.com/profiles/76561199839170361

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 Chrome/132.0.0.0 Safari/537.36 OPR/117.0.0.0

Extracted

Family

  • stealc

Botnet

  • default

C2

  • http://77.90.153.241

Attributes
  • url_path

    /612acd258782ade8.php

Targets

    • Target
      71256c11265d9762446983178290b1d2.exe
    • Size 974KB
    • SHA256 8e5021734b22342186a7b51235fbccc3d72ca27aa940c5b5c5e876d9fd406a85
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    stealcvidar928af183c2a2807a3c0526e8c0c9369ddefaultcredential_accessdiscoverypersistencespywarestealer

    • Detect Vidar Stealer

      stealer

    • Stealc

      Stealc is an infostealer written in C++.

      stealerstealc

    • Stealc family

      stealc

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Vidar family

      vidar

    • Downloads MZ/PE file

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

      credential_accessstealer

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

      credential_accessstealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Modify Authentication Process

1
T1556

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Authentication Process

1
T1556

Modify Registry

1
T1112

Credential Access

Modify Authentication Process

1
T1556

Steal Web Session Cookie

1
T1539

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Browser Information Discovery

1
T1217

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks