General

  • Target

    e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f

  • Size

    2.2MB

  • Sample

    240629-zw1f2awdqc

  • MD5

    baa6054e1dc431e0638b1083988882ec

  • SHA1

    ccd555c15f8f8ec621b758e1634aee48415c6985

  • SHA256

    e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f

  • SHA512

    33380d2b97edc6ab8ea0cf73dac07ecbb7fbf59fdd68d3468f5addf45de41ba9ef35cf54d1372032ff4a9e13f46c7dacd6683b3ae0779e932e573e66e64fecec

  • SSDEEP

    49152:qpjNvr9ySAOmw4RHHO+SASagXkJr4MDkUwm:qpjNp7p4RHH8n5A

Malware Config

Extracted

Family

vidar

C2

https://t.me/g067n

https://steamcommunity.com/profiles/76561199707802586

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Targets

    • Target

      e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f

    • Size

      2.2MB

    • MD5

      baa6054e1dc431e0638b1083988882ec

    • SHA1

      ccd555c15f8f8ec621b758e1634aee48415c6985

    • SHA256

      e5b75faad06132a6609414e4023f2b5cce5c3363a3a5c8c93f846b432bfb2e2f

    • SHA512

      33380d2b97edc6ab8ea0cf73dac07ecbb7fbf59fdd68d3468f5addf45de41ba9ef35cf54d1372032ff4a9e13f46c7dacd6683b3ae0779e932e573e66e64fecec

    • SSDEEP

      49152:qpjNvr9ySAOmw4RHHO+SASagXkJr4MDkUwm:qpjNp7p4RHH8n5A

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Tasks