General

  • Target

    6ae6493d780bac547c2d6343a22acdec1a37a1a502f6a87b1be68595e9744f06

  • Size

    2.2MB

  • Sample

    240701-plp77s1frg

  • MD5

    bdb5202c57cf88bf3ec4835a18fc77ae

  • SHA1

    a92b307575da08e0210f3182c76497c4fe679741

  • SHA256

    6ae6493d780bac547c2d6343a22acdec1a37a1a502f6a87b1be68595e9744f06

  • SHA512

    78e54c3478be2f761289cb186bd467b1ce3d34fd70da5785f0368a911f1589521b37b93fb674ef8f52f2dd6243affb2460c9aa69039bf54eaafa25a7681c7092

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXvxU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPW21tuuIeNHYGY0LzjsJxK

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

      6ae6493d780bac547c2d6343a22acdec1a37a1a502f6a87b1be68595e9744f06

    • Size

      2.2MB

    • MD5

      bdb5202c57cf88bf3ec4835a18fc77ae

    • SHA1

      a92b307575da08e0210f3182c76497c4fe679741

    • SHA256

      6ae6493d780bac547c2d6343a22acdec1a37a1a502f6a87b1be68595e9744f06

    • SHA512

      78e54c3478be2f761289cb186bd467b1ce3d34fd70da5785f0368a911f1589521b37b93fb674ef8f52f2dd6243affb2460c9aa69039bf54eaafa25a7681c7092

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXvxU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPW21tuuIeNHYGY0LzjsJxK

    • 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.

    • 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

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks