General

  • Target

    6f06da5e046339c924051b4f47ad785aa23de899a95f935398eab242bf44d4c4

  • Size

    2.2MB

  • Sample

    240701-lhncnatfje

  • MD5

    c94bb0911af24c74c10f9468bd5c28cc

  • SHA1

    ffed333d17bf4bdab7180ef4b7fcf20971390f4d

  • SHA256

    6f06da5e046339c924051b4f47ad785aa23de899a95f935398eab242bf44d4c4

  • SHA512

    7dc88baf548d81bd0e103f08edc6857723850e94dfc977a8ee17bd170f2c7da9fa7817796187ba1adccbe19aa52551a2a07a3f8c565fe539836f9ad486040428

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXPpU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MP+21tuuIeNHYGY0LzjsJxK

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

      6f06da5e046339c924051b4f47ad785aa23de899a95f935398eab242bf44d4c4

    • Size

      2.2MB

    • MD5

      c94bb0911af24c74c10f9468bd5c28cc

    • SHA1

      ffed333d17bf4bdab7180ef4b7fcf20971390f4d

    • SHA256

      6f06da5e046339c924051b4f47ad785aa23de899a95f935398eab242bf44d4c4

    • SHA512

      7dc88baf548d81bd0e103f08edc6857723850e94dfc977a8ee17bd170f2c7da9fa7817796187ba1adccbe19aa52551a2a07a3f8c565fe539836f9ad486040428

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXPpU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MP+21tuuIeNHYGY0LzjsJxK

    • 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