General

  • Target

    f04a049bf541cd3ba0bb2a9716cd34a1c24b1b33ac6546288263f02222b01e43

  • Size

    2.2MB

  • Sample

    240630-pwd8paxhkb

  • MD5

    a1cc8693e4088da1cf2b060845b821c2

  • SHA1

    5b951559ad6cfe573f4ae35aa220be4d78e7f444

  • SHA256

    f04a049bf541cd3ba0bb2a9716cd34a1c24b1b33ac6546288263f02222b01e43

  • SHA512

    7ec27111ed8a93745bb17b53df887c65bef6b8bf74da59319963d2be57b1d4e29e9242de258e7a4941fa16f2976e387d3743ad77856b10386e0137781e267db9

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgX7kU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPH21tuuIeNHYGY0LzjsJxK

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

      f04a049bf541cd3ba0bb2a9716cd34a1c24b1b33ac6546288263f02222b01e43

    • Size

      2.2MB

    • MD5

      a1cc8693e4088da1cf2b060845b821c2

    • SHA1

      5b951559ad6cfe573f4ae35aa220be4d78e7f444

    • SHA256

      f04a049bf541cd3ba0bb2a9716cd34a1c24b1b33ac6546288263f02222b01e43

    • SHA512

      7ec27111ed8a93745bb17b53df887c65bef6b8bf74da59319963d2be57b1d4e29e9242de258e7a4941fa16f2976e387d3743ad77856b10386e0137781e267db9

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgX7kU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPH21tuuIeNHYGY0LzjsJxK

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks