General

  • Target

    f0f8e1f3e0a5226353f99ec62b423041080a5ed1239a958d709ebec06c2e765a

  • Size

    2.2MB

  • Sample

    240701-nvkhmssgqj

  • MD5

    0e157535c0f2c58ff2d7e5a40f60833d

  • SHA1

    88dec52d588ceb8ba488c672d313bfe544d27b31

  • SHA256

    f0f8e1f3e0a5226353f99ec62b423041080a5ed1239a958d709ebec06c2e765a

  • SHA512

    99ea9dcb8e4b407c3cf459cc9da69a30606ecd15da6f7cfac5d6fa348795451a873a4d433a916427156e8f0f79871327e922d7e704c37899a8d7033c395cf59d

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXvlU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPC21tuuIeNHYGY0LzjsJxK

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

      f0f8e1f3e0a5226353f99ec62b423041080a5ed1239a958d709ebec06c2e765a

    • Size

      2.2MB

    • MD5

      0e157535c0f2c58ff2d7e5a40f60833d

    • SHA1

      88dec52d588ceb8ba488c672d313bfe544d27b31

    • SHA256

      f0f8e1f3e0a5226353f99ec62b423041080a5ed1239a958d709ebec06c2e765a

    • SHA512

      99ea9dcb8e4b407c3cf459cc9da69a30606ecd15da6f7cfac5d6fa348795451a873a4d433a916427156e8f0f79871327e922d7e704c37899a8d7033c395cf59d

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXvlU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPC21tuuIeNHYGY0LzjsJxK

    • 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