General

  • Target

    afc1e1acef884ba79e0c1adb6f421189fe6aff02c6d5cafd7f2322582438444c

  • Size

    2.2MB

  • Sample

    240701-ed8dpsyejr

  • MD5

    c6fb62b9d6a6275005bc742578a4c92d

  • SHA1

    f096d4b48ced3d3b03d8c00e920d0e464da0f2c4

  • SHA256

    afc1e1acef884ba79e0c1adb6f421189fe6aff02c6d5cafd7f2322582438444c

  • SHA512

    4dc9d8b84d8ccf5c17f19a05db91e4544a6a990110f0db4da3e20850d96056b1fba3d3a2677abdff39ca93b72b99f0178e652ed46664bf6b8d7e1749621cc2d3

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgX/8U2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPb21tuuIeNHYGY0LzjsJxK

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

      afc1e1acef884ba79e0c1adb6f421189fe6aff02c6d5cafd7f2322582438444c

    • Size

      2.2MB

    • MD5

      c6fb62b9d6a6275005bc742578a4c92d

    • SHA1

      f096d4b48ced3d3b03d8c00e920d0e464da0f2c4

    • SHA256

      afc1e1acef884ba79e0c1adb6f421189fe6aff02c6d5cafd7f2322582438444c

    • SHA512

      4dc9d8b84d8ccf5c17f19a05db91e4544a6a990110f0db4da3e20850d96056b1fba3d3a2677abdff39ca93b72b99f0178e652ed46664bf6b8d7e1749621cc2d3

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgX/8U2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPb21tuuIeNHYGY0LzjsJxK

    • 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