General

  • Target

    89102f2b4f9b24b31ff5afe784a598a7002da0c41f7f3c401ec22a5270f5cb1a

  • Size

    2.2MB

  • Sample

    240701-dlxrhathqc

  • MD5

    e03f60136c2ea02cda82a4bd65717ffa

  • SHA1

    cd84f9be110f2a5e0adff2a615293ed70afff12a

  • SHA256

    89102f2b4f9b24b31ff5afe784a598a7002da0c41f7f3c401ec22a5270f5cb1a

  • SHA512

    cda601fa822ae9d73b8fc53164e9772159969ade8fce71f49c97ac1b9ec65ce98525d4d9a6aa6e4a4614169cc31dfe2947cfb9db8b570d50133041a72a2314f4

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXT7U2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPk21tuuIeNHYGY0LzjsJxK

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

      89102f2b4f9b24b31ff5afe784a598a7002da0c41f7f3c401ec22a5270f5cb1a

    • Size

      2.2MB

    • MD5

      e03f60136c2ea02cda82a4bd65717ffa

    • SHA1

      cd84f9be110f2a5e0adff2a615293ed70afff12a

    • SHA256

      89102f2b4f9b24b31ff5afe784a598a7002da0c41f7f3c401ec22a5270f5cb1a

    • SHA512

      cda601fa822ae9d73b8fc53164e9772159969ade8fce71f49c97ac1b9ec65ce98525d4d9a6aa6e4a4614169cc31dfe2947cfb9db8b570d50133041a72a2314f4

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXT7U2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPk21tuuIeNHYGY0LzjsJxK

    • 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