General

  • Target

    3bc82aa070ec66054520a55c5a73462de120f6c7edb9d6c7deea5800bfc31cdc

  • Size

    2.2MB

  • Sample

    240701-g2nqbaxhqc

  • MD5

    7af58bcaf1392c5a4351f91d94c3ae0c

  • SHA1

    cc722001ba9c0672297fdcc6e648833eea90206f

  • SHA256

    3bc82aa070ec66054520a55c5a73462de120f6c7edb9d6c7deea5800bfc31cdc

  • SHA512

    01a4688231c586f40db8a8f23dd1c058f91193ff317f73834494f04534dae8274403df4a10574fbe9dfdc560f9591debede330188f2d40857cd6a09e3e59ef4f

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXvXU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPs21tuuIeNHYGY0LzjsJxK

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

      3bc82aa070ec66054520a55c5a73462de120f6c7edb9d6c7deea5800bfc31cdc

    • Size

      2.2MB

    • MD5

      7af58bcaf1392c5a4351f91d94c3ae0c

    • SHA1

      cc722001ba9c0672297fdcc6e648833eea90206f

    • SHA256

      3bc82aa070ec66054520a55c5a73462de120f6c7edb9d6c7deea5800bfc31cdc

    • SHA512

      01a4688231c586f40db8a8f23dd1c058f91193ff317f73834494f04534dae8274403df4a10574fbe9dfdc560f9591debede330188f2d40857cd6a09e3e59ef4f

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXvXU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPs21tuuIeNHYGY0LzjsJxK

    • 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