General

  • Target

    5d9dc933ef0ac86a4cc822780674239e2166d70fc45ea67aebc75456b9da803f

  • Size

    2.2MB

  • Sample

    240701-b5hetawbkq

  • MD5

    f6c70e61be060afb38a02279082880f4

  • SHA1

    16c5e255fcfe2cea29c1277899f08b80c6f5de04

  • SHA256

    5d9dc933ef0ac86a4cc822780674239e2166d70fc45ea67aebc75456b9da803f

  • SHA512

    6693199de657802583bd56af51edf90d6f44951df0be69ca54ea7394e201c9cecd75e1948af5e8c14bdca581bae53feac1e92a67819b53e54faa36d3d9b4e363

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXb0U2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPn21tuuIeNHYGY0LzjsJxK

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

      5d9dc933ef0ac86a4cc822780674239e2166d70fc45ea67aebc75456b9da803f

    • Size

      2.2MB

    • MD5

      f6c70e61be060afb38a02279082880f4

    • SHA1

      16c5e255fcfe2cea29c1277899f08b80c6f5de04

    • SHA256

      5d9dc933ef0ac86a4cc822780674239e2166d70fc45ea67aebc75456b9da803f

    • SHA512

      6693199de657802583bd56af51edf90d6f44951df0be69ca54ea7394e201c9cecd75e1948af5e8c14bdca581bae53feac1e92a67819b53e54faa36d3d9b4e363

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXb0U2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPn21tuuIeNHYGY0LzjsJxK

    • 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