General

  • Target

    787bd51eca6d7e14ef63066141d3d0deb8dbe1abc2462013aff14cea20e10ef9

  • Size

    2.2MB

  • Sample

    240701-gvcdpsxhja

  • MD5

    06eee2284d341f07a6097829cffcfa5c

  • SHA1

    9947154b4196419f2944b332e4de04ebcc95fc77

  • SHA256

    787bd51eca6d7e14ef63066141d3d0deb8dbe1abc2462013aff14cea20e10ef9

  • SHA512

    286c96953d30baa74a63f859c9774d8d60bd671509d7fced35769a7cc4950cf0f35a9b6ef5cea8ae8d8101f82bb19bfbc537a7b798f5d83e70d1cdf6e18b6d9a

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXnlU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MP621tuuIeNHYGY0LzjsJxK

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

      787bd51eca6d7e14ef63066141d3d0deb8dbe1abc2462013aff14cea20e10ef9

    • Size

      2.2MB

    • MD5

      06eee2284d341f07a6097829cffcfa5c

    • SHA1

      9947154b4196419f2944b332e4de04ebcc95fc77

    • SHA256

      787bd51eca6d7e14ef63066141d3d0deb8dbe1abc2462013aff14cea20e10ef9

    • SHA512

      286c96953d30baa74a63f859c9774d8d60bd671509d7fced35769a7cc4950cf0f35a9b6ef5cea8ae8d8101f82bb19bfbc537a7b798f5d83e70d1cdf6e18b6d9a

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXnlU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MP621tuuIeNHYGY0LzjsJxK

    • 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