General

  • Target

    de0b2e128fd4b48ab5f6a9353f622b119a334d75c661a7e89d742a5b69dced9c

  • Size

    2.2MB

  • Sample

    240701-cefc7ssfph

  • MD5

    bc28298fa8886a83a9b78f7bfa70c967

  • SHA1

    2aad0ee89fffc24d73923ed849a5acaa947b5d43

  • SHA256

    de0b2e128fd4b48ab5f6a9353f622b119a334d75c661a7e89d742a5b69dced9c

  • SHA512

    74d027c544c62da2bfb1f71b48a33d424bec8d43b852f08b6ff53be8c25a22afe7ac0def87718c822eba465c4de98c5d92f1d20e44e5512bc0ddc6fc946358b9

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXfkU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPj21tuuIeNHYGY0LzjsJxK

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

      de0b2e128fd4b48ab5f6a9353f622b119a334d75c661a7e89d742a5b69dced9c

    • Size

      2.2MB

    • MD5

      bc28298fa8886a83a9b78f7bfa70c967

    • SHA1

      2aad0ee89fffc24d73923ed849a5acaa947b5d43

    • SHA256

      de0b2e128fd4b48ab5f6a9353f622b119a334d75c661a7e89d742a5b69dced9c

    • SHA512

      74d027c544c62da2bfb1f71b48a33d424bec8d43b852f08b6ff53be8c25a22afe7ac0def87718c822eba465c4de98c5d92f1d20e44e5512bc0ddc6fc946358b9

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXfkU2MZQti1u8LnsDJY6WpEYGYG:UJ0hsA91MPj21tuuIeNHYGY0LzjsJxK

    • Detect Vidar Stealer

    • Stealc

      Stealc is an infostealer written in C++.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • 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