General

  • Target

    29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca

  • Size

    2.2MB

  • Sample

    240630-qgg7ga1gqj

  • MD5

    c12bf6e7248b11da2fa86e45b0dcb83f

  • SHA1

    01e26b66e3035cec44ccd76c0c99c29bb9c0ba58

  • SHA256

    29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca

  • SHA512

    e2df308fc7c78bd62e3796c2017c8b56abfca4a09f298eb5b0021b489ca808b3cfbe4b7bdc77b4e1304bb03446e9ce8e1b9568b24e3e6fef12aca4836412b4a7

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXH1U2MZQti1u8LnsDJY6WpEYGYG: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

      29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca

    • Size

      2.2MB

    • MD5

      c12bf6e7248b11da2fa86e45b0dcb83f

    • SHA1

      01e26b66e3035cec44ccd76c0c99c29bb9c0ba58

    • SHA256

      29dc8ffa9f422ee240ab3130fbeda0b31e97032c83225574b7a6a7d03610b9ca

    • SHA512

      e2df308fc7c78bd62e3796c2017c8b56abfca4a09f298eb5b0021b489ca808b3cfbe4b7bdc77b4e1304bb03446e9ce8e1b9568b24e3e6fef12aca4836412b4a7

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXH1U2MZQti1u8LnsDJY6WpEYGYG: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.

    • 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

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks