General

  • Target

    a29cdaaf38fd5aab170c396e26e8374973a0230797f06d2f67cd30ccae4f1908

  • Size

    2.2MB

  • Sample

    240630-q317gasckp

  • MD5

    7d93fe781a795cf2594c914867509c63

  • SHA1

    dc77652fa77ccec3522a49c75b5957d7fa73b64a

  • SHA256

    a29cdaaf38fd5aab170c396e26e8374973a0230797f06d2f67cd30ccae4f1908

  • SHA512

    fd33f8a3961252ceb12989a166dbafd4cac646d8b7f55cb9f6c26ff65eb2ee13d511572094dc7dc43fb5c809b63721f4571b22225590225cfa83c6bc109e25b4

  • SSDEEP

    24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXHeU2MZQti1u8LnsDJY6WpEYGYG: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

      a29cdaaf38fd5aab170c396e26e8374973a0230797f06d2f67cd30ccae4f1908

    • Size

      2.2MB

    • MD5

      7d93fe781a795cf2594c914867509c63

    • SHA1

      dc77652fa77ccec3522a49c75b5957d7fa73b64a

    • SHA256

      a29cdaaf38fd5aab170c396e26e8374973a0230797f06d2f67cd30ccae4f1908

    • SHA512

      fd33f8a3961252ceb12989a166dbafd4cac646d8b7f55cb9f6c26ff65eb2ee13d511572094dc7dc43fb5c809b63721f4571b22225590225cfa83c6bc109e25b4

    • SSDEEP

      24576:Uc0PyhhGkCI1wUL24jtYkYGbawg757CgXueAgXHeU2MZQti1u8LnsDJY6WpEYGYG: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

    • Executes dropped EXE

    • 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

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks