General

  • Target

    905544c60f5bb55cf6f9f5c77c772d5ea2af90c256150d3499d9863623143440

  • Size

    2.4MB

  • Sample

    240607-aqff8sed2s

  • MD5

    0fccf2b54cf79362882252625b225299

  • SHA1

    e374674e99dd266fee568f8359b0080b4d6f0795

  • SHA256

    905544c60f5bb55cf6f9f5c77c772d5ea2af90c256150d3499d9863623143440

  • SHA512

    a693c37de240c0ad649e09eb76c3e87997298d8d7de4a5133f5ec6561895e118e2834f82454ac95022fea0ed79ab3594dfc1e722ec5b849725b05d35ecb88a9c

  • SSDEEP

    49152:wQc81KnB/a/hNT/dhYa8aesY3Ot4N7G/:wDta/hNT/dhn0etD/

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/ta904ek

https://steamcommunity.com/profiles/76561199695752269

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      905544c60f5bb55cf6f9f5c77c772d5ea2af90c256150d3499d9863623143440

    • Size

      2.4MB

    • MD5

      0fccf2b54cf79362882252625b225299

    • SHA1

      e374674e99dd266fee568f8359b0080b4d6f0795

    • SHA256

      905544c60f5bb55cf6f9f5c77c772d5ea2af90c256150d3499d9863623143440

    • SHA512

      a693c37de240c0ad649e09eb76c3e87997298d8d7de4a5133f5ec6561895e118e2834f82454ac95022fea0ed79ab3594dfc1e722ec5b849725b05d35ecb88a9c

    • SSDEEP

      49152:wQc81KnB/a/hNT/dhYa8aesY3Ot4N7G/:wDta/hNT/dhn0etD/

    • 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

    • Loads dropped DLL

    • 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 Enterprise v15

Tasks