General

  • Target

    77339357a046c99e9269cd85af9ac0da083e095155fa900283e0141a64b49bff

  • Size

    2.4MB

  • Sample

    240601-g8a3ssdd63

  • MD5

    9fab9e2d94fc4a6f4289965958f6c0d5

  • SHA1

    e8f28246527ea176260f6337bd42f2e6baba027f

  • SHA256

    77339357a046c99e9269cd85af9ac0da083e095155fa900283e0141a64b49bff

  • SHA512

    3d55ff59fc68c32ef17dc2d7543846b1b7d403fd63aaa5e65deafd6ea30eae3abc9706799972df384e15c1ef11b6a6b80025c536b5c5ba88af15fdc570d6b823

  • SSDEEP

    49152:wQc81KnB/a/hNT/d1Ya8aesY3Ot4N7G/:wDta/hNT/d1n0etD/

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

      77339357a046c99e9269cd85af9ac0da083e095155fa900283e0141a64b49bff

    • Size

      2.4MB

    • MD5

      9fab9e2d94fc4a6f4289965958f6c0d5

    • SHA1

      e8f28246527ea176260f6337bd42f2e6baba027f

    • SHA256

      77339357a046c99e9269cd85af9ac0da083e095155fa900283e0141a64b49bff

    • SHA512

      3d55ff59fc68c32ef17dc2d7543846b1b7d403fd63aaa5e65deafd6ea30eae3abc9706799972df384e15c1ef11b6a6b80025c536b5c5ba88af15fdc570d6b823

    • SSDEEP

      49152:wQc81KnB/a/hNT/d1Ya8aesY3Ot4N7G/:wDta/hNT/d1n0etD/

    • 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 Enterprise v15

Tasks