General

  • Target

    469e413d10621cd10bbd605b48d8cd536924d2551b77229c2e3ab0082822449a

  • Size

    2.4MB

  • Sample

    240606-3r5fzaeh57

  • MD5

    38743304a95ca78cb2564b689b7792b7

  • SHA1

    953d8176b650f286e69f1746297be80f81bed149

  • SHA256

    469e413d10621cd10bbd605b48d8cd536924d2551b77229c2e3ab0082822449a

  • SHA512

    795d2b954649b2c3203e41caf913c3b244f3ba950a55743e786dad942940b7e30479a5fa2dc5b04a19241834aa126acb33e30a8fe359123905dfb97974a82e30

  • SSDEEP

    49152:wQc81KnB/a/hNT/dxYa8aesY3Ot4N7G/:wDta/hNT/dxn0etD/

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

      469e413d10621cd10bbd605b48d8cd536924d2551b77229c2e3ab0082822449a

    • Size

      2.4MB

    • MD5

      38743304a95ca78cb2564b689b7792b7

    • SHA1

      953d8176b650f286e69f1746297be80f81bed149

    • SHA256

      469e413d10621cd10bbd605b48d8cd536924d2551b77229c2e3ab0082822449a

    • SHA512

      795d2b954649b2c3203e41caf913c3b244f3ba950a55743e786dad942940b7e30479a5fa2dc5b04a19241834aa126acb33e30a8fe359123905dfb97974a82e30

    • SSDEEP

      49152:wQc81KnB/a/hNT/dxYa8aesY3Ot4N7G/:wDta/hNT/dxn0etD/

    • 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