General

  • Target

    fd678fa881df72654406d6f637c06330c56d3f6c6dc67c1c50c892398aaec88e

  • Size

    2.5MB

  • Sample

    240607-kw3ttseh83

  • MD5

    e459632642cb3771d7238e69e1d36612

  • SHA1

    527d268db3ac62e49831d2d4d556690adbb7dd42

  • SHA256

    fd678fa881df72654406d6f637c06330c56d3f6c6dc67c1c50c892398aaec88e

  • SHA512

    76f1482976cf8a9bcbc074e296690fab50c90c5ab25becf94a2f9f375ccdada86040e0810a0344fad5bf80e2eea4c8238e7610199e98dd840306038807b73247

  • SSDEEP

    49152:Zcm4081qpZBUbHEmJqsEAQACR07Q3byRD8aXY658:ZcmmqvBUbHtUfAw07QLyLn

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/r8z0l

https://steamcommunity.com/profiles/76561199698764354

Attributes
  • user_agent

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

Targets

    • Target

      fd678fa881df72654406d6f637c06330c56d3f6c6dc67c1c50c892398aaec88e

    • Size

      2.5MB

    • MD5

      e459632642cb3771d7238e69e1d36612

    • SHA1

      527d268db3ac62e49831d2d4d556690adbb7dd42

    • SHA256

      fd678fa881df72654406d6f637c06330c56d3f6c6dc67c1c50c892398aaec88e

    • SHA512

      76f1482976cf8a9bcbc074e296690fab50c90c5ab25becf94a2f9f375ccdada86040e0810a0344fad5bf80e2eea4c8238e7610199e98dd840306038807b73247

    • SSDEEP

      49152:Zcm4081qpZBUbHEmJqsEAQACR07Q3byRD8aXY658:ZcmmqvBUbHtUfAw07QLyLn

    • 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