General

  • Target

    437a1ca36e0f9222d6b8d7beea52270e6066d1f1341167d6143a5351115472ca

  • Size

    2.5MB

  • Sample

    240607-rsjp4shf3s

  • MD5

    9806a663da5de8bba48be03ffb62d15c

  • SHA1

    aef4fbcb52acc37736f52fa4693f95a2e0cfc305

  • SHA256

    437a1ca36e0f9222d6b8d7beea52270e6066d1f1341167d6143a5351115472ca

  • SHA512

    46f28457511a10dbc8195de6f3fe1f691693193e0cbcdba23e89afe514e75c1b76cd6e460743b0d8e3d1afc101cc6a7ec9fb62a39360084cf1ac1196eea30b36

  • SSDEEP

    49152:Zcm4081qpZBUbHEmJ/sEAQACR07Q3byRD8aXY658:ZcmmqvBUbHt1fAw07QLyLn

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

      437a1ca36e0f9222d6b8d7beea52270e6066d1f1341167d6143a5351115472ca

    • Size

      2.5MB

    • MD5

      9806a663da5de8bba48be03ffb62d15c

    • SHA1

      aef4fbcb52acc37736f52fa4693f95a2e0cfc305

    • SHA256

      437a1ca36e0f9222d6b8d7beea52270e6066d1f1341167d6143a5351115472ca

    • SHA512

      46f28457511a10dbc8195de6f3fe1f691693193e0cbcdba23e89afe514e75c1b76cd6e460743b0d8e3d1afc101cc6a7ec9fb62a39360084cf1ac1196eea30b36

    • SSDEEP

      49152:Zcm4081qpZBUbHEmJ/sEAQACR07Q3byRD8aXY658:ZcmmqvBUbHt1fAw07QLyLn

    • 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