General

  • Target

    196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8

  • Size

    2.5MB

  • Sample

    240607-p13rvagc3y

  • MD5

    c1a961b367373866561c90273e8dcf38

  • SHA1

    836c5790b9ff5775958d599e85e5b0b36f1a351b

  • SHA256

    196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8

  • SHA512

    4e35d7bda22aeee344e8e5930445dae433361b88862e86b1c9e31a69098b523679ba45dd037aa30ed2b0946867baafc391dff83615711a5bab3b56b39f029f28

  • SSDEEP

    49152:Zcm4081qpZBUbHEmJksEAQACR07Q3byRD8aXY658:ZcmmqvBUbHt+fAw07QLyLn

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

      196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8

    • Size

      2.5MB

    • MD5

      c1a961b367373866561c90273e8dcf38

    • SHA1

      836c5790b9ff5775958d599e85e5b0b36f1a351b

    • SHA256

      196566a6500aeff667af35504325aceee3191a8400bfcda8ee4d8fa81fd1c9c8

    • SHA512

      4e35d7bda22aeee344e8e5930445dae433361b88862e86b1c9e31a69098b523679ba45dd037aa30ed2b0946867baafc391dff83615711a5bab3b56b39f029f28

    • SSDEEP

      49152:Zcm4081qpZBUbHEmJksEAQACR07Q3byRD8aXY658:ZcmmqvBUbHt+fAw07QLyLn

    • 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