General

  • Target

    5242240b621c48673edacfacfbcceb6f9453d7cd043fc0f0667106f50f7459c8

  • Size

    2.5MB

  • Sample

    240607-pn9dvsha38

  • MD5

    e3b991af10c7a3b5dd80b7a275071a43

  • SHA1

    302e65d87864466cb3738776e86d296ae0ca5476

  • SHA256

    5242240b621c48673edacfacfbcceb6f9453d7cd043fc0f0667106f50f7459c8

  • SHA512

    3d7b5d4d2b740eb419b98fc07592c323b2bb4c7416503ddf4354a5e78b1a04c6e17a3722f44994ec4def3c345a1c4d3237eeae75064b44858e4cdf397f4c0f51

  • SSDEEP

    49152:Zcm4081qpZBUbHEmJjsEAQACR07Q3byRD8aXY658:ZcmmqvBUbHtpfAw07QLyLn

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

      5242240b621c48673edacfacfbcceb6f9453d7cd043fc0f0667106f50f7459c8

    • Size

      2.5MB

    • MD5

      e3b991af10c7a3b5dd80b7a275071a43

    • SHA1

      302e65d87864466cb3738776e86d296ae0ca5476

    • SHA256

      5242240b621c48673edacfacfbcceb6f9453d7cd043fc0f0667106f50f7459c8

    • SHA512

      3d7b5d4d2b740eb419b98fc07592c323b2bb4c7416503ddf4354a5e78b1a04c6e17a3722f44994ec4def3c345a1c4d3237eeae75064b44858e4cdf397f4c0f51

    • SSDEEP

      49152:Zcm4081qpZBUbHEmJjsEAQACR07Q3byRD8aXY658:ZcmmqvBUbHtpfAw07QLyLn

    • 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