General

  • Target

    f3500ce93e32a299240c82fd5d66d04e5bccd53f19ff6e425ca4880de5c9d46b

  • Size

    2.5MB

  • Sample

    240607-wd1gjacf36

  • MD5

    608d63f3c84a18c46984ae7c4eb89bc6

  • SHA1

    a5a90d739dbfa34bf1a70d1ec31193f815f4cd34

  • SHA256

    f3500ce93e32a299240c82fd5d66d04e5bccd53f19ff6e425ca4880de5c9d46b

  • SHA512

    1cabed6ff7ba7fd25879e08394b117084408a5be3f673140e01a775de31b04d21ea6291712e07ea992a15f66db2fb1481d70d6ac18e37813fd845f31721aac65

  • SSDEEP

    49152:Zcm4081qpZBUbHEmJ0sEAQACR07Q3byRD8aXY658:ZcmmqvBUbHtKfAw07QLyLn

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

      f3500ce93e32a299240c82fd5d66d04e5bccd53f19ff6e425ca4880de5c9d46b

    • Size

      2.5MB

    • MD5

      608d63f3c84a18c46984ae7c4eb89bc6

    • SHA1

      a5a90d739dbfa34bf1a70d1ec31193f815f4cd34

    • SHA256

      f3500ce93e32a299240c82fd5d66d04e5bccd53f19ff6e425ca4880de5c9d46b

    • SHA512

      1cabed6ff7ba7fd25879e08394b117084408a5be3f673140e01a775de31b04d21ea6291712e07ea992a15f66db2fb1481d70d6ac18e37813fd845f31721aac65

    • SSDEEP

      49152:Zcm4081qpZBUbHEmJ0sEAQACR07Q3byRD8aXY658:ZcmmqvBUbHtKfAw07QLyLn

    • 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