General

  • Target

    0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920

  • Size

    2.5MB

  • Sample

    240607-y1bg2adf55

  • MD5

    a4b3bbb8e93f19daca7c103913ddc8f1

  • SHA1

    fb47712be731b36838290f89e6527a25cea32a45

  • SHA256

    0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920

  • SHA512

    da60a903e08e44d7ba9c8d4380bda3aaba5f92f3801f20d58170661b8c1197b3d7ab23510db967d56264b36f105edd8798a020d5311d2f827d336a3aef18ab4a

  • SSDEEP

    49152:Zcm4081qpZBUbHEmJbsEAQACR07Q3byRD8aXY658:ZcmmqvBUbHt5fAw07QLyLn

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

      0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920

    • Size

      2.5MB

    • MD5

      a4b3bbb8e93f19daca7c103913ddc8f1

    • SHA1

      fb47712be731b36838290f89e6527a25cea32a45

    • SHA256

      0563ce171241fb1b367eca838e4e9857a0c37571e8d81e2f8ee88f4d1dc86920

    • SHA512

      da60a903e08e44d7ba9c8d4380bda3aaba5f92f3801f20d58170661b8c1197b3d7ab23510db967d56264b36f105edd8798a020d5311d2f827d336a3aef18ab4a

    • SSDEEP

      49152:Zcm4081qpZBUbHEmJbsEAQACR07Q3byRD8aXY658:ZcmmqvBUbHt5fAw07QLyLn

    • 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