General

  • Target

    8c928a639f79d717c58828ff07a6065dfb87dd137dfad0f373a24140047fa9e3

  • Size

    2.5MB

  • Sample

    240607-xm2xdscb7z

  • MD5

    0ff7f760775afefb1c329f3cc5f0cf92

  • SHA1

    b7c5863ff1c7123b5874895dce4e1ed62fbdd634

  • SHA256

    8c928a639f79d717c58828ff07a6065dfb87dd137dfad0f373a24140047fa9e3

  • SHA512

    abbcf7c82a6a84b58c0f3076040a7fddcc972930857cef7e38c0952d91d32923305611d2bb7c34b1c2a37ab3e44f8d852f1b11cbde833fc47005513cd1d6f11b

  • SSDEEP

    49152:Zcm4081qpZBUbHEmJgsEAQACR07Q3byRD8aXY658:ZcmmqvBUbHtmfAw07QLyLn

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

      8c928a639f79d717c58828ff07a6065dfb87dd137dfad0f373a24140047fa9e3

    • Size

      2.5MB

    • MD5

      0ff7f760775afefb1c329f3cc5f0cf92

    • SHA1

      b7c5863ff1c7123b5874895dce4e1ed62fbdd634

    • SHA256

      8c928a639f79d717c58828ff07a6065dfb87dd137dfad0f373a24140047fa9e3

    • SHA512

      abbcf7c82a6a84b58c0f3076040a7fddcc972930857cef7e38c0952d91d32923305611d2bb7c34b1c2a37ab3e44f8d852f1b11cbde833fc47005513cd1d6f11b

    • SSDEEP

      49152:Zcm4081qpZBUbHEmJgsEAQACR07Q3byRD8aXY658:ZcmmqvBUbHtmfAw07QLyLn

    • 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