General

  • Target

    c2eccf4454452088897a66b59a1d3d785d834f9251a6a92a5106288ecd2b64c3

  • Size

    2.5MB

  • Sample

    240607-nbczfsfc4z

  • MD5

    c70dd9d638b3519d045fdef755ec28b2

  • SHA1

    6d1725ed5ab839d5dedd400db672be0ba33826ea

  • SHA256

    c2eccf4454452088897a66b59a1d3d785d834f9251a6a92a5106288ecd2b64c3

  • SHA512

    7bb2aa18429f9efb23fcb9aaa4886df95d8a3ef505e5457f0c19cc421a835913e018dcf504b552e183314672e68f1b900d7d56f3e0e37e3f53c892852206462a

  • SSDEEP

    49152:Zcm4081qpZBUbHEmJDsEAQACR07Q3byRD8aXY658:ZcmmqvBUbHtNfAw07QLyLn

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

      c2eccf4454452088897a66b59a1d3d785d834f9251a6a92a5106288ecd2b64c3

    • Size

      2.5MB

    • MD5

      c70dd9d638b3519d045fdef755ec28b2

    • SHA1

      6d1725ed5ab839d5dedd400db672be0ba33826ea

    • SHA256

      c2eccf4454452088897a66b59a1d3d785d834f9251a6a92a5106288ecd2b64c3

    • SHA512

      7bb2aa18429f9efb23fcb9aaa4886df95d8a3ef505e5457f0c19cc421a835913e018dcf504b552e183314672e68f1b900d7d56f3e0e37e3f53c892852206462a

    • SSDEEP

      49152:Zcm4081qpZBUbHEmJDsEAQACR07Q3byRD8aXY658:ZcmmqvBUbHtNfAw07QLyLn

    • 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