General

  • Target

    c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4

  • Size

    2.5MB

  • Sample

    240607-vdmd8sbc6x

  • MD5

    e00f6222c7ffe2574aacd738260e96e9

  • SHA1

    4160ff1b0d4fdbcb3f94e1f3330fa08c63749bdd

  • SHA256

    c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4

  • SHA512

    7807747465e4067c8638ecb54dc90ac27e5dda3f602152f11117c34e1775d7ddc42dcf791cdfed79a86476e6798f161159eaee93d121f28b11812085f6420d4b

  • SSDEEP

    49152:Zcm4081qpZBUbHEmJpsEAQACR07Q3byRD8aXY658:ZcmmqvBUbHtrfAw07QLyLn

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

      c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4

    • Size

      2.5MB

    • MD5

      e00f6222c7ffe2574aacd738260e96e9

    • SHA1

      4160ff1b0d4fdbcb3f94e1f3330fa08c63749bdd

    • SHA256

      c0f1224ffc251d40454c3f16bdbd1406d59879e7e1a43b3667932dc4d81af5a4

    • SHA512

      7807747465e4067c8638ecb54dc90ac27e5dda3f602152f11117c34e1775d7ddc42dcf791cdfed79a86476e6798f161159eaee93d121f28b11812085f6420d4b

    • SSDEEP

      49152:Zcm4081qpZBUbHEmJpsEAQACR07Q3byRD8aXY658:ZcmmqvBUbHtrfAw07QLyLn

    • 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