General

  • Target

    cf8921f0d7c1d06f63d6d79c3951c740245a139e753ed52576c9a61586389af0

  • Size

    2.6MB

  • Sample

    240529-b83j6aed88

  • MD5

    318ab6a41fd3336d83ce21fdbc710af0

  • SHA1

    6f76844eafce84321347bf6397c48c1f1e554323

  • SHA256

    cf8921f0d7c1d06f63d6d79c3951c740245a139e753ed52576c9a61586389af0

  • SHA512

    9322a89b1aedee961d1323a8e697feb05663aca140bf384f958d998887eaf0a5ea685eb300c4933b7dc0f050f2802b8214d1e1fdbeae115aa482f046b072ea35

  • SSDEEP

    49152:XQzIzMiqCNw3JtTF+TxMoxc1TU+j+dAzGwlrh:XY598etIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199689717899

https://t.me/copterwin

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      cf8921f0d7c1d06f63d6d79c3951c740245a139e753ed52576c9a61586389af0

    • Size

      2.6MB

    • MD5

      318ab6a41fd3336d83ce21fdbc710af0

    • SHA1

      6f76844eafce84321347bf6397c48c1f1e554323

    • SHA256

      cf8921f0d7c1d06f63d6d79c3951c740245a139e753ed52576c9a61586389af0

    • SHA512

      9322a89b1aedee961d1323a8e697feb05663aca140bf384f958d998887eaf0a5ea685eb300c4933b7dc0f050f2802b8214d1e1fdbeae115aa482f046b072ea35

    • SSDEEP

      49152:XQzIzMiqCNw3JtTF+TxMoxc1TU+j+dAzGwlrh:XY598etIuoITsdZ

    • 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