General

  • Target

    94cedd78a3253ab78a9910600b05cb13246c896b51d1da14fa57e310c59dd021

  • Size

    1.9MB

  • Sample

    240605-zksxtaaa25

  • MD5

    918121c4990093c7090e0aa966bfa222

  • SHA1

    fe5f1729278cf54b8098a0bcc1a3900dc2d30167

  • SHA256

    94cedd78a3253ab78a9910600b05cb13246c896b51d1da14fa57e310c59dd021

  • SHA512

    c6089a130638e601b6b65ce6b4af7bd74352fd8f59510b38fc29aaa4452242a60c20461ce6a29eb105ae68300b55676f20a262a4e73ae16d931bd463e5f288d8

  • SSDEEP

    24576:n/eC7bzaXi7m0QJu0LXolGLbJnR/z4+EbVbw2qug4ctOlQLernWO:nGYz0P0QMS4cdR/z4+UVi4e9Crn

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

      94cedd78a3253ab78a9910600b05cb13246c896b51d1da14fa57e310c59dd021

    • Size

      1.9MB

    • MD5

      918121c4990093c7090e0aa966bfa222

    • SHA1

      fe5f1729278cf54b8098a0bcc1a3900dc2d30167

    • SHA256

      94cedd78a3253ab78a9910600b05cb13246c896b51d1da14fa57e310c59dd021

    • SHA512

      c6089a130638e601b6b65ce6b4af7bd74352fd8f59510b38fc29aaa4452242a60c20461ce6a29eb105ae68300b55676f20a262a4e73ae16d931bd463e5f288d8

    • SSDEEP

      24576:n/eC7bzaXi7m0QJu0LXolGLbJnR/z4+EbVbw2qug4ctOlQLernWO:nGYz0P0QMS4cdR/z4+UVi4e9Crn

    • 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