General

  • Target

    a565c5ce6df8a1d28a9823a409adea1dee46fdc51ac6ffb1d37b9ce928f3a733

  • Size

    1.8MB

  • Sample

    240523-kpq7fsbb8y

  • MD5

    22e189acfeaa42090f18eb43f0e769ba

  • SHA1

    7d1d7200a99995e30c06324ed572530b5d489008

  • SHA256

    a565c5ce6df8a1d28a9823a409adea1dee46fdc51ac6ffb1d37b9ce928f3a733

  • SHA512

    c706aaa65b654206d07f3c7bd36294c79ce524e051bfd7c7bdcf04ac3bb8c5226738246a23e8c55e2ef4f2cf8ac10457307c8087845c5fed4c223ca955321f89

  • SSDEEP

    24576:FBfuZfeq6sVO6hTdtTF+TxMoxQH1Tj4wtjYZH1DmoYYzi3WH45yv+OueSJhm9e:F7qFHJtTF+TxMoxc1TU+j+dAzGwlrh

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      a565c5ce6df8a1d28a9823a409adea1dee46fdc51ac6ffb1d37b9ce928f3a733

    • Size

      1.8MB

    • MD5

      22e189acfeaa42090f18eb43f0e769ba

    • SHA1

      7d1d7200a99995e30c06324ed572530b5d489008

    • SHA256

      a565c5ce6df8a1d28a9823a409adea1dee46fdc51ac6ffb1d37b9ce928f3a733

    • SHA512

      c706aaa65b654206d07f3c7bd36294c79ce524e051bfd7c7bdcf04ac3bb8c5226738246a23e8c55e2ef4f2cf8ac10457307c8087845c5fed4c223ca955321f89

    • SSDEEP

      24576:FBfuZfeq6sVO6hTdtTF+TxMoxQH1Tj4wtjYZH1DmoYYzi3WH45yv+OueSJhm9e:F7qFHJtTF+TxMoxc1TU+j+dAzGwlrh

    • 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