General

  • Target

    682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7

  • Size

    1.8MB

  • Sample

    240604-bdx17agd85

  • MD5

    16b7f773266ca37595e7c7b177e139e6

  • SHA1

    fdbcb8a533291b193fd4411098aee685f1d28e3c

  • SHA256

    682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7

  • SHA512

    45a8bedaddc95efc84453cfc6802f0b6bca6371d055507b34ad03b649aa33e40843445a9e91b59b80631b7aa5499ddd7373554f3b08de6602144afa721ead214

  • SSDEEP

    24576:W7YfUB7F1931tb9YaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtb9Ya8aesY3Ot4N7G/

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://t.me/ta904ek

https://steamcommunity.com/profiles/76561199695752269

Attributes
  • user_agent

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

Targets

    • Target

      682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7

    • Size

      1.8MB

    • MD5

      16b7f773266ca37595e7c7b177e139e6

    • SHA1

      fdbcb8a533291b193fd4411098aee685f1d28e3c

    • SHA256

      682b75a2a9dc54d8976202c026e525bf822891eb6a3cd99ba960ce8221b965c7

    • SHA512

      45a8bedaddc95efc84453cfc6802f0b6bca6371d055507b34ad03b649aa33e40843445a9e91b59b80631b7aa5499ddd7373554f3b08de6602144afa721ead214

    • SSDEEP

      24576:W7YfUB7F1931tb9YaOV+rEfv0xwT3zxNOt4XigDSCuptNEynEsqqfD:W75B7FDFtb9Ya8aesY3Ot4N7G/

    • 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