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General

  • Target

    cc712cae756e3765c5d883c5b1b44d948e5d81edc270da61ebc22c353626be15

  • Size

    2.5MB

  • Sample

    240530-3gh5zseb7s

  • MD5

    24862a1f8b4d0e824b1f96387eb979ef

  • SHA1

    ba9843ea30830f08f7bf39f22e45dbef50d55fa6

  • SHA256

    cc712cae756e3765c5d883c5b1b44d948e5d81edc270da61ebc22c353626be15

  • SHA512

    6e67290eddd6db401fb7ff5991f69a9ab77ae681d7e183773980d6c5de805f23120e2aee7cc5003bd994b46dd88410a21eefa8c4ca3b425a3a6b0a8fae9a90d7

  • SSDEEP

    49152:+BX5/0mLBI1JVWJtTF+TxMoxc1TU+j+dAzGRX+:+BX5/0mAItIuoITsdZ

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

      cc712cae756e3765c5d883c5b1b44d948e5d81edc270da61ebc22c353626be15

    • Size

      2.5MB

    • MD5

      24862a1f8b4d0e824b1f96387eb979ef

    • SHA1

      ba9843ea30830f08f7bf39f22e45dbef50d55fa6

    • SHA256

      cc712cae756e3765c5d883c5b1b44d948e5d81edc270da61ebc22c353626be15

    • SHA512

      6e67290eddd6db401fb7ff5991f69a9ab77ae681d7e183773980d6c5de805f23120e2aee7cc5003bd994b46dd88410a21eefa8c4ca3b425a3a6b0a8fae9a90d7

    • SSDEEP

      49152:+BX5/0mLBI1JVWJtTF+TxMoxc1TU+j+dAzGRX+:+BX5/0mAItIuoITsdZ

    • 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

    • Loads dropped DLL

    • 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