General

  • Target

    4aa691cc25a5b3ee9060dd61300de545e6f0fd408b24995c06165ad96f4bd7f6

  • Size

    2.4MB

  • Sample

    240606-3wtv2adh8w

  • MD5

    64cfc715439e6228fcd26b1736e5bfb5

  • SHA1

    4a4570d571c9e948b3af02d4b13c6ff794f01bbf

  • SHA256

    4aa691cc25a5b3ee9060dd61300de545e6f0fd408b24995c06165ad96f4bd7f6

  • SHA512

    3c4240f9457f7336409d25b0021a2fb822f40769ab3192b56cd8e752179f5ed4b02d6d6412cd6f5f8f0d304abbfe7b3f2b5ebfac2efb3a036de16a6f10f7a03c

  • SSDEEP

    49152:wQc81KnB/a/hNT/ddYa8aesY3Ot4N7G/:wDta/hNT/ddn0etD/

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

      4aa691cc25a5b3ee9060dd61300de545e6f0fd408b24995c06165ad96f4bd7f6

    • Size

      2.4MB

    • MD5

      64cfc715439e6228fcd26b1736e5bfb5

    • SHA1

      4a4570d571c9e948b3af02d4b13c6ff794f01bbf

    • SHA256

      4aa691cc25a5b3ee9060dd61300de545e6f0fd408b24995c06165ad96f4bd7f6

    • SHA512

      3c4240f9457f7336409d25b0021a2fb822f40769ab3192b56cd8e752179f5ed4b02d6d6412cd6f5f8f0d304abbfe7b3f2b5ebfac2efb3a036de16a6f10f7a03c

    • SSDEEP

      49152:wQc81KnB/a/hNT/ddYa8aesY3Ot4N7G/:wDta/hNT/ddn0etD/

    • 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