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General

  • Target

    6580a7173f7fdeac99d9accaa269f4d04627d9dd33384058201ec3c5cd5c4022

  • Size

    2.4MB

  • Sample

    240531-xcg48saa52

  • MD5

    34262639f1f50bbfbd2c3cd58dbd792e

  • SHA1

    f2f7f6478d0e13ff363225f01fda724def03dc74

  • SHA256

    6580a7173f7fdeac99d9accaa269f4d04627d9dd33384058201ec3c5cd5c4022

  • SHA512

    e8e25a679dcb2b4eae421c0f7b65cebdad6ccb78c862861c3fe9ec23a1495cf8dc37b347e3d475e0973c1a99a1b102b4dcf4945a57df7d707e64c076434d38bf

  • SSDEEP

    49152:wQc81KnB/a/hNT/d1Ya8aesY3Ot4N7G/:wDta/hNT/d1n0etD/

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

      6580a7173f7fdeac99d9accaa269f4d04627d9dd33384058201ec3c5cd5c4022

    • Size

      2.4MB

    • MD5

      34262639f1f50bbfbd2c3cd58dbd792e

    • SHA1

      f2f7f6478d0e13ff363225f01fda724def03dc74

    • SHA256

      6580a7173f7fdeac99d9accaa269f4d04627d9dd33384058201ec3c5cd5c4022

    • SHA512

      e8e25a679dcb2b4eae421c0f7b65cebdad6ccb78c862861c3fe9ec23a1495cf8dc37b347e3d475e0973c1a99a1b102b4dcf4945a57df7d707e64c076434d38bf

    • SSDEEP

      49152:wQc81KnB/a/hNT/d1Ya8aesY3Ot4N7G/:wDta/hNT/d1n0etD/

    • 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