General

  • Target

    cdb96fe401203d67b6617aebdf69adab0e19a33af333974fa585018e93729ae7

  • Size

    2.0MB

  • Sample

    240526-dhl6ladc45

  • MD5

    106d55846976bec96fbeb384c6b3c175

  • SHA1

    e3c919801473ecc9b1917c7b8213c5ac255ada09

  • SHA256

    cdb96fe401203d67b6617aebdf69adab0e19a33af333974fa585018e93729ae7

  • SHA512

    0cc97304873285b8a8849c458bff193f26588279f4ae7082272c0a42d6eb68ddc0e2e7855e4f9912309e21c937a3aa8aaf18da63ed91088a61f59baf10583b85

  • SSDEEP

    49152:s4K3x1vUCJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18CtIuoITsdZ

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199689717899

https://t.me/copterwin

Attributes
  • user_agent

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

Targets

    • Target

      cdb96fe401203d67b6617aebdf69adab0e19a33af333974fa585018e93729ae7

    • Size

      2.0MB

    • MD5

      106d55846976bec96fbeb384c6b3c175

    • SHA1

      e3c919801473ecc9b1917c7b8213c5ac255ada09

    • SHA256

      cdb96fe401203d67b6617aebdf69adab0e19a33af333974fa585018e93729ae7

    • SHA512

      0cc97304873285b8a8849c458bff193f26588279f4ae7082272c0a42d6eb68ddc0e2e7855e4f9912309e21c937a3aa8aaf18da63ed91088a61f59baf10583b85

    • SSDEEP

      49152:s4K3x1vUCJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18CtIuoITsdZ

    • 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