General

  • Target

    4b9dbeee2dbe681468c1b8456226ff110e8e09914a84c5b190da6ae3f8e702f1

  • Size

    513KB

  • Sample

    221123-vtswysaa36

  • MD5

    51fe45f2ba4d782a5bdf6d19c465269b

  • SHA1

    2a05df60cd38f24ad6f68be193eeb89029a03611

  • SHA256

    4b9dbeee2dbe681468c1b8456226ff110e8e09914a84c5b190da6ae3f8e702f1

  • SHA512

    e02e1462c3cc4845bd32da4bfb4188ad0ec7841d636a796369b235ceb9e2ed79a2b3b6a79e019dd26191c3f833bf5472f6a7b08e5aaee3c3408ca199dc757b06

  • SSDEEP

    12288:5o40ZPBwUNEN7qauy6y19wlR9EOFRXz+q/LJzZ8F:5oJBwwCruy6yKEOjTT

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    favour123

Targets

    • Target

      4b9dbeee2dbe681468c1b8456226ff110e8e09914a84c5b190da6ae3f8e702f1

    • Size

      513KB

    • MD5

      51fe45f2ba4d782a5bdf6d19c465269b

    • SHA1

      2a05df60cd38f24ad6f68be193eeb89029a03611

    • SHA256

      4b9dbeee2dbe681468c1b8456226ff110e8e09914a84c5b190da6ae3f8e702f1

    • SHA512

      e02e1462c3cc4845bd32da4bfb4188ad0ec7841d636a796369b235ceb9e2ed79a2b3b6a79e019dd26191c3f833bf5472f6a7b08e5aaee3c3408ca199dc757b06

    • SSDEEP

      12288:5o40ZPBwUNEN7qauy6y19wlR9EOFRXz+q/LJzZ8F:5oJBwwCruy6yKEOjTT

    • HawkEye

      HawkEye is a malware kit that has seen continuous development since at least 2013.

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks