General

  • Target

    298f6135c40fa7a1482f5607e491fb8b5fb0dd074ce4fdc2d553e7ec7e85cadf

  • Size

    743KB

  • Sample

    250117-bt6y2axney

  • MD5

    a85eaf7608028104f08c0f8ec6d8b7bd

  • SHA1

    0e97331d7995df24cd66791042ade4f95bf5736b

  • SHA256

    298f6135c40fa7a1482f5607e491fb8b5fb0dd074ce4fdc2d553e7ec7e85cadf

  • SHA512

    861770828ac3e07ec7e6e0faf43b196c7f2eeebee055194e96fb293c7b829001263c577a6408d5e87720b027d643946cf1fee718c0b82ff4fb3ba2c30c0a0753

  • SSDEEP

    6144:bWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1v9Dk:bz7IFjvelQypyfy7z6u7+4Dv9Dk

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Boy12345#

Targets

    • Target

      298f6135c40fa7a1482f5607e491fb8b5fb0dd074ce4fdc2d553e7ec7e85cadf

    • Size

      743KB

    • MD5

      a85eaf7608028104f08c0f8ec6d8b7bd

    • SHA1

      0e97331d7995df24cd66791042ade4f95bf5736b

    • SHA256

      298f6135c40fa7a1482f5607e491fb8b5fb0dd074ce4fdc2d553e7ec7e85cadf

    • SHA512

      861770828ac3e07ec7e6e0faf43b196c7f2eeebee055194e96fb293c7b829001263c577a6408d5e87720b027d643946cf1fee718c0b82ff4fb3ba2c30c0a0753

    • SSDEEP

      6144:bWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1v9Dk:bz7IFjvelQypyfy7z6u7+4Dv9Dk

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • 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 v15

Tasks