General

  • Target

    57f80f312bf90b1486ed100a9fabaac58762fd7f82ae720ac66fa9f1b72e048b

  • Size

    713KB

  • Sample

    250117-bll9naxlfw

  • MD5

    cad43eafd4abd919680eb7df5d0aa41b

  • SHA1

    65693d658a91410871ab7f5902ef52efa88f46de

  • SHA256

    57f80f312bf90b1486ed100a9fabaac58762fd7f82ae720ac66fa9f1b72e048b

  • SHA512

    fdde3b81be3166f191c12ac4231be07edeb936d258a26b8fc3a60b9280b1c595a6f94d442bc9ac6a862dda60f88226265b657901dc7e44a0d5682fb22646502d

  • SSDEEP

    6144:WWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1vbAv:Wz7IFjvelQypyfy7z6u7+4DvbAv

Malware Config

Extracted

Credentials

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

Targets

    • Target

      57f80f312bf90b1486ed100a9fabaac58762fd7f82ae720ac66fa9f1b72e048b

    • Size

      713KB

    • MD5

      cad43eafd4abd919680eb7df5d0aa41b

    • SHA1

      65693d658a91410871ab7f5902ef52efa88f46de

    • SHA256

      57f80f312bf90b1486ed100a9fabaac58762fd7f82ae720ac66fa9f1b72e048b

    • SHA512

      fdde3b81be3166f191c12ac4231be07edeb936d258a26b8fc3a60b9280b1c595a6f94d442bc9ac6a862dda60f88226265b657901dc7e44a0d5682fb22646502d

    • SSDEEP

      6144:WWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N1vbAv:Wz7IFjvelQypyfy7z6u7+4DvbAv

    • 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