General

  • Target

    c8edf13217854a9ce32385b739b52f5aa6519905a34b0e474718deb7fbe90341

  • Size

    642KB

  • Sample

    250117-bzxbsaxpfy

  • MD5

    d4f325f7f7da02b3ae07f713eefbd8ae

  • SHA1

    bd7e223041bd1262ff6a462e00f94a0e7561bd7c

  • SHA256

    c8edf13217854a9ce32385b739b52f5aa6519905a34b0e474718deb7fbe90341

  • SHA512

    6af21f37c52088f49fbea3525614390e9ef43008571c81c345bb86c6eb739ba87ecca48100cacb96ec7c29fb8625c6d08f34957ff6a174c44cd498239ae1d971

  • SSDEEP

    6144:kWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N137Byy:kz7IFjvelQypyfy7z6u7+4D37Byy

Malware Config

Extracted

Credentials

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

Targets

    • Target

      c8edf13217854a9ce32385b739b52f5aa6519905a34b0e474718deb7fbe90341

    • Size

      642KB

    • MD5

      d4f325f7f7da02b3ae07f713eefbd8ae

    • SHA1

      bd7e223041bd1262ff6a462e00f94a0e7561bd7c

    • SHA256

      c8edf13217854a9ce32385b739b52f5aa6519905a34b0e474718deb7fbe90341

    • SHA512

      6af21f37c52088f49fbea3525614390e9ef43008571c81c345bb86c6eb739ba87ecca48100cacb96ec7c29fb8625c6d08f34957ff6a174c44cd498239ae1d971

    • SSDEEP

      6144:kWusAIFB++velibxPyp/64wjOjn6cB3rZtT/Yq3v9Auky+4N137Byy:kz7IFjvelQypyfy7z6u7+4D37Byy

    • 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