General

  • Target

    f577b36893bacfb7ca4bb86f120e4539_JaffaCakes118

  • Size

    712KB

  • Sample

    240925-hy29zasapj

  • MD5

    f577b36893bacfb7ca4bb86f120e4539

  • SHA1

    7f7590f366a152855c0674b0c31fb76296298e2c

  • SHA256

    eb13bbf89dde5a3876a66aac08acf362b86adb97b2c6fd08f394f7088a4c2b11

  • SHA512

    39ad9d8d780c6d99d8de1067d4080dfec5683b5120c92235e5f4372d588cceb5442625dd5177572a06caae9da039483c30ea207454433a5ba9ad7d8016e14b15

  • SSDEEP

    12288:w9wGPs+rp0WOYbRuNVB+qObcDUqAwA3cGt0ovde/GLVoF:w9LPr+zA0vo8D10Bt/leOJoF

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    romeovm2015

Targets

    • Target

      Buyurtma.exe

    • Size

      576KB

    • MD5

      95b44c8d8b9fc5aa08c54c7e1839f346

    • SHA1

      ed9e04421ed3d78fceb93d8df0eef08616cb1808

    • SHA256

      f267ae557c75a40bff905fa66b8e7230f3bf58a57645cc945650bd7ecdf71d0a

    • SHA512

      5b5b75554d77b99c372e8f5cfb6b4c576ae59be13d99219cad06515c12dc8d6ab704cdd55dc775218369d6fbaf1cfa00aa600a754d1859aaf7a46eaf9645d4a3

    • SSDEEP

      12288:icajcXH2pvgIEzS6pCnH2MJNOh9ixMt/LIuiFyN:icaIXIvTE+6pCNkh9i6ZI7Fy

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • AgentTesla payload

    • Checks computer location settings

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

    • 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