General

  • Target

    fa9926f2ad9b2b86e51a845b381354bf_JaffaCakes118

  • Size

    1.2MB

  • Sample

    240419-svdsbagf71

  • MD5

    fa9926f2ad9b2b86e51a845b381354bf

  • SHA1

    c57795a1bd06f88cf7f4d4b1b4c8b2fa62fce6ee

  • SHA256

    7258624b4f13f9c724040e9bc0f6326c2e8add1e06226d78cd833eda3e3c7915

  • SHA512

    1fbdc8b92d661af98a83d68760e65cf256b42d5beaf8774b3aaf7fca81696538db6f7e24b8e5e61d11563140acce685b234e24a241e31be79e0bc9de7ec79b23

  • SSDEEP

    24576:YcS/d3xKzksMkscOFdyKx7YrwANaQVG0y8jhMN6ZNwZ:sKOxkNNah0yN6ZNw

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    john2020

Targets

    • Target

      fa9926f2ad9b2b86e51a845b381354bf_JaffaCakes118

    • Size

      1.2MB

    • MD5

      fa9926f2ad9b2b86e51a845b381354bf

    • SHA1

      c57795a1bd06f88cf7f4d4b1b4c8b2fa62fce6ee

    • SHA256

      7258624b4f13f9c724040e9bc0f6326c2e8add1e06226d78cd833eda3e3c7915

    • SHA512

      1fbdc8b92d661af98a83d68760e65cf256b42d5beaf8774b3aaf7fca81696538db6f7e24b8e5e61d11563140acce685b234e24a241e31be79e0bc9de7ec79b23

    • SSDEEP

      24576:YcS/d3xKzksMkscOFdyKx7YrwANaQVG0y8jhMN6ZNwZ:sKOxkNNah0yN6ZNw

    • AgentTesla

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

    • AgentTesla payload

    • CustAttr .NET packer

      Detects CustAttr .NET packer in memory.

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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