General

  • Target

    PURCHASE ORDER.zip

  • Size

    704KB

  • Sample

    230607-qvnleabf3s

  • MD5

    5999025426438e855f708d52d1f28c42

  • SHA1

    5faec204f594d5ca4b77471155130db35d7d5a68

  • SHA256

    0ebcef166cf7b72171b0d08040381ad00e80635633e54546823b416460ee57c1

  • SHA512

    acb6ae88d43b3a8242a89e77316acdb850aac507eac8396f8d52404b031b6cb452fa23b1a15416badd7764e7554348d11bee7d070ad2dd271aa4785516f10049

  • SSDEEP

    12288:q2i5xLvI80vqRA2/xk2La6SygJmGDD48doE1dZ0UqdVw:q1LwdiRAQCWgJmGDD48d3hqd2

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      PURCHASE ORDER.exe

    • Size

      804KB

    • MD5

      a52632bd935ef9c19ebd241c6a4478fc

    • SHA1

      ee353ef4c29c8c3c5db13c226fb32c84f1b7d928

    • SHA256

      b5b3f18d4a9208ec2a9b1b8e1d1e1e8dfa6f6b749223fcb021839038d015d92f

    • SHA512

      fb22714a82c1561292db1409ac430def0253ae1e90d182fe173c0036bc2ba90cae306de546a5b0a131c3d69b20113031750001b4b604ca83b1fef9837c625f67

    • SSDEEP

      24576:x1U9BqmycgiH75Bh2z8mmiAlaD4ob3E3d:xu9Bqmycr7kIigam

    • AgentTesla

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

    • Checks computer location settings

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

    • 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

    • 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 v6

Tasks