General

  • Target

    networksec.exe

  • Size

    611KB

  • Sample

    230421-xxp1kshd83

  • MD5

    b6c9c4471cac3642ad6c1eed4ab5aa98

  • SHA1

    f0a454f210ce756984dd6ff1517852de9bdd219f

  • SHA256

    0bb23fead3ba01a2ced6b97198a0a12946b4ac4e2c93a39a2286636e484a035a

  • SHA512

    854f8510c764b08ef2f3908a5c842a0604c7e29f8974779f957212820f1d95f7281796cd5c0361b91c24add4f213310654e907c600a269688abfd07472d00ca2

  • SSDEEP

    12288:qLXsIplAtXX7tk4/SAtSDEpGb2rtw1FnVZ2g3bCUBEM/BkT9g3:qLXsIpitXLpzSiG6rS1ZVZ2gLrBDBkTy

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5846767138:AAHbrIUF1epdWlFQ2_64LCd8vdF121y1XGE/

Targets

    • Target

      networksec.exe

    • Size

      611KB

    • MD5

      b6c9c4471cac3642ad6c1eed4ab5aa98

    • SHA1

      f0a454f210ce756984dd6ff1517852de9bdd219f

    • SHA256

      0bb23fead3ba01a2ced6b97198a0a12946b4ac4e2c93a39a2286636e484a035a

    • SHA512

      854f8510c764b08ef2f3908a5c842a0604c7e29f8974779f957212820f1d95f7281796cd5c0361b91c24add4f213310654e907c600a269688abfd07472d00ca2

    • SSDEEP

      12288:qLXsIplAtXX7tk4/SAtSDEpGb2rtw1FnVZ2g3bCUBEM/BkT9g3:qLXsIpitXLpzSiG6rS1ZVZ2gLrBDBkTy

    • 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

    • 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