General

  • Target

    PO.exe

  • Size

    740KB

  • Sample

    231205-j29nwsaa3x

  • MD5

    b8544d8facfb793edab9d38921933728

  • SHA1

    5ab5b9c19dd1cf189b49be90233e32dacd32e9e6

  • SHA256

    a81e919be20c26807dc7d775ccdc026d4a9daf0116661dff5e3fbdaf29effe19

  • SHA512

    f59aee69180a55f43c35ee32cb0a3a4b58994fd25a195d7557719a0f7b6c482fe561fd13a239772e32a04512391ffaed520ab85399eb0dbff75356585e88ac6f

  • SSDEEP

    12288:DWVretW8G34/uK45+po2ys7l/yOKRXDGz5aTbFQG1uJ073ZCeg/:4x34/up+pJyoaOMTGz5atQZJ0r

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      PO.exe

    • Size

      740KB

    • MD5

      b8544d8facfb793edab9d38921933728

    • SHA1

      5ab5b9c19dd1cf189b49be90233e32dacd32e9e6

    • SHA256

      a81e919be20c26807dc7d775ccdc026d4a9daf0116661dff5e3fbdaf29effe19

    • SHA512

      f59aee69180a55f43c35ee32cb0a3a4b58994fd25a195d7557719a0f7b6c482fe561fd13a239772e32a04512391ffaed520ab85399eb0dbff75356585e88ac6f

    • SSDEEP

      12288:DWVretW8G34/uK45+po2ys7l/yOKRXDGz5aTbFQG1uJ073ZCeg/:4x34/up+pJyoaOMTGz5atQZJ0r

    • 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 v15

Tasks