General

  • Target

    a99e1ee9d73c40a52f7de89f3ef7197b251c0a2c

  • Size

    882KB

  • Sample

    230203-x3xbvaad28

  • MD5

    1abd19b81de959da0663de59225941a5

  • SHA1

    a99e1ee9d73c40a52f7de89f3ef7197b251c0a2c

  • SHA256

    f0e95ff0016fa9716b91e8c61ef8d64c29f37e7d7c1adb13d76ecdb7269a299b

  • SHA512

    a9f159de75b701bb87ae314ed387e1e3e543b0f0b0bf1738b49ba6436fd15055071b7651cf88fd6c40cb134ea33b66a86e76586e03a4b7b47322401757b023b4

  • SSDEEP

    24576:qeoK25o5IURdkcAmAk6SO8SmF6F0xMpqG4yPa:656fRdk1rk6S5kWiq

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      a99e1ee9d73c40a52f7de89f3ef7197b251c0a2c

    • Size

      882KB

    • MD5

      1abd19b81de959da0663de59225941a5

    • SHA1

      a99e1ee9d73c40a52f7de89f3ef7197b251c0a2c

    • SHA256

      f0e95ff0016fa9716b91e8c61ef8d64c29f37e7d7c1adb13d76ecdb7269a299b

    • SHA512

      a9f159de75b701bb87ae314ed387e1e3e543b0f0b0bf1738b49ba6436fd15055071b7651cf88fd6c40cb134ea33b66a86e76586e03a4b7b47322401757b023b4

    • SSDEEP

      24576:qeoK25o5IURdkcAmAk6SO8SmF6F0xMpqG4yPa:656fRdk1rk6S5kWiq

    • AgentTesla

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

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks