General

  • Target

    stage5.bin.exe

  • Size

    979KB

  • Sample

    230330-h7s3nada21

  • MD5

    2acd19884dc08535b643868f682b3c84

  • SHA1

    c3577aea750eae81c5ea828633cd523f28979b26

  • SHA256

    93d4a1c73f73cfabff4180c6b5ce9991b3cb41783440f29dc5745961741eefe7

  • SHA512

    7d0565d00795f9f6f37cf7a3a65f1c3be1ca4ae2249c67617d2bb31c8b820b593b3e1d96ea173aa4ffd8d72a569c3432ae3f9f80c799f53049d966e570dc0dc8

  • SSDEEP

    24576:d4PpyeFskkfO+Ucf/eHAzoAgWdFMkLUvHW7kX3Lu4:ZpHwMegXnzLy27kru

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      stage5.bin.exe

    • Size

      979KB

    • MD5

      2acd19884dc08535b643868f682b3c84

    • SHA1

      c3577aea750eae81c5ea828633cd523f28979b26

    • SHA256

      93d4a1c73f73cfabff4180c6b5ce9991b3cb41783440f29dc5745961741eefe7

    • SHA512

      7d0565d00795f9f6f37cf7a3a65f1c3be1ca4ae2249c67617d2bb31c8b820b593b3e1d96ea173aa4ffd8d72a569c3432ae3f9f80c799f53049d966e570dc0dc8

    • SSDEEP

      24576:d4PpyeFskkfO+Ucf/eHAzoAgWdFMkLUvHW7kX3Lu4:ZpHwMegXnzLy27kru

    • 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