General

  • Target

    768825651ee7e807b46c8ed6246fc987b060edea72e17ad58319e5a29d026b81

  • Size

    606KB

  • Sample

    240514-26lrqsdf86

  • MD5

    9b83262c179d19754f91fb818e7a4d9f

  • SHA1

    d84b999321acb03df8047eef1dd24c1771b54fec

  • SHA256

    768825651ee7e807b46c8ed6246fc987b060edea72e17ad58319e5a29d026b81

  • SHA512

    a482cc4a96ee5883194cdc426706af6b2e8554cdced9da414d0870eb174bcd641abe716d2fcb9fcbd59dd7e79ad784927bbec1d070d804ce89ac5601054ceb7a

  • SSDEEP

    12288:gkxwwec5Rdl2Aa22GQA0pHosq+uV8YW0ZDVhXwRzyNz:gkxwweU2AahG90H/L0JV4W

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    tssveohxktcpzhdm

Targets

    • Target

      768825651ee7e807b46c8ed6246fc987b060edea72e17ad58319e5a29d026b81

    • Size

      606KB

    • MD5

      9b83262c179d19754f91fb818e7a4d9f

    • SHA1

      d84b999321acb03df8047eef1dd24c1771b54fec

    • SHA256

      768825651ee7e807b46c8ed6246fc987b060edea72e17ad58319e5a29d026b81

    • SHA512

      a482cc4a96ee5883194cdc426706af6b2e8554cdced9da414d0870eb174bcd641abe716d2fcb9fcbd59dd7e79ad784927bbec1d070d804ce89ac5601054ceb7a

    • SSDEEP

      12288:gkxwwec5Rdl2Aa22GQA0pHosq+uV8YW0ZDVhXwRzyNz:gkxwweU2AahG90H/L0JV4W

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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.

    • 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