General

  • Target

    a749df2640b353c89be1c44d593214a814a0cf4543b6cc8ce847fbd543f9a563

  • Size

    621KB

  • Sample

    240408-agetcaah69

  • MD5

    cfd7c61da67b4ce0c65f2c262cf17df9

  • SHA1

    1b7e9f0bd3d7548b3f800509f5c4eb03d5c20976

  • SHA256

    a749df2640b353c89be1c44d593214a814a0cf4543b6cc8ce847fbd543f9a563

  • SHA512

    e3b2956acae2b6949f37045b2d5c1b64176d99c0d8d20dcc26e17c4fd740bf44c56772c19614a6df2e0813b6f3751c1440ed7823526f315ded0da87d26707d61

  • SSDEEP

    12288:RgRhtmkdOn7+begUj3aEJSXfmULfQAMM8oGzYKriaQ1iTk/FaEYz1upI:SYka3gUjanfmULfqM8okYKriDABEYz1H

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.funworld.co.id
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    fwp123mail

Targets

    • Target

      a749df2640b353c89be1c44d593214a814a0cf4543b6cc8ce847fbd543f9a563

    • Size

      621KB

    • MD5

      cfd7c61da67b4ce0c65f2c262cf17df9

    • SHA1

      1b7e9f0bd3d7548b3f800509f5c4eb03d5c20976

    • SHA256

      a749df2640b353c89be1c44d593214a814a0cf4543b6cc8ce847fbd543f9a563

    • SHA512

      e3b2956acae2b6949f37045b2d5c1b64176d99c0d8d20dcc26e17c4fd740bf44c56772c19614a6df2e0813b6f3751c1440ed7823526f315ded0da87d26707d61

    • SSDEEP

      12288:RgRhtmkdOn7+begUj3aEJSXfmULfQAMM8oGzYKriaQ1iTk/FaEYz1upI:SYka3gUjanfmULfqM8okYKriDABEYz1H

    • 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 packed with SmartAssembly

    • 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks