General

  • Target

    0cdd89801edc2304d208f9dca70cbe0248f5cf55876c827a275a57560fa396fe.exe

  • Size

    702KB

  • Sample

    240604-bdqxwagd79

  • MD5

    cfaef1fbcfc3a09ccc8baf621b681025

  • SHA1

    1a54605adbd8e04175831efd65076aed86962f1e

  • SHA256

    0cdd89801edc2304d208f9dca70cbe0248f5cf55876c827a275a57560fa396fe

  • SHA512

    13d4b2f61b8721565b33fd1ada0a68fdbef0ae88237a82e997ffde31a7ea26978ee15fe4479531ec16e9b330637fba4869f40bd48d18cae933ccade83fbb090b

  • SSDEEP

    12288:BgcKt/rFfamxJ5nrZ0roAaNziw1htpEs8AOKkTzfD1KoRi16Y9nw:ecKN5imz5eAXGs8AOKG71KoM1/w

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Password: )NYyffR0

Targets

    • Target

      0cdd89801edc2304d208f9dca70cbe0248f5cf55876c827a275a57560fa396fe.exe

    • Size

      702KB

    • MD5

      cfaef1fbcfc3a09ccc8baf621b681025

    • SHA1

      1a54605adbd8e04175831efd65076aed86962f1e

    • SHA256

      0cdd89801edc2304d208f9dca70cbe0248f5cf55876c827a275a57560fa396fe

    • SHA512

      13d4b2f61b8721565b33fd1ada0a68fdbef0ae88237a82e997ffde31a7ea26978ee15fe4479531ec16e9b330637fba4869f40bd48d18cae933ccade83fbb090b

    • SSDEEP

      12288:BgcKt/rFfamxJ5nrZ0roAaNziw1htpEs8AOKkTzfD1KoRi16Y9nw:ecKN5imz5eAXGs8AOKG71KoM1/w

    • 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.

    • 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