General

  • Target

    2cd9ea183ef88bc1ee850151e47ffc1613b6a4a57ddbb14ef8230cd25ba77a70.exe

  • Size

    667KB

  • Sample

    240529-bm3m2acc7v

  • MD5

    fed0e7606fdae5961988a53e62c792b9

  • SHA1

    6a2955bf2a7a60e1a5b3d37176d5c4842a582702

  • SHA256

    2cd9ea183ef88bc1ee850151e47ffc1613b6a4a57ddbb14ef8230cd25ba77a70

  • SHA512

    b49626292c059439c027c0211e499711616d09a0eec50800f374952d4b2bc8ca83538250ca9bc5c87445d7ad9b2b8e1e6468386dc9d94bd6cef29adc0890f951

  • SSDEEP

    12288:rKcOV/xljKrCu8RrCPZTUYTkXh/9HJRGWqF07TDuTkOVvF:PrC/rCRT+Rlv0F0fwLV

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    payment1759

Targets

    • Target

      2cd9ea183ef88bc1ee850151e47ffc1613b6a4a57ddbb14ef8230cd25ba77a70.exe

    • Size

      667KB

    • MD5

      fed0e7606fdae5961988a53e62c792b9

    • SHA1

      6a2955bf2a7a60e1a5b3d37176d5c4842a582702

    • SHA256

      2cd9ea183ef88bc1ee850151e47ffc1613b6a4a57ddbb14ef8230cd25ba77a70

    • SHA512

      b49626292c059439c027c0211e499711616d09a0eec50800f374952d4b2bc8ca83538250ca9bc5c87445d7ad9b2b8e1e6468386dc9d94bd6cef29adc0890f951

    • SSDEEP

      12288:rKcOV/xljKrCu8RrCPZTUYTkXh/9HJRGWqF07TDuTkOVvF:PrC/rCRT+Rlv0F0fwLV

    • 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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • 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.

    • 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