General

  • Target

    b116fc70ab777290c47a82ba6afb7e0ae23980f388567a565e430968f404fa10

  • Size

    480KB

  • Sample

    241222-bg171sxlej

  • MD5

    cdf49517eef4f62690410c27857794d1

  • SHA1

    7e85777debb2af508affc5f817c15b949e240ff3

  • SHA256

    b116fc70ab777290c47a82ba6afb7e0ae23980f388567a565e430968f404fa10

  • SHA512

    7970fb4bbe3bc0df75e7d06d9a6dd257c14223989880f9f07ed85547af2086f5b2a444d654ef28df4946164dfeb757328747c0fc2eae10efc58b3c0e9fd653de

  • SSDEEP

    12288:APk4DbF53e0IUFLH66aKRKlHqj98qFde1imRSc6LxnOcOh:KWEslHEdFg1imEcWnD

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.greatnesawaits.me
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    cCHgtag8

Targets

    • Target

      b116fc70ab777290c47a82ba6afb7e0ae23980f388567a565e430968f404fa10

    • Size

      480KB

    • MD5

      cdf49517eef4f62690410c27857794d1

    • SHA1

      7e85777debb2af508affc5f817c15b949e240ff3

    • SHA256

      b116fc70ab777290c47a82ba6afb7e0ae23980f388567a565e430968f404fa10

    • SHA512

      7970fb4bbe3bc0df75e7d06d9a6dd257c14223989880f9f07ed85547af2086f5b2a444d654ef28df4946164dfeb757328747c0fc2eae10efc58b3c0e9fd653de

    • SSDEEP

      12288:APk4DbF53e0IUFLH66aKRKlHqj98qFde1imRSc6LxnOcOh:KWEslHEdFg1imEcWnD

    • AgentTesla

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

    • Agenttesla family

    • AgentTesla payload

    • Command and Scripting Interpreter: PowerShell

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

    • Drops file in Drivers directory

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks