General

  • Target

    33985fc81c8cb810bec882cf1bedb2bf43fee4c7ea3cd60790b41f7bbc638a80

  • Size

    840KB

  • Sample

    240522-b4y16sge5z

  • MD5

    4ec4b10a9d353a18be4cf0f2d1bfc6e1

  • SHA1

    0e8ffba95197d0c81ce1ebd64a406f903e2c1043

  • SHA256

    33985fc81c8cb810bec882cf1bedb2bf43fee4c7ea3cd60790b41f7bbc638a80

  • SHA512

    2307b6276467a624bdf885854f5857da1a8cc15b23af2e28b337febf71057420034fa10575e4726835d64741e9bbb83015ab16cc4a10fe2f7fd81ec6b6953bef

  • SSDEEP

    12288:FIx504bFtx504bFWxZQHMz90ip4l7n4+wQD6y7O4IZPTTboedF9pO37N:qw4bjw4b8pjMc+wUTq4IPTTboedFvg7

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    aYl@txL3

Targets

    • Target

      33985fc81c8cb810bec882cf1bedb2bf43fee4c7ea3cd60790b41f7bbc638a80

    • Size

      840KB

    • MD5

      4ec4b10a9d353a18be4cf0f2d1bfc6e1

    • SHA1

      0e8ffba95197d0c81ce1ebd64a406f903e2c1043

    • SHA256

      33985fc81c8cb810bec882cf1bedb2bf43fee4c7ea3cd60790b41f7bbc638a80

    • SHA512

      2307b6276467a624bdf885854f5857da1a8cc15b23af2e28b337febf71057420034fa10575e4726835d64741e9bbb83015ab16cc4a10fe2f7fd81ec6b6953bef

    • SSDEEP

      12288:FIx504bFtx504bFWxZQHMz90ip4l7n4+wQD6y7O4IZPTTboedF9pO37N:qw4bjw4b8pjMc+wUTq4IPTTboedFvg7

    • AgentTesla

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

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks