General

  • Target

    db6e594697d85074a16f8ce893649435b356c1ae31724203df7e5463bb97d1fc.exe

  • Size

    844KB

  • Sample

    240523-rmm6caeb64

  • MD5

    e4aaca7e0fe69ced3fc467506885a9d9

  • SHA1

    dd9554514cba10808aa3e0f32c9f5f22c37e6995

  • SHA256

    db6e594697d85074a16f8ce893649435b356c1ae31724203df7e5463bb97d1fc

  • SHA512

    8254f7c3844db4e95f98431a00c7795650b5c9720670aac178b87c2ac444c86e34bc84f53ffd59fda16781aab6fcc86fcf81850f007189ca65db2c61dfbdbbc5

  • SSDEEP

    24576:Vw4bjw4bajqV8d707FhxVROXXaeSA+oafS7:Vw4bjw4bajN0xPOCBfk

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bethesdakindergarten.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    kindy6014587474

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      db6e594697d85074a16f8ce893649435b356c1ae31724203df7e5463bb97d1fc.exe

    • Size

      844KB

    • MD5

      e4aaca7e0fe69ced3fc467506885a9d9

    • SHA1

      dd9554514cba10808aa3e0f32c9f5f22c37e6995

    • SHA256

      db6e594697d85074a16f8ce893649435b356c1ae31724203df7e5463bb97d1fc

    • SHA512

      8254f7c3844db4e95f98431a00c7795650b5c9720670aac178b87c2ac444c86e34bc84f53ffd59fda16781aab6fcc86fcf81850f007189ca65db2c61dfbdbbc5

    • SSDEEP

      24576:Vw4bjw4bajqV8d707FhxVROXXaeSA+oafS7:Vw4bjw4bajN0xPOCBfk

    • 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

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

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