General

  • Target

    fa7c1612ff853767974f6362697fa5055b65e4c8c22c0ca143012d827d02ba6a

  • Size

    660KB

  • Sample

    240523-c3pa1sag9y

  • MD5

    57ade9cbd347364926d40e16c74c39b1

  • SHA1

    ed4af64bfc4de307c62c1cba65949f759d6f5111

  • SHA256

    fa7c1612ff853767974f6362697fa5055b65e4c8c22c0ca143012d827d02ba6a

  • SHA512

    fd03e4793cd7e6ce20773b0a83530d1438beab5178b4023993d381017baf22f0e19a82d81eadd8c167624fd5955e97d6cc6dbce64c49d1bc96fbf6d488a59b73

  • SSDEEP

    12288:ju+4zi8LkpEaZZoy1XusX4X0G1LiI0ePZYGuTMqo1n/u6req39ee5y7Yh77Zj:yX2jEEGyWNmI0ePjuTMqoFB/9eeIYh77

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bonnyriggdentalsurgery.com.au
  • Port:
    587
  • Username:
    hr1@bonnyriggdentalsurgery.com.au
  • Password:
    Sages101*
  • Email To:
    hr2@bonnyriggdentalsurgery.com.au

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bonnyriggdentalsurgery.com.au
  • Port:
    587
  • Username:
    hr1@bonnyriggdentalsurgery.com.au
  • Password:
    Sages101*

Targets

    • Target

      fa7c1612ff853767974f6362697fa5055b65e4c8c22c0ca143012d827d02ba6a

    • Size

      660KB

    • MD5

      57ade9cbd347364926d40e16c74c39b1

    • SHA1

      ed4af64bfc4de307c62c1cba65949f759d6f5111

    • SHA256

      fa7c1612ff853767974f6362697fa5055b65e4c8c22c0ca143012d827d02ba6a

    • SHA512

      fd03e4793cd7e6ce20773b0a83530d1438beab5178b4023993d381017baf22f0e19a82d81eadd8c167624fd5955e97d6cc6dbce64c49d1bc96fbf6d488a59b73

    • SSDEEP

      12288:ju+4zi8LkpEaZZoy1XusX4X0G1LiI0ePZYGuTMqo1n/u6req39ee5y7Yh77Zj:yX2jEEGyWNmI0ePjuTMqoFB/9eeIYh77

    • 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.

    • 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.

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

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