General

  • Target

    IMAGE_0004.bat

  • Size

    723KB

  • Sample

    211014-ggcsbagce8

  • MD5

    3722d60a637a0c27261a839a04d7d4d2

  • SHA1

    3933f5a2ea8b486ff8247e30d228e00d17f39e3f

  • SHA256

    add10727ec98dd291126c26b084300c9c050722305e19ba54e8bd564897da586

  • SHA512

    4cde1c086286d701f29c3ac0362a7e8ca15738044bdd6628d46eaabe6a285732774ec4efb0bfb6f2c5958384186ccd69516458f9bf9cee66dc156e5ec6d99cc4

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.msjfurniturewll.com
  • Port:
    587
  • Username:
    shyam@msjfurniturewll.com
  • Password:
    abc@1234!5

Targets

    • Target

      IMAGE_0004.bat

    • Size

      723KB

    • MD5

      3722d60a637a0c27261a839a04d7d4d2

    • SHA1

      3933f5a2ea8b486ff8247e30d228e00d17f39e3f

    • SHA256

      add10727ec98dd291126c26b084300c9c050722305e19ba54e8bd564897da586

    • SHA512

      4cde1c086286d701f29c3ac0362a7e8ca15738044bdd6628d46eaabe6a285732774ec4efb0bfb6f2c5958384186ccd69516458f9bf9cee66dc156e5ec6d99cc4

    • AgentTesla

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

    • AgentTesla Payload

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks