General

  • Target

    b26d90021ab8b159624485bc89b003df5ea1b5258be35a9f4103d2ba86a478d9

  • Size

    623KB

  • Sample

    220520-2atgpsabam

  • MD5

    8e8a9a23856de8b67712125ee6e4f4a9

  • SHA1

    2069ab0647853af90c98e155e0d93d793a7a9f9d

  • SHA256

    b26d90021ab8b159624485bc89b003df5ea1b5258be35a9f4103d2ba86a478d9

  • SHA512

    3da3bf2fd0a3cff061338f887ec6d31fa1f8aeef625a4db4062fc5e104cd185f4c8dbe1845b6957724db6f1bf91ef9e46905412c07af83fa2c67b88795252b91

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    payment24

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    payment24

Targets

    • Target

      SEACON BRAZIL DRAFT SOF.exe

    • Size

      656KB

    • MD5

      76fb7dc87ecb7d540b387b610928cc80

    • SHA1

      ec853a1c9b74392d478baa6643859889b22f0ccf

    • SHA256

      effc3dd49035c71a38605f78ba8937d8c04f27c84ada103c062e0c475c738dde

    • SHA512

      76bb95455aa2cad59e622102029ec425e12518610af3b1a44a30f8ce80d81adb815bdb850d91ba3a908db22a061620f9b41298dfb45105941fbd3ee9bcc8c814

    • 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

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks