General

  • Target

    ad83f4a4.exe

  • Size

    1.1MB

  • Sample

    211023-j7j1escbg9

  • MD5

    c91f24fcf484e59d3ab03e707144459a

  • SHA1

    9b21351158fc241ecc52a51beca027c1162694d6

  • SHA256

    ad83f4a4563b94420182654f956f45c6555d88c4fb0392dbe73df0eeafbdfc17

  • SHA512

    14cae63fa00235b8300e3fbf9dd71ba45692e5de692e2ab418f647a43de81de6272491b31ad7af5d4e5ad9236749c800e3eb83971d77491047eda428b0a000b7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    sales@xxltrucck.com
  • Password:
    zxcvbnm12345

Targets

    • Target

      ad83f4a4.exe

    • Size

      1.1MB

    • MD5

      c91f24fcf484e59d3ab03e707144459a

    • SHA1

      9b21351158fc241ecc52a51beca027c1162694d6

    • SHA256

      ad83f4a4563b94420182654f956f45c6555d88c4fb0392dbe73df0eeafbdfc17

    • SHA512

      14cae63fa00235b8300e3fbf9dd71ba45692e5de692e2ab418f647a43de81de6272491b31ad7af5d4e5ad9236749c800e3eb83971d77491047eda428b0a000b7

    • 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