General

  • Target

    a7857a8f3d8ae57db9bc6c48aaeb2b2b7f6190b7fbd4cb72d66dd9a7f9f8c91a

  • Size

    368KB

  • Sample

    220520-2wkfxsgbb5

  • MD5

    97a34da4e49f20eab3c17f2bab3d13b6

  • SHA1

    6dc384a6bfbcae830c87d538339dfbdfba609685

  • SHA256

    a7857a8f3d8ae57db9bc6c48aaeb2b2b7f6190b7fbd4cb72d66dd9a7f9f8c91a

  • SHA512

    cc638340ffbba6d8c46cb39756670737f13cd7cf0ec8489c7d8e48566de1275cc346b7e9557d8bdccf71e5a8a2032db38050859436feaf91c8bbcdba4057cc34

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.teracefinancial.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sG!xcfQ8

Targets

    • Target

      a7857a8f3d8ae57db9bc6c48aaeb2b2b7f6190b7fbd4cb72d66dd9a7f9f8c91a

    • Size

      368KB

    • MD5

      97a34da4e49f20eab3c17f2bab3d13b6

    • SHA1

      6dc384a6bfbcae830c87d538339dfbdfba609685

    • SHA256

      a7857a8f3d8ae57db9bc6c48aaeb2b2b7f6190b7fbd4cb72d66dd9a7f9f8c91a

    • SHA512

      cc638340ffbba6d8c46cb39756670737f13cd7cf0ec8489c7d8e48566de1275cc346b7e9557d8bdccf71e5a8a2032db38050859436feaf91c8bbcdba4057cc34

    • 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