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General

  • Target

    Inquiry-doc074389246783_10.zip

  • Size

    5KB

  • Sample

    220920-h4yhzaccb6

  • MD5

    fd8dfbcf5f00f53a776db1c336f6cc19

  • SHA1

    35ab9245340b2f5c229fd0a80b48f68bfbf2ff3a

  • SHA256

    a0fb0fa7410b63de24957a7b67c2bbce927c6d9800eebac4955f8eafcc05000d

  • SHA512

    eb5c5ec31f709fc4f22f97802f34710703aa8332b26758e6cc4610e62a506817eba04d388cb0853a58cb8cce8f4c6d5b64861b42f238f58e83bc28a6b03d5e8e

  • SSDEEP

    96:no4eP31COrX/9uFByWNCW/tny52AEAsOz8l4raIldHlKKh3D6xXnea+Ajf:Sh/QFB/tnyMnAsOzW4ra0v5AedA7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    %2B
  • Port:
    21
  • Username:
    application/x-www-form-urlencoded
  • Password:
    image/jpg
C2

p=

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.nisusenergy.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Nisus@64787

Targets

    • Target

      Inquiry-doc074389246783.exe

    • Size

      21KB

    • MD5

      35cc4765d727bf4b90d8995fa2fc76a1

    • SHA1

      a11d84bf91ec714ff173a3696efe6313d444e0fc

    • SHA256

      ea8df8dbe183507d1a924a7af3ed3e394f61830745074659744cbf6e60724891

    • SHA512

      c422afdb3f3651cddef4d34c5895ff272b5e75041ad5b102790accd25703a41a1f77958ccf53d9baaa2d9e623435e934d4bff095696a41b3e50847cadc628a0f

    • SSDEEP

      384:lLaqknFcv/8hQdCreXXR9hkNkCcw9Uh+ET:5nkFnE9AkbE+

    • AgentTesla

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

MITRE ATT&CK Enterprise v6

Tasks