General

  • Target

    618e5a645e7860f6eb3c64e205f94d7b31e5108f1bba32f512b4bd765b7bd66f

  • Size

    504KB

  • Sample

    220521-aqz6msafd7

  • MD5

    1d60c44d6a3fc33552a6ac3cfcc17a78

  • SHA1

    0070fce2fd6e1cb9d2f8e546ef391be9765cbf47

  • SHA256

    618e5a645e7860f6eb3c64e205f94d7b31e5108f1bba32f512b4bd765b7bd66f

  • SHA512

    3eaa555bb9a27af3964bfda71210a873b6a7528542176fd0d6f5f971cd47f826d6275f038e5a327da5c5b983eabf4852a0bc908de2f0b6eb55a0c7a0ca9a6235

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sardaplywood.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sup123st45

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sardaplywood.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sup123st45

Targets

    • Target

      CvLcJcAjI2qE7PC.exe

    • Size

      759KB

    • MD5

      f53e16683cf99b5f4fea1a92663649b8

    • SHA1

      40a48b027e0285be2d7f3ec13972d2a43b789275

    • SHA256

      d46f5dde6c8522b2720eb3f72e3a78853fed2683844610e8fe7b774629b0a33a

    • SHA512

      04d997dd7ec311e8237656388882f6f005f85a57adba3a98101de08e57421cd0deee1761d845868800dc455e4ce1f2a9626ef05acf90f5d8a653ec8eae960f52

    • 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