General

  • Target

    Inv_7623980.r15

  • Size

    381KB

  • Sample

    210721-yssp4ttkhx

  • MD5

    ee2c45884c328d1da2b4644bd53ad3b7

  • SHA1

    b814a1aeac1a3949269b3cc12694f067126d6b2f

  • SHA256

    5562cf5618942d43bb59a893bb14f3bb1b45e98550a1bc82a4a75a4b5e504e23

  • SHA512

    1a1b9a49e026700015ce08bf2d6fbbe744459e84f030f378db93df06279536ae2b3442c4bcb93bbe44052c5b945d52e285f3c3121855e3366cb36e9751e915a7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.shivsundaram.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    hemant@10023

Targets

    • Target

      Inv_7623980.exe

    • Size

      930KB

    • MD5

      af3a59ad59b90cdbb755d2226f07d2f2

    • SHA1

      da66f2c7723a91e3a2db3e9d30fce20a3a5443a1

    • SHA256

      0f19539c1aca12bf11bb1084ea7745240b7b7690a80140c757de6ed382eb58c1

    • SHA512

      27143a3d2766b4908cedab8dab6d2522d09e5238d93527b5ed34320312558ce566032afd8ffdd1de461e893cef68dc80298f7a80a34a59e7d80c75b649191fa6

    • AgentTesla

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

    • AgentTesla Payload

    • Drops file in Drivers directory

    • 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.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks