General

  • Target

    6e2b332abcf7beace6b200b85ddc85c5963b964b4f3d03d95796b4b8e5bbb8a0

  • Size

    382KB

  • Sample

    220521-barp1abfa5

  • MD5

    4299f919d0ee64d0bbe33fedd6889292

  • SHA1

    09fe75f09395ab5a020659a5dd40844533f81ca0

  • SHA256

    6e2b332abcf7beace6b200b85ddc85c5963b964b4f3d03d95796b4b8e5bbb8a0

  • SHA512

    ebff8e1a69977238b31b1d02d89c85f197ef0d4b58c182b94e293552cfac2b721eeaedcbef6595e93bcad330c308c490934bc614aedf86fa64c498240dac4d18

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.haden-tours.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    In-159753

Targets

    • Target

      Re Adjustment for advance payment.exe

    • Size

      432KB

    • MD5

      aa220026598313120a0b3dea340181f7

    • SHA1

      316c9d4f64fe59affa710c3be49a356201e0f86f

    • SHA256

      eca9c62b5b3b909e187bb118c1111cae37b93aef4eba62a452e27a69d2774020

    • SHA512

      643b85e14f8586491d2502bb779188aad3fd610d9baa8d0b0d5ea7f08135bf0b9f0e032efebbeff9950585ffff64f75806b255be793d723bfd8d88fb1452e67a

    • AgentTesla

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

    • AgentTesla Payload

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks