General

  • Target

    myomycripted.exe

  • Size

    456KB

  • Sample

    200714-yx7qjwm48e

  • MD5

    5e2115f3658e4b315a86eae9c149ef03

  • SHA1

    9172826a7530c2d9432af7f7e6a340f12badec60

  • SHA256

    a884c6f90ec51dc6d39304e05efe5820d5c11afcd90abeaca8969b4adb9448e7

  • SHA512

    da5a1d6a6e3ce853622169ba0346d316e61c1d3216104cb6ca83793f5ff104bbfd91eb63d485c56fde438e32a00daba6e65023ed3e62953218c097c5ab5cfd26

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.wolterfan.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @Mar123

Targets

    • Target

      myomycripted.exe

    • Size

      456KB

    • MD5

      5e2115f3658e4b315a86eae9c149ef03

    • SHA1

      9172826a7530c2d9432af7f7e6a340f12badec60

    • SHA256

      a884c6f90ec51dc6d39304e05efe5820d5c11afcd90abeaca8969b4adb9448e7

    • SHA512

      da5a1d6a6e3ce853622169ba0346d316e61c1d3216104cb6ca83793f5ff104bbfd91eb63d485c56fde438e32a00daba6e65023ed3e62953218c097c5ab5cfd26

    • AgentTesla

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

    • AgentTesla Payload

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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