General

  • Target

    FFD551A66208B73CEE933FC4E27C449B8EABB0ACB0FE2.exe

  • Size

    5.2MB

  • Sample

    220724-mty4zacgbm

  • MD5

    f7389b83ba7eaedeae31eda31412db06

  • SHA1

    ccfd2e456ccf2c8cc24942797805ad4d15a6d860

  • SHA256

    ffd551a66208b73cee933fc4e27c449b8eabb0acb0fe27ad251844e2fb8821d1

  • SHA512

    ac7f8ef5e4736e6fcb0f54c88761095dbcb09cec44d35b1efcfb7cbc03341049fc55410ad49925399ea8e56ea02d5c1ad1c20fb4c344d3027fbb7873f45aa4a9

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    157.230.124.151
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    chichi001

Targets

    • Target

      FFD551A66208B73CEE933FC4E27C449B8EABB0ACB0FE2.exe

    • Size

      5.2MB

    • MD5

      f7389b83ba7eaedeae31eda31412db06

    • SHA1

      ccfd2e456ccf2c8cc24942797805ad4d15a6d860

    • SHA256

      ffd551a66208b73cee933fc4e27c449b8eabb0acb0fe27ad251844e2fb8821d1

    • SHA512

      ac7f8ef5e4736e6fcb0f54c88761095dbcb09cec44d35b1efcfb7cbc03341049fc55410ad49925399ea8e56ea02d5c1ad1c20fb4c344d3027fbb7873f45aa4a9

    • AgentTesla

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

    • NetWire RAT payload

    • Netwire

      Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

    • AgentTesla payload

    • Executes dropped EXE

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • 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 Enterprise v6

Tasks