General

  • Target

    new orders.js

  • Size

    388KB

  • Sample

    220816-hzdb8sdhbl

  • MD5

    fbbfbf5e808c73443ce1045c58993b58

  • SHA1

    32493b8d3858783d5098db1040f49d796e6475f0

  • SHA256

    41a2892987c1d6a2d2815fe7a06897b873003d65e32ead538e5de8b2b09a904a

  • SHA512

    30851c706dc2b5be2466085d4cef6994a4faaf1fa677d1012c727af6730cec88409131340d8c6fee93fd67fac004c565e51793dad451107ce4dfec3ba22b2c25

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.losbrothersconstruction.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    508135Pry

Targets

    • Target

      new orders.js

    • Size

      388KB

    • MD5

      fbbfbf5e808c73443ce1045c58993b58

    • SHA1

      32493b8d3858783d5098db1040f49d796e6475f0

    • SHA256

      41a2892987c1d6a2d2815fe7a06897b873003d65e32ead538e5de8b2b09a904a

    • SHA512

      30851c706dc2b5be2466085d4cef6994a4faaf1fa677d1012c727af6730cec88409131340d8c6fee93fd67fac004c565e51793dad451107ce4dfec3ba22b2c25

    • AgentTesla

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

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • Blocklisted process makes network request

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Checks computer location settings

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

    • Drops startup file

    • 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

MITRE ATT&CK Enterprise v6

Tasks