General

  • Target

    8a45f8d43edd1bc230b016283817a9e9d3ce79a6d03d070d3d11680b301922f9.vbs

  • Size

    561KB

  • Sample

    240924-kzz74syckj

  • MD5

    e4aec52d2cb3ee69feadc9eb2961c9b7

  • SHA1

    5e1c99f1bd14a14d5fd9031619187a2a616b3a4b

  • SHA256

    8a45f8d43edd1bc230b016283817a9e9d3ce79a6d03d070d3d11680b301922f9

  • SHA512

    d7b026b1ddccd46728095cf7eb44e6476058b70294e3abd868314f494df36db64f9e86cf6e252b70fdfed27b5f0e2e3b2b224c9a4e4406aa952d0c291437e9d4

  • SSDEEP

    1536:kmmmmmmmmmmmmmmmmmmyFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFT:k5oGc

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

https://drive.google.com/uc?export=download&id=

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.desckvbrat.com.br
  • Port:
    21
  • Username:
    desckvbrat1
  • Password:
    developerpro21578Jp@@

Targets

    • Target

      8a45f8d43edd1bc230b016283817a9e9d3ce79a6d03d070d3d11680b301922f9.vbs

    • Size

      561KB

    • MD5

      e4aec52d2cb3ee69feadc9eb2961c9b7

    • SHA1

      5e1c99f1bd14a14d5fd9031619187a2a616b3a4b

    • SHA256

      8a45f8d43edd1bc230b016283817a9e9d3ce79a6d03d070d3d11680b301922f9

    • SHA512

      d7b026b1ddccd46728095cf7eb44e6476058b70294e3abd868314f494df36db64f9e86cf6e252b70fdfed27b5f0e2e3b2b224c9a4e4406aa952d0c291437e9d4

    • SSDEEP

      1536:kmmmmmmmmmmmmmmmmmmyFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFT:k5oGc

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Drops startup file

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks