General

  • Target

    Windows_Activator.msi

  • Size

    91.7MB

  • Sample

    250328-1g6j6stls2

  • MD5

    16bb1e428b2b74fe63b3a927a08bb78c

  • SHA1

    6ce14b587b463bb997ce972dbde1d1a67549f55f

  • SHA256

    e8abbc51707b68cca30ecfe80efd6eeee973eb9db5c59435235273064385e215

  • SHA512

    a389e44dfcbe1245e16f7e7947dd7b5e727bb78796a62284e65887ec40da0dc36f3c87bf3470eec79e5d3e859ab6902405c5dac387986045c97b997ed54fa6de

  • SSDEEP

    1572864:QexuiLcspU3rbhowV2e5t+H7b8REE+T649ua4GWbslX3hriLaIIPXEK3:Qe9LcsArVL5tzE7T64wa4GdX3hriLahb

Malware Config

Targets

    • Target

      Windows_Activator.msi

    • Size

      91.7MB

    • MD5

      16bb1e428b2b74fe63b3a927a08bb78c

    • SHA1

      6ce14b587b463bb997ce972dbde1d1a67549f55f

    • SHA256

      e8abbc51707b68cca30ecfe80efd6eeee973eb9db5c59435235273064385e215

    • SHA512

      a389e44dfcbe1245e16f7e7947dd7b5e727bb78796a62284e65887ec40da0dc36f3c87bf3470eec79e5d3e859ab6902405c5dac387986045c97b997ed54fa6de

    • SSDEEP

      1572864:QexuiLcspU3rbhowV2e5t+H7b8REE+T649ua4GWbslX3hriLaIIPXEK3:Qe9LcsArVL5tzE7T64wa4GdX3hriLahb

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Creates new service(s)

    • Disables Task Manager via registry modification

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Drops startup file

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Checks computer location settings

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

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Modifies WinLogon for persistence

MITRE ATT&CK Enterprise v15

Tasks