General

  • Target

    xd.png

  • Size

    1.3MB

  • Sample

    241123-bm39kaznfn

  • MD5

    4e455c84cb6ecca8ee4142754e98ecbf

  • SHA1

    b6ca5e0f9d29d3e8e2c794b6d262a66d5995d4c3

  • SHA256

    41f3c09ef3c8c2c84d99a8ceda329db7deb49289057bd6eb900902cc876f3313

  • SHA512

    b271b094e8dbebe32674bb324e2b6655572063967c76c98933ceb0c5f6cc27635982c389e4855463f43353e258b1dce501de3f05150312046154a8c7ac00de72

  • SSDEEP

    24576:ArLajNhisqUM21DvHun+oz6FkTFHQGubnxFR8/mE0NrmyJB9:ArON0sxMEvHunb+GL0QyJH

Malware Config

Targets

    • Target

      xd.png

    • Size

      1.3MB

    • MD5

      4e455c84cb6ecca8ee4142754e98ecbf

    • SHA1

      b6ca5e0f9d29d3e8e2c794b6d262a66d5995d4c3

    • SHA256

      41f3c09ef3c8c2c84d99a8ceda329db7deb49289057bd6eb900902cc876f3313

    • SHA512

      b271b094e8dbebe32674bb324e2b6655572063967c76c98933ceb0c5f6cc27635982c389e4855463f43353e258b1dce501de3f05150312046154a8c7ac00de72

    • SSDEEP

      24576:ArLajNhisqUM21DvHun+oz6FkTFHQGubnxFR8/mE0NrmyJB9:ArON0sxMEvHunb+GL0QyJH

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Downloads MZ/PE file

    • Event Triggered Execution: Image File Execution Options Injection

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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.

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Network Share Discovery

      Attempt to gather information on host network.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks