General

  • Target

    06580710d8cb2a275f915b920fcd25a3

  • Size

    880KB

  • Sample

    230330-2q8assgc3z

  • MD5

    06580710d8cb2a275f915b920fcd25a3

  • SHA1

    fe11b78aaf1a22cd9c99e2c5324174d0a5f8786c

  • SHA256

    254fff00f95947643774f905eb4889ff0832a181df542e187bcff1bbef803e5d

  • SHA512

    86985c8f78b22b4261b313462da89461e382cb2fb769ee481f942224f492cb3cb07b610d1db484fd2337a9a1afec183034f2bb3d59ccc04df96065f5b4ea61a8

  • SSDEEP

    24576:Sl2gSPlbeI8bVEgH2XqMQP8dOLagKjteef3m27D8imX:wjwbr8bVakkeYj8ej

Malware Config

Targets

    • Target

      06580710d8cb2a275f915b920fcd25a3

    • Size

      880KB

    • MD5

      06580710d8cb2a275f915b920fcd25a3

    • SHA1

      fe11b78aaf1a22cd9c99e2c5324174d0a5f8786c

    • SHA256

      254fff00f95947643774f905eb4889ff0832a181df542e187bcff1bbef803e5d

    • SHA512

      86985c8f78b22b4261b313462da89461e382cb2fb769ee481f942224f492cb3cb07b610d1db484fd2337a9a1afec183034f2bb3d59ccc04df96065f5b4ea61a8

    • SSDEEP

      24576:Sl2gSPlbeI8bVEgH2XqMQP8dOLagKjteef3m27D8imX:wjwbr8bVakkeYj8ej

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Modifies Windows Defender Real-time Protection settings

    • Modifies security service

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • UAC bypass

    • Windows security bypass

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks