Overview

overview

10

Static

static

10

control.sk...io.exe

windows10-2004-x64

10

control.sk...io.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    control.skyupdragon.io.exe
  • Size 3.1MB
  • Sample260621-jtehsac171
  • SHA256 519c4e6271a49797603ee669f8597e9296c0b100b2386bce1a00aef4a8fd2243
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04discoveryexecutionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • control.skyupdragon.io:80

  • control.skyupdragon.io:443

  • control.skyupdragon.io:8089

  • control.skyupdragon.io:7777

  • control.skyupdragon.io:25

  • control.skyupdragon.io:22

  • control.skyupdragon.io:53

  • www.control.skyupdragon.io:80

  • www.control.skyupdragon.io:443

  • www.control.skyupdragon.io:8089

  • www.control.skyupdragon.io:7777

  • www.control.skyupdragon.io:25

  • www.control.skyupdragon.io:22

  • www.control.skyupdragon.io:53

Mutex

  • fbf8f2a3-e4c1-4fbe-9ec0-c553649eafda

Attributes
  • encryption_key

    1F31CD0582BA6FBDA903BF4F947CCB13B60528E3

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      control.skyupdragon.io.exe
    • Size 3.1MB
    • SHA256 519c4e6271a49797603ee669f8597e9296c0b100b2386bce1a00aef4a8fd2243
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04discoveryexecutionquasarpersistencespywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks