Overview

overview

10

Static

static

10

Client-built.exe

windows10-2004-x64

10

Client-built.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample260702-zy471aby5p
  • SHA256 136017813521748b53adfa21784a6952c9f6582dd4604751d59273a496826088
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasar1discoveryexecutionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • 1

C2

  • shrek-39057.portmap.host::3120

Mutex

  • a0a4d49f-865f-4b6b-a69e-23b2cb37f4e1

Attributes
  • encryption_key

    BBF7C3715330A91497C9AC8506F4078E17FB5769

  • install_name

    ClientSysDirec.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    SyS.Logs

  • reconnect_delay

    600

  • startup_key

    LogitechGHUB

  • subdirectory

    SubDir

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 136017813521748b53adfa21784a6952c9f6582dd4604751d59273a496826088
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    1discoveryexecutionquasarpersistencespywaretrojan

    • 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