Overview

overview

10

Static

static

10

Client.exe

windows10-2004-x64

10

Client.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Client.exe
  • Size 3.1MB
  • Sample261027-p3wfjsc161
  • SHA256 fa873e022e9b882276b53d00b992ba13397dfd64e311ab43afb5788920147638
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasarclientdiscoveryexecutionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Client

C2

  • lamberryorganics.co.nz:4782

  • lamberryorganics.co.nz:443

  • lamberryorganics.co.nz:6606

  • lamberryorganics.co.nz:53

  • lamberryorganics.co.nz:43

  • lamberryorganics.co.nz:80

  • lamberryorganics.co.nz:81

  • henryfitzherbert.co.uk:81

  • henryfitzherbert.co.uk:80

  • henryfitzherbert.co.uk:8080

  • henryfitzherbert.co.uk:443

  • gfcs.in.net:443

  • gfcs.in.net:40

  • gfcs.in.net:80

  • gfcs.in.net:81

  • gfcs.in.net:8080

  • metamax.uk.net:8080

  • metamax.uk.net:80

  • metamax.uk.net:81

  • metamax.uk.net:443

Mutex

  • 539aeae4-7e5e-4483-b21d-7005f5c00923

Attributes
  • encryption_key

    61D61573755A2E8791F777F44FE72A8C404B3F90

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    ThunderBird

  • subdirectory

    ThunderBird

Targets

    • Target
      Client.exe
    • Size 3.1MB
    • SHA256 fa873e022e9b882276b53d00b992ba13397dfd64e311ab43afb5788920147638
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    clientdiscoveryexecutionquasarpersistencespywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks