Overview

overview

10

Static

static

1

KolmiFix.exe

windows7-x64

1

KolmiFix.exe

windows10-2004-x64

10

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General

  • Target

    KolmiFix.exe

  • Size

    17KB

  • Sample

    230403-qcgedaeh76

  • MD5

    6848af88e476c5d9a324497e75adf6ac

  • SHA1

    b1179f55827d2d363b21eab7212a185c65391735

  • SHA256

    c226b13ea5921343c742ea33df610ade6eba2dadae990b6e9c83be783f7990c7

  • SHA512

    d6486e7832fa5162f2f52c4cd3f3ed85b7655cea4af72ff66abeb28bbadc4d14dd29792ee417a0f6b9ad8c5ec116473208cebadeb586f6a194f348f970163a31

  • SSDEEP

    384:pQP+u6A3q724S9ozb1cj/0tOI/V0gpn2qxxwE0QXNVlRfJXNnPpf6CSusRfen:pYt6bb1cz0tOI/V0gpn2qxxwE33bPhbz

Score
10/10
quasarwindows11bootkitpersistencespywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

Windows11

C2

192.168.1.170:4782

Mutex

2340864e-f432-4ace-82d7-18f1f0e03221

Attributes
  • encryption_key

    BFEEE33DB9AE972CC7CC49227AC88BA26A4D8993

  • install_name

    Windows11.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    WindowsUpdate

  • subdirectory

    WindowsUpdater

Targets

    • Target

      KolmiFix.exe

    • Size

      17KB

    • MD5

      6848af88e476c5d9a324497e75adf6ac

    • SHA1

      b1179f55827d2d363b21eab7212a185c65391735

    • SHA256

      c226b13ea5921343c742ea33df610ade6eba2dadae990b6e9c83be783f7990c7

    • SHA512

      d6486e7832fa5162f2f52c4cd3f3ed85b7655cea4af72ff66abeb28bbadc4d14dd29792ee417a0f6b9ad8c5ec116473208cebadeb586f6a194f348f970163a31

    • SSDEEP

      384:pQP+u6A3q724S9ozb1cj/0tOI/V0gpn2qxxwE0QXNVlRfJXNnPpf6CSusRfen:pYt6bb1cz0tOI/V0gpn2qxxwE33bPhbz

    Score
    10/10
    quasarwindows11bootkitpersistencespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks