Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    502KB

  • Sample

    241213-l1nq5svkgy

  • MD5

    05aa0a6d16f1dabf72b4c880a5d357d0

  • SHA1

    4a3ebaa010ba5306cd09c07eb26bbe99ff46496f

  • SHA256

    fdba9e9d51c62d59de744a179a50ce9f5838af549f30f5b87c8175dace024fee

  • SHA512

    931a147bf27a8a14db99b8f6480dddfa2bd1e0b4aaa59092552ef93e9f93adddbcb71d7d9c7a1f45f7854e32d16555dc7f3be701a2df9578a9e99349e972758a

  • SSDEEP

    6144:pTEgdc0YZXAGbgiIN2RSBX/bbVbkbLyUR3mRfbNcEIHb8F9w/Vg6cTR3K:pTEgdfY1bg7bNk2RB4kiVPcdK

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

Office04

C2

69.160.242.105:4782

69.160.242.105:11066
Mutex

66661e0f-33c3-4f2f-88be-1634de535cd1

Attributes
  • encryption_key

    CBED6820557E8011D93BA51D49F569DE8C1F98B4

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    java updater

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      502KB

    • MD5

      05aa0a6d16f1dabf72b4c880a5d357d0

    • SHA1

      4a3ebaa010ba5306cd09c07eb26bbe99ff46496f

    • SHA256

      fdba9e9d51c62d59de744a179a50ce9f5838af549f30f5b87c8175dace024fee

    • SHA512

      931a147bf27a8a14db99b8f6480dddfa2bd1e0b4aaa59092552ef93e9f93adddbcb71d7d9c7a1f45f7854e32d16555dc7f3be701a2df9578a9e99349e972758a

    • SSDEEP

      6144:pTEgdc0YZXAGbgiIN2RSBX/bbVbkbLyUR3mRfbNcEIHb8F9w/Vg6cTR3K:pTEgdfY1bg7bNk2RB4kiVPcdK

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks