Overview

overview

10

Static

static

10

Client-built.exe

windows10-ltsc 2021-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    241110-whjpks1hll

  • MD5

    64883e389e15c6d937ec877f70be133b

  • SHA1

    9db3db888d02b722eb884d4420ac8c87333d4c35

  • SHA256

    8cbf4bc37d1cdcd9448ee1b1e0ccd78e1c086c4f3204fb416eb5ef54cd560dd1

  • SHA512

    e9b88f75c978110d8867451f717d1d8cc7778f35895e445f712440913ddbc63cfa795eff36b82ca9b399d02d1577495b2f863cc6d12337482278d5e616418858

  • SSDEEP

    49152:/vrhBYjCO4Dt2d5aKCuVPzlEmVQL0wvwkabuNkSgLoGVrFcTHHB72eh2NT:/vjt2d5aKCuVPzlEmVQ0wvwfbuNkS+

Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

gorodpro-37914.portmap.host:37914

Mutex

1c5ec883-e96d-4a3a-9035-7a940d47aeb7

Attributes
  • encryption_key

    99E87F88E9E967A51725453CB8223ADDB8256DE2

  • install_name

    WindowsDefender.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Defender

  • subdirectory

    WindowsDefender

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      64883e389e15c6d937ec877f70be133b

    • SHA1

      9db3db888d02b722eb884d4420ac8c87333d4c35

    • SHA256

      8cbf4bc37d1cdcd9448ee1b1e0ccd78e1c086c4f3204fb416eb5ef54cd560dd1

    • SHA512

      e9b88f75c978110d8867451f717d1d8cc7778f35895e445f712440913ddbc63cfa795eff36b82ca9b399d02d1577495b2f863cc6d12337482278d5e616418858

    • SSDEEP

      49152:/vrhBYjCO4Dt2d5aKCuVPzlEmVQL0wvwkabuNkSgLoGVrFcTHHB72eh2NT:/vjt2d5aKCuVPzlEmVQ0wvwfbuNkS+

    Score
    10/10
    quasaroffice04discoveryspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks