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

    241029-zazydazcjm

  • MD5

    1e6dc980a23fe52763adff15539cde1a

  • SHA1

    1c98e8583b306a7c8b5d85b98af872f9658e95da

  • SHA256

    f476d4a86bf9063ba1334eee663c9a45845ba503c8401dad9de284efa6e89e64

  • SHA512

    2ad6297bf837bd10ea5ceb328940c56ddc6e85015d087e37e3edb2ebebbd28155019879211edeb9df4190e3b22c8b18ab5c316519bff0d3b99c54a67a0941d68

  • SSDEEP

    49152:fvhgo2QSaNpzyPllgamb0CZof/JB6x31v4LoG5STHHB72eh2NT:fvSo2QSaNpzyPllgamYCZof/JB6x4

Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

testforum.ddns.net:4782

91.240.139.230:4782

testforum.ddns.net:4444

testforum.ddns.net:443

warm-shirts-stop.loca.lt:4782
Mutex

3d4f7428-4c44-4610-9897-073f6812e70a

Attributes
  • encryption_key

    81646F2B6BFC1777912CC29649A1EF0DF8102344

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      1e6dc980a23fe52763adff15539cde1a

    • SHA1

      1c98e8583b306a7c8b5d85b98af872f9658e95da

    • SHA256

      f476d4a86bf9063ba1334eee663c9a45845ba503c8401dad9de284efa6e89e64

    • SHA512

      2ad6297bf837bd10ea5ceb328940c56ddc6e85015d087e37e3edb2ebebbd28155019879211edeb9df4190e3b22c8b18ab5c316519bff0d3b99c54a67a0941d68

    • SSDEEP

      49152:fvhgo2QSaNpzyPllgamb0CZof/JB6x31v4LoG5STHHB72eh2NT:fvSo2QSaNpzyPllgamYCZof/JB6x4

    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