Overview

overview

10

Static

static

10

Client-built.exe

windows10-1703-x64

10

Client-built.exe

windows10-2004-x64

10

Client-built.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    348KB

  • MD5

    7417acf481d2a877440bd418c5afe2da

  • SHA1

    e9dda5483ced02311f62b9513b7f1d78a64dbf35

  • SHA256

    25638adc58258b7cf219102603fa943bec094b36461f44d5756eec905618f5b4

  • SHA512

    4a24fdf8cbdf292b32f12434e6e5edec75820e1ae6f32bbc4eabc94a273bec3c85cf49bc655a44f7ea81357cd157c45f0c7fd2e2ccd7292c3a15093a4defdf7a

  • SSDEEP

    6144:sFIDkAT6QSkszJqpOYqEQW00cyvbltIL2POyW:w6iksvbeW2POyW

Score
10/10
office04quasar

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Office04

C2

torbrowser-39837.portmap.host:39837

Mutex

QSR_MUTEX_Dq06HA8gJ19zsCNkvK

Attributes
  • encryption_key

    KoNfP9pA61MZjMSxxNag

  • install_name

    WindowsSound.exe

  • log_directory

    Logs

  • reconnect_delay

    200

  • startup_key

    WindowsSound

  • subdirectory

    SystemSoundClient

Signatures

  • Quasar family
    quasar
  • Quasar payload 1 IoCs
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

Files

  • Client-built.exe
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections