Overview

overview

10

Static

static

10

Client-built.exe

windows10-ltsc_2021-x64

10

Client-built.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • MD5

    20e2ad97770afcb29a641ada5db33fe3

  • SHA1

    96931794912869c9f83e5e9a091bd290257f5b8b

  • SHA256

    3a3fd0e996477049a63b779dda5d31c20ebbae2b8733f3224ee7a2a88350175f

  • SHA512

    fc386626fef804a2aa221ebb3f420b7b5c2e63c359b5bdc915d9bc9ad72f8daea025329afd5e381f253635fdda681099a79f72283dbd6d22bfdde6bb519d6ac7

  • SSDEEP

    49152:+vht62XlaSFNWPjljiFa2RoUYIYFRJ6bbR3LoGdOcTHHB72eh2NT:+vL62XlaSFNWPjljiFXRoUYIYFRJ6te

Score
10/10
office04quasar

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.1.117:4782

Mutex

a7074e5e-ed13-4240-b2bd-3139cf111cf4

Attributes
  • encryption_key

    B1A93851F2B7AB11E1C412D6A94DD30CC9FC53BD

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    java update

  • subdirectory

    SubDir

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