Overview

overview

10

Static

static

10

254cf51a4d...25.exe

windows7-x64

10

254cf51a4d...25.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    254cf51a4dbea382bb7ec299a394047fb52bbb145b6cbb2d91af8fe63475c025

  • Size

    3.1MB

  • MD5

    5b7e88af055d1b4337e59507c8eba187

  • SHA1

    588cc4e8665f86e5fe1b9bf50597bf67e564094e

  • SHA256

    254cf51a4dbea382bb7ec299a394047fb52bbb145b6cbb2d91af8fe63475c025

  • SHA512

    caa8217152f4aee869d17cbde5d1eb0508737d70a702055724dad7389b63057d754c98a32f9d48cdee98bc35f3b3ba3013392782acdafcf372fc2becb7b71ae6

  • SSDEEP

    49152:mvyI22SsaNYfdPBldt698dBcjH3MQmRmzJjoGdSd7loTHHB72eh2NT:mvf22SsaNYfdPBldt6+dBcjH8QmgA

Score
10/10
office04quasar

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.0.103:4782

Mutex

4af63002-10c8-4aa5-8c63-b93df49aa916

Attributes
  • encryption_key

    27CFF25A872374DDAAA32E502C2DC500EFFE191D

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Signatures

  • Detects Windows executables referencing non-Windows User-Agents 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables containing common artifacts observed in infostealers 1 IoCs
  • Quasar family
    quasar
  • Quasar payload 1 IoCs
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

Files

  • 254cf51a4dbea382bb7ec299a394047fb52bbb145b6cbb2d91af8fe63475c025
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections