Overview

overview

10

Static

static

10

0271a32255...55.exe

windows7-x64

10

0271a32255...55.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    0271a3225575d5dfa4c75eb5613b6f2fb8247ccdcd7ec5bb259d68a870e42255

  • Size

    3.1MB

  • MD5

    595d310adf8247e534aca9417f9df3d8

  • SHA1

    2cbc901f98aa5e9175d9302a54a33a1c035c4889

  • SHA256

    0271a3225575d5dfa4c75eb5613b6f2fb8247ccdcd7ec5bb259d68a870e42255

  • SHA512

    819b7824b8556359693d7687f8b3810f40cc98d94643bbdcffb7eaa712864514b13fb45d26bb226a3021028a2790aaa404a7884fc2e28dd2b633c5a6c0f1611b

  • SSDEEP

    49152:CviI22SsaNYfdPBldt698dBcjHkc167bR5LoGXETHHB72eh2NT:Cvv22SsaNYfdPBldt6+dBcjHN16v

Score
10/10
office04quasar

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

104.238.170.242:4782

Mutex

11dd8fc5-50bf-49fd-8a8e-0e211e595b17

Attributes
  • encryption_key

    CA43CE8506261BD891F5FECE77AD42C80F33E7EB

  • 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

  • 0271a3225575d5dfa4c75eb5613b6f2fb8247ccdcd7ec5bb259d68a870e42255
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections