Overview

overview

10

Static

static

10

745a69ac20...02.exe

windows7-x64

10

745a69ac20...02.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    745a69ac20dbb2482e7512bbc14950fa41bf78dbd0a5afda0396c8d897b50002

  • Size

    3.1MB

  • MD5

    ed8542b4688d70d42d77fad98e5969b0

  • SHA1

    808666505eeca15e9a7a15b95ff439497a9f1dcf

  • SHA256

    745a69ac20dbb2482e7512bbc14950fa41bf78dbd0a5afda0396c8d897b50002

  • SHA512

    72fc0930a4e51eb7a7b76bac97c64c9bb8e8fe30a406b294a824ecc721677c212d409368a6bca595b0ee82449d80cf7c09f4a063bbe7ee47ebcba30c5c3b6a45

  • SSDEEP

    49152:KvyI22SsaNYfdPBldt698dBcjH672lSt3oGdITHHB72eh2NT:Kvf22SsaNYfdPBldt6+dBcjH62lS9

Score
10/10
office04quasar

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

10.127.0.54:4782

Mutex

76898c6c-aad7-493e-ad05-6bb072bc1ab9

Attributes
  • encryption_key

    E0AA33A7353AC58B6995079C718A83EE5609573D

  • install_name

    Twrek.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

  • 745a69ac20dbb2482e7512bbc14950fa41bf78dbd0a5afda0396c8d897b50002
    .exe windows:4 windows x86 arch:x86

    f34d5f2d4577ed6d9ceec516c1f5a744


    Headers

    Imports

    Sections