Overview

overview

10

Static

static

10

Quasar v1....ar.exe

windows7-x64

10

Quasar v1....ar.exe

windows10-2004-x64

10

Quasar v1....nt.exe

windows7-x64

10

Quasar v1....nt.exe

windows10-2004-x64

10

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General

  • Target

    Quasar.v1.4.1.zip

  • Size

    3.3MB

  • Sample

    241208-qt9r9avmfy

  • MD5

    13aa4bf4f5ed1ac503c69470b1ede5c1

  • SHA1

    c0b7dadff8ac37f6d9fd00ae7f375e12812bfc00

  • SHA256

    4cdeb2eae1cec1ab07077142313c524e9cf360cdec63497538c4405c2d8ded62

  • SHA512

    767b03e4e0c2a97cb0282b523bcad734f0c6d226cd1e856f6861e6ae83401d0d30946ad219c8c5de3c90028a0141d3dc0111c85e0a0952156cf09e189709fa7d

  • SSDEEP

    49152:lYLmNgMh/9yUsRFeWMyYISDSwtfxZQNemi57PdHmeFINp/lFnsDbNFNepL6DJo+J:mL9U1yUUQykOQ91XFYBlR8P9d5uNJo9

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Attributes
  • reconnect_delay

    5000

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

10.127.0.174:4782

Mutex

6b3e3e81-b8df-452c-aaca-389f08ef032c

Attributes
  • encryption_key

    EA12945330DD5176251D629AC033CFF37AB2A0BA

  • install_name

    nigger.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Quasar v1.4.1/Quasar.exe

    • Size

      1.2MB

    • MD5

      12ebf922aa80d13f8887e4c8c5e7be83

    • SHA1

      7f87a80513e13efd45175e8f2511c2cd17ff51e8

    • SHA256

      43315abb9c8be9a39782bd8694a7ea9f16a867500dc804454d04b8bf2c15c51e

    • SHA512

      fda5071e15cf077d202b08db741bbfb3dbd815acc41deec7b7d44e055cac408e2f2de7233f8f9c5c618afd00ffc2fc4c6e8352cbdf18f9aab55d980dcb58a275

    • SSDEEP

      12288:IwPs012cBBBYiL9l/bFfpBBBBBBBBBBBBcA:jBBBYiLvzFfpBBBBBBBBBBBBcA

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2

    • Target

      Quasar v1.4.1/client.bin

    • Size

      3.1MB

    • MD5

      f4d16cfe4cad388255e43f258329f805

    • SHA1

      fe7cc6c9eb76b5ad97867b46d053fae601fd4a2d

    • SHA256

      8fb6ae3496d4ac025eab443d3e322b0faa3461d25b54093c9205d35746e3250e

    • SHA512

      867045eac0f7765e6bea51e62bc4ed68b1e81ce6c2843d2e08714eb391a8ac94c2571c09828286252248400ea5c12bffa50a25c8ec5ad9e6d0bb836320ec188f

    • SSDEEP

      49152:4nb7+y2FqZaVmN+PqlhU/mevlL1nYtsCeAcxUuxG2THHB72eh2NT:4nf+y2FqZaVmN+PqlhU//vlL1Yts3Bx

    Score
    10/10
    quasarspywaretrojan
    behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks