Overview

overview

10

Static

static

10

Quasar.v1.4.1.zip

windows10-2004-x64

10

Quasar v1....ar.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    253s
  • max time network
    203s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-11-2024 22:03

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General

  • Target

    Quasar.v1.4.1.zip

  • Size

    3.3MB

  • MD5

    13aa4bf4f5ed1ac503c69470b1ede5c1

  • SHA1

    c0b7dadff8ac37f6d9fd00ae7f375e12812bfc00

  • SHA256

    4cdeb2eae1cec1ab07077142313c524e9cf360cdec63497538c4405c2d8ded62

  • SHA512

    767b03e4e0c2a97cb0282b523bcad734f0c6d226cd1e856f6861e6ae83401d0d30946ad219c8c5de3c90028a0141d3dc0111c85e0a0952156cf09e189709fa7d

  • SSDEEP

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

Score
10/10
quasarspywaretrojan

Malware Config

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar
  • Quasar family
    quasar
  • Quasar payload 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Quasar.v1.4.1.zip"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3848
    • C:\Users\Admin\AppData\Local\Temp\7zO80FBB668\Quasar.exe
      "C:\Users\Admin\AppData\Local\Temp\7zO80FBB668\Quasar.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1904
    • C:\Users\Admin\AppData\Local\Temp\7zO80FC3898\Quasar.exe
      "C:\Users\Admin\AppData\Local\Temp\7zO80FC3898\Quasar.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4092
    • C:\Users\Admin\AppData\Local\Temp\7zO80F4765B\Quasar.exe
      "C:\Users\Admin\AppData\Local\Temp\7zO80F4765B\Quasar.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2136
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2568

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\7zO80FBB668\Quasar.exe
      Filesize

      1.2MB

      MD5

      12ebf922aa80d13f8887e4c8c5e7be83

      SHA1

      7f87a80513e13efd45175e8f2511c2cd17ff51e8

      SHA256

      43315abb9c8be9a39782bd8694a7ea9f16a867500dc804454d04b8bf2c15c51e

      SHA512

      fda5071e15cf077d202b08db741bbfb3dbd815acc41deec7b7d44e055cac408e2f2de7233f8f9c5c618afd00ffc2fc4c6e8352cbdf18f9aab55d980dcb58a275

      Download Submit

    • memory/1904-56-0x00007FF832D10000-0x00007FF832F05000-memory.dmp

      Filesize

      2.0MB

      Download

    • memory/1904-57-0x000002554B690000-0x000002554B7C8000-memory.dmp

      Filesize

      1.2MB

      Download

    • memory/1904-58-0x00007FF832D10000-0x00007FF832F05000-memory.dmp

      Filesize

      2.0MB

      Download