Overview

overview

10

Static

static

1

qbittorren...up.exe

windows7-x64

7

qbittorren...up.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    67s
  • max time network
    72s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/03/2023, 13:11

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General

  • Target
    qbittorrent_4.5.2_x64_setup.exe
  • Size 31.3MB
  • Sample230313-qe1k2aad83
  • SHA256 f2ec7fa4c5ae273d6d7181c0c9df225eb8ce8e0e85577b236c7b335c093f2e71
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
bazarloaderdiscoverydropperloader

Malware Config

Signatures

  • Bazar Loader

    Detected loader normally used to deploy BazarBackdoor malware.

    loaderdropperbazarloader
  • Bazar/Team9 Loader payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Drops file in Program Files directory 37 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 44 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of FindShellTrayWindow 9 IoCs
  • Suspicious use of SendNotifyMessage 8 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\qbittorrent_4.5.2_x64_setup.exe
    "C:\Users\Admin\AppData\Local\Temp\qbittorrent_4.5.2_x64_setup.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:488
    • C:\Program Files\qBittorrent\qbittorrent.exe
      "C:\Program Files\qBittorrent\qbittorrent.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4452

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        qbittorrent.exe
        • Path C:\Program Files\qBittorrent\qbittorrent.exe
        • Size 28.3MB
        • SHA256 8e6af6cbd3765b8d8c1dd553354a0d4ff9f7fc2eb293704845af7e66a9ccdb0a
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        qbittorrent.exe
        • Path C:\Program Files\qBittorrent\qbittorrent.exe
        • Size 28.3MB
        • SHA256 8e6af6cbd3765b8d8c1dd553354a0d4ff9f7fc2eb293704845af7e66a9ccdb0a
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        qbittorrent.exe
        • Path C:\Program Files\qBittorrent\qbittorrent.exe
        • Size 28.3MB
        • SHA256 8e6af6cbd3765b8d8c1dd553354a0d4ff9f7fc2eb293704845af7e66a9ccdb0a
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        qt.conf
        • Path C:\Program Files\qBittorrent\qt.conf
        • Size 84B
        • SHA256 fdb8fa58a6ffc14771ca2b1ef6438061a6cba638594d76d9021b91e755d030d3
        • MD5 SHA1 SHA512
        Submit Download

        FindProcDLL.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsxB405.tmp\FindProcDLL.dll
        • Size 3KB
        • SHA256 c0948b2ec36a69f82c08935fac4b212238b6792694f009b93b4bdb478c4f26e3
        • MD5 SHA1 SHA512
        Submit Download

        LangDLL.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsxB405.tmp\LangDLL.dll
        • Size 5KB
        • SHA256 18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        System.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsxB405.tmp\System.dll
        • Size 12KB
        • SHA256 8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        UAC.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsxB405.tmp\UAC.dll
        • Size 14KB
        • SHA256 2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        modern-wizard.bmp
        • Path C:\Users\Admin\AppData\Local\Temp\nsxB405.tmp\modern-wizard.bmp
        • Size 25KB
        • SHA256 3ad2dc318056d0a2024af1804ea741146cfc18cc404649a44610cbf8b2056cf2
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        nsDialogs.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsxB405.tmp\nsDialogs.dll
        • Size 9KB
        • SHA256 56b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        nsisFirewallW.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsxB405.tmp\nsisFirewallW.dll
        • Size 8KB
        • SHA256 53be5716ad80945cb99681d5dbda60492f5dfb206fbfdb776b769b3eeb18d2c2
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        nsisFirewallW.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsxB405.tmp\nsisFirewallW.dll
        • Size 8KB
        • SHA256 53be5716ad80945cb99681d5dbda60492f5dfb206fbfdb776b769b3eeb18d2c2
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        nsisFirewallW.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nsxB405.tmp\nsisFirewallW.dll
        • Size 8KB
        • SHA256 53be5716ad80945cb99681d5dbda60492f5dfb206fbfdb776b769b3eeb18d2c2
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        watched_folders.json.XeHvLD
        • Path C:\Users\Admin\AppData\Roaming\qBittorrent\watched_folders.json.XeHvLD
        • Size 4B
        • SHA256 d914176fd50bd7f565700006a31aa97b79d3ad17cee20c8e5ff2061d5cb74817
        • MD5 SHA1 SHA512
        Submit Download

        memory/4452-275-0x000002E05C550000-0x000002E05C560000-memory.dmp
        Download

        memory/4452-289-0x000002E05A540000-0x000002E05ABC1000-memory.dmp
        Download

        memory/4452-292-0x000002E05C550000-0x000002E05C560000-memory.dmp
        Download