Overview

overview

8

Static

static

3

bitcomet_setup.exe

windows10-2004-x64

7

bitcomet_setup.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/07/2026, 17:11

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General

  • Target
    bitcomet_setup.exe
  • Size 2.9MB
  • Sample260730-vqdmvsshjf
  • SHA256 61fb5d019abeafb092a53bba24c7e004b59f319e642ae7c9a4cda8f111128d0b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoveryinstaller

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 12 IoCs
  • Checks for any installed AV software in registry 1 TTPs 6 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 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Inno Setup is an open-source installation builder for Windows applications. 2 IoCs

    Inno Setup installer

    installer
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 64 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bitcomet_setup.exe
    "C:\Users\Admin\AppData\Local\Temp\bitcomet_setup.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Users\Admin\AppData\Local\Temp\is-V7ZA337NLU.tmp\bitcomet_setup.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-V7ZA337NLU.tmp\bitcomet_setup.tmp" /SL5="$70230,1697709,940544,C:\Users\Admin\AppData\Local\Temp\bitcomet_setup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks for any installed AV software in registry
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3120
      • C:\Users\Admin\AppData\Local\Temp\is-QJS5RDYLLQ.tmp\prod_m_extract\BitComet_2.21_setup.exe
        "C:\Users\Admin\AppData\Local\Temp\is-QJS5RDYLLQ.tmp\prod_m_extract\BitComet_2.21_setup.exe" /S
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:3452
        • C:\Program Files\BitComet\tools\BitCometService.exe
          "C:\Program Files\BitComet\tools\BitCometService.exe" /reg
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:664

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        BitComet.exe
        • Path C:\Program Files\BitComet\BitComet.exe
        • Size 30.3MB
        • SHA256 5eadd865a4c95133ff9251ebf38626d842788ac8b3aa297c611faab3870a14b9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        bitcomet-it.mo
        • Path C:\Program Files\BitComet\lang\bitcomet-it.mo
        • Size 260KB
        • SHA256 8d3bb2874a31661d2c6fe19dba2f87e186030fdc54785e666cef0c0460cd197e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        BitCometAgent_1.92.7.9.dll
        • Path C:\Program Files\BitComet\tools\BitCometAgent_1.92.7.9.dll
        • Size 871KB
        • SHA256 32cac384e0361a7538aca9b31e50ff4bbe6666a0567b062083610643351ba1fb
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        uninst.exe
        • Path C:\Program Files\BitComet\uninst.exe
        • Size 1.2MB
        • SHA256 7faa56cf958e965af452b09e0cb6dd56015fbe0f250cf355a7c2e3e8dbeacaa0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        Avast_BRW.png
        • Path C:\Users\Admin\AppData\Local\Temp\is-QJS5RDYLLQ.tmp\Avast_BRW.png
        • Size 29KB
        • SHA256 f29ab86815e8cd580dc0111196003d43396f75e1102ac40831d93282cea08617
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        BitComet_2.21_setup.zip
        • Path C:\Users\Admin\AppData\Local\Temp\is-QJS5RDYLLQ.tmp\BitComet_2.21_setup.zip
        • Size 37.6MB
        • SHA256 413231c1bad2f6bef9a20ab3a63db7de30dd08a9289a7bb290d2aac4b0047324
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WebAdvisor.png
        • Path C:\Users\Admin\AppData\Local\Temp\is-QJS5RDYLLQ.tmp\WebAdvisor.png
        • Size 33KB
        • SHA256 494169cdd9c79eb4668378f770bfa55d4b140f23a682ff424441427dfab0ced2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        logo.png
        • Path C:\Users\Admin\AppData\Local\Temp\is-QJS5RDYLLQ.tmp\logo.png
        • Size 7KB
        • SHA256 a0c2075d0fdb1b5274acdd5eba04a9b83cb1a53e5b065a7b65ca22172d56a56e
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        prod0.zip
        • Path C:\Users\Admin\AppData\Local\Temp\is-QJS5RDYLLQ.tmp\prod0.zip
        • Size 515KB
        • SHA256 cc6f4faf4e8a9f4d2269d1d69a69ea326f789620fb98078cc98597f3cb998589
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        BitComet_2.21_setup.exe
        • Path C:\Users\Admin\AppData\Local\Temp\is-QJS5RDYLLQ.tmp\prod_m_extract\BitComet_2.21_setup.exe
        • Size 37.7MB
        • SHA256 2bb0ac769fe8b75b1b1b8ca42fa55d29d94aaf68480611538dbb4395d05082d2
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        zbShieldUtils.dll
        • Path C:\Users\Admin\AppData\Local\Temp\is-QJS5RDYLLQ.tmp\zbShieldUtils.dll
        • Size 2.0MB
        • SHA256 8aa3eca63350a70ca97f39867f842ddcbb153254f58c0e97fadbdb528e2cab79
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        bitcomet_setup.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\is-V7ZA337NLU.tmp\bitcomet_setup.tmp
        • Size 4.2MB
        • SHA256 389a9054e0ab0a2f3102a8302d68e973c65fc545aaf7b9fc73bf9022833ad1ce
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        BcNsisHelper.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nscCA90.tmp\BcNsisHelper.dll
        • Size 3.1MB
        • SHA256 ca0222253ab4667e62d8954ac88463d6f5822826c5894ea5e4de0c687bdb19dd
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        BitCometService.exe
        • Path C:\Users\Admin\AppData\Local\Temp\nscCA90.tmp\BitCometService.exe
        • Size 2.6MB
        • SHA256 b234be795f9472b90c7746b7189ead8ffb2e81ccfc1546d6ea93ebdb6b08010b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        System.dll
        • Path C:\Users\Admin\AppData\Local\Temp\nscCA90.tmp\System.dll
        • Size 21KB
        • SHA256 42c54657b37cf6363421052c4673514860e33bd08cfaca42df00a4437821491b
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2252-12-0x00000000007B0000-0x00000000008A4000-memory.dmp
        Download

        memory/2252-0-0x00000000007B0000-0x00000000008A4000-memory.dmp
        Download

        memory/3120-26-0x0000000003680000-0x00000000037C0000-memory.dmp
        Download

        memory/3120-41-0x0000000003680000-0x00000000037C0000-memory.dmp
        Download

        memory/3120-45-0x0000000000DB0000-0x00000000011FE000-memory.dmp
        Download

        memory/3120-40-0x0000000003680000-0x00000000037C0000-memory.dmp
        Download

        memory/3120-69-0x0000000003680000-0x00000000037C0000-memory.dmp
        Download

        memory/3120-39-0x0000000003680000-0x00000000037C0000-memory.dmp
        Download

        memory/3120-74-0x0000000000DB0000-0x00000000011FE000-memory.dmp
        Download

        memory/3120-35-0x0000000003680000-0x00000000037C0000-memory.dmp
        Download

        memory/3120-34-0x0000000000DB0000-0x00000000011FE000-memory.dmp
        Download

        memory/3120-32-0x0000000003680000-0x00000000037C0000-memory.dmp
        Download

        memory/3120-31-0x0000000003680000-0x00000000037C0000-memory.dmp
        Download

        memory/3120-25-0x0000000003680000-0x00000000037C0000-memory.dmp
        Download

        memory/3120-13-0x0000000000DB0000-0x00000000011FE000-memory.dmp
        Download

        memory/3120-14-0x0000000001270000-0x0000000001271000-memory.dmp
        Download

        memory/3120-5-0x0000000001270000-0x0000000001271000-memory.dmp
        Download

        memory/3120-269-0x0000000000DB0000-0x00000000011FE000-memory.dmp
        Download

        memory/3120-271-0x0000000000DB0000-0x00000000011FE000-memory.dmp
        Download