Overview

overview

7

Static

static

1

MuMuInstal...52.exe

windows10-2004-x64

7

MuMuInstal...52.exe

windows11-ltsc_2024-x64

6

Analysis

  • user interaction
    yes
  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/08/2026, 14:57

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General

  • Target
    MuMuInstaller_1.5.0.6_overseas-v2.7.23.0x64_all_1681464552.exe
  • Size 5.0MB
  • Sample260803-sbm7msdr7s
  • SHA256 510aa5c30864fe118d328452dbbd28d7ec47f6ea23b26cb5fe68ecf4a0b85fb9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10
discovery

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

    discovery
  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Suspicious behavior: LoadsDriver 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MuMuInstaller_1.5.0.6_overseas-v2.7.23.0x64_all_1681464552.exe
    "C:\Users\Admin\AppData\Local\Temp\MuMuInstaller_1.5.0.6_overseas-v2.7.23.0x64_all_1681464552.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4200
    • C:\Users\Admin\AppData\Local\Temp\7z90BB0068\nemu-downloader.exe
      C:\Users\Admin\AppData\Local\Temp\7z90BB0068\nemu-downloader.exe
      2⤵
      • Enumerates connected drives
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4220
      • C:\Users\Admin\AppData\Local\Temp\7z90BB0068\crashpad_handler.exe
        C:\Users\Admin\AppData\Local\Temp\7z90BB0068\crashpad_handler.exe --no-rate-limit --database=C:\Users\Admin\AppData\Local\Temp\.sentry-native --metrics-dir=C:\Users\Admin\AppData\Local\Temp\.sentry-native --url=https://sentry.netease.com:443/api/81/minidump/?sentry_client=sentry.native/0.5.0&sentry_key=b2a9969e03944fae81a12cf84afa6bd2 --attachment=C:\Users\Admin\AppData\Local\Temp\nemu-downloader-94f95985-57d3-4d50-a1d0-3794a2edd27f.log --attachment=C:\Users\Admin\AppData\Local\Temp\.sentry-native\93fa1daf-ff82-47cf-8970-fab73d1b75b4.run\__sentry-event --attachment=C:\Users\Admin\AppData\Local\Temp\.sentry-native\93fa1daf-ff82-47cf-8970-fab73d1b75b4.run\__sentry-breadcrumb1 --attachment=C:\Users\Admin\AppData\Local\Temp\.sentry-native\93fa1daf-ff82-47cf-8970-fab73d1b75b4.run\__sentry-breadcrumb2 --initial-client-data=0x3a0,0x3a4,0x3a8,0x37c,0x3ac,0x74c94d80,0x74c94d94,0x74c94da4
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3896
      • C:\Users\Admin\AppData\Local\Temp\7z90BB0068\ColaBoxChecker.exe
        "C:\Users\Admin\AppData\Local\Temp\7z90BB0068\ColaBoxChecker.exe" checker /baseboard
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5072
      • C:\Users\Admin\AppData\Local\Temp\7z90BB0068\ColaBoxChecker.exe
        "C:\Users\Admin\AppData\Local\Temp\7z90BB0068\ColaBoxChecker.exe" checker /hyperv
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5952
        • C:\Windows\SysWOW64\systeminfo.exe
          "C:\Windows\system32\systeminfo.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers system information
          PID:5404
      • C:\Users\Admin\AppData\Local\Temp\7z90BB0068\ColaBoxChecker.exe
        "C:\Users\Admin\AppData\Local\Temp\7z90BB0068\ColaBoxChecker.exe" checker /hyperv
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4704
      • C:\Users\Admin\AppData\Local\Temp\7z90BB0068\ColaBoxChecker.exe
        "C:\Users\Admin\AppData\Local\Temp\7z90BB0068\ColaBoxChecker.exe" checker /hyperv
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5800
  • C:\Users\Admin\AppData\Local\Temp\7z90BB0068\WinRing0x64.sys
    C:\Users\Admin\AppData\Local\Temp\7z90BB0068\WinRing0x64.sys
    1⤵
    • Executes dropped EXE
    PID:4552

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        ColaBoxChecker.exe
        • Path C:\Users\Admin\AppData\Local\Temp\7z90BB0068\ColaBoxChecker.exe
        • Size 4.0MB
        • SHA256 1373c5d006a5dbcd9b86cfff9a37616f1245d1333c4adcefc7cd18926b98d752
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        MSVCP140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\7z90BB0068\MSVCP140.dll
        • Size 427KB
        • SHA256 83f935454ae8e450b6f042509ecf28cceff95edb2495c63a782b9d45c2eaf1c0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        VCRUNTIME140.dll
        • Path C:\Users\Admin\AppData\Local\Temp\7z90BB0068\VCRUNTIME140.dll
        • Size 78KB
        • SHA256 8598940e498271b542f2c04998626aa680f2172d0ff4f8dbd4ffec1a196540f9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WinRing0x64.sys
        • Path C:\Users\Admin\AppData\Local\Temp\7z90BB0068\WinRing0x64.sys
        • Size 32KB
        • SHA256 d5bca2ca464a6cc91344bd85e812a7bac6e7c67038c4929a29e0bc60c7eabe4d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        baseboard
        • Path C:\Users\Admin\AppData\Local\Temp\7z90BB0068\baseboard
        • Size 114B
        • SHA256 d97e9114d83297df6b91d3f098d5d23f311e6c4cf0e62c427df1c84ea467b746
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        config.ini
        • Path C:\Users\Admin\AppData\Local\Temp\7z90BB0068\config.ini
        • Size 346B
        • SHA256 59373be0759c4b2f52d4fb483be21deb3a7f5825138e635cf748a53c4430fee0
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        crashpad_handler.exe
        • Path C:\Users\Admin\AppData\Local\Temp\7z90BB0068\crashpad_handler.exe
        • Size 845KB
        • SHA256 c0cab2ede028b24c6055843554cfd20b445bafeff607fc3641b4e476ff778367
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        hyperv
        • Path C:\Users\Admin\AppData\Local\Temp\7z90BB0068\hyperv
        • Size 96B
        • SHA256 437299bd2f5da2de07e1078bf5b4806d5857846f5ce79477feb2152a6e686945
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        nemu-downloader.exe
        • Path C:\Users\Admin\AppData\Local\Temp\7z90BB0068\nemu-downloader.exe
        • Size 2.8MB
        • SHA256 de565e0a625f5674c3486c6c70cdb05432ab0c2a0050bea67db6fcf4d3d3ed09
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        sentry.dll
        • Path C:\Users\Admin\AppData\Local\Temp\7z90BB0068\sentry.dll
        • Size 430KB
        • SHA256 7539405e35dd84561a6d28404c30b8ca46bef516b8f10b9e46118aad72cbd9cf
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        skin.zip
        • Path C:\Users\Admin\AppData\Local\Temp\7z90BB0068\skin.zip
        • Size 523KB
        • SHA256 200717a9284a32a8166ac9e34e53a2a1f5f63c3bafab5e74387c288421651810
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WinRing0.inf
        • Path C:\Users\Admin\AppData\Local\Temp\WinRing0.inf
        • Size 2KB
        • SHA256 07942017e8caaa1065867aecc561577199e53142545cb6fb41239ae4c607d46b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        WinRing0.sys
        • Path C:\Users\Admin\AppData\Local\Temp\WinRing0.sys
        • Size 31KB
        • SHA256 4448beff8366e42e3393e8c7f8261aee0b0340356c31aa3b97de07452ae01888
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WinRing0x64.inf
        • Path C:\Users\Admin\AppData\Local\Temp\WinRing0x64.inf
        • Size 2KB
        • SHA256 3fded2f4457b0beb415b841b40f6ede5ed527dd537e53e2f70f2fb4a6e24ebfd
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        winring0.cat
        • Path C:\Users\Admin\AppData\Local\Temp\winring0.cat
        • Size 10KB
        • SHA256 784e031565c67f1d29640c62f0cc205d5b56c1f78be894252cce06474b64a618
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        winring0x64.cat
        • Path C:\Users\Admin\AppData\Local\Temp\winring0x64.cat
        • Size 11KB
        • SHA256 317d01d9956f052d929fdbac258f1a2dc5163d3432fc488023a1f4d332ae3d45
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download