Overview

overview

8

Static

static

3

backrooms.exe

windows10-2004-x64

7

backrooms.exe

windows10-ltsc_2021-x64

7

backrooms.exe

windows11-21h2-x64

7

backrooms.exe

windows11-ltsc_2024-x64

8

Analysis

  • user interaction
    yes
  • max time kernel
    508s
  • max time network
    404s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    20/06/2026, 10:47

Sharing

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General

  • Target
    backrooms.exe
  • Size 105.8MB
  • Sample260620-mvxbrsev2m
  • SHA256 90604a40452363896d5f3125ee551fecb73d5229b4efb5dee739f784cb7ca96d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 51 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\backrooms.exe
    "C:\Users\Admin\AppData\Local\Temp\backrooms.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3988
    • C:\Users\Admin\AppData\Local\Temp\backrooms.exe
      "C:\Users\Admin\AppData\Local\Temp\backrooms.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: GetForegroundWindowSpam
      PID:5328
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x00000000000004D8 0x00000000000004B8
    1⤵
      PID:5068
    • C:\Program Files\VideoLAN\VLC\vlc.exe
      "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\SkipEnter.MOD"
      1⤵
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:5776

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          81d243bd2c585b0f4821__mypyc.cp314-win_amd64.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\81d243bd2c585b0f4821__mypyc.cp314-win_amd64.pyd
          • Size 211KB
          • SHA256 ab64835b63093c31975df2692756c8008e7ec190e4aa86f15a713bcc62e1d432
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _imaging.cp314-win_amd64.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\PIL\_imaging.cp314-win_amd64.pyd
          • Size 2.5MB
          • SHA256 b4e06283c347910b5973bd5732159ea9eb26eda48e3eed183be2e3382db26597
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          MSVCP140.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\PyQt5\Qt5\bin\MSVCP140.dll
          • Size 576KB
          • SHA256 88f55d86b50b0a7e55e71ad2d8f7552146ba26e927230daf2e26ad3a971973c5
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          MSVCP140_1.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\PyQt5\Qt5\bin\MSVCP140_1.dll
          • Size 30KB
          • SHA256 446c48c1224c289bd3080087fe15d6759416d64f4136addf30086abd5415d83f
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Qt5Core.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\PyQt5\Qt5\bin\Qt5Core.dll
          • Size 5.7MB
          • SHA256 8d2ff4ce9096ddccc4f4cd62c2e41fc854cfd1b0d6e8d296645a7f5fd4ae565a
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          QtCore.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\PyQt5\QtCore.pyd
          • Size 2.4MB
          • SHA256 d6e45fd8c3b3f93f52c4d1b6f9e3ee220454a73f80f65f3d70504bd55415ea37
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          sip.cp314-win_amd64.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\PyQt5\sip.cp314-win_amd64.pyd
          • Size 119KB
          • SHA256 d28abbdd34489218c228dbbd3b6d2dfad87e172e975e8d69d2e8f3c4d6d4d376
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          VCRUNTIME140.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\VCRUNTIME140.dll
          • Size 117KB
          • SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          VCRUNTIME140_1.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\VCRUNTIME140_1.dll
          • Size 48KB
          • SHA256 6a99bc0128e0c7d6cbbf615fcc26909565e17d4ca3451b97f8987f9c6acbc6c8
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _asyncio.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\_asyncio.pyd
          • Size 76KB
          • SHA256 cc27a21453b309197030b5fa8051a8a9c89aec79f9b81ee4ea2a2551ac0f912f
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _bz2.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\_bz2.pyd
          • Size 86KB
          • SHA256 ef5277eb670219274e7d1e92190ddf7f4bb94d4922ca1c1a12efadfd2c4c66f6
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _cffi_backend.cp314-win_amd64.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\_cffi_backend.cp314-win_amd64.pyd
          • Size 177KB
          • SHA256 58bbe1eb15f9ab8e9ea45715a8311e2366b360d910a4685448bdd728d5177a01
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _ctypes.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\_ctypes.pyd
          • Size 139KB
          • SHA256 fd4847b99cd504a66bdc4739f15181b562774e6736bb88775880b073276dede1
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _decimal.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\_decimal.pyd
          • Size 283KB
          • SHA256 1ee2247153ec6c6e5b3b49402f294b2b7325385ad489a5522e6fa9b406575e8b
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _elementtree.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\_elementtree.pyd
          • Size 135KB
          • SHA256 1f8259cc74aed52e4cd2de6cb1b54bec8b1725a84760c1c5b30ded49f652824a
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _hashlib.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\_hashlib.pyd
          • Size 67KB
          • SHA256 9bc6ffcd2ab4ac87c4035f18b432e888d0d4a36795c97bf3f28ddf32cc34e40f
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _lzma.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\_lzma.pyd
          • Size 157KB
          • SHA256 39e5bc3624a26c9f6ad2e2df412543b0bd697a1d75338b44fe99763358d6d8cb
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _multiprocessing.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\_multiprocessing.pyd
          • Size 37KB
          • SHA256 a8c15ee29f60536e00fd7c26c0315e062c4f018e2e46e7f6eb65c1fed0d886a4
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _overlapped.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\_overlapped.pyd
          • Size 56KB
          • SHA256 0e8b684fdcc8c6de88bd4b92b6ed44a6fd917949c98b0691285e0cf6c760dc36
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _queue.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\_queue.pyd
          • Size 35KB
          • SHA256 acf60e246f6a83a914fb6c411f04bd3eb8bba83070612ca44af99d74f06c5524
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _socket.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\_socket.pyd
          • Size 85KB
          • SHA256 65caaa6f35c329d901ba3f3d9f7fc4d7443dcde89907dccbd6748786cc517476
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _sqlite3.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\_sqlite3.pyd
          • Size 129KB
          • SHA256 e33fd2ccfd0bd878d50f5c093a56e324ad146e03ebd47e4dc81d6c833badedbe
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _ssl.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\_ssl.pyd
          • Size 180KB
          • SHA256 12e31f50739e33b115c7e10febf1ccedeb5d9353cd539c608cc5dd164bee17a7
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _tkinter.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\_tkinter.pyd
          • Size 67KB
          • SHA256 14f0b750f800ed529a06052369428f75f204005be1633400c9fe0ca544d82f85
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _uuid.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\_uuid.pyd
          • Size 27KB
          • SHA256 635d6c46bbf6b86dd30a802bd1c6e214dabccb44d1452c52f0b557ae5bcc6f68
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _wmi.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\_wmi.pyd
          • Size 39KB
          • SHA256 6fb2c6316628664319b2abcf961f0cbbac809966a65b653c86e7864ad8701496
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          _zstd.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\_zstd.pyd
          • Size 491KB
          • SHA256 54e6acfbc1cb27c9afea0e133cadac68b89869ff1a14eb0c678d40eb9c655347
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          base_library.zip
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\base_library.zip
          • Size 1.3MB
          • SHA256 9fddc3fd386b78a8f5a59ffa88b7c1457a490469c0e9582278147a0173e60323
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          libcrypto-3.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\libcrypto-3.dll
          • Size 5.0MB
          • SHA256 8b27ebae75cc99f20075322446af36c9ffcb4e3b400a77d712ef43f007f47f7d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          libffi-8.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\libffi-8.dll
          • Size 38KB
          • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          libssl-3.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\libssl-3.dll
          • Size 776KB
          • SHA256 56dd50fb903b860ace831d0cd6c6250cd57e8655867c3a0fa16eac2d4cc0ba0b
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          pyexpat.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\pyexpat.pyd
          • Size 214KB
          • SHA256 9349be352300fef4b16da0574c670b174d75094574ab51f3d385767d1e3dfc0d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          python3.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\python3.dll
          • Size 72KB
          • SHA256 f3d0cd260a46a9617a8b1d4d5e8703278478c22a910165bffb4e4ddf6562d93f
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          python314.DLL
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\python314.DLL
          • Size 6.5MB
          • SHA256 18310593c50ad109fc5c95db1fd5c92ecec9e1bfc66c976df9fc11dd62616d5a
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          select.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\select.pyd
          • Size 32KB
          • SHA256 8c3ee20776d8eb7c441f2006ed46b9ba932060c6b66df4c1e156dcf7738d56ce
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          Lorem ipsum.txt
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\setuptools\_vendor\jaraco\text\Lorem ipsum.txt
          • Size 1KB
          • SHA256 37fedcffbf73c4eb9f058f47677cb33203a436ff9390e4d38a8e01c9dad28e0b
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          sqlite3.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\sqlite3.dll
          • Size 1.5MB
          • SHA256 cb9676d3b9aeae83a63da5903add3fe4f17ed2e26e7e01a4f1877c4fcdeee99d
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          tcl86t.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\tcl86t.dll
          • Size 1.8MB
          • SHA256 77c41c2d5850224b21d1f35d29cff87ac4d5d847e3694c52f5f63f5eaac7d1f2
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          tk86t.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\tk86t.dll
          • Size 1.5MB
          • SHA256 c85f46920f82c05ac7eb6ea27dcf85d716377edaede778bcd2c40d991e341f22
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          unicodedata.pyd
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\unicodedata.pyd
          • Size 740KB
          • SHA256 a7a2bfeed5d0480d8c458b3a61ee32c478ae10c694e8be61c3ba0e8cc2a6e1c6
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          zlib1.dll
          • Path C:\Users\Admin\AppData\Local\Temp\_MEI39882\zlib1.dll
          • Size 144KB
          • SHA256 4f4168a375d3628f96846f5a9319f55521a501e30d9b7e91c384e64fb3245d4c
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          tmpk6l0_7da.png
          • Path C:\Users\Admin\AppData\Local\Temp\tmpk6l0_7da.png
          • Size 385KB
          • SHA256 f1830197c264fca9ba44e90404a41000e4723a69230f907dc09c95fac603f344
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/5328-1240-0x00007FFFD9850000-0x00007FFFD9AB3000-memory.dmp
          Download

          memory/5328-1250-0x00000157FD120000-0x00000157FD6E6000-memory.dmp
          Download

          memory/5328-1574-0x00000157FD120000-0x00000157FD6E6000-memory.dmp
          Download

          memory/5776-1282-0x00007FFFCF680000-0x00007FFFCF718000-memory.dmp
          Download

          memory/5776-1275-0x00007FFFCF9F0000-0x00007FFFCFA08000-memory.dmp
          Download

          memory/5776-1270-0x00007FFFCFC70000-0x00007FFFCFF06000-memory.dmp
          Download

          memory/5776-1281-0x00007FFFCF720000-0x00007FFFCF92B000-memory.dmp
          Download

          memory/5776-1261-0x00007FFFD0E90000-0x00007FFFD1146000-memory.dmp
          Download

          memory/5776-1284-0x00007FFFCF600000-0x00007FFFCF625000-memory.dmp
          Download

          memory/5776-1283-0x00007FFFCF630000-0x00007FFFCF67F000-memory.dmp
          Download

          memory/5776-1280-0x00007FFFCF930000-0x00007FFFCF941000-memory.dmp
          Download

          memory/5776-1279-0x00007FFFCF950000-0x00007FFFCF961000-memory.dmp
          Download

          memory/5776-1278-0x00007FFFCF970000-0x00007FFFCF98A000-memory.dmp
          Download

          memory/5776-1277-0x00007FFFCF990000-0x00007FFFCF9BD000-memory.dmp
          Download

          memory/5776-1285-0x00007FFFC8580000-0x00007FFFC87C5000-memory.dmp
          Download

          memory/5776-1276-0x00007FFFCF9C0000-0x00007FFFCF9E6000-memory.dmp
          Download

          memory/5776-1268-0x00007FFFCFFF0000-0x00007FFFD0001000-memory.dmp
          Download

          memory/5776-1274-0x00007FFFCFA10000-0x00007FFFCFA3F000-memory.dmp
          Download

          memory/5776-1273-0x00007FFFCFA40000-0x00007FFFCFA81000-memory.dmp
          Download

          memory/5776-1272-0x00007FFFCFA90000-0x00007FFFCFB73000-memory.dmp
          Download

          memory/5776-1269-0x00007FFFCFF10000-0x00007FFFCFFE2000-memory.dmp
          Download

          memory/5776-1267-0x00007FFFD0010000-0x00007FFFD0024000-memory.dmp
          Download

          memory/5776-1266-0x00007FFFD0030000-0x00007FFFD03C0000-memory.dmp
          Download

          memory/5776-1271-0x00007FFFCFB80000-0x00007FFFCFC68000-memory.dmp
          Download

          memory/5776-1265-0x00007FFFD03C0000-0x00007FFFD03EB000-memory.dmp
          Download

          memory/5776-1264-0x00007FFFD03F0000-0x00007FFFD0412000-memory.dmp
          Download

          memory/5776-1262-0x00007FFFD0440000-0x00007FFFD0451000-memory.dmp
          Download

          memory/5776-1263-0x00007FFFD0420000-0x00007FFFD0439000-memory.dmp
          Download

          memory/5776-1259-0x00007FF612560000-0x00007FF612658000-memory.dmp
          Download

          memory/5776-1260-0x00007FFFD1150000-0x00007FFFD1184000-memory.dmp
          Download