Analysis

  • max time kernel
    205s
  • max time network
    211s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19/06/2024, 21:28

General

  • Target
    Nighty.pyc
  • Size 2.4MB
  • Sample240619-1bty7axaml
  • SHA256 b99a622908a8fa8117e2bc8b15e168572befa29bb863c9c25a9e8fdf0e50ec35
  • MD5 SHA1 SHA512 SSDEEP
Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 12 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 27 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Nighty.pyc
    1⤵
    • Modifies registry class
    PID:3076
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4988
    • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Nighty.pyc"
      2⤵
      • Checks processor information in registry
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3408
      • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
        "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:844
        • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
          "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=A6982A4EA177A582581D48ABABB69ADA --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=A6982A4EA177A582581D48ABABB69ADA --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
          4⤵
            PID:3624
          • C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
            "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=D98778AF3257983B3238DC9E6D4E9C12 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
            4⤵
              PID:4200
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        1⤵
          PID:4716
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe"
            2⤵
            • Checks processor information in registry
            • Modifies registry class
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of SetWindowsHookEx
            PID:4836
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4836.0.1380410478\237770750" -parentBuildID 20230214051806 -prefsHandle 1784 -prefMapHandle 1500 -prefsLen 22074 -prefMapSize 235121 -appDir "C:\Program Files\Mozilla Firefox\browser" - {b30a2bb0-b7c6-4bea-8f04-b799b7973920} 4836 "\\.\pipe\gecko-crash-server-pipe.4836" 1864 26215830b58 gpu
              3⤵
                PID:920
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4836.1.1599216707\1300981570" -parentBuildID 20230214051806 -prefsHandle 2376 -prefMapHandle 2372 -prefsLen 22110 -prefMapSize 235121 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {e081d431-918c-41b8-b72e-4cf56f8e2bc9} 4836 "\\.\pipe\gecko-crash-server-pipe.4836" 2388 26208a89058 socket
                3⤵
                • Checks processor information in registry
                PID:4708
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4836.2.832834996\1723780822" -childID 1 -isForBrowser -prefsHandle 2916 -prefMapHandle 2912 -prefsLen 22148 -prefMapSize 235121 -jsInitHandle 1200 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {2b08be3d-b053-42ae-9ac1-8d1007d6bb3f} 4836 "\\.\pipe\gecko-crash-server-pipe.4836" 2928 262180ec258 tab
                3⤵
                  PID:2728
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4836.3.1360887938\726541041" -childID 2 -isForBrowser -prefsHandle 3556 -prefMapHandle 2692 -prefsLen 27614 -prefMapSize 235121 -jsInitHandle 1200 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {9cbe56be-f5b1-4620-becd-0f2038acbedd} 4836 "\\.\pipe\gecko-crash-server-pipe.4836" 3564 2621b22e558 tab
                  3⤵
                    PID:3428
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4836.4.1441043093\1680304902" -childID 3 -isForBrowser -prefsHandle 5044 -prefMapHandle 5040 -prefsLen 27690 -prefMapSize 235121 -jsInitHandle 1200 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {d49a3284-eb06-4e2f-a359-eb332be1b9c2} 4836 "\\.\pipe\gecko-crash-server-pipe.4836" 5052 2621d263958 tab
                    3⤵
                      PID:3844
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4836.5.1050708409\609689702" -childID 4 -isForBrowser -prefsHandle 5128 -prefMapHandle 5132 -prefsLen 27690 -prefMapSize 235121 -jsInitHandle 1200 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {ea48b4bb-c2e9-47fa-867d-edbc246d5149} 4836 "\\.\pipe\gecko-crash-server-pipe.4836" 5104 2621d264558 tab
                      3⤵
                        PID:2028
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4836.6.131470522\439132826" -childID 5 -isForBrowser -prefsHandle 5324 -prefMapHandle 5328 -prefsLen 27690 -prefMapSize 235121 -jsInitHandle 1200 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {2178bf09-a693-46c3-818a-91a3c4c78d9c} 4836 "\\.\pipe\gecko-crash-server-pipe.4836" 5316 2621da14258 tab
                        3⤵
                          PID:3140
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4836.7.234653127\476588543" -childID 6 -isForBrowser -prefsHandle 1680 -prefMapHandle 1604 -prefsLen 27690 -prefMapSize 235121 -jsInitHandle 1200 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {c1e5cb5b-10fc-45b6-8ea7-a1e582d26bdf} 4836 "\\.\pipe\gecko-crash-server-pipe.4836" 5780 2621da15458 tab
                          3⤵
                            PID:4820
                      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
                        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
                        1⤵
                        • Modifies registry class
                        • Suspicious use of SetWindowsHookEx
                        PID:4232
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
                        1⤵
                          PID:3808

                        Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              activity-stream.discovery_stream.json.tmp

                              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\mg2c1myw.default-release\activity-stream.discovery_stream.json.tmp
                              • Size 24KB
                              • SHA256 b1c67820524164d1a3dfa293fe975493d33681ac7c71b2505a1dc1f23f634c1b
                              • MD5 SHA1 SHA512 SSDEEP

                              SearchHoverUnifiedTileModelCache.dat

                              • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
                              • Size 10KB
                              • SHA256 f35cd8ef03ac924a59943c5dfffc31ab67a8b5aff272e9f47ff776aabc7ee561
                              • MD5 SHA1 SHA512 SSDEEP

                              SearchHoverUnifiedTileModelCache.dat

                              • Path C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
                              • Size 10KB
                              • SHA256 355f4081dc19d2bfd40aa473a1f76ff02912cf04906b9af9dd62edb0646e1c5a
                              • MD5 SHA1 SHA512 SSDEEP

                              prefs-1.js

                              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\mg2c1myw.default-release\prefs-1.js
                              • Size 7KB
                              • SHA256 47e4228885e3e37c290f5d51f95aaef05788f81260082355ffffe4250d08c63d
                              • MD5 SHA1 SHA512 SSDEEP

                              prefs-1.js

                              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\mg2c1myw.default-release\prefs-1.js
                              • Size 7KB
                              • SHA256 16a60d40a4a629c3a66f80a59c09936a75e72ac57890fb1432efb74254526fc7
                              • MD5 SHA1 SHA512 SSDEEP

                              prefs.js

                              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\mg2c1myw.default-release\prefs.js
                              • Size 6KB
                              • SHA256 31793cd9125e50b38fd5d6e81b6e906b0f6f149fc1b22a45aea41f9c5de5430d
                              • MD5 SHA1 SHA512 SSDEEP

                              sessionCheckpoints.json.tmp

                              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\mg2c1myw.default-release\sessionCheckpoints.json.tmp
                              • Size 259B
                              • SHA256 4c22e8a42797f14510228f9f4de8eea45c526228a869837bd43c0540092e5f17
                              • MD5 SHA1 SHA512

                              recovery.jsonlz4

                              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\mg2c1myw.default-release\sessionstore-backups\recovery.jsonlz4
                              • Size 1KB
                              • SHA256 c38d1b131d99277b5a1b9db8e92f231dbf5cc7c0b0e06b63bcb909714505fac7
                              • MD5 SHA1 SHA512

                              recovery.jsonlz4

                              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\mg2c1myw.default-release\sessionstore-backups\recovery.jsonlz4
                              • Size 1KB
                              • SHA256 013c0df551295f249b9814a9921832ab35e755f61af6b3f77aa9ba857fe420e4
                              • MD5 SHA1 SHA512

                              sessionstore.jsonlz4

                              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\mg2c1myw.default-release\sessionstore.jsonlz4
                              • Size 1KB
                              • SHA256 06f034be7b3032b4156cd35565c92d8c2dcf5958e152f4327ff86c3dd406e666
                              • MD5 SHA1 SHA512