Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/12/2024, 04:38

General

  • Target
    file.exe
  • Size 900KB
  • Sample241201-e9dh7s1rbm
  • SHA256 61477c3ec5a8f73ef52b85ffabfe56e1d899f1d589daa8c713491f063ce3e42c
  • MD5 SHA1 SHA512 SSDEEP
Score
3/10

Malware Config

Signatures

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Checks processor information in registry 2 TTPs 8 IoCs

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

  • Kills process with taskkill 5 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 31 IoCs
  • Suspicious use of SendNotifyMessage 30 IoCs
  • Suspicious use of SetWindowsHookEx 1 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:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4408
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM firefox.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:3672
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM chrome.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:3568
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM msedge.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2812
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM opera.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2092
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM brave.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:3048
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" --kiosk "https://youtube.com/account?=https://accounts.google.com/v3/signin/challenge/pwd" --no-default-browser-check --disable-popup-blocking
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2076
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" --kiosk https://youtube.com/account?=https://accounts.google.com/v3/signin/challenge/pwd --no-default-browser-check --disable-popup-blocking
        3⤵
        • Checks processor information in registry
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4880
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=1988 -parentBuildID 20240401114208 -prefsHandle 1916 -prefMapHandle 1912 -prefsLen 23680 -prefMapSize 244658 -appDir "C:\Program Files\Mozilla Firefox\browser" - {4289f2cd-748a-4313-a2ed-55c032ca3545} 4880 "\\.\pipe\gecko-crash-server-pipe.4880" gpu
          4⤵
            PID:676
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2420 -parentBuildID 20240401114208 -prefsHandle 2412 -prefMapHandle 2408 -prefsLen 24600 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {5d04809d-fb37-4e43-aa70-0182a9e2c326} 4880 "\\.\pipe\gecko-crash-server-pipe.4880" socket
            4⤵
              PID:3472
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3076 -childID 1 -isForBrowser -prefsHandle 3048 -prefMapHandle 1640 -prefsLen 22652 -prefMapSize 244658 -jsInitHandle 1264 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {17d74630-5829-46c1-89f4-e6666018c39e} 4880 "\\.\pipe\gecko-crash-server-pipe.4880" tab
              4⤵
                PID:1840
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3636 -childID 2 -isForBrowser -prefsHandle 3560 -prefMapHandle 2740 -prefsLen 29090 -prefMapSize 244658 -jsInitHandle 1264 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {14d5926f-f172-4e4f-ab02-4ee6f156b0d8} 4880 "\\.\pipe\gecko-crash-server-pipe.4880" tab
                4⤵
                  PID:2584
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4648 -parentBuildID 20240401114208 -sandboxingKind 0 -prefsHandle 4672 -prefMapHandle 4664 -prefsLen 29090 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {21dc1d03-700f-4208-baad-a2db99a6920f} 4880 "\\.\pipe\gecko-crash-server-pipe.4880" utility
                  4⤵
                  • Checks processor information in registry
                  PID:2272
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4632 -childID 3 -isForBrowser -prefsHandle 5420 -prefMapHandle 5440 -prefsLen 27132 -prefMapSize 244658 -jsInitHandle 1264 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {04ab7526-221b-49bc-b6a5-ae84c1acd6af} 4880 "\\.\pipe\gecko-crash-server-pipe.4880" tab
                  4⤵
                    PID:3288
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5600 -childID 4 -isForBrowser -prefsHandle 5684 -prefMapHandle 5420 -prefsLen 27132 -prefMapSize 244658 -jsInitHandle 1264 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {f7dca34d-f1b7-49d0-b116-dcdb4f62816b} 4880 "\\.\pipe\gecko-crash-server-pipe.4880" tab
                    4⤵
                      PID:372
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5588 -childID 5 -isForBrowser -prefsHandle 5696 -prefMapHandle 5692 -prefsLen 27132 -prefMapSize 244658 -jsInitHandle 1264 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {76f3e22b-1e3a-4622-8351-751500542572} 4880 "\\.\pipe\gecko-crash-server-pipe.4880" tab
                      4⤵
                        PID:2284

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

                      activity-stream.discovery_stream.json

                      • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\yuzka873.default-release\activity-stream.discovery_stream.json
                      • Size 21KB
                      • SHA256 7383331cd8aa8c2187c5415cb0a3078958c516de911ac32ee36a8729af4d883a
                      • MD5 SHA1 SHA512 SSDEEP

                      39DB9E847E680B765D7B04FCCE6BF5BC0225F878

                      • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\yuzka873.default-release\cache2\entries\39DB9E847E680B765D7B04FCCE6BF5BC0225F878
                      • Size 13KB
                      • SHA256 a3a3054bbcb1ffd4ce38770130e4a871e02fad29b1d76f1824abbbce95a75132
                      • MD5 SHA1 SHA512 SSDEEP

                      92F4D5A4F9CED6E2E644D803AEE3647A0EA4D984

                      • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\yuzka873.default-release\cache2\entries\92F4D5A4F9CED6E2E644D803AEE3647A0EA4D984
                      • Size 13KB
                      • SHA256 cee2b7e50e1504e3f3495c051206cb04a4f3355e93876b36df1e493890e8bcbe
                      • MD5 SHA1 SHA512 SSDEEP

                      tmpaddon

                      • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
                      • Size 479KB
                      • SHA256 c32efac42faf4b9878fb8917c5e71d89ff40de580c4f52f62e11c6cfab55167f
                      • MD5 SHA1 SHA512 SSDEEP

                      tmpaddon-1

                      • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon-1
                      • Size 13.8MB
                      • SHA256 32d544baf2facc893057a1d97db33207e642f0dacf235d8500a0b5eff934ce03
                      • MD5 SHA1 SHA512 SSDEEP

                      AlternateServices.bin

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yuzka873.default-release\AlternateServices.bin
                      • Size 6KB
                      • SHA256 d608701dad345d85357cea0a0faddfc0bb0a067a955b9cda6e95c4057ff1cab0
                      • MD5 SHA1 SHA512 SSDEEP

                      AlternateServices.bin

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yuzka873.default-release\AlternateServices.bin
                      • Size 8KB
                      • SHA256 7783487c023eeba9bcc18c945b7920a25c5b52c8ecab7016dc2014b891ea1e4b
                      • MD5 SHA1 SHA512 SSDEEP

                      data.safe.tmp

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yuzka873.default-release\datareporting\glean\db\data.safe.tmp
                      • Size 5KB
                      • SHA256 9d2ce065c6dbbe447cbe74b5446434fd1c0928f7a650a11afe527b3abf1d80a9
                      • MD5 SHA1 SHA512 SSDEEP

                      data.safe.tmp

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yuzka873.default-release\datareporting\glean\db\data.safe.tmp
                      • Size 15KB
                      • SHA256 2cdb9cedbfce0a6659cc03b6dceee4d8b6aac9cc5e85a10263b20c8b22d6ce87
                      • MD5 SHA1 SHA512 SSDEEP

                      data.safe.tmp

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yuzka873.default-release\datareporting\glean\db\data.safe.tmp
                      • Size 15KB
                      • SHA256 04ed78be3450c60b496e16e80b884aa90d62fcb82576c754f8729e1ace02e563
                      • MD5 SHA1 SHA512 SSDEEP

                      427d54e3-bb00-4874-b996-59c954641b50

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yuzka873.default-release\datareporting\glean\pending_pings\427d54e3-bb00-4874-b996-59c954641b50
                      • Size 671B
                      • SHA256 75f7bcda4c902b50a63a5291b75c915e3ec5fb66668a00e7ff35442087707d24
                      • MD5 SHA1 SHA512

                      71c34653-2411-44b6-b36d-af2c8d321c64

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yuzka873.default-release\datareporting\glean\pending_pings\71c34653-2411-44b6-b36d-af2c8d321c64
                      • Size 27KB
                      • SHA256 08fb32eb17ac775034c4dec43a47f08c20789d4f4d7f26b08aacd6204b6de1ef
                      • MD5 SHA1 SHA512 SSDEEP

                      f1b79697-a7cd-417b-a633-d200d6689a0c

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yuzka873.default-release\datareporting\glean\pending_pings\f1b79697-a7cd-417b-a633-d200d6689a0c
                      • Size 982B
                      • SHA256 9741a2cf93f593ef521630d46cc31d2bcd34fe6bceb5aee3968c9c8258503c35
                      • MD5 SHA1 SHA512

                      gmpopenh264.dll

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yuzka873.default-release\gmp-gmpopenh264\2.3.2\gmpopenh264.dll
                      • Size 1.1MB
                      • SHA256 d88dd3bfc4a558bb943f3caa2e376da3942e48a7948763bf9a38f707c2cd0c1c
                      • MD5 SHA1 SHA512 SSDEEP

                      gmpopenh264.info

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yuzka873.default-release\gmp-gmpopenh264\2.3.2\gmpopenh264.info
                      • Size 116B
                      • SHA256 4107f76ba1d9424555f4e8ea0acef69357dfff89dfa5f0ec72aa4f2d489b17bc
                      • MD5 SHA1 SHA512

                      manifest.json

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yuzka873.default-release\gmp-widevinecdm\4.10.2710.0\manifest.json
                      • Size 372B
                      • SHA256 bbab6ca07edbed72a966835c7907b3e60c7aa3d48ddea847e5076bd05f4b1eda
                      • MD5 SHA1 SHA512

                      widevinecdm.dll

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yuzka873.default-release\gmp-widevinecdm\4.10.2710.0\widevinecdm.dll
                      • Size 17.8MB
                      • SHA256 bc40c7821dcd3fea9923c6912ab1183a942c11b7690cfd79ed148ded0228777e
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yuzka873.default-release\prefs-1.js
                      • Size 12KB
                      • SHA256 c09bfcb4bcd353103b1a50f3c5c2881db17f18b5b62d622e571ec561876ff6df
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yuzka873.default-release\prefs-1.js
                      • Size 15KB
                      • SHA256 380df0c36b2218014c601c662abc8e8587e803b256508302337fcd09e999c866
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yuzka873.default-release\prefs.js
                      • Size 10KB
                      • SHA256 6ff381cfd4bbd9684d5d5841d844a9b4c7c2e8df2f7773cfd71e2ccfc0204f1c
                      • MD5 SHA1 SHA512 SSDEEP