Analysis

  • user interaction
    yes
  • max time kernel
    133s
  • max time network
    133s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    17/04/2026, 01:49

General

  • Target
    https://www.mediafire.com/file/73pjn4hnvlytpz9/grabber.zip/file
  • Sample260417-b829dsdw2p
Score
1/10

Malware Config

Signatures

  • Checks processor information in registry 2 TTPs 28 IoCs

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

  • Modifies registry class 1 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 11 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 48 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:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "https://www.mediafire.com/file/73pjn4hnvlytpz9/grabber.zip/file"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2392
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url https://www.mediafire.com/file/73pjn4hnvlytpz9/grabber.zip/file
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      • NTFS ADS
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3088
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 1972 -prefsLen 27097 -prefMapHandle 1976 -prefMapSize 270279 -ipcHandle 2064 -initialChannelId {013bb63e-4eb1-4b3e-8050-71cfdbadefb3} -parentPid 3088 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3088" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
        3⤵
          PID:3596
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2444 -prefsLen 27133 -prefMapHandle 2448 -prefMapSize 270279 -ipcHandle 2456 -initialChannelId {6f3925a5-de70-461f-8760-90b35680879b} -parentPid 3088 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3088" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
          3⤵
          • Checks processor information in registry
          PID:1556
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3788 -prefsLen 25164 -prefMapHandle 3792 -prefMapSize 270279 -jsInitHandle 3796 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3804 -initialChannelId {3def2af1-0661-49d6-8d9c-00c05374798e} -parentPid 3088 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3088" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
          3⤵
          • Checks processor information in registry
          PID:1532
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3952 -prefsLen 27274 -prefMapHandle 3956 -prefMapSize 270279 -ipcHandle 4040 -initialChannelId {25c15112-f79e-4da0-94ef-c6c158933a71} -parentPid 3088 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3088" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
          3⤵
            PID:764
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4508 -prefsLen 34773 -prefMapHandle 4512 -prefMapSize 270279 -jsInitHandle 4516 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4524 -initialChannelId {6e42ea69-ce72-40a2-bf5e-b6c62f8e4a0c} -parentPid 3088 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3088" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
            3⤵
            • Checks processor information in registry
            PID:3212
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 2828 -prefsLen 35010 -prefMapHandle 4884 -prefMapSize 270279 -ipcHandle 4940 -initialChannelId {7dc12822-3aed-4e18-a1eb-2a7d9d4bfb3a} -parentPid 3088 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3088" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
            3⤵
            • Checks processor information in registry
            PID:4464
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5784 -prefsLen 32952 -prefMapHandle 5788 -prefMapSize 270279 -jsInitHandle 5792 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5752 -initialChannelId {4dfbbfab-79cb-4f24-9987-1e1430fe4cf0} -parentPid 3088 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3088" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
            3⤵
            • Checks processor information in registry
            PID:484
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5956 -prefsLen 32952 -prefMapHandle 5960 -prefMapSize 270279 -jsInitHandle 5964 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5972 -initialChannelId {dfbb95fb-0045-49bf-9480-a98247931d22} -parentPid 3088 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3088" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
            3⤵
            • Checks processor information in registry
            PID:568
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 6148 -prefsLen 32952 -prefMapHandle 6152 -prefMapSize 270279 -jsInitHandle 6156 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 6164 -initialChannelId {7cb37f07-cbdd-4653-9573-a8bc5341bff2} -parentPid 3088 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3088" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
            3⤵
            • Checks processor information in registry
            PID:3696
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 6356 -prefsLen 32952 -prefMapHandle 6348 -prefMapSize 270279 -jsInitHandle 6344 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5860 -initialChannelId {eed9b378-ac45-4081-923e-81921674460a} -parentPid 3088 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3088" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 10 tab
            3⤵
            • Checks processor information in registry
            PID:3940
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 6660 -prefsLen 32952 -prefMapHandle 6664 -prefMapSize 270279 -jsInitHandle 6668 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 6064 -initialChannelId {e6065613-a2ca-49ab-b9eb-03d4b9623cf2} -parentPid 3088 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3088" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 11 tab
            3⤵
            • Checks processor information in registry
            PID:4516
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 6708 -prefsLen 32952 -prefMapHandle 6712 -prefMapSize 270279 -jsInitHandle 6716 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 6724 -initialChannelId {d9269a1f-cbfa-40cd-9390-05a0d8d350e0} -parentPid 3088 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3088" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 12 tab
            3⤵
            • Checks processor information in registry
            PID:3972
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
        1⤵
          PID:2520
        • C:\Users\Admin\Desktop\installer.exe
          "C:\Users\Admin\Desktop\installer.exe"
          1⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1696
        • C:\Users\Admin\Desktop\installer.exe
          "C:\Users\Admin\Desktop\installer.exe"
          1⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1580

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              CD1C116DEEE8F4F97C1806976E10E7E2B349E486

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\769walom.default-release\cache2\entries\CD1C116DEEE8F4F97C1806976E10E7E2B349E486
              • Size 13KB
              • SHA256 fc4cee24900a20349dcdcd7630738e39c746ce9e29bd67b3f2d80c910ccb81b0
              • MD5 SHA1 SHA512 SSDEEP TLSH

              tmpaddon

              • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
              • Size 11KB
              • SHA256 ddf3ba4e25a622276755133e0cce5605b83719c7cab3546e09acbfed00d6a986
              • MD5 SHA1 SHA512 SSDEEP TLSH

              tmpaddon

              • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
              • Size 502KB
              • SHA256 87862f4bc8559fbe578389a9501dc01c4c585edb4bb03b238493327296d60171
              • MD5 SHA1 SHA512 SSDEEP TLSH

              AlternateServices.bin

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\AlternateServices.bin
              • Size 12KB
              • SHA256 68b48895a603a4058ddeedbd0fc7b656ee5ab35a91a6ef7b1e1c5c7c33a86a99
              • MD5 SHA1 SHA512 SSDEEP TLSH

              AlternateServices.bin

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\AlternateServices.bin
              • Size 33KB
              • SHA256 f27907b73527c9abf85f32305be468f5b87cd966548b34cdab7847c2d963d266
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\datareporting\glean\db\data.safe.tmp
              • Size 30KB
              • SHA256 8559c9332990f0b582a0dae9deeee86f691aff8efa88ee9ea1072e3a3dcaee90
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\datareporting\glean\db\data.safe.tmp
              • Size 30KB
              • SHA256 161548ce814b3e3b6014347acd30c382e0a4f6f967287ee8e027212ca5aa2313
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\datareporting\glean\db\data.safe.tmp
              • Size 44KB
              • SHA256 50e377f6ab42fb73bba82a4b35f4a49dcae4057e4d59c0654b821e756713a512
              • MD5 SHA1 SHA512 SSDEEP TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 24d0db9211130123e279a031102bd6b3ce8820ca1d41075dde0b41eb679bcd72
              • MD5 SHA1 SHA512 TLSH

              198a30ff-627a-4dbe-9648-4bf9673d0a80

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\datareporting\glean\pending_pings\198a30ff-627a-4dbe-9648-4bf9673d0a80
              • Size 2KB
              • SHA256 6e8258b91fcae93adc34fcc3cd7a474ab61876ad98457142dc1bb6ae62e51bc1
              • MD5 SHA1 SHA512 TLSH

              29439a61-149b-40e6-8284-b5f90c6a941d

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\datareporting\glean\pending_pings\29439a61-149b-40e6-8284-b5f90c6a941d
              • Size 235B
              • SHA256 afc44fe8f61ceae602512b29fcba56c37714b560d81c6b338e7a6d7739bd6d7e
              • MD5 SHA1 SHA512 TLSH

              68ffb2c2-d1ba-4146-b2fe-a4651f713282

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\datareporting\glean\pending_pings\68ffb2c2-d1ba-4146-b2fe-a4651f713282
              • Size 13KB
              • SHA256 20a214472bcab0cc524321bb71c07c4e45e96e7fc69faf4b2a8c3675bb21eed2
              • MD5 SHA1 SHA512 SSDEEP TLSH

              84e705e1-625b-4598-85b6-047ee669fa1b

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\datareporting\glean\pending_pings\84e705e1-625b-4598-85b6-047ee669fa1b
              • Size 235B
              • SHA256 5b92d1d7c5c551b041c52ca27487b51d34b8b4564bec3d9c055fff8060f88625
              • MD5 SHA1 SHA512 TLSH

              c1399f85-9ab7-4afa-8385-4cc183b80755

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\datareporting\glean\pending_pings\c1399f85-9ab7-4afa-8385-4cc183b80755
              • Size 871B
              • SHA256 709a914b89c6f2ae8a9fc12c1855edb4a10245c3c514f5e94dfde972d1f9d8bc
              • MD5 SHA1 SHA512 TLSH

              c5b24ce5-6e46-45de-b4ad-271923ade58b

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\datareporting\glean\pending_pings\c5b24ce5-6e46-45de-b4ad-271923ade58b
              • Size 886B
              • SHA256 766dbbcc5e6daa50009aa5466fa8b36b6113dcba9210b81eee19942233236388
              • MD5 SHA1 SHA512 TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\extensions.json
              • Size 16KB
              • SHA256 b874305bce3f90f7f2a4bab0d8e75f1e8f8e39c950848d7f48b219c837c70001
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\gmp-gmpopenh264\2.6.0\gmpopenh264.dll
              • Size 1.1MB
              • SHA256 37c005a7789747b412d6c0a6a4c30d15732da3d857b4f94b744be1a67231b651
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.info

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\gmp-gmpopenh264\2.6.0\gmpopenh264.info
              • Size 116B
              • SHA256 fe7686a6281f0ab519c32c788ce0da0d01640425018dcffcfcb81105757f6fe6
              • MD5 SHA1 SHA512 TLSH

              manifest.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\gmp-widevinecdm\4.10.2934.0\manifest.json
              • Size 1001B
              • SHA256 25ac9b79df29fa869b4c9f4ca3bdbc3a85f6122f5a8efab5a1216d577099becc
              • MD5 SHA1 SHA512 TLSH

              widevinecdm.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\gmp-widevinecdm\4.10.2934.0\widevinecdm.dll
              • Size 18.9MB
              • SHA256 875a76af5b19622842c9b37fe77dce10ee83f27adbdcfcde9c814d4e1226d023
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\prefs-1.js
              • Size 6KB
              • SHA256 90191f1b57c3eb71cacf9e8d93bce3ea6c048c7a9d336e87397e5e51a8517d29
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\prefs-1.js
              • Size 7KB
              • SHA256 64d85db3d6970f090293bac9a1c458de01cda84363c75b1a673bbe628a807935
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\prefs.js
              • Size 6KB
              • SHA256 54979c560e908e32c06b7dda4a1727f22c943b9197b4d0f779abdd0747d6912b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              sessionCheckpoints.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\sessionCheckpoints.json
              • Size 228B
              • SHA256 db037b650f36ff45da5df59bc07b0c5948f9e9b7b148ead4454ab84cb04fd0e2
              • MD5 SHA1 SHA512 TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\769walom.default-release\sessionstore-backups\recovery.baklz4
              • Size 9KB
              • SHA256 e4c9bc3826bed05c327b023f9e357b28657d5929f2315220d083ee7f03d75e75
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/1580-982-0x0000000140000000-0x00000001410E8000-memory.dmp

              memory/1696-976-0x00007FF91B5F0000-0x00007FF91B5F2000-memory.dmp

              memory/1696-978-0x0000000140000000-0x00000001410E8000-memory.dmp

              memory/2520-884-0x00000254C3F10000-0x00000254C402E000-memory.dmp