Analysis

  • max time kernel
    148s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/08/2026, 09:36

General

  • Target
    LICENSES.chromium.html
  • Size 8.7MB
  • Sample260804-lkyleawhqa
  • SHA256 c6080d60736384a4a8fdd23404d59ae2d939e5124d80df89f8fd4e450bb9bd6f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
6/10

Malware Config

Signatures

  • Contacts third-party web service commonly abused for C2 1 TTPs 6 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Drops desktop.ini file(s) 3 IoCs
  • Checks processor information in registry 2 TTPs 18 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 36 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 "C:\Users\Admin\AppData\Local\Temp\LICENSES.chromium.html"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:728
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url C:\Users\Admin\AppData\Local\Temp\LICENSES.chromium.html
      2⤵
      • Drops desktop.ini file(s)
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2008
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2028 -prefsLen 27099 -prefMapHandle 2032 -prefMapSize 270279 -ipcHandle 2100 -initialChannelId {e459faf3-9e8e-41ff-bdc0-be856bae846c} -parentPid 2008 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2008" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
        3⤵
          PID:5036
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2504 -prefsLen 27135 -prefMapHandle 2508 -prefMapSize 270279 -ipcHandle 2512 -initialChannelId {5de2c258-6584-4d3f-a5fa-568283639164} -parentPid 2008 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2008" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
          3⤵
            PID:4248
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3848 -prefsLen 27276 -prefMapHandle 3852 -prefMapSize 270279 -jsInitHandle 3856 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3864 -initialChannelId {86039ce9-2d5c-4173-b487-23f1b04f7b75} -parentPid 2008 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2008" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
            3⤵
            • Checks processor information in registry
            PID:2028
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 4036 -prefsLen 27276 -prefMapHandle 4040 -prefMapSize 270279 -ipcHandle 4104 -initialChannelId {0dd34b48-0e28-4a83-8bcf-df61268ba149} -parentPid 2008 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2008" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
            3⤵
              PID:5000
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4332 -prefsLen 34775 -prefMapHandle 4340 -prefMapSize 270279 -jsInitHandle 4344 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4352 -initialChannelId {621d73ee-aeab-4d89-9842-8436ad67ed36} -parentPid 2008 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2008" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
              3⤵
              • Checks processor information in registry
              PID:1844
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 4800 -prefsLen 35012 -prefMapHandle 4712 -prefMapSize 270279 -ipcHandle 4744 -initialChannelId {749cd92c-eea0-40b1-9c25-41e5cca696b2} -parentPid 2008 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2008" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
              3⤵
              • Checks processor information in registry
              PID:2800
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5056 -prefsLen 32952 -prefMapHandle 5060 -prefMapSize 270279 -jsInitHandle 5064 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5072 -initialChannelId {d68dc39d-4cb7-4f27-92ee-e896294128a0} -parentPid 2008 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2008" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
              3⤵
              • Checks processor information in registry
              PID:5060
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5088 -prefsLen 32952 -prefMapHandle 5092 -prefMapSize 270279 -jsInitHandle 5096 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5104 -initialChannelId {2a97e5f5-2866-4041-8265-daed3e45d891} -parentPid 2008 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2008" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
              3⤵
              • Checks processor information in registry
              PID:1084
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5480 -prefsLen 32952 -prefMapHandle 5484 -prefMapSize 270279 -jsInitHandle 5488 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5492 -initialChannelId {605ba645-b971-4141-b1a7-bff5794be441} -parentPid 2008 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2008" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
              3⤵
              • Checks processor information in registry
              PID:5048

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              4E3D8FAAF804AAC616BC48BD4AFA8BE284516FCF

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\pltyyssw.default-release\cache2\entries\4E3D8FAAF804AAC616BC48BD4AFA8BE284516FCF
              • Size 16KB
              • SHA256 accd6e57d2a960e9f9cf7055c141a40f954e5ad3548539261eda28d1d54ad560
              • MD5 SHA1 SHA512 SSDEEP TLSH

              webext.sc.lz4

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\pltyyssw.default-release\startupCache\webext.sc.lz4
              • Size 104KB
              • SHA256 7b2481eb76e5c6ad16d05d61700dc9b645d4c64fd4588cad5ce78bf53573eceb
              • MD5 SHA1 SHA512 SSDEEP TLSH

              tmpaddon

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

              tmpaddon

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

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\db\data.safe.tmp
              • Size 6KB
              • SHA256 35fb17e426ef126928ccb6dff800c2876d90dbc4ad9f86055cfa83d4cf30cdf1
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\db\data.safe.tmp
              • Size 6KB
              • SHA256 b118ae4299113efe7a8e5eee70498b0a8c4f23742f51704cc78da904b851195e
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\db\data.safe.tmp
              • Size 7KB
              • SHA256 65358e2e21e8d9705882d0c8916b51582968b2efe49f12fb366aaa53206ab61f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\db\data.safe.tmp
              • Size 29KB
              • SHA256 8457b5e20111c96627a1aa49a4608c361b8e5c6f6b942117e4b3ffdc1c1465a3
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\db\data.safe.tmp
              • Size 29KB
              • SHA256 cdd65fd48ae29754ac5aa2185b0f232f0d5daf4cd7e189435e8aa7d9905d6914
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\db\data.safe.tmp
              • Size 3KB
              • SHA256 0bb318575e03dee5db55611465ffe16fa47062c53e6ae835430773e15af0c0c7
              • MD5 SHA1 SHA512 TLSH

              058f03a0-aadb-4e39-9ffb-9a6aa33d86cb

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\pending_pings\058f03a0-aadb-4e39-9ffb-9a6aa33d86cb
              • Size 2KB
              • SHA256 d17686334db8c09b4af396163618e90718ca8c21cbe6e2bcae3d846e7c44aecd
              • MD5 SHA1 SHA512 TLSH

              3ee0ec54-f617-4670-a15e-9ce8be3d3af4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\pending_pings\3ee0ec54-f617-4670-a15e-9ce8be3d3af4
              • Size 883B
              • SHA256 0ecc4477f6881021ffd78f334d9333e3a11b4245c942eb7d99e1dc46c01e53ea
              • MD5 SHA1 SHA512 TLSH

              66024971-dfce-4bc3-b394-1ed3d7865520

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\pending_pings\66024971-dfce-4bc3-b394-1ed3d7865520
              • Size 886B
              • SHA256 5390c9756de2e218400b7656999d1d1ddffb744d846bb560df2d9c88c0a34eb7
              • MD5 SHA1 SHA512 TLSH

              dee96f05-b5f9-4797-a3c6-79d6ebe37a56

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\pending_pings\dee96f05-b5f9-4797-a3c6-79d6ebe37a56
              • Size 235B
              • SHA256 8d182b19e1860bcd527106b6efe2c8b4c1e396ca7a5d8fcd119cd37f9d1630ed
              • MD5 SHA1 SHA512 TLSH

              e35ae674-17a6-47ac-856c-70d7b399e5e5

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\pending_pings\e35ae674-17a6-47ac-856c-70d7b399e5e5
              • Size 235B
              • SHA256 c244d2b06cf2bc00b4e0233787f1b09ef9e12e30ccf42d53cb490573815a49e1
              • MD5 SHA1 SHA512 TLSH

              e461841e-3193-41f5-b02b-c04d6c492c7d

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\pending_pings\e461841e-3193-41f5-b02b-c04d6c492c7d
              • Size 15KB
              • SHA256 d5e1c3e770ad07adc310b96dd94211fb3515db085a606a6b3ef5c0a71bcd93d6
              • MD5 SHA1 SHA512 SSDEEP TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\extensions.json
              • Size 16KB
              • SHA256 0792dddf0531bd5aa9b6bb4d65db06c8b171ef101b5a51329e966d91a72642dd
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.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\pltyyssw.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\pltyyssw.default-release\gmp-widevinecdm\4.10.3050.0\manifest.json
              • Size 1002B
              • SHA256 2894996540fabbd346ed4ced8386ca77d6badf60372e307ee15c906c30340d0d
              • MD5 SHA1 SHA512 TLSH

              widevinecdm.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\gmp-widevinecdm\4.10.3050.0\widevinecdm.dll
              • Size 21.6MB
              • SHA256 f1216e26ee8c27f938d7722427d29f190e569ed83d0ba16ea872cae684b97602
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\prefs-1.js
              • Size 6KB
              • SHA256 6eeab089bc9122bd75bdbab166dfad6c160bb9c859cbd0f2e7e6baf721802e0b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\prefs-1.js
              • Size 7KB
              • SHA256 e426dfc4ab1b081b1ce1c363fff161694df417c41fc5d937cad08d1e2174a531
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\prefs.js
              • Size 6KB
              • SHA256 55b33940e702d3daa2272ac82d1d7dc5f8c03cfe1e405a108999a6d7aec4c1a0
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\sessionstore-backups\recovery.baklz4
              • Size 1KB
              • SHA256 23a562e76478084cb39a8f04831709140e1b9a34dfcdc0f5a6fceb35b0453c64
              • MD5 SHA1 SHA512 TLSH

              recovery.jsonlz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\sessionstore-backups\recovery.jsonlz4
              • Size 1KB
              • SHA256 7113fe925839619c88fe4de5dd0d20f7364c393d5e7c3c1c38cd0f0c429e1518
              • MD5 SHA1 SHA512 TLSH