Analysis

  • user interaction
    yes
  • max time kernel
    142s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    06/07/2026, 11:15

General

  • Target
    Cookie_Decryptor_v3.exe
  • Size 557KB
  • Sample260706-nclb8aas6m
  • SHA256 7eea3041a8bab3eecaeddaaca5b5106e3eedb3c0afbc3875143d12cd7d0dc7cb
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
1/10

Malware Config

Signatures

  • 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 2 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:\Users\Admin\AppData\Local\Temp\Cookie_Decryptor_v3.exe
    "C:\Users\Admin\AppData\Local\Temp\Cookie_Decryptor_v3.exe"
    1⤵
      PID:860
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:3492
      • 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 SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4740
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2020 -prefsLen 27099 -prefMapHandle 2024 -prefMapSize 270279 -ipcHandle 2100 -initialChannelId {ff4ae4ce-d3b6-48b2-b7f8-44d267cc18ad} -parentPid 4740 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4740" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
          3⤵
            PID:4112
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2464 -prefsLen 27135 -prefMapHandle 2468 -prefMapSize 270279 -ipcHandle 2488 -initialChannelId {a1bdd7bf-1ceb-458a-9e67-03c3d25ca988} -parentPid 4740 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4740" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
            3⤵
              PID:4636
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3836 -prefsLen 27276 -prefMapHandle 3840 -prefMapSize 270279 -jsInitHandle 3844 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3764 -initialChannelId {4c1db4c2-fc3a-4a22-9ee7-be40f2b25eb3} -parentPid 4740 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4740" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
              3⤵
              • Checks processor information in registry
              PID:1500
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3992 -prefsLen 27276 -prefMapHandle 3996 -prefMapSize 270279 -ipcHandle 4080 -initialChannelId {03be44a1-8a41-4701-a6fb-b79e62dde95a} -parentPid 4740 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4740" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
              3⤵
                PID:312
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 760 -prefsLen 34775 -prefMapHandle 1640 -prefMapSize 270279 -jsInitHandle 1668 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 1624 -initialChannelId {e3a6b52f-32d0-4296-83ac-d8bf24affe15} -parentPid 4740 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4740" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
                3⤵
                • Checks processor information in registry
                PID:4456
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 4816 -prefsLen 35012 -prefMapHandle 4820 -prefMapSize 270279 -ipcHandle 4828 -initialChannelId {c9829b62-83ec-46b2-9943-f417a5d1ffb5} -parentPid 4740 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4740" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
                3⤵
                • Checks processor information in registry
                PID:1400
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3020 -prefsLen 33031 -prefMapHandle 4732 -prefMapSize 270279 -jsInitHandle 1244 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 2660 -initialChannelId {bfd074b9-ed36-40e1-bfb1-1ad9af7137b8} -parentPid 4740 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4740" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
                3⤵
                • Checks processor information in registry
                PID:2720
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5712 -prefsLen 33031 -prefMapHandle 5716 -prefMapSize 270279 -jsInitHandle 5720 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5660 -initialChannelId {27389e7d-cdb2-438a-a74b-2b6b00d9a4c8} -parentPid 4740 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4740" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
                3⤵
                • Checks processor information in registry
                PID:4684
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5920 -prefsLen 33031 -prefMapHandle 5924 -prefMapSize 270279 -jsInitHandle 5928 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5868 -initialChannelId {cecca63e-fa65-4ad4-8a4c-05de4ab78721} -parentPid 4740 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4740" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
                3⤵
                • Checks processor information in registry
                PID:3648

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                data.safe.tmp

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\db\data.safe.tmp
                • Size 3KB
                • SHA256 52097ab372ad152e211a03603e049c5fe7e7608c83fa4f518b93f630aa8a1534
                • MD5 SHA1 SHA512 TLSH

                data.safe.tmp

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\db\data.safe.tmp
                • Size 6KB
                • SHA256 06fd1b927cffdd6c207add62bd84b6539cf752fd525710a2c7dc40bee9b09ee9
                • MD5 SHA1 SHA512 SSDEEP TLSH

                events

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\events\events
                • Size 1KB
                • SHA256 07fbf6a0a90abb0c65c7bce3985342c9bf4d7702ffae450f978f9c1c21a7dbfe
                • MD5 SHA1 SHA512 TLSH

                17657d3e-ac5c-48a7-abec-dd044126f329

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\pending_pings\17657d3e-ac5c-48a7-abec-dd044126f329
                • Size 235B
                • SHA256 1a2d4d39d5f679c31fea241fa28adaf3cf3ad7e0f8b62b9f0b34b067e2a2d43d
                • MD5 SHA1 SHA512 TLSH

                2eb7ef7a-9b9a-49fe-956f-f4f895335fd5

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\pending_pings\2eb7ef7a-9b9a-49fe-956f-f4f895335fd5
                • Size 883B
                • SHA256 9c60a3b43a60a4d28a11a864737fb27886da81d4a85a938bbfb68300b04d0bbd
                • MD5 SHA1 SHA512 TLSH

                7bd1d552-7cdd-43ed-ab73-64a18b3e681b

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\pending_pings\7bd1d552-7cdd-43ed-ab73-64a18b3e681b
                • Size 235B
                • SHA256 61472866dde2f905129eb286a8ba9c23f3f3c7f0985b3f4cfb7fce0210b1ae5f
                • MD5 SHA1 SHA512 TLSH

                7fd42e00-8919-4a69-9f4a-14856204062c

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\pending_pings\7fd42e00-8919-4a69-9f4a-14856204062c
                • Size 16KB
                • SHA256 81e9378a4b2ed1ca70293b18866c5abfafabb2288de648c52bb920ae5c50a0f4
                • MD5 SHA1 SHA512 SSDEEP TLSH

                edbdd1b2-f831-4bd1-a408-fa231d248e74

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\pending_pings\edbdd1b2-f831-4bd1-a408-fa231d248e74
                • Size 886B
                • SHA256 178d1309905e5b299618eb14f72b1abf86fd5bd7e645aaf41ace6cba9dacc6c8
                • MD5 SHA1 SHA512 TLSH

                eec5ac4f-c9a7-4eed-abeb-e35cc239cfa8

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\datareporting\glean\pending_pings\eec5ac4f-c9a7-4eed-abeb-e35cc239cfa8
                • Size 2KB
                • SHA256 bbafffd9a84a85251e42c2abf578c8dbab9c06a2e820fae45a60b2877e81da5f
                • MD5 SHA1 SHA512 TLSH

                prefs-1.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\prefs-1.js
                • Size 6KB
                • SHA256 3f625ecdae277d8b4e2eb25165bb58d861cad6801fbd3f8652a2ec8b1cf00d1d
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prefs.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6apqb380.default-release\prefs.js
                • Size 6KB
                • SHA256 3ce9af2c821ce025a71333bbda2dbe04da392e0ae724f40ac813543bcf7d5a35
                • MD5 SHA1 SHA512 SSDEEP TLSH