Analysis

  • user interaction
    yes
  • max time kernel
    139s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/08/2026, 17:23

General

  • Target
    code.txt
  • Size 813B
  • Sample260815-vyb41aem2x
  • SHA256 be5ece4e7ca85595ccbfa061aff9193673264ddf1b95632e3f1eb83c25c0a4cb
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Checks processor information in registry 2 TTPs 19 IoCs

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

  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 5 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:\Windows\system32\NOTEPAD.EXE
    C:\Windows\system32\NOTEPAD.EXE C:\Users\Admin\AppData\Local\Temp\code.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:5144
  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1068
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      2⤵
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1860
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 1952 -prefsLen 27097 -prefMapHandle 1956 -prefMapSize 270279 -ipcHandle 2028 -initialChannelId {772ad41a-4ccf-4dc8-aafe-77d399f3ab1c} -parentPid 1860 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1860" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
        3⤵
          PID:2156
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2408 -prefsLen 27133 -prefMapHandle 2412 -prefMapSize 270279 -ipcHandle 2420 -initialChannelId {3fc05e1c-1567-4805-8148-edfb096df329} -parentPid 1860 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1860" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
          3⤵
            PID:2232
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3864 -prefsLen 27323 -prefMapHandle 3868 -prefMapSize 270279 -jsInitHandle 3872 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3880 -initialChannelId {c2204251-6a74-4904-8fb3-528ed57ec370} -parentPid 1860 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1860" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
            3⤵
            • Checks processor information in registry
            PID:2792
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 4036 -prefsLen 27323 -prefMapHandle 4040 -prefMapSize 270279 -ipcHandle 4048 -initialChannelId {fb701ea5-8f6b-467c-b3d0-55b19da57e61} -parentPid 1860 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1860" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
            3⤵
              PID:2888
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4520 -prefsLen 34822 -prefMapHandle 4528 -prefMapSize 270279 -jsInitHandle 4532 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4540 -initialChannelId {7ce3114f-1dd8-49ba-9c22-3b84166e9d58} -parentPid 1860 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1860" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
              3⤵
              • Checks processor information in registry
              PID:812
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 5108 -prefsLen 35010 -prefMapHandle 5112 -prefMapSize 270279 -ipcHandle 3228 -initialChannelId {01dab851-742e-4fa2-90f1-07fc0b60dabe} -parentPid 1860 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1860" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
              3⤵
              • Checks processor information in registry
              PID:256
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3188 -prefsLen 32952 -prefMapHandle 3032 -prefMapSize 270279 -jsInitHandle 3192 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4836 -initialChannelId {c6c9353f-afb0-4ece-b733-434f22b4a51a} -parentPid 1860 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1860" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
              3⤵
              • Checks processor information in registry
              PID:5920
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4948 -prefsLen 32952 -prefMapHandle 4952 -prefMapSize 270279 -jsInitHandle 4956 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 1652 -initialChannelId {b3be0b23-11ae-4e31-9d16-d3f96d6b5fdc} -parentPid 1860 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1860" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
              3⤵
              • Checks processor information in registry
              PID:2812
            • 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 5800 -initialChannelId {13230625-a456-4373-ad41-1beb016ed4a2} -parentPid 1860 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1860" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
              3⤵
              • Checks processor information in registry
              PID:2608

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zatx2150.default-release\datareporting\glean\db\data.safe.tmp
              • Size 7KB
              • SHA256 e5d3edcde0051d77378b1ff3ddd8ed99a6ba2c9d6bed71c7f1fffd37c21d3a9b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zatx2150.default-release\datareporting\glean\db\data.safe.tmp
              • Size 5KB
              • SHA256 ef2cea34ee285536825a66e892b71066888cacdeac0ba187f668a52db03c2340
              • MD5 SHA1 SHA512 SSDEEP TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zatx2150.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 d5c36487403c61c5e1f13d64af8ac7911584486d551c049385c186ae4511bff9
              • MD5 SHA1 SHA512 TLSH

              0cecf767-72a7-42a5-a70b-02cf9b9a6976

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zatx2150.default-release\datareporting\glean\pending_pings\0cecf767-72a7-42a5-a70b-02cf9b9a6976
              • Size 886B
              • SHA256 e8069bd78dfb5382a29965c52a9ad047bed7a683f44b76742b8e4134ec0f342a
              • MD5 SHA1 SHA512 TLSH

              0f762e2b-2076-4c48-973d-c78e06a44944

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zatx2150.default-release\datareporting\glean\pending_pings\0f762e2b-2076-4c48-973d-c78e06a44944
              • Size 2KB
              • SHA256 e3c0761993876ba3c9140eaf1e49aceace3d4ee4e973197e797eca36f7179b53
              • MD5 SHA1 SHA512 TLSH

              391d20a7-4019-4684-8078-1ae4aeba22b9

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zatx2150.default-release\datareporting\glean\pending_pings\391d20a7-4019-4684-8078-1ae4aeba22b9
              • Size 235B
              • SHA256 8aef94f9f67ab1ec34d8dd0cbe1be0eec1e51131db7512bf99eda166019bcbf5
              • MD5 SHA1 SHA512 TLSH

              6b436e0e-e2d6-4921-a218-decb1805ced4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zatx2150.default-release\datareporting\glean\pending_pings\6b436e0e-e2d6-4921-a218-decb1805ced4
              • Size 16KB
              • SHA256 13bf7be2c41854f912d749c94f2421c6368e69053aeae39f34d0b4170786dc8a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              820cd229-47ab-444e-9eef-0ef32f5eb88e

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zatx2150.default-release\datareporting\glean\pending_pings\820cd229-47ab-444e-9eef-0ef32f5eb88e
              • Size 235B
              • SHA256 660dd64380518b839dee967b0fa3f1289e72d4de843881f2defd6ebe7f2c4bb5
              • MD5 SHA1 SHA512 TLSH

              e55fad2c-f682-4764-b1d6-509b9e1f2243

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zatx2150.default-release\datareporting\glean\pending_pings\e55fad2c-f682-4764-b1d6-509b9e1f2243
              • Size 883B
              • SHA256 3a9d9bd06891be7c5bb4390836ec07c6f404507745c9e0eb0dbf88772ef7b09f
              • MD5 SHA1 SHA512 TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zatx2150.default-release\prefs.js
              • Size 6KB
              • SHA256 210c5663c2eb09140695e5f04abb66d424fca63825c9319b4744f68ec6b46fd3
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zatx2150.default-release\prefs.js
              • Size 6KB
              • SHA256 2a70496fe058123154b6e9aed60e3b6920073a9140ccd1f90951af7172752dfb
              • MD5 SHA1 SHA512 SSDEEP TLSH

              3870112724rsegmnoittet-es.sqlite

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\zatx2150.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
              • Size 5.0MB
              • SHA256 63284e456e008aec7f882ebfe92f78e88cac5a00d8ce6028e42caa0b3c0b49ce
              • MD5 SHA1 SHA512 SSDEEP TLSH