Resubmissions

08/07/2026, 09:38

260708-ll6neady6z10

08/07/2026, 09:37

260708-llngtsey6r5

08/07/2026, 07:19

260708-h5pbpadt2k5

Analysis

  • user interaction
    yes
  • max time kernel
    136s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    08/07/2026, 07:19

General

  • Target
    nvml.dll
  • Size 327KB
  • Sample260708-h5pbpadt2k
  • SHA256 436e791e379f21c0dc55597e739466158cd343fab9da528d1b5b586518268cd7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks processor information in registry 2 TTPs 23 IoCs

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

  • Modifies registry class 3 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 38 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\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\nvml.dll,#1
    1⤵
      PID:3524
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:3040
      • C:\Windows\system32\OpenWith.exe
        C:\Windows\system32\OpenWith.exe -Embedding
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4792
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "C:\Users\Admin\AppData\Local\Temp\nvml.dll"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2796
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url C:\Users\Admin\AppData\Local\Temp\nvml.dll
            3⤵
            • 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:1452
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 1960 -prefsLen 27097 -prefMapHandle 1964 -prefMapSize 270279 -ipcHandle 1940 -initialChannelId {9032eb34-0622-491d-876b-bc91ab82dd3f} -parentPid 1452 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1452" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
              4⤵
                PID:6080
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2436 -prefsLen 27133 -prefMapHandle 2440 -prefMapSize 270279 -ipcHandle 2448 -initialChannelId {bdad5ca6-9450-4733-98fb-b4ab16e6bec0} -parentPid 1452 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1452" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
                4⤵
                • Checks processor information in registry
                PID:1352
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3684 -prefsLen 27274 -prefMapHandle 3688 -prefMapSize 270279 -jsInitHandle 3692 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3700 -initialChannelId {f2522fd3-7698-4939-b0a1-13e0ce3537a4} -parentPid 1452 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1452" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
                4⤵
                • Checks processor information in registry
                PID:2552
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3852 -prefsLen 27274 -prefMapHandle 3856 -prefMapSize 270279 -ipcHandle 3728 -initialChannelId {f385af6e-68e2-4411-bb97-2e70252783f1} -parentPid 1452 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1452" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
                4⤵
                  PID:4808
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 2748 -prefsLen 34773 -prefMapHandle 2752 -prefMapSize 270279 -jsInitHandle 4312 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4324 -initialChannelId {d4540cf1-805a-4d72-adf5-4bc54d2dac06} -parentPid 1452 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1452" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
                  4⤵
                  • Checks processor information in registry
                  PID:3744
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 5192 -prefsLen 34928 -prefMapHandle 5196 -prefMapSize 270279 -ipcHandle 5004 -initialChannelId {191ce276-9d58-4283-a50a-b635ae01cd19} -parentPid 1452 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1452" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
                  4⤵
                  • Checks processor information in registry
                  PID:6104
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5688 -prefsLen 32951 -prefMapHandle 5696 -prefMapSize 270279 -jsInitHandle 5684 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5704 -initialChannelId {dd6a4329-1448-4c4d-9f60-724f66a38da0} -parentPid 1452 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1452" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
                  4⤵
                  • Checks processor information in registry
                  PID:6408
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5892 -prefsLen 32951 -prefMapHandle 5896 -prefMapSize 270279 -jsInitHandle 5900 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5908 -initialChannelId {2fd55158-3c38-4b25-b43e-ed6525b84662} -parentPid 1452 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1452" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
                  4⤵
                  • Checks processor information in registry
                  PID:6428
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 6076 -prefsLen 32951 -prefMapHandle 6080 -prefMapSize 270279 -jsInitHandle 6084 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 6092 -initialChannelId {07b7cbb6-cd39-41a9-a01c-364901d491e4} -parentPid 1452 -crashReporter "\\.\pipe\gecko-crash-server-pipe.1452" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
                  4⤵
                  • Checks processor information in registry
                  PID:6440
          • C:\Windows\system32\OpenWith.exe
            C:\Windows\system32\OpenWith.exe -Embedding
            1⤵
            • Modifies registry class
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:5456
            • C:\Windows\system32\NOTEPAD.EXE
              "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\nvml.dll
              2⤵
              • Opens file in notepad (likely ransom note)
              PID:5816

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                data.safe.tmp

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ke5ymhi.default-release\datareporting\glean\db\data.safe.tmp
                • Size 34KB
                • SHA256 369dd6da3022f7e79c0c8f8b8c244c2e1297c120ff880d3064275c62ae4aa605
                • MD5 SHA1 SHA512 SSDEEP TLSH

                data.safe.tmp

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ke5ymhi.default-release\datareporting\glean\db\data.safe.tmp
                • Size 7KB
                • SHA256 dd202b7d23b546d66d95d724723fee693a958cb7001273ed62854351a0f8974c
                • MD5 SHA1 SHA512 SSDEEP TLSH

                events

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ke5ymhi.default-release\datareporting\glean\events\events
                • Size 1KB
                • SHA256 c0e93aad84a84e6254f16a66bfbcb9ad0c5c6ba293f6042ea8e939c32f56ec89
                • MD5 SHA1 SHA512 TLSH

                5f00dad8-5096-417c-9ffa-49e40f3cb0eb

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ke5ymhi.default-release\datareporting\glean\pending_pings\5f00dad8-5096-417c-9ffa-49e40f3cb0eb
                • Size 235B
                • SHA256 3fb09b6c36efb5e0a8f3e9373d13d5543856cfad6aac2ea63620d12dcec67a92
                • MD5 SHA1 SHA512 TLSH

                8425fb8a-71a8-4483-a48e-4ec62adbf8f1

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ke5ymhi.default-release\datareporting\glean\pending_pings\8425fb8a-71a8-4483-a48e-4ec62adbf8f1
                • Size 2KB
                • SHA256 33e94719cdcf847b0080e51f6464a917787c34e9a97b5333cb11c9f9d0cf50c9
                • MD5 SHA1 SHA512 TLSH

                b7cdf20e-2cd7-45bf-90ed-f0b3455bb030

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ke5ymhi.default-release\datareporting\glean\pending_pings\b7cdf20e-2cd7-45bf-90ed-f0b3455bb030
                • Size 16KB
                • SHA256 9dfd645a47e65b21dcf6286f0121ff9753450a295650bc6fbd806e13267a7d23
                • MD5 SHA1 SHA512 SSDEEP TLSH

                babff451-b64d-41c6-982d-fda23b70a38b

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ke5ymhi.default-release\datareporting\glean\pending_pings\babff451-b64d-41c6-982d-fda23b70a38b
                • Size 235B
                • SHA256 d84e8e0df949bc5c8ed35e4f4c33d799a1927ba0586b8a00aa6233bd3bc120a3
                • MD5 SHA1 SHA512 TLSH

                dcda4514-88b5-46c7-93f2-de5900268214

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ke5ymhi.default-release\datareporting\glean\pending_pings\dcda4514-88b5-46c7-93f2-de5900268214
                • Size 883B
                • SHA256 6d0734b7eeb81fdc40f46692a9461de4ce7992ef46515e26f711d660eb53ec26
                • MD5 SHA1 SHA512 TLSH

                ed1589d5-6c2c-4192-a5c8-867ab969f09f

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ke5ymhi.default-release\datareporting\glean\pending_pings\ed1589d5-6c2c-4192-a5c8-867ab969f09f
                • Size 886B
                • SHA256 140cafa4c1b2dd55c813eb212701c844d73563b1b02127f873fb0599f123db67
                • MD5 SHA1 SHA512 TLSH

                prefs-1.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ke5ymhi.default-release\prefs-1.js
                • Size 6KB
                • SHA256 1a8963c900c3c9ec44dd6b601c8b88f81d93f23a534698fb77f7772e663b590f
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prefs.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\6ke5ymhi.default-release\prefs.js
                • Size 6KB
                • SHA256 905e3dfe86203d31229270b2a3379672713ce021977a6132a228902d8f992d29
                • MD5 SHA1 SHA512 SSDEEP TLSH

                nvml.dll

                • Path C:\Users\Admin\Downloads\nvml.dll
                • Size 327KB
                • SHA256 436e791e379f21c0dc55597e739466158cd343fab9da528d1b5b586518268cd7
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/3524-0-0x00007FFB0A230000-0x00007FFB0A271000-memory.dmp