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
    127s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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 22 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 30 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:1296
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:624
      • C:\Windows\system32\OpenWith.exe
        C:\Windows\system32\OpenWith.exe -Embedding
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:716
        • 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:2024
          • 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:3068
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2004 -prefsLen 27099 -prefMapHandle 2008 -prefMapSize 270279 -ipcHandle 2084 -initialChannelId {0440171b-e137-48fd-91ad-069432d1e045} -parentPid 3068 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3068" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
              4⤵
                PID:4152
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2496 -prefsLen 27135 -prefMapHandle 2500 -prefMapSize 270279 -ipcHandle 2508 -initialChannelId {c1a2b6d4-3227-4a31-8910-0539fd479bd5} -parentPid 3068 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3068" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
                4⤵
                • Checks processor information in registry
                PID:1696
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3852 -prefsLen 27276 -prefMapHandle 3856 -prefMapSize 270279 -jsInitHandle 3860 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3868 -initialChannelId {037964c4-4357-479c-91ae-7c3b22ef25e1} -parentPid 3068 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3068" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
                4⤵
                • Checks processor information in registry
                PID:2012
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3996 -prefsLen 27276 -prefMapHandle 4000 -prefMapSize 270279 -ipcHandle 2896 -initialChannelId {fda5d42c-d5cf-4055-82e9-dce60012c2fe} -parentPid 3068 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3068" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
                4⤵
                  PID:1064
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3768 -prefsLen 34775 -prefMapHandle 3808 -prefMapSize 270279 -jsInitHandle 3812 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4388 -initialChannelId {0d35c436-928d-44cb-86b9-0ed3de3f15e6} -parentPid 3068 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3068" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
                  4⤵
                  • Checks processor information in registry
                  PID:3812
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 2952 -prefsLen 35012 -prefMapHandle 2796 -prefMapSize 270279 -ipcHandle 2800 -initialChannelId {9fee1f8b-f799-4d2b-9d35-d05d589503b3} -parentPid 3068 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3068" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
                  4⤵
                  • Checks processor information in registry
                  PID:5564
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5168 -prefsLen 32900 -prefMapHandle 5172 -prefMapSize 270279 -jsInitHandle 5176 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5188 -initialChannelId {ee83ead2-4d3b-40cf-9f6a-a74819858d3f} -parentPid 3068 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3068" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
                  4⤵
                  • Checks processor information in registry
                  PID:5580
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5292 -prefsLen 32900 -prefMapHandle 5296 -prefMapSize 270279 -jsInitHandle 5300 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5308 -initialChannelId {d2fe0cb9-7ba0-406b-b497-798d440f7a12} -parentPid 3068 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3068" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
                  4⤵
                  • Checks processor information in registry
                  PID:5588
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5688 -prefsLen 32952 -prefMapHandle 5692 -prefMapSize 270279 -jsInitHandle 5696 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5176 -initialChannelId {7cff01d2-d753-414c-8e66-f3fe8082079a} -parentPid 3068 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3068" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
                  4⤵
                  • Checks processor information in registry
                  PID:5600
          • C:\Windows\system32\OpenWith.exe
            C:\Windows\system32\OpenWith.exe -Embedding
            1⤵
            • Modifies registry class
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2532
            • 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:1960

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                data.safe.tmp

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\db\data.safe.tmp
                • Size 6KB
                • SHA256 4588fef446607afb37cc299940275ec3bfd7db51693607c1667114554e22631b
                • MD5 SHA1 SHA512 SSDEEP TLSH

                data.safe.tmp

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\db\data.safe.tmp
                • Size 7KB
                • SHA256 c61da8da50bc56388d4d2580f90fac023c9d3d14c2ad78eda4a5e033bf3310bf
                • MD5 SHA1 SHA512 SSDEEP TLSH

                events

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\events\events
                • Size 1KB
                • SHA256 2a111c69587e38902f2406f313cbe0235d7466b35fb6ba49d24e5864ce894f92
                • MD5 SHA1 SHA512 TLSH

                29a54b58-220b-47e0-aeea-355f7e1de93a

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\pending_pings\29a54b58-220b-47e0-aeea-355f7e1de93a
                • Size 2KB
                • SHA256 2ee502427e5cd7dfaa074b6f058cadf35722d59155d0ee3a6a340c7d4fbad228
                • MD5 SHA1 SHA512 TLSH

                545ac773-bd81-466f-9313-573defe8dea0

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\pending_pings\545ac773-bd81-466f-9313-573defe8dea0
                • Size 235B
                • SHA256 14e50f3bbbfd8cb766dadb35cd11266ad45dcc5c2a0fb2b3c7c48ffa67f54e31
                • MD5 SHA1 SHA512 TLSH

                5c5b0f0b-bd58-4fd8-9ba6-fb9313e335e9

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\pending_pings\5c5b0f0b-bd58-4fd8-9ba6-fb9313e335e9
                • Size 886B
                • SHA256 8dcd02a2c9f845f8dcd728fa3c2a87aadd86102d8f51b4a8e0481cc4f94442f1
                • MD5 SHA1 SHA512 TLSH

                962e2e36-a814-4cfa-9565-3fcc999b62cd

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\pending_pings\962e2e36-a814-4cfa-9565-3fcc999b62cd
                • Size 235B
                • SHA256 c489ab7eb6cf71d945bff67ef5b7106df6ecb2e2a4ceee60b6e222a7ed84040d
                • MD5 SHA1 SHA512 TLSH

                a3b590fb-e5c9-40ed-8a6f-8a91ba8ef71d

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\pending_pings\a3b590fb-e5c9-40ed-8a6f-8a91ba8ef71d
                • Size 16KB
                • SHA256 a3651d270050b3bea4923cba990259ab8fac82517fc278df55333c2f0caaa01b
                • MD5 SHA1 SHA512 SSDEEP TLSH

                ed080874-5455-497a-9f41-7dcc1185a468

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\pending_pings\ed080874-5455-497a-9f41-7dcc1185a468
                • Size 883B
                • SHA256 61111d722b7133fb73d467a7446aecc962d83ad98bce9922ebbcf9b4baadda8e
                • MD5 SHA1 SHA512 TLSH

                prefs-1.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\prefs-1.js
                • Size 6KB
                • SHA256 2de532722136e3ac2be51ff94f14ae0498a56abce17aa40751c06fb60b972cb6
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prefs.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\prefs.js
                • Size 6KB
                • SHA256 b27bcd567c0aeabb8e8e33c91062715f0f36f06db59414391328bb5bfae6f619
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prefs.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\prefs.js
                • Size 6KB
                • SHA256 d2d2b4fa3fc53eba5e3f3975429812693cdf32482c0f1047b854cc2fd6326265
                • MD5 SHA1 SHA512 SSDEEP TLSH

                prefs.js

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\prefs.js
                • Size 6KB
                • SHA256 2334c38eb4226c13dd0b402cc4cfbc0e64485cb6f47e5b1eda3358dcc97e5cb3
                • MD5 SHA1 SHA512 SSDEEP TLSH

                sessionCheckpoints.json

                • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\sessionCheckpoints.json
                • Size 259B
                • SHA256 50a670fb78ff2712aae2c16d9499e01c15fddf24e229330d02a69b0527a38092
                • MD5 SHA1 SHA512 TLSH

                nvml.dll

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

                memory/1296-0-0x00007FFE590D0000-0x00007FFE59111000-memory.dmp