Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    158s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260911-en
  • resource tags

    arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    16/09/2026, 22:43

General

  • Target
    setup_linux.sh
  • Size 12KB
  • Sample260916-2nhmcsfb96
  • SHA256 0571b0ae077d985616acf9f4101e8338fc225b1b22aa7b339100c7ea3f3022be
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Drops desktop.ini file(s) 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Checks processor information in registry 2 TTPs 18 IoCs

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

  • Modifies registry class 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 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\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\setup_linux.sh
    1⤵
    • Executes a command shell one-liner
    • Modifies registry class
    PID:4444
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:8
  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5256
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      2⤵
      • Drops desktop.ini file(s)
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3884
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 1968 -prefsLen 27097 -prefMapHandle 1972 -prefMapSize 270279 -ipcHandle 2044 -initialChannelId {84e878be-b343-4c67-abcd-8978e437033f} -parentPid 3884 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3884" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
        3⤵
          PID:1192
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2416 -prefsLen 27133 -prefMapHandle 2420 -prefMapSize 270279 -ipcHandle 2428 -initialChannelId {7a125949-6025-426e-88b1-4e1ab05d9b2c} -parentPid 3884 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3884" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
          3⤵
            PID:3716
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3800 -prefsLen 27274 -prefMapHandle 3804 -prefMapSize 270279 -jsInitHandle 3808 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3816 -initialChannelId {e0c14f2e-5309-4ded-9445-3e1fcd1061ad} -parentPid 3884 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3884" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
            3⤵
            • Checks processor information in registry
            PID:3760
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3964 -prefsLen 27274 -prefMapHandle 3968 -prefMapSize 270279 -ipcHandle 3984 -initialChannelId {a6d1a650-057a-4869-9ec4-9bf1f3abe348} -parentPid 3884 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3884" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
            3⤵
              PID:4496
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 2972 -prefsLen 34773 -prefMapHandle 3176 -prefMapSize 270279 -jsInitHandle 2648 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3212 -initialChannelId {0dab712a-42f3-427a-9e3f-8f66e61efdbb} -parentPid 3884 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3884" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
              3⤵
              • Checks processor information in registry
              PID:5392
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 4972 -prefsLen 34822 -prefMapHandle 4976 -prefMapSize 270279 -ipcHandle 4864 -initialChannelId {2b47c7c0-ca65-47d3-b659-153af6ccc688} -parentPid 3884 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3884" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
              3⤵
              • Checks processor information in registry
              PID:392
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3136 -prefsLen 32952 -prefMapHandle 5512 -prefMapSize 270279 -jsInitHandle 5296 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5104 -initialChannelId {d0bdc86e-9158-4036-93c6-87339e377fbd} -parentPid 3884 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3884" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
              3⤵
              • Checks processor information in registry
              PID:784
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5680 -prefsLen 32952 -prefMapHandle 5684 -prefMapSize 270279 -jsInitHandle 5688 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5296 -initialChannelId {bffb0d22-c912-4598-afe3-c839b9b7dc20} -parentPid 3884 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3884" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
              3⤵
              • Checks processor information in registry
              PID:6116
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5856 -prefsLen 32952 -prefMapHandle 5860 -prefMapSize 270279 -jsInitHandle 5864 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 2864 -initialChannelId {484d73dd-a486-4443-9f22-52d3da1d1ed6} -parentPid 3884 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3884" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
              3⤵
              • Checks processor information in registry
              PID:5980

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              5E43012191E7B1F510ACD5BF039D8BF1B9A277B2

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\wi9zt29h.default-release\cache2\entries\5E43012191E7B1F510ACD5BF039D8BF1B9A277B2
              • Size 16KB
              • SHA256 2e91358c8c72192b99aaf871f57a6f7b37d405f05174e9916cf7b032eb34e9fc
              • MD5 SHA1 SHA512 SSDEEP TLSH

              AABAB860D2646FDCEACF8AAC0CD412654CE5E4C0

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\wi9zt29h.default-release\cache2\entries\AABAB860D2646FDCEACF8AAC0CD412654CE5E4C0
              • Size 16KB
              • SHA256 00736b4f46af684076dd05480b7276a809cc32898454fb7ae6bf53da01752b7a
              • MD5 SHA1 SHA512 SSDEEP TLSH

              4d48c050-4202-4406-b2fa-37badab91527.zip

              • Path C:\Users\Admin\AppData\Local\Temp\4d48c050-4202-4406-b2fa-37badab91527.zip
              • Size 3.8MB
              • SHA256 3a5e0e3ef423465432da3d135fd7f95d6ba85c3a757e033b768e1114fd4cbc34
              • 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\wi9zt29h.default-release\datareporting\glean\db\data.safe.tmp
              • Size 7KB
              • SHA256 23f6b263738a663198f87d30bf27a85ca925e677e8813c45ef4eaf8bb88c5503
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wi9zt29h.default-release\datareporting\glean\db\data.safe.tmp
              • Size 25KB
              • SHA256 765919628691a46a27e21c8f53e712333957f7789e2fc7332b49770c6f039218
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wi9zt29h.default-release\datareporting\glean\db\data.safe.tmp
              • Size 25KB
              • SHA256 53561a4394f6d1854c3c65958d9d63a1b53732846ad87fd622782aa8635fbb02
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wi9zt29h.default-release\datareporting\glean\db\data.safe.tmp
              • Size 6KB
              • SHA256 8818d97a25cf9c8025c14535549614e8566b990de2d40d44af0be58ecefc654e
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wi9zt29h.default-release\datareporting\glean\db\data.safe.tmp
              • Size 25KB
              • SHA256 d3eac53eedfb9a554c7099f713dc42b868e1019ed3087b1fa9f8290accc4e202
              • MD5 SHA1 SHA512 SSDEEP TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wi9zt29h.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 d8deb3d3a188da2bdefc774b7f418a77e35771bd812cdd2276ec977039b161c7
              • MD5 SHA1 SHA512 TLSH

              03252dde-94a4-46ba-91a7-402f025a24da

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wi9zt29h.default-release\datareporting\glean\pending_pings\03252dde-94a4-46ba-91a7-402f025a24da
              • Size 883B
              • SHA256 04797c364d25db3d051fe8b0e5b2057ea2a0907d9388ada70dc62751320a56c9
              • MD5 SHA1 SHA512 TLSH

              26c2defe-f1c8-4dbb-ac61-23817ec4b549

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wi9zt29h.default-release\datareporting\glean\pending_pings\26c2defe-f1c8-4dbb-ac61-23817ec4b549
              • Size 235B
              • SHA256 56dbfe3d6369dc6bfa61c07e6d18b428e23a8a9ced297a92983a73172683cf05
              • MD5 SHA1 SHA512 TLSH

              2a633db0-76d8-482c-ba8f-23c80b669b6a

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wi9zt29h.default-release\datareporting\glean\pending_pings\2a633db0-76d8-482c-ba8f-23c80b669b6a
              • Size 886B
              • SHA256 db7bd1a5990661db9a30e3923c69422b02d6debb1cbe772daf17d608c4ebea60
              • MD5 SHA1 SHA512 TLSH

              9ef1cf47-9b0b-4134-b39f-0b02f63e7cc5

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wi9zt29h.default-release\datareporting\glean\pending_pings\9ef1cf47-9b0b-4134-b39f-0b02f63e7cc5
              • Size 2KB
              • SHA256 02e207685f57a55058802b263e9172de36a4b468afd7175a9e7f3cca89f3ce24
              • MD5 SHA1 SHA512 TLSH

              bbb720f9-fbd1-4132-8476-0e8ab2f07cef

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wi9zt29h.default-release\datareporting\glean\pending_pings\bbb720f9-fbd1-4132-8476-0e8ab2f07cef
              • Size 16KB
              • SHA256 58081bde065da5d717a65176127e50774b0f605553d6e257bf18b2b332e7eb50
              • MD5 SHA1 SHA512 SSDEEP TLSH

              e7075da5-0bc7-4360-8caa-50645e10eee4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wi9zt29h.default-release\datareporting\glean\pending_pings\e7075da5-0bc7-4360-8caa-50645e10eee4
              • Size 235B
              • SHA256 a5d1e42e2915f2d7b9ec38f9df59e33c1ccfeb2359dbc212de8252de63b4d1ee
              • MD5 SHA1 SHA512 TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wi9zt29h.default-release\extensions.json
              • Size 16KB
              • SHA256 86ffa8c8165af2e42fa6be50a393f23a3b6c177de130e195c890eae8ba130154
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wi9zt29h.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\wi9zt29h.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\wi9zt29h.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\wi9zt29h.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\wi9zt29h.default-release\prefs-1.js
              • Size 7KB
              • SHA256 a80bdbe904c5d2effce1894a8f913a160fed7d63ca5048d4b203d33ac2485139
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wi9zt29h.default-release\prefs-1.js
              • Size 12KB
              • SHA256 264d3470b579ae402aab181f0f416573feae928d9af0b3424ed6422e03c8356b
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wi9zt29h.default-release\prefs.js
              • Size 6KB
              • SHA256 4b1ec000198be4b0bdde96e9d00ce9608b50ceccc57d3d3d89f107b2e97a4dd6
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wi9zt29h.default-release\prefs.js
              • Size 6KB
              • SHA256 6e3c504435df05c7c102cb228e6001335272863db7f79d7c0ab65effb7cabb30
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.jsonlz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\wi9zt29h.default-release\sessionstore-backups\recovery.jsonlz4
              • Size 1KB
              • SHA256 dd3585d28329a65d032021b19043dea9dc20ca662727e01111e165d260a3a781
              • MD5 SHA1 SHA512 TLSH