Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/09/2026, 12:55

General

  • Target
    2026-09-10_9d98583fe0063593a8ccd04fc1b5a8bf_cobalt-strike_elex_icedid_luca-stealer_njrat_stealc_swisyn.exe
  • Size 516KB
  • Sample260910-p52qcaxvbx
  • SHA256 542b07411fb5753d5c3fdef8ad07f37b9391c4b0952c5408e1f52aa09fa89cd0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 43 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\2026-09-10_9d98583fe0063593a8ccd04fc1b5a8bf_cobalt-strike_elex_icedid_luca-stealer_njrat_stealc_swisyn.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-09-10_9d98583fe0063593a8ccd04fc1b5a8bf_cobalt-strike_elex_icedid_luca-stealer_njrat_stealc_swisyn.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4996
    • \??\c:\users\admin\appdata\local\temp\2026-09-10_9d98583fe0063593a8ccd04fc1b5a8bf_cobalt-strike_elex_icedid_luca-stealer_njrat_stealc_swisyn.exe 
      c:\users\admin\appdata\local\temp\2026-09-10_9d98583fe0063593a8ccd04fc1b5a8bf_cobalt-strike_elex_icedid_luca-stealer_njrat_stealc_swisyn.exe 
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2400
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4708
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe"
          4⤵
          • 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:4604
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2032 -prefsLen 27099 -prefMapHandle 2036 -prefMapSize 270279 -ipcHandle 2128 -initialChannelId {7232c577-ce19-447e-b0e0-25187c699dee} -parentPid 4604 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4604" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
            5⤵
              PID:5076
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2488 -prefsLen 27135 -prefMapHandle 2492 -prefMapSize 270279 -ipcHandle 2508 -initialChannelId {c0fdfed9-6ad6-4164-b5ad-3320e4bb0dd5} -parentPid 4604 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4604" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
              5⤵
                PID:1716
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3680 -prefsLen 27276 -prefMapHandle 3684 -prefMapSize 270279 -jsInitHandle 3688 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3696 -initialChannelId {13fc7f70-8d12-4fa5-a58a-ebe114183f49} -parentPid 4604 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4604" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
                5⤵
                • Checks processor information in registry
                PID:212
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3844 -prefsLen 27276 -prefMapHandle 3848 -prefMapSize 270279 -ipcHandle 3864 -initialChannelId {a83d46c6-a982-4a6f-bf00-5d20464d5e7b} -parentPid 4604 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4604" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
                5⤵
                  PID:2484
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 1584 -prefsLen 34775 -prefMapHandle 4288 -prefMapSize 270279 -jsInitHandle 4292 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3204 -initialChannelId {4a8b8722-ee13-4163-9f75-7eeb0a7ff511} -parentPid 4604 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4604" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
                  5⤵
                  • Checks processor information in registry
                  PID:4780
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 4844 -prefsLen 35012 -prefMapHandle 2840 -prefMapSize 270279 -ipcHandle 4916 -initialChannelId {68b76014-a785-4f28-9fc5-4bebf4f5e58b} -parentPid 4604 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4604" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
                  5⤵
                  • Checks processor information in registry
                  PID:972
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5112 -prefsLen 32900 -prefMapHandle 5116 -prefMapSize 270279 -jsInitHandle 5124 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5136 -initialChannelId {2d1a60b5-e020-4f42-9cec-c00059913816} -parentPid 4604 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4604" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
                  5⤵
                  • Checks processor information in registry
                  PID:4928
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5152 -prefsLen 32900 -prefMapHandle 5156 -prefMapSize 270279 -jsInitHandle 5160 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5164 -initialChannelId {400cfd9a-0071-4e42-9631-d51bd6970f33} -parentPid 4604 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4604" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
                  5⤵
                  • Checks processor information in registry
                  PID:3120
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5524 -prefsLen 32952 -prefMapHandle 5528 -prefMapSize 270279 -jsInitHandle 5532 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5304 -initialChannelId {da2dead0-f1b1-4440-8b53-86156308cece} -parentPid 4604 -crashReporter "\\.\pipe\gecko-crash-server-pipe.4604" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
                  5⤵
                  • Checks processor information in registry
                  PID:3716
          • C:\Windows\Resources\Themes\icsys.icn.exe
            C:\Windows\Resources\Themes\icsys.icn.exe
            2⤵
            • Executes dropped EXE
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:3428
            • \??\c:\windows\resources\themes\explorer.exe
              c:\windows\resources\themes\explorer.exe
              3⤵
              • Modifies visibility of hidden/system files in Explorer
              • Executes dropped EXE
              • Adds Run key to start application
              • Drops file in System32 directory
              • Drops file in Windows directory
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:1660
              • \??\c:\windows\resources\spoolsv.exe
                c:\windows\resources\spoolsv.exe SE
                4⤵
                • Executes dropped EXE
                • Drops file in Windows directory
                • System Location Discovery: System Language Discovery
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                PID:3368
                • \??\c:\windows\resources\svchost.exe
                  c:\windows\resources\svchost.exe
                  5⤵
                  • Modifies visibility of hidden/system files in Explorer
                  • Executes dropped EXE
                  • Adds Run key to start application
                  • Drops file in System32 directory
                  • System Location Discovery: System Language Discovery
                  • Suspicious behavior: GetForegroundWindowSpam
                  • Suspicious use of SetWindowsHookEx
                  • Suspicious use of WriteProcessMemory
                  PID:2924
                  • \??\c:\windows\resources\spoolsv.exe
                    c:\windows\resources\spoolsv.exe PR
                    6⤵
                    • Executes dropped EXE
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of SetWindowsHookEx
                    PID:3212

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              5E43012191E7B1F510ACD5BF039D8BF1B9A277B2

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\pltyyssw.default-release\cache2\entries\5E43012191E7B1F510ACD5BF039D8BF1B9A277B2
              • Size 16KB
              • SHA256 06ff994360d6c3fdad02f38da25adf55ab1594a6951a6b59e354efd37eef49ce
              • MD5 SHA1 SHA512 SSDEEP TLSH

              2026-09-10_9d98583fe0063593a8ccd04fc1b5a8bf_cobalt-strike_elex_icedid_luca-stealer_njrat_stealc_swisyn.exe 

              • Path C:\Users\Admin\AppData\Local\Temp\2026-09-10_9d98583fe0063593a8ccd04fc1b5a8bf_cobalt-strike_elex_icedid_luca-stealer_njrat_stealc_swisyn.exe 
              • Size 381KB
              • SHA256 c20fd8ba674d57576c1f11c39d24b4cd034d242e63a8d7d6567df514f9b58e33
              • MD5 SHA1 SHA512 SSDEEP TLSH

              tmpaddon

              • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
              • Size 11KB
              • SHA256 ddf3ba4e25a622276755133e0cce5605b83719c7cab3546e09acbfed00d6a986
              • MD5 SHA1 SHA512 SSDEEP TLSH

              tmpaddon

              • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
              • Size 502KB
              • SHA256 87862f4bc8559fbe578389a9501dc01c4c585edb4bb03b238493327296d60171
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\db\data.safe.tmp
              • Size 6KB
              • SHA256 6f15009cbed5bc6bdbee502234572b33e0db673d60e0c6697e3222f6f1648687
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\db\data.safe.tmp
              • Size 5KB
              • SHA256 61c8dcd711a753c5186f14674416fab3899e8f26b206f7af53b484966d067af2
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\db\data.safe.tmp
              • Size 7KB
              • SHA256 e2b193e8c824a3e9be4bbe7bb5f937fb6a73917b0ab4d3671848d0f0b1bd9cbe
              • MD5 SHA1 SHA512 SSDEEP TLSH

              2b8dd0fd-9114-48e2-b8e1-ac4975d947e5

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\pending_pings\2b8dd0fd-9114-48e2-b8e1-ac4975d947e5
              • Size 2KB
              • SHA256 806ea5ebe86f3b28b00d12019f24ab7571788ace8c324b38d5d564e3408d3380
              • MD5 SHA1 SHA512 TLSH

              31a67145-6e9b-40a6-87e1-bb3ca5bc0785

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\pending_pings\31a67145-6e9b-40a6-87e1-bb3ca5bc0785
              • Size 15KB
              • SHA256 72d42d9afa1e0ccbfeb855430837e73b0546541c6d7333d3a34beadca4d0d123
              • MD5 SHA1 SHA512 SSDEEP TLSH

              ad2f3302-1372-4b5c-afa4-d8e952e85c9a

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\pending_pings\ad2f3302-1372-4b5c-afa4-d8e952e85c9a
              • Size 883B
              • SHA256 b7c561bff653a7c2c72d2fd85d1122583b5696c17efba11bc5cb69a323bdfbe8
              • MD5 SHA1 SHA512 TLSH

              b30a37e9-76c2-4234-adb4-7a439734dd4e

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\pending_pings\b30a37e9-76c2-4234-adb4-7a439734dd4e
              • Size 235B
              • SHA256 b4c4a87d644dbf626adb06dccbfc91f6802f2d96e5285c0e3f7be464a93c1365
              • MD5 SHA1 SHA512 TLSH

              b9fd7626-770b-48af-8f28-fc47907621c1

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\pending_pings\b9fd7626-770b-48af-8f28-fc47907621c1
              • Size 886B
              • SHA256 e4c14f27a645e2d9fbdafc86d0d6fd7f74bfe4b873ba5ac7df21c6668be9ab50
              • MD5 SHA1 SHA512 TLSH

              d4e8fbb3-d981-418b-9f59-0e5ad5ce4f92

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\datareporting\glean\pending_pings\d4e8fbb3-d981-418b-9f59-0e5ad5ce4f92
              • Size 235B
              • SHA256 2ccd5fe96ea804d8148fc8aaa2dc34d6272651560255407f3c87c8f48235df54
              • MD5 SHA1 SHA512 TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\extensions.json
              • Size 16KB
              • SHA256 2e5fe1e797f0343e3690b80464485b910c288f590951053f1c93136b4f3c2758
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.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\pltyyssw.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\pltyyssw.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\pltyyssw.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\pltyyssw.default-release\prefs-1.js
              • Size 8KB
              • SHA256 7f7e9f426120dd16daf03f189f9dc5cfe2e14e8a2b6569173193bcd23b882385
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\prefs.js
              • Size 6KB
              • SHA256 1e739ca34c2c6298f6f38e94af259b2f6ec38e619827f80f3c0d922fddcd1854
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\prefs.js
              • Size 6KB
              • SHA256 d513433f7535901ab8fdbea88dcbc94f2b321e08cb0dd210e0c19f546bd62d93
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\prefs.js
              • Size 6KB
              • SHA256 e29206cc4bc1c5516d5be3deb16aa0c9250964976dbcae3e3cae181057b27c12
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pltyyssw.default-release\sessionstore-backups\recovery.baklz4
              • Size 1KB
              • SHA256 7d46c653504d91f02ce33542c7980457ead89d92f27c42f00facacdfe7904d53
              • MD5 SHA1 SHA512 TLSH

              explorer.exe

              • Path C:\Windows\Resources\Themes\explorer.exe
              • Size 135KB
              • SHA256 00553ac34f907c7b09ccc2d91878773230eb5fb3175a2e4cd57b9fbe592401f9
              • MD5 SHA1 SHA512 SSDEEP TLSH

              icsys.icn.exe

              • Path C:\Windows\Resources\Themes\icsys.icn.exe
              • Size 135KB
              • SHA256 52709e3a334ad508c57928f788096c7796c7176e75d2897d4e23a4c3c8683637
              • MD5 SHA1 SHA512 SSDEEP TLSH

              svchost.exe

              • Path C:\Windows\Resources\svchost.exe
              • Size 135KB
              • SHA256 cf044043285c2ba31d1d805efda1a281f61ab35068742f8fc62c5a3d089b266c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              spoolsv.exe

              • Path \??\c:\windows\resources\spoolsv.exe
              • Size 135KB
              • SHA256 32d95555af13ca7917679be7efd9cbd463301bc2f652313c8b0ef2c87593ae7f
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/1660-705-0x0000000000400000-0x000000000041F000-memory.dmp

              memory/2924-706-0x0000000000400000-0x000000000041F000-memory.dmp

              memory/3212-46-0x0000000000400000-0x000000000041F000-memory.dmp

              memory/3368-48-0x0000000000400000-0x000000000041F000-memory.dmp

              memory/3368-33-0x0000000000400000-0x000000000041F000-memory.dmp

              memory/3428-12-0x0000000000400000-0x000000000041F000-memory.dmp

              memory/3428-49-0x0000000000400000-0x000000000041F000-memory.dmp

              memory/4996-0-0x0000000000400000-0x000000000041F000-memory.dmp

              memory/4996-50-0x0000000000400000-0x000000000041F000-memory.dmp