Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    17/04/2026, 14:02

General

  • Target
    fe3127cbef22a34c43d015948d1297044b01c8b8ed5a78169659ec5c83df92ae.exe
  • Size 900KB
  • Sample260417-rb4c7abs7v
  • SHA256 fe3127cbef22a34c43d015948d1297044b01c8b8ed5a78169659ec5c83df92ae
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • 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.

  • Kills process with taskkill 5 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 17 IoCs
  • Suspicious use of SendNotifyMessage 11 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 42 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\fe3127cbef22a34c43d015948d1297044b01c8b8ed5a78169659ec5c83df92ae.exe
    "C:\Users\Admin\AppData\Local\Temp\fe3127cbef22a34c43d015948d1297044b01c8b8ed5a78169659ec5c83df92ae.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4448
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM firefox.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4476
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM chrome.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:3916
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM msedge.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:5060
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM opera.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:4528
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /F /IM brave.exe /T
      2⤵
      • System Location Discovery: System Language Discovery
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:2628
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" --kiosk "https://youtube.com/account?=https://accounts.google.com/v3/signin/challenge/pwd" --no-default-browser-check --disable-popup-blocking
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4884
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" --kiosk https://youtube.com/account?=https://accounts.google.com/v3/signin/challenge/pwd --no-default-browser-check --disable-popup-blocking
        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:2384
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2000 -prefsLen 27099 -prefMapHandle 2004 -prefMapSize 270279 -ipcHandle 2076 -initialChannelId {c2f79e35-f673-4b34-b22f-b1c900c3062b} -parentPid 2384 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2384" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
          4⤵
            PID:2940
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2484 -prefsLen 27135 -prefMapHandle 2488 -prefMapSize 270279 -ipcHandle 2496 -initialChannelId {bac3fd69-949a-4081-9a26-6efa5d65acc9} -parentPid 2384 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2384" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
            4⤵
              PID:3040
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3680 -prefsLen 25164 -prefMapHandle 3684 -prefMapSize 270279 -jsInitHandle 3688 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3696 -initialChannelId {3f79d204-957c-4c0c-8933-484b99ebc80a} -parentPid 2384 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2384" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
              4⤵
              • Checks processor information in registry
              PID:5012
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3876 -prefsLen 27276 -prefMapHandle 3880 -prefMapSize 270279 -ipcHandle 3920 -initialChannelId {e22d088b-272e-4d59-8f75-c834857ffd35} -parentPid 2384 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2384" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
              4⤵
                PID:660
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4336 -prefsLen 34775 -prefMapHandle 4340 -prefMapSize 270279 -jsInitHandle 4344 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4352 -initialChannelId {b487aeef-6625-45a1-9835-614d651eaf8d} -parentPid 2384 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2384" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
                4⤵
                • Checks processor information in registry
                PID:1156
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 4916 -prefsLen 35012 -prefMapHandle 4912 -prefMapSize 270279 -ipcHandle 4900 -initialChannelId {5dcdbaac-ae45-4320-8b5d-2c8c57b9276a} -parentPid 2384 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2384" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
                4⤵
                • Checks processor information in registry
                PID:4180
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5204 -prefsLen 32952 -prefMapHandle 5208 -prefMapSize 270279 -jsInitHandle 5212 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5144 -initialChannelId {6b3f6999-dd96-4e04-a133-cfa3e0001566} -parentPid 2384 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2384" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
                4⤵
                • Checks processor information in registry
                PID:2540
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5236 -prefsLen 32952 -prefMapHandle 5240 -prefMapSize 270279 -jsInitHandle 5244 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5252 -initialChannelId {4f4f7cfe-e85f-4f63-95ac-fb7d860b1c7e} -parentPid 2384 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2384" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
                4⤵
                • Checks processor information in registry
                PID:3456
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5596 -prefsLen 32952 -prefMapHandle 5600 -prefMapSize 270279 -jsInitHandle 5604 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5612 -initialChannelId {78adb288-b9bf-4020-8a81-f80a0dd909e7} -parentPid 2384 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2384" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
                4⤵
                • Checks processor information in registry
                PID:3108

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              CD1C116DEEE8F4F97C1806976E10E7E2B349E486

              • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\lqvyev6p.default-release\cache2\entries\CD1C116DEEE8F4F97C1806976E10E7E2B349E486
              • Size 13KB
              • SHA256 9cc585793ab157fecfe1530cf4a3895f217badc8aee1036a19a5c7865c9042e6
              • 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

              AlternateServices.bin

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lqvyev6p.default-release\AlternateServices.bin
              • Size 7KB
              • SHA256 50f996840823496ae164ac204381009c914cb26120aba4d99c200662a221539e
              • MD5 SHA1 SHA512 SSDEEP TLSH

              AlternateServices.bin

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lqvyev6p.default-release\AlternateServices.bin
              • Size 11KB
              • SHA256 c824b7f1598f6854d2fc313cc526b6fe6b79119ca1f7f0a44264fa9723f2d02d
              • MD5 SHA1 SHA512 SSDEEP TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lqvyev6p.default-release\datareporting\glean\db\data.safe.tmp
              • Size 3KB
              • SHA256 524ae72d6929eb2f292e044fda6588ba52b3fcaba690c2d2ebc2e24fe90215f9
              • MD5 SHA1 SHA512 TLSH

              data.safe.tmp

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lqvyev6p.default-release\datareporting\glean\db\data.safe.tmp
              • Size 7KB
              • SHA256 2787d5aa180c4b8e65799ce084512e29ab602c8fb7f0863fd251d2f60d211bbf
              • MD5 SHA1 SHA512 SSDEEP TLSH

              events

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lqvyev6p.default-release\datareporting\glean\events\events
              • Size 1KB
              • SHA256 6d3691455602d7417a4bcfb693ab06f14b4a71e93c7ed3d0539d6eb024170ac7
              • MD5 SHA1 SHA512 TLSH

              00cdeaf5-b29d-4db7-afe8-09b543f9b0a7

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lqvyev6p.default-release\datareporting\glean\pending_pings\00cdeaf5-b29d-4db7-afe8-09b543f9b0a7
              • Size 883B
              • SHA256 079a788b4af79b3335b28464171e30789b283d10eb4b75f7f1c91a129dd32f35
              • MD5 SHA1 SHA512 TLSH

              31afd50b-9024-4da8-b6b5-bd2b2c732df8

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lqvyev6p.default-release\datareporting\glean\pending_pings\31afd50b-9024-4da8-b6b5-bd2b2c732df8
              • Size 2KB
              • SHA256 6e0994ec833fcbc87a8f16725de9c52a64b6052d83bf3620d80363c6bc10febd
              • MD5 SHA1 SHA512 TLSH

              5b27db5c-3bbf-4019-bc37-c48f62f7941b

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lqvyev6p.default-release\datareporting\glean\pending_pings\5b27db5c-3bbf-4019-bc37-c48f62f7941b
              • Size 886B
              • SHA256 404e33e5250102143c2ab4e0e88b0fd8edce64c3a14c0d0914ae00302da1122b
              • MD5 SHA1 SHA512 TLSH

              662763e1-d89c-4974-a89a-4abcb301a13f

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lqvyev6p.default-release\datareporting\glean\pending_pings\662763e1-d89c-4974-a89a-4abcb301a13f
              • Size 235B
              • SHA256 8d57636d4bde8d341db16ac70dedbc9f826bc01dc092365623d6deaab07a4a26
              • MD5 SHA1 SHA512 TLSH

              9ee017da-d392-47d6-b8ef-8fe50b10cecf

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lqvyev6p.default-release\datareporting\glean\pending_pings\9ee017da-d392-47d6-b8ef-8fe50b10cecf
              • Size 235B
              • SHA256 c2289a1a002ea1e8eaeca952e8b84c7808b4955f6cffb7cbc74b22379fadd009
              • MD5 SHA1 SHA512 TLSH

              a6ed97c0-f9ff-416e-9966-16ad65ca6e5a

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lqvyev6p.default-release\datareporting\glean\pending_pings\a6ed97c0-f9ff-416e-9966-16ad65ca6e5a
              • Size 16KB
              • SHA256 a52dac8ae6c0888e5a85751f54ce3496b845dd32ff66c16ffae965fad5663639
              • MD5 SHA1 SHA512 SSDEEP TLSH

              extensions.json

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lqvyev6p.default-release\extensions.json
              • Size 16KB
              • SHA256 2a561c7e7200c6d46d1b46e5cfc3ea243b1aef84b652027fe11cdffb29e3dd32
              • MD5 SHA1 SHA512 SSDEEP TLSH

              gmpopenh264.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lqvyev6p.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\lqvyev6p.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\lqvyev6p.default-release\gmp-widevinecdm\4.10.2934.0\manifest.json
              • Size 1001B
              • SHA256 25ac9b79df29fa869b4c9f4ca3bdbc3a85f6122f5a8efab5a1216d577099becc
              • MD5 SHA1 SHA512 TLSH

              widevinecdm.dll

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lqvyev6p.default-release\gmp-widevinecdm\4.10.2934.0\widevinecdm.dll
              • Size 18.9MB
              • SHA256 875a76af5b19622842c9b37fe77dce10ee83f27adbdcfcde9c814d4e1226d023
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lqvyev6p.default-release\prefs-1.js
              • Size 6KB
              • SHA256 b74c55882f9d7f42669fc2586d4fca57d2bb8e584790559ea4ab73d0255d0e07
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs-1.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lqvyev6p.default-release\prefs-1.js
              • Size 8KB
              • SHA256 37d9d7ad12ba86c3c98b4cbc21354803aa9ba6b267adbd3d7733982375b1a223
              • MD5 SHA1 SHA512 SSDEEP TLSH

              prefs.js

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lqvyev6p.default-release\prefs.js
              • Size 6KB
              • SHA256 2b3edb9011c269433af67421d2300f795b4483f029596847b44071f0d913a085
              • MD5 SHA1 SHA512 SSDEEP TLSH

              recovery.baklz4

              • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\lqvyev6p.default-release\sessionstore-backups\recovery.baklz4
              • Size 1KB
              • SHA256 9893d66effd4ba9eaa18be19a453b72514e81b04452499d54c44093f260e0e4e
              • MD5 SHA1 SHA512 TLSH

              memory/2628-4-0x0000000000F20000-0x0000000001040000-memory.dmp

              memory/3916-1-0x0000000001460000-0x0000000001580000-memory.dmp

              memory/4448-324-0x0000000001C10000-0x0000000001D30000-memory.dmp

              memory/4476-0-0x0000000000900000-0x0000000000A20000-memory.dmp

              memory/4528-3-0x00000000011A0000-0x00000000012C0000-memory.dmp

              memory/5060-2-0x0000000001170000-0x0000000001290000-memory.dmp