Analysis

  • user interaction
    yes
  • max time kernel
    209s
  • max time network
    183s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/06/2026, 16:54

General

  • Target
    ironbark_1-1458-38.exe
  • Size 6.9MB
  • Sample260623-vehgnset4k
  • SHA256 f4e255dfdf3d23774b0067797cac0f986f1690abbeec217eb60029dcaa7425f8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 30 IoCs

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

  • Modifies registry class 64 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 49 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\ironbark_1-1458-38.exe
    "C:\Users\Admin\AppData\Local\Temp\ironbark_1-1458-38.exe"
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4504
  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:364
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      • NTFS ADS
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3412
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2020 -prefsLen 27099 -prefMapHandle 2024 -prefMapSize 270279 -ipcHandle 2092 -initialChannelId {04c67399-4103-4d41-806a-efd06a70f066} -parentPid 3412 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3412" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
        3⤵
          PID:3116
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2480 -prefsLen 27135 -prefMapHandle 2484 -prefMapSize 270279 -ipcHandle 2492 -initialChannelId {5ee99a4d-332d-45b6-9f34-a683fef4e2a3} -parentPid 3412 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3412" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
          3⤵
          • Checks processor information in registry
          PID:1388
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3548 -prefsLen 27276 -prefMapHandle 3552 -prefMapSize 270279 -jsInitHandle 3556 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3564 -initialChannelId {0bb1ab41-3275-4e10-bc49-294b8147d1d7} -parentPid 3412 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3412" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
          3⤵
          • Checks processor information in registry
          PID:2636
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3740 -prefsLen 27276 -prefMapHandle 3744 -prefMapSize 270279 -ipcHandle 3752 -initialChannelId {759585e8-8be8-4225-b562-560de54bcc40} -parentPid 3412 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3412" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
          3⤵
            PID:4656
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4360 -prefsLen 34775 -prefMapHandle 4364 -prefMapSize 270279 -jsInitHandle 4368 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 2752 -initialChannelId {1de83d72-1b1c-4b7e-9bfd-829b6ad2976d} -parentPid 3412 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3412" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
            3⤵
            • Checks processor information in registry
            PID:3240
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 4756 -prefsLen 34931 -prefMapHandle 4796 -prefMapSize 270279 -ipcHandle 4808 -initialChannelId {3519645f-dfc6-4acc-b604-d7658e6673b0} -parentPid 3412 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3412" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
            3⤵
            • Checks processor information in registry
            PID:5764
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5124 -prefsLen 32952 -prefMapHandle 5128 -prefMapSize 270279 -jsInitHandle 5132 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5140 -initialChannelId {288fcc22-d773-4ebf-b051-e21118e9e485} -parentPid 3412 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3412" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
            3⤵
            • Checks processor information in registry
            PID:6128
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5352 -prefsLen 32952 -prefMapHandle 5356 -prefMapSize 270279 -jsInitHandle 5360 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5128 -initialChannelId {0c67f209-d406-4752-9b09-90ce88213294} -parentPid 3412 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3412" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
            3⤵
            • Checks processor information in registry
            PID:4980
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5532 -prefsLen 32952 -prefMapHandle 5536 -prefMapSize 270279 -jsInitHandle 5540 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5548 -initialChannelId {9dc3c286-aaa1-4023-9180-305777de9eea} -parentPid 3412 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3412" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
            3⤵
            • Checks processor information in registry
            PID:1872
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 6264 -prefsLen 33071 -prefMapHandle 6268 -prefMapSize 270279 -jsInitHandle 6272 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 6280 -initialChannelId {4c0feb86-b639-451e-a69d-556e54a605b0} -parentPid 3412 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3412" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 10 tab
            3⤵
            • Checks processor information in registry
            PID:5984
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 6516 -prefsLen 33071 -prefMapHandle 6656 -prefMapSize 270279 -jsInitHandle 6660 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 6716 -initialChannelId {44bb4f44-e64f-47e5-8174-defd0d973f10} -parentPid 3412 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3412" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 11 tab
            3⤵
            • Checks processor information in registry
            PID:5736
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5232 -prefsLen 33071 -prefMapHandle 5260 -prefMapSize 270279 -jsInitHandle 5248 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5184 -initialChannelId {761eeb4a-f43b-4a0b-8402-2de0da92e957} -parentPid 3412 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3412" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 12 tab
            3⤵
            • Checks processor information in registry
            PID:5344
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 4 -prefsHandle 5776 -prefsLen 35200 -prefMapHandle 5772 -prefMapSize 270279 -ipcHandle 5240 -initialChannelId {eb887d15-5027-4051-a7f8-5e8506a59319} -parentPid 3412 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3412" -appDir "C:\Program Files\Mozilla Firefox\browser" - 13 utility
            3⤵
            • Checks processor information in registry
            • Modifies registry class
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:4884

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            AlternateServices.bin

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\AlternateServices.bin
            • Size 10KB
            • SHA256 a3c3897abbac1f3ec243d161a8b32f929f2162e139af6c4bdaeeaa59ea0a4051
            • MD5 SHA1 SHA512 SSDEEP TLSH

            AlternateServices.bin

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\AlternateServices.bin
            • Size 17KB
            • SHA256 e1e6985bda6be0581cce1a68ce1ea9c9bc518a6af69485f7332727ffbd5c7dba
            • 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 18283220b7fa1c923f400347f2e4397bac57f58d18c6f15a6c2627f4c267fc37
            • 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 6KB
            • SHA256 f024e1a9de116709ed04bd67aed57af47a34cf4dcc155401135cbe72c206b161
            • 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 fe96fd47c67d4654b631e0f5505ba8a4bec3d7f118b0f01a2ffc1d4166d2f284
            • MD5 SHA1 SHA512 TLSH

            18757b40-f083-4f4e-8189-2396a3565302

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\pending_pings\18757b40-f083-4f4e-8189-2396a3565302
            • Size 235B
            • SHA256 8818cbff7fdb486b7d53b04f65915a7c0287c93f9e7141240aa2773d81cdb355
            • MD5 SHA1 SHA512 TLSH

            31c35ae4-0132-4eb9-950f-18db92fe2cbc

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\pending_pings\31c35ae4-0132-4eb9-950f-18db92fe2cbc
            • Size 883B
            • SHA256 d6a68717767c25169274c990ad9a19e30e8444389fe2a38bb1e1ec74db72486e
            • MD5 SHA1 SHA512 TLSH

            49d2777f-ef0f-4139-bb6d-6396b6175600

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\pending_pings\49d2777f-ef0f-4139-bb6d-6396b6175600
            • Size 235B
            • SHA256 36522664bce19b2489aee0cfeb5776947a6a606b24f924fc530f77512090fc41
            • MD5 SHA1 SHA512 TLSH

            6d3bdeba-89b0-4ea4-88fa-d1c4f2ccdb84

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\pending_pings\6d3bdeba-89b0-4ea4-88fa-d1c4f2ccdb84
            • Size 12KB
            • SHA256 2a60abbd8ac34277379f4272bcb16644f2012f7180cc099ff3d87a22b980c17d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            a1f544e9-d394-41f5-84bd-31242f4af909

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\pending_pings\a1f544e9-d394-41f5-84bd-31242f4af909
            • Size 886B
            • SHA256 a17e93d6435f718ef2798f30e76c85f25c4c26f728369c18d2a2b08ad6ec75b5
            • MD5 SHA1 SHA512 TLSH

            dcb10e0c-4c24-40f7-9aa8-eee5d506e2e6

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\pending_pings\dcb10e0c-4c24-40f7-9aa8-eee5d506e2e6
            • Size 2KB
            • SHA256 88a47eadb65e7f0ddbf000a3b91856f2feebe4c3eb44d880284a24a45206a9b2
            • MD5 SHA1 SHA512 TLSH

            ee771fdb-d5d3-4829-b1c3-49178ec76d71

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\datareporting\glean\pending_pings\ee771fdb-d5d3-4829-b1c3-49178ec76d71
            • Size 16KB
            • SHA256 4782000af0e53d008232c2e649c99e187d33540def46e26f729e792bfb587b8e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            prefs-1.js

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\prefs-1.js
            • Size 7KB
            • SHA256 1e6a3124365ee8c5f4eda77259c2cd1787e32ec89b5d24ba4c6880383b4a25a0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            prefs-1.js

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\prefs-1.js
            • Size 6KB
            • SHA256 9910e0f87587f1edc6143f942c424f8c88ff89d4a2d0bac3b07b9e9a6473337b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            prefs.js

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\prefs.js
            • Size 6KB
            • SHA256 edc11177a8ccf791480e99f7f74713d637bcfabbb528f98b5733140069bd3695
            • MD5 SHA1 SHA512 SSDEEP TLSH

            3870112724rsegmnoittet-es.sqlite

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jaarrave.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
            • Size 4.1MB
            • SHA256 ccb6b7317b5f1ba692ca4c6ed6d9ee3ab741300a01c525aeea74b53a7cb2ec0b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            c4611_sample_explain.pdf

            • Path C:\Users\Admin\Downloads\c4611_sample_explain.pdf
            • Size 86KB
            • SHA256 2353deadc9fa87817413b239841a373fb51de8b74a75d3c8c863de735ca0b4a0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/4504-9-0x00000253954C0000-0x00000253954C1000-memory.dmp

            memory/4504-11-0x00000253954C0000-0x00000253954C1000-memory.dmp

            memory/4504-10-0x00000253954C0000-0x00000253954C1000-memory.dmp

            memory/4504-8-0x00000253954C0000-0x00000253954C1000-memory.dmp

            memory/4504-12-0x00000253954C0000-0x00000253954C1000-memory.dmp

            memory/4504-0-0x00000253954C0000-0x00000253954C1000-memory.dmp

            memory/4504-7-0x00000253954C0000-0x00000253954C1000-memory.dmp

            memory/4504-6-0x00000253954C0000-0x00000253954C1000-memory.dmp

            memory/4504-1-0x00000253954C0000-0x00000253954C1000-memory.dmp

            memory/4504-2-0x00000253954C0000-0x00000253954C1000-memory.dmp