Analysis

  • user interaction
    yes
  • max time kernel
    898s
  • max time network
    551s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    15/08/2026, 20:11

General

  • Target
    eae.txt
  • Size 6B
  • Sample260815-yyd55sshkh
  • SHA256 21d715c5efc091457b2eb3af4f09094c06feb768ba5183f3081b93e65bccf65a
  • MD5 SHA1 SHA512

Malware Config

Extracted

Language
  • hta

Source
URLs
  • hta.dropper

    https://justbetter.best/

Signatures

  • Badlisted process makes network request 4 IoCs

    Network request originating from process or tool commonly abused by malware.

  • 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 SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 27 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 23 IoCs
  • Suspicious use of WriteProcessMemory 41 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\eae.txt
    1⤵
    • Executes a command shell one-liner
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4820
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\eae.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:3464
  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3376
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      2⤵
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3156
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 1996 -prefsLen 27097 -prefMapHandle 2000 -prefMapSize 270279 -ipcHandle 2064 -initialChannelId {d13f422d-2385-41a4-a627-346390f138f9} -parentPid 3156 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3156" -appDir "C:\Program Files\Mozilla Firefox\browser" - 1 gpu
        3⤵
          PID:2496
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 2432 -prefsLen 27133 -prefMapHandle 2436 -prefMapSize 270279 -ipcHandle 2444 -initialChannelId {eb4f0b49-dce6-4f4c-826f-50f6821d9351} -parentPid 3156 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3156" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 2 socket
          3⤵
          • Checks processor information in registry
          PID:3588
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3792 -prefsLen 27274 -prefMapHandle 3796 -prefMapSize 270279 -jsInitHandle 3800 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3808 -initialChannelId {180fea3a-04de-42ad-8eb3-9f0a05ff499b} -parentPid 3156 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3156" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 3 tab
          3⤵
          • Checks processor information in registry
          PID:1708
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -prefsHandle 3956 -prefsLen 27274 -prefMapHandle 3960 -prefMapSize 270279 -ipcHandle 3976 -initialChannelId {84772040-0712-4214-8a3f-b4ec01d19b90} -parentPid 3156 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3156" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd
          3⤵
            PID:1872
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4516 -prefsLen 34773 -prefMapHandle 4520 -prefMapSize 270279 -jsInitHandle 4524 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4532 -initialChannelId {ec62b566-b0e6-42e5-bcc5-c1cbf3045e91} -parentPid 3156 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3156" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab
            3⤵
            • Checks processor information in registry
            PID:1268
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250130195129 -sandboxingKind 0 -prefsHandle 4952 -prefsLen 34822 -prefMapHandle 4956 -prefMapSize 270279 -ipcHandle 4892 -initialChannelId {538b9723-d000-46cf-933c-1b0a710a8f82} -parentPid 3156 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3156" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility
            3⤵
            • Checks processor information in registry
            PID:3168
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 3056 -prefsLen 32952 -prefMapHandle 3060 -prefMapSize 270279 -jsInitHandle 5200 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 3244 -initialChannelId {face92f1-8d3f-4218-b707-586c1be9adab} -parentPid 3156 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3156" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab
            3⤵
            • Checks processor information in registry
            PID:1780
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4380 -prefsLen 32952 -prefMapHandle 3212 -prefMapSize 270279 -jsInitHandle 3264 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 4468 -initialChannelId {80707e55-fd7c-4aaf-b527-24a3f0859311} -parentPid 3156 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3156" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 8 tab
            3⤵
            • Checks processor information in registry
            PID:4872
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 5636 -prefsLen 32952 -prefMapHandle 5640 -prefMapSize 270279 -jsInitHandle 5644 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 5652 -initialChannelId {66badf4e-ba65-40b9-aee7-62d0892d372e} -parentPid 3156 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3156" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 9 tab
            3⤵
            • Checks processor information in registry
            PID:2396
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 6188 -prefsLen 33031 -prefMapHandle 6192 -prefMapSize 270279 -jsInitHandle 6196 -jsInitLen 253512 -parentBuildID 20250130195129 -ipcHandle 6204 -initialChannelId {71c96786-2796-401d-bc93-e8dae5289636} -parentPid 3156 -crashReporter "\\.\pipe\gecko-crash-server-pipe.3156" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 10 tab
            3⤵
            • Checks processor information in registry
            PID:1916
      • C:\Windows\system32\mshta.exe
        "C:\Windows\system32\mshta.exe" "https://justbetter.best/"
        1⤵
        • Badlisted process makes network request
        PID:2132
      • C:\Windows\system32\taskmgr.exe
        "C:\Windows\system32\taskmgr.exe" /0
        1⤵
        • Checks SCSI registry key(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4304
      • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
        "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
        1⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Modifies Internet Explorer settings
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2252

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            62413C4DFC2265D6CD933169FA83CB7C

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\62413C4DFC2265D6CD933169FA83CB7C
            • Size 456B
            • SHA256 ee9b852cf87a1a92c6a9dd3d6cf227c20533a0bd6c0d2ab4bb7fb055b1504503
            • MD5 SHA1 SHA512 TLSH

            B46811C17859FFB409CF0E904A4AA8F8

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8
            • Size 528B
            • SHA256 d2bb091268ade68ad8121d2184d0fbce128070156304bd4de312e6fbd267409c
            • MD5 SHA1 SHA512 TLSH

            62413C4DFC2265D6CD933169FA83CB7C

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\62413C4DFC2265D6CD933169FA83CB7C
            • Size 192B
            • SHA256 698c0c8cc9f7c68e6633805815efa835f6c6552a88a8ef18f8eff79fbaca1743
            • MD5 SHA1 SHA512 TLSH

            B46811C17859FFB409CF0E904A4AA8F8

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8
            • Size 170B
            • SHA256 68fa05aa21b50b560ac0b940a52195c88c973be257fed44c66c1503afd428636
            • MD5 SHA1 SHA512 TLSH

            DLQ50I3H.htm

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\4RT69VDH\DLQ50I3H.htm
            • Size 1KB
            • SHA256 bdcad6d4f7ac4a4acf5cbfc82f1633c5047acbabed8d662b2f3c66836144813a
            • MD5 SHA1 SHA512 TLSH

            6c21d1d4ddbd537eb8dc63fd29af2844.png

            • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\e4veoxpw.default-release\thumbnails\6c21d1d4ddbd537eb8dc63fd29af2844.png
            • Size 1KB
            • SHA256 5fa0608bb3291da5006676cc5880c90c3d591c29e0f96ffad8a35cc961522560
            • MD5 SHA1 SHA512 TLSH

            data.safe.tmp

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\e4veoxpw.default-release\datareporting\glean\db\data.safe.tmp
            • Size 7KB
            • SHA256 5baa9a2979cb7a2793d75a3b5d2b88484361a7ec4e279fdbae485d284969d3be
            • MD5 SHA1 SHA512 SSDEEP TLSH

            data.safe.tmp

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\e4veoxpw.default-release\datareporting\glean\db\data.safe.tmp
            • Size 6KB
            • SHA256 a6dc9f96b24edac0f62bc9a14e2f80d7ba6871d08d5c7627bd0d7961ee23eee8
            • MD5 SHA1 SHA512 SSDEEP TLSH

            events

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\e4veoxpw.default-release\datareporting\glean\events\events
            • Size 1KB
            • SHA256 bcf4f6117867505292fa83d37dbfc3f7c3467eb2a0072edd4b2b554741fc57cd
            • MD5 SHA1 SHA512 TLSH

            534a64b9-4bbf-4a59-b285-f4ab1a0e7b2d

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\e4veoxpw.default-release\datareporting\glean\pending_pings\534a64b9-4bbf-4a59-b285-f4ab1a0e7b2d
            • Size 886B
            • SHA256 c8f7cbe4997a8c094a63a28f478171cf1d71a02e2d6f54852a3f4e1ebf930897
            • MD5 SHA1 SHA512 TLSH

            55eece4d-84cb-486c-a2d8-dbaccbd1e44a

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\e4veoxpw.default-release\datareporting\glean\pending_pings\55eece4d-84cb-486c-a2d8-dbaccbd1e44a
            • Size 2KB
            • SHA256 5936ae3990846ef6a9b34c31f5c3167de265f64a05978fb5b0a207167da92002
            • MD5 SHA1 SHA512 TLSH

            a73d7f16-c4fc-4741-aee6-d386a1e4fd0b

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\e4veoxpw.default-release\datareporting\glean\pending_pings\a73d7f16-c4fc-4741-aee6-d386a1e4fd0b
            • Size 2KB
            • SHA256 514d2ee93ed9de2fe2b4891b1058f6126fe151d10d8f9294d39b61396aa025a5
            • MD5 SHA1 SHA512 TLSH

            a8a5b067-ec50-4569-a202-bdc61d7a637f

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\e4veoxpw.default-release\datareporting\glean\pending_pings\a8a5b067-ec50-4569-a202-bdc61d7a637f
            • Size 235B
            • SHA256 419826e714a4ffb8a37109704b4aa49382bb55833b4f6e79ed1150102a9725bf
            • MD5 SHA1 SHA512 TLSH

            ad844c97-87c9-4236-87d3-aa0cebd5e42b

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\e4veoxpw.default-release\datareporting\glean\pending_pings\ad844c97-87c9-4236-87d3-aa0cebd5e42b
            • Size 883B
            • SHA256 85912a5f7ea356fe8b76a292d3b5f40e576ca710c113cc928237a44504341e6e
            • MD5 SHA1 SHA512 TLSH

            d5c3ccfc-4071-4d31-985d-21f4c8446a30

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\e4veoxpw.default-release\datareporting\glean\pending_pings\d5c3ccfc-4071-4d31-985d-21f4c8446a30
            • Size 235B
            • SHA256 170542d7b408a1302ce9891e92e1aa3eb2c2dfd6a1a379a575d9fc296eaa9299
            • MD5 SHA1 SHA512 TLSH

            fc7b4541-f154-441e-ad1f-1e53310e020d

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\e4veoxpw.default-release\datareporting\glean\pending_pings\fc7b4541-f154-441e-ad1f-1e53310e020d
            • Size 1KB
            • SHA256 1d63072f9b5388fe2e4fca6ee3d2e510654a8358e0113e4f601f219c0b334050
            • MD5 SHA1 SHA512 TLSH

            prefs-1.js

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\e4veoxpw.default-release\prefs-1.js
            • Size 6KB
            • SHA256 45bccc1f9b69ee79998c32b7908594bc38768c6c82a4a3445640f30208530ad3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            prefs-1.js

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\e4veoxpw.default-release\prefs-1.js
            • Size 7KB
            • SHA256 8323072faaa781dd09ca0f5e5c23d15fa47010e93749f2b2796fdaf46ff3b219
            • MD5 SHA1 SHA512 SSDEEP TLSH

            prefs.js

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\e4veoxpw.default-release\prefs.js
            • Size 6KB
            • SHA256 bda350f57cf3f71bd7f16f903e875e46d23a8fd879d133d4c14ca945a8aa0c32
            • MD5 SHA1 SHA512 SSDEEP TLSH

            3870112724rsegmnoittet-es.sqlite

            • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\e4veoxpw.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
            • Size 4.2MB
            • SHA256 51bd703f992b34fa6281a59972801afddfbf8e1e3becb3cadfa3bf727c5e7a47
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/2252-499-0x00007FFDCDD30000-0x00007FFDCDD40000-memory.dmp

            memory/2252-501-0x00007FFDCDD30000-0x00007FFDCDD40000-memory.dmp

            memory/2252-503-0x00007FFDCB530000-0x00007FFDCB540000-memory.dmp

            memory/2252-502-0x00007FFDCB530000-0x00007FFDCB540000-memory.dmp

            memory/2252-500-0x00007FFDCDD30000-0x00007FFDCDD40000-memory.dmp

            memory/2252-497-0x00007FFDCDD30000-0x00007FFDCDD40000-memory.dmp

            memory/2252-498-0x00007FFDCDD30000-0x00007FFDCDD40000-memory.dmp

            memory/4304-486-0x000002C609740000-0x000002C609741000-memory.dmp

            memory/4304-481-0x000002C609740000-0x000002C609741000-memory.dmp

            memory/4304-485-0x000002C609740000-0x000002C609741000-memory.dmp

            memory/4304-482-0x000002C609740000-0x000002C609741000-memory.dmp

            memory/4304-483-0x000002C609740000-0x000002C609741000-memory.dmp

            memory/4304-487-0x000002C609740000-0x000002C609741000-memory.dmp

            memory/4304-484-0x000002C609740000-0x000002C609741000-memory.dmp

            memory/4304-477-0x000002C609740000-0x000002C609741000-memory.dmp

            memory/4304-475-0x000002C609740000-0x000002C609741000-memory.dmp

            memory/4304-476-0x000002C609740000-0x000002C609741000-memory.dmp