Analysis

  • max time kernel
    96s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2024 13:49

General

  • Target

    f028a27430e5cca11911b70a85e3ec826e17d5501028f78da9452fbb3ec6bdca.exe

  • Size

    663KB

  • MD5

    7df4d51141b1c657e2c5f78ada3b526a

  • SHA1

    d0bbec49bbf722aa102e3cbd548cfec5f88dd6a8

  • SHA256

    f028a27430e5cca11911b70a85e3ec826e17d5501028f78da9452fbb3ec6bdca

  • SHA512

    fed221cf7f27d3e74023457c58e903e55aa14a608db36df341e8bef2b2cb751ca1fb90da1e6a091ed0fbab70347e67365398c1af51815bec1da0ff330e35b54a

  • SSDEEP

    12288:UIj+Lg10Vgi+ve+Ge5JFzLZQMDObpph0lhSMXl+XXenm1hdLQ:Uc+k18+ve+Ge53LuMKHh0lhSMXlYei

Malware Config

Extracted

Path

F:\$RECYCLE.BIN\READ_NOTE.html

Ransom Note
<div class="tabs1"> <div class="head"><strong>Your personal ID:</strong></div> <div class="identi"><span style="width: 1000px; color: #ffffff; font-size: 10px;">AUIHe5eUNIJRAOgm1c4k1MKf+zIuqf7L5lcBbp/yEbLju7+G2UhQz//TKFOBAi7UKt0qLnjpMUGjzde4kEfuTKIm8B7CM3pt4ZjlEJlb/7fuxvxhn8JPOVL50scq/hsmaeg89bJQURp4VsG2FA7gnlt0Mnx1CYwR0deego7dsZm8lzhEYlC8U8/3oiWiuc70N5lwxa/C0rNUW7rwp1z3ekL1bCS299kusF5OCuO/82TyA/CeE9Pg3VOaXTKzvgxKheoqE9tFe21e9jqvd3EboUiVXBhxP+WCVD48xf1DqQh/0o156wnMuGFwqMPeW/qOyKthIsezZRcWdsGyqFsYXw==�</span> <br /> <!-- !!! dont changing this !!! --></div> </div> <!-- --> <div class="tabs"><!--tab--> <div class="tab"> <div id="tab-content1" class="content"> <div class="text"><!--text data --> <strong>/!\ YOUR COMPANY NETWORK HAS BEEN PENETRATED /!\</strong><br /> <strong>All your important files have been encrypted!</strong><br /><br /><hr /><span style="text-decoration: underline; background-color: #00ff00;"><em>Your files are safe! Only modified. (RSA+AES)</em></span><br /><br /> <span style="background-color: #00ff00;"><strong>ANY ATTEMPT TO RESTORE YOUR FILES WITH THIRD-PARTY SOFTWARE</strong></span><br /><span style="background-color: #00ff00;"><strong> WILL PERMANENTLY CORRUPT IT.</strong></span><br /><span style="background-color: #00ff00;"><strong> DO NOT MODIFY ENCRYPTED FILES.</strong></span><br /><span style="background-color: #00ff00;"><strong> DO NOT RENAME ENCRYPTED FILES.</strong></span><br /><br /> No software available on internet can help you. We are the only ones able to<br /> solve your problem.<br /><br /> We gathered highly confidential/personal data. These data are currently stored on<br /> a private server. This server will be immediately destroyed after your payment.<br /> If you decide to not pay, we will release your data to public or re-seller.<br /> So you can expect your data to be publicly available in the near future..<br /><br /> We only seek money and our goal is not to damage your reputation or prevent<br /> your business from running.<br /><br /> You will can send us 2-3 non-important files and we will decrypt it for free<br /> to prove we are able to give your files back.<br /> When you compose a letter, please indicate the <strong>PERSONAL ID</strong> from the beginning of the note, so that we can more specifically approach the formation of conditions for you.<br /> <!--text data --><hr /><strong>Contact us for price and get decryption software.</strong><br /><br /><hr /><strong>email:</strong><br /> <a href="[email protected]">[email protected] </a> <br /> <a href="[email protected]">[email protected] </a> <br /> <strong>OUR TOX:</strong> <a href="https://tox.chat/clients.html"> BA3779BDEE7B982BF08FC0B7B0410E6AE7CC6612B13433B60000E0757BDD682A69AD98563AEC</a> <br /> <p>* To contact us, create a new free email account on the site: <a href="https://protonmail.com">protonmail.com <br /> <strong> IF YOU DON'T CONTACT US WITHIN 72 HOURS, PRICE WILL BE HIGHER.</strong><br /></a></p> <p>*Our site and Tor-chat to always be in touch:</p> </div> </div> </div> <!--tab--> <strong> <strong><span style="background-color: #00ff00; font-size: 22px;"> <strong> xfycpauc22t5jsmfjcaz2oydrrrfy75zuk6chr32664bsscq4fgyaaqd.onion </strong></span><br /><br /> </strong><br /> <!--text data --> </strong></div> <!--tab-->
URLs

http://xfycpauc22t5jsmfjcaz2oydrrrfy75zuk6chr32664bsscq4fgyaaqd.onion

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 1 IoCs
  • Renames multiple (5253) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Deletes system backups 3 TTPs 1 IoCs

    Uses wbadmin.exe to inhibit system recovery.

  • Enumerates connected drives 3 TTPs 48 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 4 IoCs

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

  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 8 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3480
      • C:\Users\Admin\AppData\Local\Temp\f028a27430e5cca11911b70a85e3ec826e17d5501028f78da9452fbb3ec6bdca.exe
        "C:\Users\Admin\AppData\Local\Temp\f028a27430e5cca11911b70a85e3ec826e17d5501028f78da9452fbb3ec6bdca.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Enumerates connected drives
        • Sets desktop wallpaper using registry
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2332
        • C:\Windows\SysWOW64\cmd.exe
          \\?\C:\Windows\SysWOW64\cmd.exe /c %windir%\sysnative\cmd.exe /c vssadmin.exe Delete Shadows /All /Quiet
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:408
          • C:\Windows\system32\cmd.exe
            C:\Windows\sysnative\cmd.exe /c vssadmin.exe Delete Shadows /All /Quiet
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4100
            • C:\Windows\system32\vssadmin.exe
              vssadmin.exe Delete Shadows /All /Quiet
              5⤵
              • Interacts with shadow copies
              PID:4288
        • C:\Windows\SysWOW64\cmd.exe
          \\?\C:\Windows\SysWOW64\cmd.exe /c %windir%\sysnative\cmd.exe /c wbadmin delete backup -keepVersion:0 -quiet
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:644
          • C:\Windows\system32\cmd.exe
            C:\Windows\sysnative\cmd.exe /c wbadmin delete backup -keepVersion:0 -quiet
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:732
            • C:\Windows\system32\wbadmin.exe
              wbadmin delete backup -keepVersion:0 -quiet
              5⤵
              • Deletes system backups
              • Drops file in Windows directory
              PID:3604
        • C:\Windows\SysWOW64\cmd.exe
          \\?\C:\Windows\SysWOW64\cmd.exe /c %windir%\sysnative\cmd.exe /c wmic.exe SHADOWCOPY /nointeractive"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3280
          • C:\Windows\system32\cmd.exe
            C:\Windows\sysnative\cmd.exe /c wmic.exe SHADOWCOPY /nointeractive"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1768
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic.exe SHADOWCOPY /nointeractive"
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:1100
        • C:\Windows\SysWOW64\cmd.exe
          \\?\C:\Windows\SysWOW64\cmd.exe /c %windir%\sysnative\cmd.exe /c bcdedit.exe /set {default} recoverynabled No
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2828
          • C:\Windows\system32\cmd.exe
            C:\Windows\sysnative\cmd.exe /c bcdedit.exe /set {default} recoverynabled No
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4248
            • C:\Windows\system32\bcdedit.exe
              bcdedit.exe /set {default} recoverynabled No
              5⤵
              • Modifies boot configuration data using bcdedit
              PID:1104
        • C:\Windows\SYSTEM32\cipher.exe
          cipher /w:\\?\F:
          3⤵
          • Enumerates connected drives
          PID:732
        • C:\Windows\SYSTEM32\cipher.exe
          cipher /w:\\?\A:
          3⤵
          • Enumerates connected drives
          PID:2276
        • C:\Windows\SYSTEM32\cipher.exe
          cipher /w:\\?\C:
          3⤵
            PID:1816
        • C:\Users\Admin\AppData\Local\Temp\f028a27430e5cca11911b70a85e3ec826e17d5501028f78da9452fbb3ec6bdca.exe
          \\?\C:\Users\Admin\AppData\Local\Temp\f028a27430e5cca11911b70a85e3ec826e17d5501028f78da9452fbb3ec6bdca.exe -network -skip_misc
          2⤵
          • Enumerates connected drives
          • Checks processor information in registry
          • Suspicious use of WriteProcessMemory
          PID:4616
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c pause
            3⤵
              PID:3684
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4332
        • C:\Windows\explorer.exe
          explorer.exe
          1⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:3520

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\Microsoft\Windows\Caches\{DDF571F2-BE98-426D-8288-1A9A39C3FDA2}.2.ver0x0000000000000001.db.wehavesolution247

          Filesize

          624KB

          MD5

          53867011fb168ecc07bc336d11216bf9

          SHA1

          5d0ce3a5c6327675d55fc715b97990bd320fe464

          SHA256

          de2c9ae00abf7280e2db92ec50f1f333be1f4e63e95f966cfe9dc6d975f0a45d

          SHA512

          a1acb0dc9fadc78fb918110f785b403dcfd1e344146f18707678f6c065d1f2b9d053131d5be8191d9a719e9dea59d336fe316d1e9956d81981704790d1c532dd

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

          Filesize

          1KB

          MD5

          67e486b2f148a3fca863728242b6273e

          SHA1

          452a84c183d7ea5b7c015b597e94af8eef66d44a

          SHA256

          facaf1c3a4bf232abce19a2d534e495b0d3adc7dbe3797d336249aa6f70adcfb

          SHA512

          d3a37da3bb10a9736dc03e8b2b49baceef5d73c026e2077b8ebc1b786f2c9b2f807e0aa13a5866cf3b3cafd2bc506242ef139c423eaffb050bbb87773e53881e

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

          Filesize

          436B

          MD5

          971c514f84bba0785f80aa1c23edfd79

          SHA1

          732acea710a87530c6b08ecdf32a110d254a54c8

          SHA256

          f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

          SHA512

          43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

          Filesize

          174B

          MD5

          84e48e1d05e4fa126373dcabfb762cde

          SHA1

          18b6d468eb8135e04ce661baecb03032d95b9cd6

          SHA256

          7c817ce863ff7d5cb25dbc29d0165cbe942e3d4a4e506cc2177d52210612d4c3

          SHA512

          23b06f736419e0d58bee788c3038bf95ba5c3055eae44c980227f52c2a6a4dc9140de4efe821e74cef4df330a907866a19ed009717a2129bac5dea5345ebe01b

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

          Filesize

          170B

          MD5

          4b81bcb0986b72b9992b6640e24eadcc

          SHA1

          5f3b966c486e14dad07f2976a49308fc5b2ae67a

          SHA256

          e41f0b22edbdc415e3519459a6b232b10350af450944d0be2d0645ba521e7fd1

          SHA512

          4b8a25f3f2705cc3c162d1c3339bbc4aa1fdeeeaac46df8ab7e5229a7185f80f23d4139461cc6386fb7f17309dc535e576f4b2eddc2b723169d6bc25f542dd7f

        • C:\Users\Admin\AppData\Local\Temp\external_ip.wehavesolution247

          Filesize

          14B

          MD5

          2c807857a435aa8554d595bd14ed35d1

          SHA1

          9003a73beceab3d1b1cd65614347c33117041a95

          SHA256

          3c4fae56f61b7cdf09709c2aaf65ca47d3bf9077b1e5eb0eb1e6c5c34923eb9b

          SHA512

          95c6fa9f5b342ef34d896f083700ee12d55723e24aff42805bac5c1aa73f07d0db4f9d435d31a61da187edc2336252dfb38529b3f2b1d2039aa2a8e65d64a7a9

        • F:\$RECYCLE.BIN\READ_NOTE.html

          Filesize

          3KB

          MD5

          4acca616db70d1f7444ada9661fb7f77

          SHA1

          b3ef20f26ee3508fa2c7730b45cd828d610faeb6

          SHA256

          a1bfd1b02ceffccec6921cd56e7c37c10ddc413ff14aab88fed3f2c07f428638

          SHA512

          fff3a7d8bc94263ce1ce2b4cefd786233b7fa3b5287f3dc83287a7408390bf23bda303de961cf6fe99105dd55b0d7b4970b80dbdd39cc9d63bb41005e5bd3fdb