Resubmissions

02-12-2024 02:16

241202-cqmawszjeq 10

02-12-2024 02:12

241202-cncnnstqcv 10

30-11-2024 13:53

241130-q7gnmavrdw 10

Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 02:16

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;">F4VdZVFw3H6Y7UpoC7JQA1a4f9h0KdnEBQIhhcxC4vLnb7PjwIqZqXQ2Z6YYbYlQhU/FwXFJkj3NuzcwD8/6Ri/c273u09sjsaK8TwG4ED77P+pebaMpwFf+9ykcbgEwtkiyS3eaxQtAF1Fc9kzKnFh46XYl4p3jtv+w8BrlgHYG191VDIMkHH1NzPjcwBV8ow8XHqXzfpa5EcUeWUAIfQVdgI2wTnwkYCFiYKUu3nY+qXLDjuCBVqOlFgyA+7wvsxrisLRyfQE+czBHHYtdV0J2SZRZmqiZpx7HZ8ionmzuDNECpVq0YH6cUxmsHryI+/rNRByY5UOPmNjImOfYfg==�</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 (5290) 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:3464
      • 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:2324
        • 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:1200
          • C:\Windows\system32\cmd.exe
            C:\Windows\sysnative\cmd.exe /c vssadmin.exe Delete Shadows /All /Quiet
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4776
            • C:\Windows\system32\vssadmin.exe
              vssadmin.exe Delete Shadows /All /Quiet
              5⤵
              • Interacts with shadow copies
              PID:3164
        • 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:3720
          • C:\Windows\system32\cmd.exe
            C:\Windows\sysnative\cmd.exe /c wbadmin delete backup -keepVersion:0 -quiet
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1576
            • C:\Windows\system32\wbadmin.exe
              wbadmin delete backup -keepVersion:0 -quiet
              5⤵
              • Deletes system backups
              • Drops file in Windows directory
              PID:1224
        • 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:2232
          • C:\Windows\system32\cmd.exe
            C:\Windows\sysnative\cmd.exe /c wmic.exe SHADOWCOPY /nointeractive"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4296
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic.exe SHADOWCOPY /nointeractive"
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:4972
        • 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:4908
          • C:\Windows\system32\cmd.exe
            C:\Windows\sysnative\cmd.exe /c bcdedit.exe /set {default} recoverynabled No
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:5000
            • C:\Windows\system32\bcdedit.exe
              bcdedit.exe /set {default} recoverynabled No
              5⤵
              • Modifies boot configuration data using bcdedit
              PID:4220
        • C:\Windows\SYSTEM32\cipher.exe
          cipher /w:\\?\F:
          3⤵
          • Enumerates connected drives
          PID:2840
        • C:\Windows\SYSTEM32\cipher.exe
          cipher /w:\\?\C:
          3⤵
            PID:4724
          • C:\Windows\SYSTEM32\cipher.exe
            cipher /w:\\?\A:
            3⤵
            • Enumerates connected drives
            PID:780
        • 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:1324
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c pause
            3⤵
              PID:3708
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2356
        • 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:1716

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          624KB

          MD5

          2b9917314fe1c09d89b5196b1bd5045a

          SHA1

          ccb08f33a7d208b089013ff9360ccf12c1ebd1c9

          SHA256

          1231522f5ea671cf1830000364977fcc2ee257467657f627c49e92d89bf5c34a

          SHA512

          73ea0a551b77022c74e59afbeac84881ccb1586a303e14b2c4f6c2ace9068ca2fabfb1409d2e68bd22a48d51a0d7b8c09c5b3b2ad2a3ca54aabeb78672d769ed

        • 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

          ba87616c9165e5b753133051ab2f6810

          SHA1

          c9b4e93f4bbe9b546b83381d723d1c78b9ed58fb

          SHA256

          06662386b4c8d16296c7971e91eca89d789e7d410e25b13d92ac9c94f3e7fd31

          SHA512

          8d4acf37da7fef7801778a04eedcf87942990743a811bb8f77284890802ef8f260b7ff0ebdc98a684c468fdcb5924c8370e2217f1a3370d8d4ba4e46e5c6e814

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

          Filesize

          170B

          MD5

          64526516b19257e1b05207a6dc0cc31f

          SHA1

          772c6ce507dac834305d2c64f6c45663308614c5

          SHA256

          885dc19c5348636f0b700eb4ab46f107c7d7b8243ef1249bb65dd265096e2b67

          SHA512

          61c5e9ba127233b7696ef1695085addaaa6a350bf876e61c48c48c9792b42b4c6345a1e0c09a85d06894189a1ddde279419b5f3c630acdb836f44aa2cb257829

        • 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

          d513f2e40ca1bc30ee55ab5499ebcba8

          SHA1

          9e3bf7be8acb24942adcdc6e53c382fb21aa4df6

          SHA256

          4711d5e588f37806c4c66b27d912c0123bcc0189fb49b58cf8f950e97445b127

          SHA512

          20369d01dce96ee0d72ae3e4e82d969046c3d8945ce2eb708fedc1af834ba5d33572ce7b0838b4275251fd537fd5cacc395290c541aeb05b78b3fd89f73c1da8