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
    93s
  • max time network
    148s
  • 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 13:53

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

\Device\HarddiskVolume1\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;">eheRHtewLvCt6Ahe9UdL1EOmhpaktq0y0ia4zbY20Z2SFeziEzbYBclBFDH6DW+aNtzbP3MnOmlLkiaxrWYKlHz/xw0uUve1LZoNLzc4nFHBrNvK4dlzZGYOgvGIEdLWrEQyRU7qcgNUPI338ZKuEMFkdzMJg9wCLFzE4fTPcVeFeamHyb00AZqunampaBhav3V7hs8Ls+8OxpYDMbacum28svYH0SRsD+dKCu37r1dwekqUy9c+ImLA/uw9Rou3VYvMOBNTFc8gg9bayhnK8WFB9dEA/mpHKKkupjrjLk4ot6tDHc/nmFmfI07UhV7ywLrw68N7rDwYFeOz4MwCNw==�</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 36 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:3396
      • 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:3724
        • 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:2328
          • C:\Windows\system32\cmd.exe
            C:\Windows\sysnative\cmd.exe /c vssadmin.exe Delete Shadows /All /Quiet
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:2608
            • C:\Windows\system32\vssadmin.exe
              vssadmin.exe Delete Shadows /All /Quiet
              5⤵
              • Interacts with shadow copies
              PID:4996
        • 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:3560
          • C:\Windows\system32\cmd.exe
            C:\Windows\sysnative\cmd.exe /c wbadmin delete backup -keepVersion:0 -quiet
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1404
            • C:\Windows\system32\wbadmin.exe
              wbadmin delete backup -keepVersion:0 -quiet
              5⤵
              • Deletes system backups
              • Drops file in Windows directory
              PID:4424
        • 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:4164
          • C:\Windows\system32\cmd.exe
            C:\Windows\sysnative\cmd.exe /c wmic.exe SHADOWCOPY /nointeractive"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:5056
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic.exe SHADOWCOPY /nointeractive"
              5⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:3388
        • 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:3584
          • C:\Windows\system32\cmd.exe
            C:\Windows\sysnative\cmd.exe /c bcdedit.exe /set {default} recoverynabled No
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1776
            • C:\Windows\system32\bcdedit.exe
              bcdedit.exe /set {default} recoverynabled No
              5⤵
              • Modifies boot configuration data using bcdedit
              PID:3416
        • C:\Windows\SYSTEM32\cipher.exe
          cipher /w:\\?\F:
          3⤵
          • Enumerates connected drives
          PID:5100
        • C:\Windows\SYSTEM32\cipher.exe
          cipher /w:\\?\C:
          3⤵
            PID:4328
          • C:\Windows\SYSTEM32\cipher.exe
            cipher /w:\\?\A:
            3⤵
            • Enumerates connected drives
            PID:384
        • 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:3344
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c pause
            3⤵
              PID:4276
        • C:\Windows\system32\vssvc.exe
          C:\Windows\system32\vssvc.exe
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3360
        • 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:4896

        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

          808d194130c49031f01beceee26e13a3

          SHA1

          dc95236fcd109e9cf3cf6a2987d5aa8abe1eb807

          SHA256

          ea7174ee1933d6519935c18b288a5d61b8d0fe5c08acc23500cf3c29295f111b

          SHA512

          f68ba1e0f3202e880b2fd8089775e89c038eabec3289c9c9de70dbb6bd89ee68b6402f927b3f64184ebc581657a4a5f5764c317bd63a97b28dc7828f802faa21

        • 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

          c66c1f6c02e6202a732294ca70560ae9

          SHA1

          3c4b22263354637ee5961dab2af50e4d6be551d0

          SHA256

          35e573ff7fd95acb895817925b80ec478ef0e99620f0580df7550ab5ce3fff48

          SHA512

          1b5e157077613d6fa2a5c1d1f424a264c633a3b74aa1c18ccbc415a69f0cbff5ec0788b637864443a333bf913b311105ddcf563f84f93adaa2b8a1e9de250ecc

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

          Filesize

          170B

          MD5

          aa15fd6e58aaf8fcdc87a1cdb24545d0

          SHA1

          2bb1feb674601793ceeabf041127ae33616a270f

          SHA256

          f1cddc32787b0fd4fc9c7b9aa70ed67e3850a92398ddb8360e968b2159ef72ed

          SHA512

          0471117b911c7f61e16bb4bc8afe742913d713be8670e3b2f4fe0a084acdb3c37113781cd728a39b67f307be589278098ac98b3e12b089373d93f6083e1372d6

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

          Filesize

          14B

          MD5

          2c807857a435aa8554d595bd14ed35d1

          SHA1

          9003a73beceab3d1b1cd65614347c33117041a95

          SHA256

          3c4fae56f61b7cdf09709c2aaf65ca47d3bf9077b1e5eb0eb1e6c5c34923eb9b

          SHA512

          95c6fa9f5b342ef34d896f083700ee12d55723e24aff42805bac5c1aa73f07d0db4f9d435d31a61da187edc2336252dfb38529b3f2b1d2039aa2a8e65d64a7a9

        • \Device\HarddiskVolume1\READ_NOTE.html

          Filesize

          3KB

          MD5

          f05ad2083fbbdf1e9e1e973e0dcbf3e2

          SHA1

          6d392b8867feac77fd00f13aed37011ec1bc7b36

          SHA256

          6cc8e84cc15f4b6424cd624ff316de2e198ac647726dbda3bc1a645925a8b4a1

          SHA512

          0d43f35caabf91d495731daaeb3afcc43b5a5492c2d97ac203537d2d0fc8c23130c72f8c74c8efa9be4ad1246e85ff1e590483c2c7777f4c7056580aa0665fab