Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    06-10-2023 02:31

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.218.3876.exe

  • Size

    686KB

  • MD5

    ecdf7acb35e4268bcafb03b8af12f659

  • SHA1

    93b0d892bd3fbb7d3d9efb69fffdc060159d4536

  • SHA256

    c0539fd02ca0184925a932a9e926c681dc9c81b5de4624250f2dd885ca5c4763

  • SHA512

    5cd325c7a0a47921e940480c4e3f983b5b56a2906639e6f2a67d3264e039f06034d286f68e36a1b1ae7642d1ac0e274283d5d45381cede14ba83177355f1017d

  • SSDEEP

    12288:UzRlcffXwJsWFAFnjJPQJq+6byL3z5SjMa1jkSC9U:ujB0JYcAa1S

Malware Config

Extracted

Path

C:\info.hta

Ransom Note
<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01//EN' 'http://www.w3.org/TR/html4/strict.dtd'> <html> <head> <meta charset='windows-1251'> <title>cartilage</title> <HTA:APPLICATION ICON='msiexec.exe' SINGLEINSTANCE='yes' SysMenu="no"> <script language='JScript'> window.moveTo(50, 50); window.resizeTo(screen.width - 100, screen.height - 100); </script> <style type='text/css'> body { font: 15px Tahoma, sans-serif; margin: 10px; line-height: 25px; background: #C6B5C4; } img { display:inline-block; } .bold { font-weight: bold; } .mark { background: #B5CC8E; padding: 2px 5px; } .header { text-align: center; font-size: 30px; line-height: 50px; font-weight: bold; margin-bottom:20px; } .info { background: #e6ecf2; border-left: 10px solid #B58CB2; } .alert { background: #FFE4E4; border-left: 10px solid #FFA07A; } .private { border: 1px dashed #000; background: #FFFFEF; } .note { height: auto; padding-bottom: 1px; margin: 15px 0; } .note .title { font-weight: bold; text-indent: 10px; height: 30px; line-height: 30px; padding-top: 10px; } .note .mark { background: #A2A2B5; } .note ul { margin-top: 0; } .note pre { margin-left: 15px; line-height: 13px; font-size: 13px; } .footer { position:fixed; bottom:0; right:0; text-align: right; } </style> </head> <body> <div class='header'> <img src='data:image/png;base64,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'> <div>All your files have been encrypted!</div> </div> <div class='bold'>All your files have been encrypted due to a security problem with your PC.</div> <div class='bold'>If you want to restore them, write us to the e-mail <span class='mark'>[email protected]</span></div> <div class='bold'>Or write us to the Tox: <span class='mark'>78E21CFF7AA85F713C1530AEF2E74E62830BEE77238F4B0A73E5E3251EAD56427BF9F7A1A074</span></div> <div class='bold'>Write this ID in the title of your message <span class='mark'>D1FFC5F1-3483</span></div> <div> You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the tool that will decrypt all your files. </div> <div class='note info'> <div class='title'>Free decryption as guarantee</div> <ul>Before paying you can send us up to 3 files for free decryption. The total size of files must be less than 4Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) </ul> </div> <div class='note info'> <div class='title'>How to obtain Bitcoins</div> <ul> The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. <br><a href='https://localbitcoins.com/buy_bitcoins'>https://localbitcoins.com/buy_bitcoins</a> <br> Also you can find other places to buy Bitcoins and beginners guide here: <br><a href='http://www.coindesk.com/information/how-can-i-buy-bitcoins/'>http://www.coindesk.com/information/how-can-i-buy-bitcoins/</a> </ul> </div> <div class='note alert'> <div class='title'>Attention!</div> <ul> <li>Do not rename encrypted files.</li> <li>Do not try to decrypt your data using third party software, it may cause permanent data loss.</li> <li>Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.</li> </ul> </div> </body> </html>
Emails

class='mark'>[email protected]</span></div>

URLs

http://www.w3.org/TR/html4/strict.dtd'>

Extracted

Path

C:\Users\Admin\Desktop\info.hta

Ransom Note
All your files have been encrypted! All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail [email protected] Or write us to the Tox: 78E21CFF7AA85F713C1530AEF2E74E62830BEE77238F4B0A73E5E3251EAD56427BF9F7A1A074 Write this ID in the title of your message D1FFC5F1-3483 You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the tool that will decrypt all your files. Free decryption as guarantee Before paying you can send us up to 3 files for free decryption. The total size of files must be less than 4Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Signatures

  • Phobos

    Phobos ransomware appeared at the beginning of 2019.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 4 IoCs
  • Renames multiple (314) files with added filename extension

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

  • Deletes backup catalog 3 TTPs 2 IoCs

    Uses wbadmin.exe to inhibit system recovery.

  • Modifies Windows Firewall 1 TTPs 2 IoCs
  • Drops startup file 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 64 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 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.

  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.218.3876.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.218.3876.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.218.3876.exe
      C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.218.3876.exe
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2692
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.218.3876.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.218.3876.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2684
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.218.3876.exe
          C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.218.3876.exe
          4⤵
            PID:2880
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2460
          • C:\Windows\system32\netsh.exe
            netsh advfirewall set currentprofile state off
            4⤵
            • Modifies Windows Firewall
            PID:1880
          • C:\Windows\system32\netsh.exe
            netsh firewall set opmode mode=disable
            4⤵
            • Modifies Windows Firewall
            PID:1980
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2436
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:592
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic shadowcopy delete
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2896
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} bootstatuspolicy ignoreallfailures
            4⤵
            • Modifies boot configuration data using bcdedit
            PID:2388
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} recoveryenabled no
            4⤵
            • Modifies boot configuration data using bcdedit
            PID:2980
          • C:\Windows\system32\wbadmin.exe
            wbadmin delete catalog -quiet
            4⤵
            • Deletes backup catalog
            PID:2408
        • C:\Windows\SysWOW64\mshta.exe
          "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta"
          3⤵
          • Modifies Internet Explorer settings
          PID:2024
        • C:\Windows\SysWOW64\mshta.exe
          "C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta"
          3⤵
          • Modifies Internet Explorer settings
          PID:2504
        • C:\Windows\SysWOW64\mshta.exe
          "C:\Windows\SysWOW64\mshta.exe" "C:\info.hta"
          3⤵
          • Modifies Internet Explorer settings
          PID:1888
        • C:\Windows\SysWOW64\mshta.exe
          "C:\Windows\SysWOW64\mshta.exe" "F:\info.hta"
          3⤵
          • Modifies Internet Explorer settings
          PID:1848
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
            PID:2420
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              4⤵
              • Interacts with shadow copies
              PID:2784
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic shadowcopy delete
              4⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:560
            • C:\Windows\system32\bcdedit.exe
              bcdedit /set {default} bootstatuspolicy ignoreallfailures
              4⤵
              • Modifies boot configuration data using bcdedit
              PID:2388
            • C:\Windows\system32\bcdedit.exe
              bcdedit /set {default} recoveryenabled no
              4⤵
              • Modifies boot configuration data using bcdedit
              PID:1384
            • C:\Windows\system32\wbadmin.exe
              wbadmin delete catalog -quiet
              4⤵
              • Deletes backup catalog
              PID:2064
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1448
      • C:\Windows\system32\wbengine.exe
        "C:\Windows\system32\wbengine.exe"
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1220
      • C:\Windows\System32\vdsldr.exe
        C:\Windows\System32\vdsldr.exe -Embedding
        1⤵
          PID:2472
        • C:\Windows\System32\vds.exe
          C:\Windows\System32\vds.exe
          1⤵
            PID:2552

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ProPlusWW.msi.id[D1FFC5F1-3483].[[email protected]].8base

            Filesize

            24.4MB

            MD5

            80e8005fc8da4e56d6ca363dda50a8ef

            SHA1

            35ca1eb960b9b98078fc20c359e7d06dc4dbd031

            SHA256

            7400cddc3ebac85c16df27513c9576fc2cf7fe8712f0ab8154ca5bf869c155d5

            SHA512

            4f8f658db383c7ca21517805acd0799af6af2c9f56bac1461476a7056243ab4e6f7c49d3e735846a6992a49ad04b6a763e8875fc1650a2b68c6c698ba622d70f

          • C:\Users\Admin\Desktop\info.hta

            Filesize

            5KB

            MD5

            f43e0baf960911701076eb4a06773675

            SHA1

            76b7758e511bc40ed908c8dfb50de75849c10b59

            SHA256

            3e74ad096e50c84df9d27ddbd715921e83f09f9cafc660a3f427aef716b609c4

            SHA512

            43758b0198721018b24a86abc06e091a5ffc9fdaa5f625e18e0cd18848a57851c0a283da98e7fbb5cd5c1a57e26dd57247f10a20962f0177788a3cfb5d40b926

          • C:\info.hta

            Filesize

            5KB

            MD5

            f43e0baf960911701076eb4a06773675

            SHA1

            76b7758e511bc40ed908c8dfb50de75849c10b59

            SHA256

            3e74ad096e50c84df9d27ddbd715921e83f09f9cafc660a3f427aef716b609c4

            SHA512

            43758b0198721018b24a86abc06e091a5ffc9fdaa5f625e18e0cd18848a57851c0a283da98e7fbb5cd5c1a57e26dd57247f10a20962f0177788a3cfb5d40b926

          • C:\info.hta

            Filesize

            5KB

            MD5

            f43e0baf960911701076eb4a06773675

            SHA1

            76b7758e511bc40ed908c8dfb50de75849c10b59

            SHA256

            3e74ad096e50c84df9d27ddbd715921e83f09f9cafc660a3f427aef716b609c4

            SHA512

            43758b0198721018b24a86abc06e091a5ffc9fdaa5f625e18e0cd18848a57851c0a283da98e7fbb5cd5c1a57e26dd57247f10a20962f0177788a3cfb5d40b926

          • C:\users\public\desktop\info.hta

            Filesize

            5KB

            MD5

            f43e0baf960911701076eb4a06773675

            SHA1

            76b7758e511bc40ed908c8dfb50de75849c10b59

            SHA256

            3e74ad096e50c84df9d27ddbd715921e83f09f9cafc660a3f427aef716b609c4

            SHA512

            43758b0198721018b24a86abc06e091a5ffc9fdaa5f625e18e0cd18848a57851c0a283da98e7fbb5cd5c1a57e26dd57247f10a20962f0177788a3cfb5d40b926

          • F:\info.hta

            Filesize

            5KB

            MD5

            f43e0baf960911701076eb4a06773675

            SHA1

            76b7758e511bc40ed908c8dfb50de75849c10b59

            SHA256

            3e74ad096e50c84df9d27ddbd715921e83f09f9cafc660a3f427aef716b609c4

            SHA512

            43758b0198721018b24a86abc06e091a5ffc9fdaa5f625e18e0cd18848a57851c0a283da98e7fbb5cd5c1a57e26dd57247f10a20962f0177788a3cfb5d40b926

          • memory/2684-18-0x0000000000AB0000-0x0000000000B62000-memory.dmp

            Filesize

            712KB

          • memory/2684-31-0x0000000074080000-0x000000007476E000-memory.dmp

            Filesize

            6.9MB

          • memory/2684-20-0x0000000004D30000-0x0000000004D70000-memory.dmp

            Filesize

            256KB

          • memory/2684-19-0x0000000074080000-0x000000007476E000-memory.dmp

            Filesize

            6.9MB

          • memory/2692-11-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-47-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-14-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-3220-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2692-17-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-10-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-9-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-8-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-6-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-3183-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-3180-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-34-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-44-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-45-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-46-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-48-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-3172-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-49-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-62-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-65-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-81-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-83-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-7-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-265-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2692-283-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2880-33-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2880-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/3056-0-0x0000000000AB0000-0x0000000000B62000-memory.dmp

            Filesize

            712KB

          • memory/3056-16-0x00000000740D0000-0x00000000747BE000-memory.dmp

            Filesize

            6.9MB

          • memory/3056-5-0x00000000041D0000-0x000000000421C000-memory.dmp

            Filesize

            304KB

          • memory/3056-4-0x0000000000A70000-0x0000000000AA4000-memory.dmp

            Filesize

            208KB

          • memory/3056-3-0x0000000000930000-0x0000000000976000-memory.dmp

            Filesize

            280KB

          • memory/3056-2-0x00000000049B0000-0x00000000049F0000-memory.dmp

            Filesize

            256KB

          • memory/3056-1-0x00000000740D0000-0x00000000747BE000-memory.dmp

            Filesize

            6.9MB