Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-12-2024 03:02

General

  • Target

    d2cfb764e6a9bd91c8e059fb9871e081518e768e203c22bd70e0608dcb3d0728.exe

  • Size

    626KB

  • MD5

    89be807c14a9ca916cf14503aed30acc

  • SHA1

    0cfda7b2260b87640d618874964fa2dc8341e706

  • SHA256

    d2cfb764e6a9bd91c8e059fb9871e081518e768e203c22bd70e0608dcb3d0728

  • SHA512

    f6a05335109c9940e5a02debe1ec15d69f47008dc78e9cd02d7de59ec49f6f00d7ed3254b5f70c04cc0f2cff85adf862135e9a486885d98aea15e7aebba95891

  • SSDEEP

    6144:Cmij2Ea7PhUveXe5v0OUd0MKw0UO3SIE0LPp9HflD5RuIBWKD:CmDEYhIeXNOUdFKwHO3BE+pRNDpWw

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>encrypted</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: #EDEDED; } img { display:inline-block; } .bold { font-weight: bold; } .mark { background: #D0D0E8; padding: 2px 5px; } .header { text-align: center; font-size: 30px; line-height: 50px; font-weight: bold; margin-bottom:20px; } .info { background: #D0D0E8; border-left: 10px solid #00008B; } .alert { background: #FFE4E4; border-left: 10px solid #FF0000; } .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. If you want to restore them, write us to the e-mail <span class='mark'>[email protected]</span></div> <div class='bold'>Write this ID in the title of your message <span class='mark'>5F75D506-3398</span></div> <div class='bold'>In case of no answer in 24 hours write us to this e-mail:<span class='mark'>[email protected]</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 5 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>

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

URLs

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

Signatures

  • Phobos

    Phobos ransomware appeared at the beginning of 2019.

  • Phobos family
  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 4 IoCs
  • Renames multiple (313) 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 2 TTPs 2 IoCs
  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Drops startup file 3 IoCs
  • Reads user/profile data of web browsers 3 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
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Interacts with shadow copies 3 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\d2cfb764e6a9bd91c8e059fb9871e081518e768e203c22bd70e0608dcb3d0728.exe
    "C:\Users\Admin\AppData\Local\Temp\d2cfb764e6a9bd91c8e059fb9871e081518e768e203c22bd70e0608dcb3d0728.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Users\Admin\AppData\Local\Temp\d2cfb764e6a9bd91c8e059fb9871e081518e768e203c22bd70e0608dcb3d0728.exe
      "C:\Users\Admin\AppData\Local\Temp\d2cfb764e6a9bd91c8e059fb9871e081518e768e203c22bd70e0608dcb3d0728.exe"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2256
      • C:\Users\Admin\AppData\Local\Temp\d2cfb764e6a9bd91c8e059fb9871e081518e768e203c22bd70e0608dcb3d0728.exe
        "C:\Users\Admin\AppData\Local\Temp\d2cfb764e6a9bd91c8e059fb9871e081518e768e203c22bd70e0608dcb3d0728.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2204
        • C:\Users\Admin\AppData\Local\Temp\d2cfb764e6a9bd91c8e059fb9871e081518e768e203c22bd70e0608dcb3d0728.exe
          "C:\Users\Admin\AppData\Local\Temp\d2cfb764e6a9bd91c8e059fb9871e081518e768e203c22bd70e0608dcb3d0728.exe"
          4⤵
            PID:1492
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2716
          • C:\Windows\system32\netsh.exe
            netsh advfirewall set currentprofile state off
            4⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            PID:2616
          • C:\Windows\system32\netsh.exe
            netsh firewall set opmode mode=disable
            4⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            PID:2160
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2820
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:1732
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic shadowcopy delete
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2600
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} bootstatuspolicy ignoreallfailures
            4⤵
            • Modifies boot configuration data using bcdedit
            PID:2948
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} recoveryenabled no
            4⤵
            • Modifies boot configuration data using bcdedit
            PID:2004
          • C:\Windows\system32\wbadmin.exe
            wbadmin delete catalog -quiet
            4⤵
            • Deletes backup catalog
            PID:1480
        • C:\Windows\SysWOW64\mshta.exe
          "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta"
          3⤵
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          PID:1072
        • C:\Windows\SysWOW64\mshta.exe
          "C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta"
          3⤵
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          PID:1960
        • C:\Windows\SysWOW64\mshta.exe
          "C:\Windows\SysWOW64\mshta.exe" "C:\info.hta"
          3⤵
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          PID:2116
        • C:\Windows\SysWOW64\mshta.exe
          "C:\Windows\SysWOW64\mshta.exe" "F:\info.hta"
          3⤵
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          PID:3036
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
            PID:1768
            • C:\Windows\system32\vssadmin.exe
              vssadmin delete shadows /all /quiet
              4⤵
              • Interacts with shadow copies
              PID:1988
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic shadowcopy delete
              4⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:2252
            • C:\Windows\system32\bcdedit.exe
              bcdedit /set {default} bootstatuspolicy ignoreallfailures
              4⤵
              • Modifies boot configuration data using bcdedit
              PID:1808
            • C:\Windows\system32\bcdedit.exe
              bcdedit /set {default} recoveryenabled no
              4⤵
              • Modifies boot configuration data using bcdedit
              PID:1736
            • C:\Windows\system32\wbadmin.exe
              wbadmin delete catalog -quiet
              4⤵
              • Deletes backup catalog
              PID:2344
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2456
      • C:\Windows\system32\wbengine.exe
        "C:\Windows\system32\wbengine.exe"
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2732
      • C:\Windows\System32\vdsldr.exe
        C:\Windows\System32\vdsldr.exe -Embedding
        1⤵
          PID:224
        • C:\Windows\System32\vds.exe
          C:\Windows\System32\vds.exe
          1⤵
            PID:1344

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\info.hta

            Filesize

            5KB

            MD5

            cbe02e3d95121845cb753e30a282b508

            SHA1

            382b1fdf7b0d601b0cd31259f5c2670722b7c74c

            SHA256

            c0d4ab91ffd3a22686862000323b09b413534e6e75281f18cac34f179805c63b

            SHA512

            dd47682206c437a48fc90ed568a3f45b6dfab5dabd4aebe701ee6be918e8c122aff44687f25220649b23980ee0c08240386b464974a0061c6568d350a449f531

          • memory/1492-35-0x0000000000401000-0x000000000040A000-memory.dmp

            Filesize

            36KB

          • memory/1492-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2204-16-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

            Filesize

            4KB

          • memory/2204-965-0x0000000074CA0000-0x000000007538E000-memory.dmp

            Filesize

            6.9MB

          • memory/2204-17-0x0000000074CA0000-0x000000007538E000-memory.dmp

            Filesize

            6.9MB

          • memory/2256-12-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-47-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-372-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-15-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2256-9-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-8-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-7-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-6-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-5-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-4-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-50-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-46-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-14-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-48-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-49-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-51-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-63-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-59-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-79-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-77-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2256-88-0x0000000000400000-0x0000000000413000-memory.dmp

            Filesize

            76KB

          • memory/2528-85-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

            Filesize

            4KB

          • memory/2528-3-0x0000000074CA0000-0x000000007538E000-memory.dmp

            Filesize

            6.9MB

          • memory/2528-291-0x0000000074CA0000-0x000000007538E000-memory.dmp

            Filesize

            6.9MB

          • memory/2528-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

            Filesize

            4KB

          • memory/2528-2-0x0000000000380000-0x0000000000394000-memory.dmp

            Filesize

            80KB

          • memory/2528-1-0x0000000000B50000-0x0000000000BF2000-memory.dmp

            Filesize

            648KB