Windows 7 deprecation

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Analysis

  • max time kernel
    300s
  • max time network
    297s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/02/2025, 07:11

General

  • Target

    19022025_0711_sample.exe

  • Size

    481KB

  • MD5

    bd6e69713ccfdbc9e9486bfabf135128

  • SHA1

    cd57d85db99bcb948a089b09902ad093708ff90e

  • SHA256

    11840e492551afa910f38f3077881db2556d97de174d2bbf239b8bb0b5f1d02f

  • SHA512

    5bd041c55bb551023a65cc69e78d442311386267e170e0f6c7bda9aeffae4277ddc6496183dca1f3d96f2e8b060555c266612e1384af6af229f41c6a0c5085e7

  • SSDEEP

    6144:suQ7u0a0Lgb2mzHy2ZkFlqe1u5hDimntgNqtOq:sRayLk3zHtkFlD1SfOq

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'>EB29C1CF-2850</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 class='bold'>Or write us to the TOX messenger: B41CBC188B890112FD97854A0896E5209C054445197448DDD930BA72D3AB98362ABAE0827CFA</span></div> <div class='bold'>You can download TOX messenger here <a href='https://tox.chat/'>https://tox.chat/</a></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>

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 (655) 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.

  • Deletes itself 1 IoCs
  • Drops startup file 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 64 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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.

  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

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

  • Interacts with shadow copies 3 TTPs 2 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 62 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\19022025_0711_sample.exe
    "C:\Users\Admin\AppData\Local\Temp\19022025_0711_sample.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4852
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      2⤵
        PID:3984
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
        2⤵
        • Deletes itself
        • 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
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3816
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          PID:1156
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1488
          • C:\Windows\system32\netsh.exe
            netsh advfirewall set currentprofile state off
            4⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            PID:996
          • C:\Windows\system32\netsh.exe
            netsh firewall set opmode mode=disable
            4⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            PID:1400
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2252
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:1496
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic shadowcopy delete
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1168
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} bootstatuspolicy ignoreallfailures
            4⤵
            • Modifies boot configuration data using bcdedit
            PID:4684
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} recoveryenabled no
            4⤵
            • Modifies boot configuration data using bcdedit
            PID:1528
          • C:\Windows\system32\wbadmin.exe
            wbadmin delete catalog -quiet
            4⤵
            • Deletes backup catalog
            PID:464
        • C:\Windows\SysWOW64\mshta.exe
          "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
          3⤵
          • System Location Discovery: System Language Discovery
          PID:3152
        • C:\Windows\SysWOW64\mshta.exe
          "C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
          3⤵
          • System Location Discovery: System Language Discovery
          PID:4448
        • C:\Windows\SysWOW64\mshta.exe
          "C:\Windows\SysWOW64\mshta.exe" "C:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
          3⤵
          • System Location Discovery: System Language Discovery
          PID:1632
        • C:\Windows\SysWOW64\mshta.exe
          "C:\Windows\SysWOW64\mshta.exe" "F:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
          3⤵
          • System Location Discovery: System Language Discovery
          PID:2316
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4640
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:4876
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic shadowcopy delete
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1260
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} bootstatuspolicy ignoreallfailures
            4⤵
            • Modifies boot configuration data using bcdedit
            PID:1252
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} recoveryenabled no
            4⤵
            • Modifies boot configuration data using bcdedit
            PID:3308
          • C:\Windows\system32\wbadmin.exe
            wbadmin delete catalog -quiet
            4⤵
            • Deletes backup catalog
            PID:4452
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4388
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:832
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:4636
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:3580

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R64.dll.id[EB29C1CF-2850].[[email protected]].blue

        Filesize

        3.6MB

        MD5

        0fdcb0fff428e84f86c8559a6bdbbec5

        SHA1

        ad5c265998a9e428ce7c2f08b343b4943d0fca3c

        SHA256

        f8262e3d124eafda42c85cc2da140e7ef87714d493f93ccb80fe4a23d4315732

        SHA512

        b150bdaea5765f49624160b38d99ea33e0960d802f35a151e67bacaf5db5686d68f68f1b4382da0e709002fef2f2a6eb2d492a1af7d734880f5645ee8e0c4e87

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\19022025_0711_sample.exe.log

        Filesize

        1KB

        MD5

        9a2d0ce437d2445330f2646472703087

        SHA1

        33c83e484a15f35c2caa3af62d5da6b7713a20ae

        SHA256

        30ea2f716e85f8d14a201e3fb0897d745a01b113342dfb7a9b7ac133c4ef150c

        SHA512

        a61d18d90bfad9ea8afdfa37537cfea3d5a3d0c161e323fa65840c283bdc87c3de85daaff5519beea2f2719eec1c68398eea8679b55ff733a61052f073162d5d

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\AddInProcess32.exe.log

        Filesize

        411B

        MD5

        11bf8baec939519fc233f581b0853250

        SHA1

        fd6be3ec5a12cec16ef87f35e69134bfa522386a

        SHA256

        aa367951f76ca413307e745f97640321a46d8d6c20cf27ffb7a259481b576f88

        SHA512

        e06fbd6bf555460dca2b876f44806abbdb8a5d82a92464854cb03f081ac0421ea2803c8caf3f1755494e218eb0b6ef68368da736b2323df9c9dcbd45984e8172

      • C:\info.hta

        Filesize

        5KB

        MD5

        d085e0ccf39cf3ffac57ad35db1a2def

        SHA1

        36325fface386fee85122cf99e08f92f9f51bc91

        SHA256

        4dc9d93136b25cf7b151c1c035c1e0d518147d1305433486964fe4dc847f36a6

        SHA512

        b93b67e3e1e66b6b7b9fff7cdeff370a3e4a1502b566fe2d9394ec329bb79e081c3cc7bb30db45eebdb1672684d92184fb5e0bef05f5d540f750f41b919d9c5d

      • memory/1156-17-0x0000000074F40000-0x0000000074FEB000-memory.dmp

        Filesize

        684KB

      • memory/1156-22-0x0000000074F40000-0x0000000074FEB000-memory.dmp

        Filesize

        684KB

      • memory/1156-20-0x00000000053E0000-0x0000000005436000-memory.dmp

        Filesize

        344KB

      • memory/1156-19-0x0000000005350000-0x000000000537A000-memory.dmp

        Filesize

        168KB

      • memory/1156-18-0x0000000000B70000-0x0000000000B7C000-memory.dmp

        Filesize

        48KB

      • memory/3816-203-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-256-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-13270-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-2209-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-13-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-14-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-1828-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-1831-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-1518-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-212-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-175-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-164-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-23-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-42-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-34-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-33-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-35-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-135-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-130-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-118-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-37-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/3816-36-0x0000000000400000-0x0000000000413000-memory.dmp

        Filesize

        76KB

      • memory/4852-7-0x0000000006C50000-0x0000000006C92000-memory.dmp

        Filesize

        264KB

      • memory/4852-5-0x0000000004EF0000-0x0000000004EFA000-memory.dmp

        Filesize

        40KB

      • memory/4852-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

        Filesize

        4KB

      • memory/4852-4-0x0000000004F90000-0x0000000005022000-memory.dmp

        Filesize

        584KB

      • memory/4852-6-0x0000000074F70000-0x0000000075720000-memory.dmp

        Filesize

        7.7MB

      • memory/4852-10-0x0000000074F70000-0x0000000075720000-memory.dmp

        Filesize

        7.7MB

      • memory/4852-8-0x0000000074F70000-0x0000000075720000-memory.dmp

        Filesize

        7.7MB

      • memory/4852-9-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

        Filesize

        4KB

      • memory/4852-16-0x0000000074F70000-0x0000000075720000-memory.dmp

        Filesize

        7.7MB

      • memory/4852-12-0x0000000006380000-0x0000000006386000-memory.dmp

        Filesize

        24KB

      • memory/4852-3-0x00000000054A0000-0x0000000005A44000-memory.dmp

        Filesize

        5.6MB

      • memory/4852-2-0x0000000004E50000-0x0000000004EEC000-memory.dmp

        Filesize

        624KB

      • memory/4852-11-0x0000000006210000-0x000000000622A000-memory.dmp

        Filesize

        104KB

      • memory/4852-1-0x00000000008A0000-0x000000000091C000-memory.dmp

        Filesize

        496KB