Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-02-2024 10:33

General

  • Target

    bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.exe

  • Size

    629KB

  • MD5

    8d43df6614a9f5a25e0c2fc3358623a9

  • SHA1

    a0e1da71ca2eedad16782d8fa895ba0545307b9a

  • SHA256

    bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f

  • SHA512

    51060e121416bc91219fb11e0c2aad33b6e10531bc55fd333b9c4810050bff072fd146dc935029cae568bde53a4a38a9eb5eb0b3d47409e1043c5664b6daa030

  • SSDEEP

    12288:P4w3Gugeukge5Mv0A4bYut9JFhMP9ctfNjZIU4m8ULUgLC1m4D6UrPg1hB6+kbT2:3rIYYut9JFhMP9ctfNjZIU4m8ULUgLC5

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'>BC5ED131-3483</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'>

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 (503) 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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).

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

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

  • Interacts with shadow copies 2 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\bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.exe
    "C:\Users\Admin\AppData\Local\Temp\bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1300
    • C:\Users\Admin\AppData\Local\Temp\bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.exe
      C:\Users\Admin\AppData\Local\Temp\bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.exe
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Adds Run key to start application
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:512
      • C:\Users\Admin\AppData\Local\Temp\bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.exe
        "C:\Users\Admin\AppData\Local\Temp\bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1416
        • C:\Users\Admin\AppData\Local\Temp\bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.exe
          C:\Users\Admin\AppData\Local\Temp\bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.exe
          4⤵
            PID:3952
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1032
          • C:\Windows\system32\vssadmin.exe
            vssadmin delete shadows /all /quiet
            4⤵
            • Interacts with shadow copies
            PID:3368
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic shadowcopy delete
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4616
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} bootstatuspolicy ignoreallfailures
            4⤵
            • Modifies boot configuration data using bcdedit
            PID:1068
          • C:\Windows\system32\bcdedit.exe
            bcdedit /set {default} recoveryenabled no
            4⤵
            • Modifies boot configuration data using bcdedit
            PID:2540
          • C:\Windows\system32\wbadmin.exe
            wbadmin delete catalog -quiet
            4⤵
            • Deletes backup catalog
            PID:3792
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2620
          • C:\Windows\system32\netsh.exe
            netsh advfirewall set currentprofile state off
            4⤵
            • Modifies Windows Firewall
            PID:364
          • C:\Windows\system32\netsh.exe
            netsh firewall set opmode mode=disable
            4⤵
            • Modifies Windows Firewall
            PID:4264
        • 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⤵
            PID:3008
          • 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⤵
              PID:5420
            • C:\Windows\SysWOW64\mshta.exe
              "C:\Windows\SysWOW64\mshta.exe" "C:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
              3⤵
                PID:5400
              • C:\Windows\SysWOW64\mshta.exe
                "C:\Windows\SysWOW64\mshta.exe" "F:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
                3⤵
                  PID:5368
                • C:\Windows\system32\cmd.exe
                  "C:\Windows\system32\cmd.exe"
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:5344
                  • C:\Windows\system32\vssadmin.exe
                    vssadmin delete shadows /all /quiet
                    4⤵
                    • Interacts with shadow copies
                    PID:5624
                  • C:\Windows\System32\Wbem\WMIC.exe
                    wmic shadowcopy delete
                    4⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:5796
                  • C:\Windows\system32\bcdedit.exe
                    bcdedit /set {default} bootstatuspolicy ignoreallfailures
                    4⤵
                    • Modifies boot configuration data using bcdedit
                    PID:5772
                  • C:\Windows\system32\bcdedit.exe
                    bcdedit /set {default} recoveryenabled no
                    4⤵
                    • Modifies boot configuration data using bcdedit
                    PID:5780
                  • C:\Windows\system32\wbadmin.exe
                    wbadmin delete catalog -quiet
                    4⤵
                    • Deletes backup catalog
                    PID:5832
            • C:\Windows\system32\vssvc.exe
              C:\Windows\system32\vssvc.exe
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:628
            • C:\Windows\system32\wbengine.exe
              "C:\Windows\system32\wbengine.exe"
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:4268
            • C:\Windows\System32\vdsldr.exe
              C:\Windows\System32\vdsldr.exe -Embedding
              1⤵
                PID:3040
              • C:\Windows\System32\vds.exe
                C:\Windows\System32\vds.exe
                1⤵
                • Checks SCSI registry key(s)
                PID:920

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems64.dll.id[BC5ED131-3483].[[email protected]].8base

                Filesize

                3.2MB

                MD5

                2e75fa8cb17005d2b92243896d641c66

                SHA1

                f6a6fd254b6feb56ce46bf65f94e15f719fd0da6

                SHA256

                3819d3407ac6a116762550156bf2943fa6222ffde56bc39caca317bf5777c744

                SHA512

                5e9c69df1964a814e18da18d4398d97bcc7007d8ccf08ce3ca40c2e2500af088e6394b9775f6c5a2c2d55cf97f17cf5e18e24d9d5e751b40ab5cdcd95fae4552

              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\bce05faf83af5453ac53fce0f7cf2792d35021a949b58a29cc483072672b550f.exe.log

                Filesize

                927B

                MD5

                4a911455784f74e368a4c2c7876d76f4

                SHA1

                a1700a0849ffb4f26671eb76da2489946b821c34

                SHA256

                264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c

                SHA512

                4617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d

              • C:\info.hta

                Filesize

                5KB

                MD5

                229942a7a97492ab699e1fe6f305f3ac

                SHA1

                ffa9b22350691c501ae116026027f04b182eeb04

                SHA256

                13ff43bef5c3f401f316e240ad435ec696b55ee0654e53cd392609dcb8580c35

                SHA512

                2a0c38c734e19c1d91f9898e275f2d5b1283dd1f76f65ea15fd53f7d24f4a461ef6779306f572a28f537a5bf3ac70bb0e05e0a52b6c573b54e615b39c7a1d2f2

              • memory/512-247-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-233-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-253-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-9547-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-7-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-10-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-2281-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-12-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-1471-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-1444-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-1462-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-416-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-453-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-30-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-32-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-34-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-232-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-36-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-53-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-131-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-180-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-178-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-254-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-12073-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-37-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-332-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-334-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-368-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-367-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-366-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-270-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-269-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-268-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/512-38-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB

              • memory/1300-4-0x00000000055D0000-0x0000000005604000-memory.dmp

                Filesize

                208KB

              • memory/1300-2-0x0000000005470000-0x00000000054B6000-memory.dmp

                Filesize

                280KB

              • memory/1300-0-0x0000000000940000-0x00000000009E4000-memory.dmp

                Filesize

                656KB

              • memory/1300-3-0x0000000005460000-0x0000000005470000-memory.dmp

                Filesize

                64KB

              • memory/1300-11-0x0000000074DD0000-0x0000000075580000-memory.dmp

                Filesize

                7.7MB

              • memory/1300-6-0x0000000005C60000-0x0000000006204000-memory.dmp

                Filesize

                5.6MB

              • memory/1300-5-0x0000000005610000-0x000000000565C000-memory.dmp

                Filesize

                304KB

              • memory/1300-1-0x0000000074DD0000-0x0000000075580000-memory.dmp

                Filesize

                7.7MB

              • memory/1416-18-0x0000000074E70000-0x0000000075620000-memory.dmp

                Filesize

                7.7MB

              • memory/1416-15-0x0000000005140000-0x0000000005150000-memory.dmp

                Filesize

                64KB

              • memory/1416-14-0x0000000074E70000-0x0000000075620000-memory.dmp

                Filesize

                7.7MB

              • memory/3952-20-0x0000000000400000-0x0000000000413000-memory.dmp

                Filesize

                76KB