Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    26-07-2024 07:05

General

  • Target

    f604723783fbd9d194418ff08b5b30a120bc69ba91c3d74ca7ee6be20cb28800.exe

  • Size

    74KB

  • MD5

    d347769098a8697660804d68eaac0622

  • SHA1

    e2758e6c0751c30849614728a63aeb9e82ea3113

  • SHA256

    f604723783fbd9d194418ff08b5b30a120bc69ba91c3d74ca7ee6be20cb28800

  • SHA512

    b4874af4ffd16bce8682f6ecedc5f2dd4ec0ebd34af438f760e3aeeefef55e6cb634598f9edbe5e829cdbb4e3e701f11f0890faaee43a669b081b0f74acc34aa

  • SSDEEP

    1536:mNeRBl5PT/rx1mzwRMSTdLpJPgEEt4AwMEz9UQzdbGCq2iW7z:mQRrmzwR5Jw45MEyQ5GCH

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 STEALED and ENCRYPTED !<br>Contact with Us before contacting Data Recovery Companies!</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> or this mails: <span class='mark'>[email protected]</span> </div> <div class='bold'>Write this ID in the title of your message <span class='mark'>A862BB42-3542</span></div> <div class='bold'>If there is no response from our mail, you can install the Jabber client and write to us in support of <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 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='title'>Jabber client installation instructions:</div> <div class='note info'> <ul> <li>Download the jabber (Pidgin) client from https://pidgin.im/download/windows/</li> <li>After installation, the Pidgin client will prompt you to create a new account.</li> <li>Click "Add"</li><li>In the "Protocol" field, select XMPP</li> <li>In "Username" - come up with any name</li> <li>In the field "domain" - enter any jabber-server, there are a lot of them, for example - exploit.im</li> <li>Create a password</li><li>At the bottom, put a tick "Create account"</li> <li>Click add</li> <li>If you selected "domain" - exploit.im, then a new window should appear in which you will need to re-enter your data:</li> <ul> <li>User</li> <li>password</li> <li>You will need to follow the link to the captcha (there you will see the characters that you need to enter in the field below)</li> </ul> <li>If you don't understand our Pidgin client installation instructions, you can find many installation tutorials on youtube - <a href = "https://www.youtube.com/results?search_query=pidgin+jabber+install">https://www.youtube.com/results?search_query=pidgin+jabber+install</a></li> </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>

class='mark'>[email protected]</span>

class='mark'>[email protected]</span>

URLs

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

https://pidgin.im/download/windows/</li>

Signatures

  • Phobos

    Phobos ransomware appeared at the beginning of 2019.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 (309) 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
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Credentials from Password Stores: Windows Credential Manager 1 TTPs

    Suspicious access to Credentials History.

  • Drops startup file 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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
  • 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\f604723783fbd9d194418ff08b5b30a120bc69ba91c3d74ca7ee6be20cb28800.exe
    "C:\Users\Admin\AppData\Local\Temp\f604723783fbd9d194418ff08b5b30a120bc69ba91c3d74ca7ee6be20cb28800.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • 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:2484
    • C:\Users\Admin\AppData\Local\Temp\zGrw.exe
      C:\Users\Admin\AppData\Local\Temp\zGrw.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2108
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\3c09740d.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1516
    • C:\Users\Admin\AppData\Local\Temp\f604723783fbd9d194418ff08b5b30a120bc69ba91c3d74ca7ee6be20cb28800.exe
      "C:\Users\Admin\AppData\Local\Temp\f604723783fbd9d194418ff08b5b30a120bc69ba91c3d74ca7ee6be20cb28800.exe"
      2⤵
        PID:2696
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2804
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2608
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1032
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:2212
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:2104
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:1076
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2648
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set currentprofile state off
          3⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:2976
        • C:\Windows\system32\netsh.exe
          netsh firewall set opmode mode=disable
          3⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:1692
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta"
        2⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:1744
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta"
        2⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:2012
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\info.hta"
        2⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:1968
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "F:\info.hta"
        2⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:2700
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3016
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:2372
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:880
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:2248
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:2828
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:3040
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:876
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:200
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:1744
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
          PID:2284

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe

          Filesize

          272KB

          MD5

          f20781b44d7f5bfb952095f27654dea2

          SHA1

          702e51591b7b7687ca9337b15e6092d1d6acd551

          SHA256

          6f26bd157694c309f9eb4b64188b86a0d56775b46b927468abd9d72f99b8e44f

          SHA512

          0edab6e5215215f0d5b6c47c2aa2202f34eeca6949ec9b95a829ef478f491617023fb6fa36efd784ed9d2a521c005cb284247a7197156315e4a2833da2504e64

        • C:\Program Files\7-Zip\Uninstall.exe

          Filesize

          31KB

          MD5

          b5749c3b44ad0e2bdf0eb0b1b4213a82

          SHA1

          6ef08a2ef0f9f9d74b1ac775091ee3b649b282e2

          SHA256

          6fdd2a20939a51af9a8623112d79688286b8f50a3f4afd6faa1986a2e12a0ade

          SHA512

          7c0faf31fadcbf5a5df0ee8b441fc7b6f124bc7027b30632cfadf060c7afcd07752c13654798cb9abff97f9901dda239eb1981ea206bb9074e5b2e47730acf52

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\69P6875H\k2[1].rar

          Filesize

          4B

          MD5

          d3b07384d113edec49eaa6238ad5ff00

          SHA1

          f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

          SHA256

          b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

          SHA512

          0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

        • C:\Users\Admin\AppData\Local\Temp\3c09740d.bat

          Filesize

          183B

          MD5

          8f599ac449d923fa7e0db0c478153015

          SHA1

          4199b11bd42027a02ff28570d39438e2ad7ff7fc

          SHA256

          9d5bc82b619294d5ff5a15c3c7880cf98f9dae454f8436e49fc29d19b29097c0

          SHA512

          7090ab152f78fe869ec0b2cf10cdff7cb3c4a17adc077b016fa281b04ef48852c55f53a904b7af01899a9847243213b197358b369931a7534febf4682c230c80

        • C:\Users\Admin\AppData\Local\Temp\64812D63.exe

          Filesize

          4B

          MD5

          20879c987e2f9a916e578386d499f629

          SHA1

          c7b33ddcc42361fdb847036fc07e880b81935d5d

          SHA256

          9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

          SHA512

          bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

        • C:\info.hta

          Filesize

          6KB

          MD5

          dc6f9cb205f18d53d20145ac9b5a78c0

          SHA1

          caa02010e9155ff7a19f0bfb57280b4b8b8d1060

          SHA256

          449d556e5c93207397d156176bbddf3e04fb0bc865e503e19c26f014171704a4

          SHA512

          ad2236a04642232d55ba9105c336a7c2aa4d533b13e4fcb0f06d6666991ba43f475ee7d2d2d41ff26aa77fbaf6fdc8c18263d876d8743dda67e45843baf41df6

        • \Users\Admin\AppData\Local\Temp\zGrw.exe

          Filesize

          15KB

          MD5

          f7d21de5c4e81341eccd280c11ddcc9a

          SHA1

          d4e9ef10d7685d491583c6fa93ae5d9105d815bd

          SHA256

          4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

          SHA512

          e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

        • memory/2108-11-0x0000000000FD0000-0x0000000000FD9000-memory.dmp

          Filesize

          36KB

        • memory/2108-2351-0x0000000000FD0000-0x0000000000FD9000-memory.dmp

          Filesize

          36KB

        • memory/2484-10-0x0000000000FD0000-0x0000000000FD9000-memory.dmp

          Filesize

          36KB

        • memory/2484-9-0x0000000000FD0000-0x0000000000FD9000-memory.dmp

          Filesize

          36KB

        • memory/2484-1-0x00000000013E0000-0x00000000013F9000-memory.dmp

          Filesize

          100KB

        • memory/2484-8584-0x00000000013E0000-0x00000000013F9000-memory.dmp

          Filesize

          100KB

        • memory/2696-14-0x00000000013E0000-0x00000000013F9000-memory.dmp

          Filesize

          100KB