Overview

overview

10

Static

static

3

2024-04-01...os.exe

windows7-x64

10

2024-04-01...os.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-04-01_442d4e80550a6e0dc210a7fb7ee43f3c_phobos

  • Size

    56KB

  • Sample

    240401-tz97raaa67

  • MD5

    442d4e80550a6e0dc210a7fb7ee43f3c

  • SHA1

    45050a0f88e84f1edb216fab766db98291319073

  • SHA256

    3d42d7ba81d48f395ed578c63302ef2f5d44bc2e0dc7f3d775d25ed0db54ef33

  • SHA512

    2f0ba0955d3b360f26a90d7d84060952869ea13140101c6118d7632204dc131adc8a9e260deca0fdf8d2e4526d2f5d20d3963d384c01112da83b07687d0371c0

  • SSDEEP

    1536:NNeRBl5PT/rx1mzwRMSTdLpJqReV7RSkjvr:NQRrmzwR5JEeVtS

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'>24A1C159-3335</span></div> <div class='bold'>If you do not receive a response within 24 hours, please contact us by Telegram.org account: <span class='mark'><a href='https://t.me/Online7_365'></a>@Online7_365</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'>

Targets

    • Target

      2024-04-01_442d4e80550a6e0dc210a7fb7ee43f3c_phobos

    • Size

      56KB

    • MD5

      442d4e80550a6e0dc210a7fb7ee43f3c

    • SHA1

      45050a0f88e84f1edb216fab766db98291319073

    • SHA256

      3d42d7ba81d48f395ed578c63302ef2f5d44bc2e0dc7f3d775d25ed0db54ef33

    • SHA512

      2f0ba0955d3b360f26a90d7d84060952869ea13140101c6118d7632204dc131adc8a9e260deca0fdf8d2e4526d2f5d20d3963d384c01112da83b07687d0371c0

    • SSDEEP

      1536:NNeRBl5PT/rx1mzwRMSTdLpJqReV7RSkjvr:NQRrmzwR5JEeVtS

    Score
    10/10
    phobosevasionpersistenceransomwarespywarestealer

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

      ransomwarephobos

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Modifies boot configuration data using bcdedit

      ransomwareevasion

    • Renames multiple (313) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

      ransomware

    • Modifies Windows Firewall

      evasion

    • Drops startup file

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Indicator Removal

3
T1070

File Deletion

3
T1070.004

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

2
T1082

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Inhibit System Recovery

4
T1490

Resource Development

Reconnaissance

Tasks