phobos

General

Target
5e9902d0d003db7905864ca8a1cf4616d144f56c066156ff700a86d9fa77a09f.exe
Size 56KB
Sample240523-byvrkaha36
SHA256 5e9902d0d003db7905864ca8a1cf4616d144f56c066156ff700a86d9fa77a09f
MD5 ceb805e2e76cdedfc302a90689d29036
SHA1 a0fa891e036e932a7294042166564d56ec4310e4
SHA512 2abffe6481017829e5a8702a1555eb8385dfc637fa97f8eda4473afb7bda29ea9f598fbe02db079cf1f97509991f8d467d667915c55f7617cabc1827833e4885
SSDEEP 1536:+NeRBl5PT/rx1mzwRMSTdLpJluznEFHWa0IQ:+QRrmzwR5JszEFHoIQ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

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>ATTENTION!</div> <div>ALL YOUR DATA ARE PROTECTED WITH RSA ALGORITHM</div> </div> <div class='bold'>Your security system was vulnerable, so all of your files are encrypted.</div> <div class='bold'>If you want to restore them, contact us by email: <span class='mark'>[email protected]</span></div> <div class='bold'>in the header of the letter indicate your encrypted ID <span class='mark'>8FDF99D0-2930</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/Resp0nse'>@Resp0nse</a></span></div> <div class='note alert'> <div class='title'>BE CAREFUL AND DO NOT DAMAGE YOUR DATA:</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>Do not trust anyone! Only we have keys to your files! Without this keys restore your data is impossible</li> </ul> </div> <div class='note info'> <div class='title'>WE GUARANTEE A FREE DECODE AS A PROOF OF OUR POSSIBILITIES:</div> <ul>You can send us 2 files for free decryption. Size of file must be less than 1 Mb (non archived). We don`t decrypt for test DATABASE, XLS and other important files.</ul> </div> <div class='note info'> <div class='title'>DO NOT ATTEMPT TO DECODE YOUR DATA YOURSELF, YOU ONLY DAMAGE THEM AND THEN YOU LOSE THEM FOREVER.</div> <div class='title'>AFTER DECRYPTION YOUR SYSTEM WILL RETURN TO A FULLY NORMALLY AND OPERATIONAL CONDITION!</div> </div> </body> </html>

Emails

class='mark'>[email protected]</span></div>

URLs

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

Targets

- Target
  5e9902d0d003db7905864ca8a1cf4616d144f56c066156ff700a86d9fa77a09f.exe
- Size 56KB
- SHA256 5e9902d0d003db7905864ca8a1cf4616d144f56c066156ff700a86d9fa77a09f
- MD5 ceb805e2e76cdedfc302a90689d29036
- SHA1 a0fa891e036e932a7294042166564d56ec4310e4
- SHA512 2abffe6481017829e5a8702a1555eb8385dfc637fa97f8eda4473afb7bda29ea9f598fbe02db079cf1f97509991f8d467d667915c55f7617cabc1827833e4885
- SSDEEP 1536:+NeRBl5PT/rx1mzwRMSTdLpJluznEFHWa0IQ:+QRrmzwR5JszEFHoIQ
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

phobos defense_evasion evasion execution impact persistence ransomware spyware stealer
- Phobos
  Phobos ransomware appeared at the beginning of 2019.
  ransomware phobos
- Deletes shadow copies
  Ransomware often targets backup files to inhibit system recovery.
  ransomware defense_evasion impact execution
- Modifies boot configuration data using bcdedit
  ransomware evasion
- Renames multiple (315) 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.
  spyware stealer
- Adds Run key to start application
  persistence
- Drops desktop.ini file(s)
behavioral1 behavioral2