neshta

General

Target
17b368698ffc4be537f89bd9369f6f59.bin
Size 63KB
Sample240706-bg32ls1dnn
SHA256 bc2d9e8fed9f7a2daa82fff0429e67b40a50a43f3f1014240ddf4930b7e8c174
MD5 9cfc47f2c14f7024d74cb09ec44e5796
SHA1 0f9a9147d8b90d5ead7483594f50b5583df969d9
SHA512 5d93da9250592020bc55c26c67960340cabbacb9174881fc15e353113b8346bf5d7d03f77ab9d48ba70f123b5072b40b8e8b8a7fb1f5e46f871af03c57e8a444
SSDEEP 1536:FFE881aPmpWCKOSLNxfdmR4Ykqr3K3Ss2ehzYGvKwvWa:FFG1aup0OSRm2YFraCs2euGiGWa
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>All your files have been encrypted!</div> </div> <div class='bold'>All your files have been encrypted due to a security issue with your computer. If you want to restore them, write to us by email <span class='mark'>[email protected]</span></div> <div class='bold'>If you have not received a response within 24 hours, write to us at Jabber: [email protected]</div> <div class='bold'>Write this ID in the title of your message <span class='mark'>FC68F4FF-3327</span></div> <div> You will have to pay for decryption in bitcoins. The price depends on how quickly you write to us. After payment, we will send you a tool that will decrypt all your files. </div> <div class='note info'> <div class='title'>Free decryption as guarantee</div> <ul>We can decrypt 1 small, not important file as proof of decryption. 1 megabyte of an unarchived file. We never decrypt important files for testing, such as XLS, databases and other important files. </ul> </div> <div class='note info'> <div class='title'>How to obtain Bitcoins</div> <ul> Write to us and we will instruct you how to buy Bitcoin <br> Attention! If you ask for help from third parties, know that they raise the price (they add their own price from ours). Contact us for help and we will help you buy Bitcoin, it's not difficult. Our experts will fully tell you how to buy bitcoin. </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, this may lead to irreversible data loss.</li> <li>No one else will be able to return your files except us!</li> </ul> </div> </body> </html>

Emails

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

URLs

http://www.w3.org/TR/html4/strict.dtd'>
https://pidgin.im/download/windows/</li>

Targets

- Target
  新建文件夹/fast.exe
- Size 56KB
- SHA256 0d990218e7ca3beff50d56a7cd3c6325c32e98413554e1b5614f101923706032
- MD5 9ad577d23f402be16acb2bdd9619aaf2
- SHA1 054e7451b8394d33bd59201653801fe1313a4841
- SHA512 b1be8815efdf59bc5fc2d0602cc01ce123edaea5b803c1733a33fdaf95b1172bb39f8cb762eb07c6d943b3e12789a053feb9c14a50ec8eb82fa491a55a7658ce
- SSDEEP 1536:CNeRBl5PT/rx1mzwRMSTdLpJCMBrzQM5+N:CQRrmzwR5JVUN
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

phobos defense_evasion evasion execution impact persistence privilege_escalation 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 (276) 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
- Target
  新建文件夹/svchost.com
- Size 40KB
- SHA256 40df0e0008b6342068604c7c159a1b4f81b149e4ddb674ceafe49c71b066c330
- MD5 13058802fd08204a986fefda371c984e
- SHA1 18ca69efc8c46fbcb8a8905ab5ddcb1c57db6bd1
- SHA512 9ad85c30155fceb6a9f6455e03d5bfeced9e3bc366f2bfba537c393e81dd664ee58cb5a480531da510cf620aea9514ccb6bcc232f6e551c3b9d1491d00672fb2
- SSDEEP 768:eyxqjQl/EMQt4Oei7RwsHxyP7nbxzOQdJFbxYuXlBg:JxqjQ+P04wsmJCcbxZXL
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

neshta persistence spyware stealer
- Detect Neshta payload
- Neshta
  Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
  persistence spyware neshta
- Modifies system executable filetype association
  persistence
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
behavioral3 behavioral4