General

  • Target

    6f21a85894e91b7082407e08e7c231c8

  • Size

    1.2MB

  • Sample

    240122-jrxlkscad6

  • MD5

    6f21a85894e91b7082407e08e7c231c8

  • SHA1

    f576ed4ae101088abcb2b6b9b0649b972b023546

  • SHA256

    f5fb7fa5231c18f0951c755c4cb0ec07b0889b5e320f42213cbf6bbbe499ad31

  • SHA512

    deada7181f11badc0d64d1cab50951eab6472c178382b2ceff52a8aae447578a97f640e4a74b34889146df7c435a2a29f72f140e50f8345543ef422e4cd41a44

  • SSDEEP

    12288:QmHAIqyfF/5ebyz1dpPlRnMRTD410ALP68kG3Jz4S9FUmnyJtgoiOHmabd8ornX3:HHRFfauvpPXnMKqJtfiOHmUd8QTH

Malware Config

Extracted

Path

C:\Users\Admin\!!!HOW_TO_DECRYPT!!!.mht

Ransom Note
From: =?utf-8?B?0RFQctTF0YDQcNC60IXQvdC+IEludGVybmV0IED4cGxvseVyIDEz?= Subject: Date: San, 00 Jan 2000 00:00:00 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-MimeOLE: Produced By Microsoft MimeOLE =EF=BB=BF<!DOCTYPE HTML> <!DOCTYPE html PUBLIC "" "">=20 <HTML lang=3D"ru">=20 <HEAD>=20 <META = content=3D"IE = 3D11.0000" http-equiv=3D"X - UA - Compatible">=20 <META charset=3D"utf-8">=20 <TITLE>!!!HOW_TO_DECRYPT!!!</TITLE>=20 <LINK href=3D"style.css" rel=3D"stylesheet">=20 <META name=3D"GENERATOR" content=3D"MSHTML 11.00.10570.1001">=20 </HEAD>=20 <BODY>=20 <p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span class=3DSpellE><b>=20 <span lang=3DEN-US style=3D'font-size:20.0pt;font-family:"Times New Roman","serif";mso-bidi-font-family:Arial;color:#C9211E'>=20 All your valiable data has been encrypted!</span></b></span></p><BR><BR>=20 <p class=3DMsoNormal style=3D'text-align:justify;text-justify:inter-ideograph'>=20 <span class=3DSpellE><span lang=3DEN-US style=3D'font-size:13.0pt;font-family:"Times New Roman","serif";mso-bidi-font-family:Arial'>=20 Hello!<BR>Sorry, but we have inform you that your order has been blocked due to the issue of securities. Make sure your data is not blocked.=20 All your valuable files were encrypted with strong encryption algorithms AES-256 + RSA-2048 + CHACHA and renamed. You can read about these algorithms in Google.=20 Your unique encryption key is stored securely on our server and your data can be decrypted quickly and securely.<BR><BR>=20 We can prove that we can decrypt all of your data. Please just send us 3 small encrypted files which are randomly stored on your server.=20 We will decrypt these files and send them to you as a proof. Please note that files for free test decryption should not contain valuable information.<BR><BR>=20 As you know information is the most valuable resource in the world. That's why all of your confidential data was uploaded to our servers.=20 If you need proof, just write us and we will show you that we have your files. If you will not start a dialogue with us in 72 hours=20 we will be forced to publish your files in the Darknet. Your customers and partners will be informed about the data leak by email or phone.<BR><BR>=20 This way, your reputation will be ruined. If you will not react, we will be forced to sell the most important information such as databases=20 to interested parties to generate some profit.<BR><BR>Please understand that we are just doing our job. We don't want to harm your company.=20 Think of this incident as an opportunity to improve your security. We are opened for dialogue and ready to help you. We are professionals,=20 please don't try to fool us.<BR></span></span></p><BR><BR><p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><b>=20 <span lang=3DEN-US style=3D'font-size:14.0pt;font-family:"Times New Roman","serif";mso-bidi-font-family:Arial'>=20 If you want to resolve this situation,<BR>please write to ALL of these 2 email addresses:<BR>=20 cmd@jitjat.org<BR>dirhelp@keemail.me<BR>In subject line please write your ID: 15794341320832963837</span></b></p><BR><BR>=20 <p class=3DMsoNormal style=3D'text-align:justify;text-justify:inter-ideograph'><b>=20 <span lang=3DEN-US style=3D'font-family:"Times New Roman","serif";mso-bidi-font-family: Arial;color:#C9211E'>=20 Important!<BR>=20 * We asking to send your message to ALL of our 2 email adresses because for various reasons, your email may not be delivered.<BR>=20 * Our message may be recognized as spam, so be sure to check the spam folder.<BR>=20 * If we do not respond to you within 24 hours, write to us from another email address. Use Gmail, Yahoo, Hotmail, or any other well-known email service.<BR>=20 Important<BR>=20 * Please don't waste the time, it will result only additinal damage to your company!<BR>=20 * Please do not try to decrypt the files yourself. We will not be able to help you if files will be modified.<BR>=20 </span></b></p>=20 <BR>=20 </BODY><BR>=20 </HTML>
Emails

cmd@jitjat.org<BR>dirhelp@keemail.me<BR>In

URLs

http-equiv=3D"X

Extracted

Path

\Device\HarddiskVolume1\Boot\cs-CZ\!!!HOW_TO_DECRYPT!!!.mht

Ransom Note
From: =?utf-8?B?0RFQctTF0YDQcNC60IXQvdC+IEludGVybmV0IED4cGxvseVyIDEz?= Subject: Date: San, 00 Jan 2000 00:00:00 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-MimeOLE: Produced By Microsoft MimeOLE =EF=BB=BF<!DOCTYPE HTML> <!DOCTYPE html PUBLIC "" "">=20 <HTML lang=3D"ru">=20 <HEAD>=20 <META = content=3D"IE = 3D11.0000" http-equiv=3D"X - UA - Compatible">=20 <META charset=3D"utf-8">=20 <TITLE>!!!HOW_TO_DECRYPT!!!</TITLE>=20 <LINK href=3D"style.css" rel=3D"stylesheet">=20 <META name=3D"GENERATOR" content=3D"MSHTML 11.00.10570.1001">=20 </HEAD>=20 <BODY>=20 <p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span class=3DSpellE><b>=20 <span lang=3DEN-US style=3D'font-size:20.0pt;font-family:"Times New Roman","serif";mso-bidi-font-family:Arial;color:#C9211E'>=20 All your valiable data has been encrypted!</span></b></span></p><BR><BR>=20 <p class=3DMsoNormal style=3D'text-align:justify;text-justify:inter-ideograph'>=20 <span class=3DSpellE><span lang=3DEN-US style=3D'font-size:13.0pt;font-family:"Times New Roman","serif";mso-bidi-font-family:Arial'>=20 Hello!<BR>Sorry, but we have inform you that your order has been blocked due to the issue of securities. Make sure your data is not blocked.=20 All your valuable files were encrypted with strong encryption algorithms AES-256 + RSA-2048 + CHACHA and renamed. You can read about these algorithms in Google.=20 Your unique encryption key is stored securely on our server and your data can be decrypted quickly and securely.<BR><BR>=20 We can prove that we can decrypt all of your data. Please just send us 3 small encrypted files which are randomly stored on your server.=20 We will decrypt these files and send them to you as a proof. Please note that files for free test decryption should not contain valuable information.<BR><BR>=20 As you know information is the most valuable resource in the world. That's why all of your confidential data was uploaded to our servers.=20 If you need proof, just write us and we will show you that we have your files. If you will not start a dialogue with us in 72 hours=20 we will be forced to publish your files in the Darknet. Your customers and partners will be informed about the data leak by email or phone.<BR><BR>=20 This way, your reputation will be ruined. If you will not react, we will be forced to sell the most important information such as databases=20 to interested parties to generate some profit.<BR><BR>Please understand that we are just doing our job. We don't want to harm your company.=20 Think of this incident as an opportunity to improve your security. We are opened for dialogue and ready to help you. We are professionals,=20 please don't try to fool us.<BR></span></span></p><BR><BR><p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><b>=20 <span lang=3DEN-US style=3D'font-size:14.0pt;font-family:"Times New Roman","serif";mso-bidi-font-family:Arial'>=20 If you want to resolve this situation,<BR>please write to ALL of these 2 email addresses:<BR>=20 cmd@jitjat.org<BR>dirhelp@keemail.me<BR>In subject line please write your ID: 4318695357558267501</span></b></p><BR><BR>=20 <p class=3DMsoNormal style=3D'text-align:justify;text-justify:inter-ideograph'><b>=20 <span lang=3DEN-US style=3D'font-family:"Times New Roman","serif";mso-bidi-font-family: Arial;color:#C9211E'>=20 Important!<BR>=20 * We asking to send your message to ALL of our 2 email adresses because for various reasons, your email may not be delivered.<BR>=20 * Our message may be recognized as spam, so be sure to check the spam folder.<BR>=20 * If we do not respond to you within 24 hours, write to us from another email address. Use Gmail, Yahoo, Hotmail, or any other well-known email service.<BR>=20 Important<BR>=20 * Please don't waste the time, it will result only additinal damage to your company!<BR>=20 * Please do not try to decrypt the files yourself. We will not be able to help you if files will be modified.<BR>=20 </span></b></p>=20 <BR>=20 </BODY><BR>=20 </HTML>
Emails

cmd@jitjat.org<BR>dirhelp@keemail.me<BR>In

URLs

http-equiv=3D"X

Targets

    • Target

      6f21a85894e91b7082407e08e7c231c8

    • Size

      1.2MB

    • MD5

      6f21a85894e91b7082407e08e7c231c8

    • SHA1

      f576ed4ae101088abcb2b6b9b0649b972b023546

    • SHA256

      f5fb7fa5231c18f0951c755c4cb0ec07b0889b5e320f42213cbf6bbbe499ad31

    • SHA512

      deada7181f11badc0d64d1cab50951eab6472c178382b2ceff52a8aae447578a97f640e4a74b34889146df7c435a2a29f72f140e50f8345543ef422e4cd41a44

    • SSDEEP

      12288:QmHAIqyfF/5ebyz1dpPlRnMRTD410ALP68kG3Jz4S9FUmnyJtgoiOHmabd8ornX3:HHRFfauvpPXnMKqJtfiOHmUd8QTH

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Renames multiple (921) files with added filename extension

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

    • Deletes System State backups

      Uses wbadmin.exe to inhibit system recovery.

    • Drops file in Drivers directory

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks

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