General

  • Target

    cureit.exe

  • Size

    294.1MB

  • Sample

    240130-qlz8vagcc3

  • MD5

    6f54e39afdbd115f01952b3eaccd2d79

  • SHA1

    2f48c9ccb0b9489da158206e1a5bf450a1149cea

  • SHA256

    81a096d9fac8b397176c475d4123e2824d09a1fd92287bd23796db7f6a4d7f27

  • SHA512

    d868b8a7859b284297498432913f99a1f6b2af39797d21e8f29efbe669513d5575abfdcecf25d7a888d4c3c73b4843734e64ac9a32729375132a30233f490f98

  • SSDEEP

    6291456:D9gTykZyrx6zSEYNXX1EEZ6pUU18+pVvJXbGth0cppIzLKRWRn/jP1kVM3HPQLHW:DpkZe6zSEYRX3UTITpp6d7Ca3Hy69

Malware Config

Extracted

Path

C:\Program Files\7-Zip\Lang\DECRYPT_YOUR_FILES.HTML

Ransom Note
<html> <head> <style> body{ background-color: #3366CC; } h1 { background-color: RGB(249, 201, 16); } p { background-color: maroon; color: white; } </style> </head> <body> <center> <h1><b> Attention ! All your files </b> have been encrypted. </h1></br> <p> Due encrypting was used algoritm RSA-4096 and AES-256, used for protection military secrets.</br> That means > RESTORE YOU DATA POSIBLE ONLY BUYING decryption passwords from us.</br> Getting a decryption of your files is - SIMPLY task.</br></br> That all what you need:</br> 1. Sent Your ID_KEY on mailbox [email protected] or [email protected] </br> 2. For test, decrypt 2 small files, to be sure that we can decrypt you files.</br> 3. Pay our services. </br> 4. GET software with passwords for decrypt you files.</br> 5. Make measures to prevent this type situations again.</br></br> IMPORTANT(1)</br> Do not try restore files without our help, this is useless, and can destroy you data permanetly.</br></br> IMPORTANT(2) </br> We Cant hold you decryption passwords forever. </br>ALL DECRYPTION PASSWORDS, for what wasn`t we receive reward, will destroy after week of moment of encryption. </p> <p> Your ID_KEY: <br> </p> <table width="1024" border="0"> <tbody> <tr> <td><p>k6Nv5eg6ocDlvh7DoWqY0ekY/Ejp13pcFRYG1vFIQY9XzRDnIJpyoOLflDzIsg3QWNqJf6HKdP39BxmHIxwH05HaWRNT4YwMuqm5sBSRTfpNdkKfiU2kL7MDKDATcW9vfWk8TdBBSwmAwIKOUpUPdD79OxxLWFwMsUJyeOqh+PKKue7tQY9NR3zJdlqvPvJ1AysAxoBCj37UalK2Zv7JtFyzHgtW6cWdpTVji5CaCrhrtmeTZJbEW587HRPTsiXql6J/anZyiRfMxzPqoorMr5CGr2RmqaRSFgeVMZtm5uf5o7t98R0OOX0/bxN85Bhbye/10T742el5FjwRtr5OWg==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Extracted

Path

C:\Program Files\7-Zip\DECRYPT_YOUR_FILES.HTML

Ransom Note
<html> <head> <style> body{ background-color: #3366CC; } h1 { background-color: RGB(249, 201, 16); } p { background-color: maroon; color: white; } </style> </head> <body> <center> <h1><b> Attention ! All your files </b> have been encrypted. </h1></br> <p> Due encrypting was used algoritm RSA-4096 and AES-256, used for protection military secrets.</br> That means > RESTORE YOU DATA POSIBLE ONLY BUYING decryption passwords from us.</br> Getting a decryption of your files is - SIMPLY task.</br></br> That all what you need:</br> 1. Sent Your ID_KEY on mailbox [email protected] or [email protected] </br> 2. For test, decrypt 2 small files, to be sure that we can decrypt you files.</br> 3. Pay our services. </br> 4. GET software with passwords for decrypt you files.</br> 5. Make measures to prevent this type situations again.</br></br> IMPORTANT(1)</br> Do not try restore files without our help, this is useless, and can destroy you data permanetly.</br></br> IMPORTANT(2) </br> We Cant hold you decryption passwords forever. </br>ALL DECRYPTION PASSWORDS, for what wasn`t we receive reward, will destroy after week of moment of encryption. </p> <p> Your ID_KEY: <br> </p> <table width="1024" border="0"> <tbody> <tr> <td><p>pBxUpfkkTK+ef9vmtxfbe8/hKBS+nOxjYjNMO/QCg+oJWOTF+HI3adPMvp/6U1y2l6ivQgtMqbdYgMTBGWoGI2pA+9hrQMM+q7Acv5dBtUIFAUXbmAjLgvRC4QeJ4Se4OX3Mf/L6NX3zZmuiTjoJIwd48gKJnAOR3W8S8UTPR999643ufuCqULWWFoz9NfTQWc3M8uDUK7Sc+l6gT4qXirawL5tz/juF5cinwBl4PcLHGsK8ljFBSC7oLBIKtFfvMj1gGhku4Bo5EVP45VHxW3cepk3GhUo5Fn7B5B386Hw5TPePTEluNV+FuPTdi+4oYUDiS/bcnLGziwaT+LAClw==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Extracted

Path

C:\Program Files\7-Zip\Lang\DECRYPT_YOUR_FILES.HTML

Ransom Note
<html> <head> <style> body{ background-color: #3366CC; } h1 { background-color: RGB(249, 201, 16); } p { background-color: maroon; color: white; } </style> </head> <body> <center> <h1><b> Attention ! All your files </b> have been encrypted. </h1></br> <p> Due encrypting was used algoritm RSA-4096 and AES-256, used for protection military secrets.</br> That means > RESTORE YOU DATA POSIBLE ONLY BUYING decryption passwords from us.</br> Getting a decryption of your files is - SIMPLY task.</br></br> That all what you need:</br> 1. Sent Your ID_KEY on mailbox [email protected] or [email protected] </br> 2. For test, decrypt 2 small files, to be sure that we can decrypt you files.</br> 3. Pay our services. </br> 4. GET software with passwords for decrypt you files.</br> 5. Make measures to prevent this type situations again.</br></br> IMPORTANT(1)</br> Do not try restore files without our help, this is useless, and can destroy you data permanetly.</br></br> IMPORTANT(2) </br> We Cant hold you decryption passwords forever. </br>ALL DECRYPTION PASSWORDS, for what wasn`t we receive reward, will destroy after week of moment of encryption. </p> <p> Your ID_KEY: <br> </p> <table width="1024" border="0"> <tbody> <tr> <td><p>ThjfB+wloJEHYm2txv1y0P5ooBb/NzvS/veT5Kc/HPNFBkit0lpg+zz9Jfi8IaHAhfqN4q2eNE5TrAFOs1KPr2yzhImdM3YZLorMULlBSHX/ar4AV+CXWag4K84yEELjza2Ox5fbmLV1LaSvpuk9ZmKKsiHsyuYA/N7SQ1xKTynjPMBG4SNX5X67zsmhbOrYWuwjTQL/XQS9lnyeue6Sq/AMbsowLWB3v9Z8LlN+4q2QEQlUBaX7fmNBEW2X4P56RLP+K+JYLlvVtajHbZz7+GwdnDN/9p2AWdDVov3rWt/VAEV/moFpfL2cyrNbKF8++hA2w6j0uBLP9U44nfINCw==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Targets

    • Target

      cureit.exe

    • Size

      294.1MB

    • MD5

      6f54e39afdbd115f01952b3eaccd2d79

    • SHA1

      2f48c9ccb0b9489da158206e1a5bf450a1149cea

    • SHA256

      81a096d9fac8b397176c475d4123e2824d09a1fd92287bd23796db7f6a4d7f27

    • SHA512

      d868b8a7859b284297498432913f99a1f6b2af39797d21e8f29efbe669513d5575abfdcecf25d7a888d4c3c73b4843734e64ac9a32729375132a30233f490f98

    • SSDEEP

      6291456:D9gTykZyrx6zSEYNXX1EEZ6pUU18+pVvJXbGth0cppIzLKRWRn/jP1kVM3HPQLHW:DpkZe6zSEYRX3UTITpp6d7Ca3Hy69

    • Fantom

      Ransomware which hides encryption process behind fake Windows Update screen.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (4647) files with added filename extension

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

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Sets service image path in registry

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks for any installed AV software in registry

    • Drops Chrome extension

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v15

Tasks