General
- Target https://github.com/Da2dalus/The-MALWARE-Repo
- Sample260220-ab3cfsb18c
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://github.com/Da2dalus/The-MALWARE-Repo
Resource
win10v2004-20260130-en
Malware Config
Extracted
-
C:\Program Files\7-Zip\DECRYPT_YOUR_FILES.HTML
- <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>hzdxALlUgxk2Y/sGJjxs82X/glaBh3TPt+aq2VaEl862zRkBbzF98M7I7wydq2C6+Pjiv47aQ3QVoSEO1W4odjnKmt4uwYb+PXYIOVQLGPQGR4DNFkIuBsjPPbkhsZy2PluofE3apSvF0bTIdcxpb4Lkm8kwpjAT2TA6PyHOsWcNLVZnrwusNIkf6yBiJ1z7pDw9da5NRXI66f9rjSOUc7SJJoEz1ni6T3QK3pMf3zTth7DgaFS2aqn2hFk8Gz5bdx8KsmEhSn1ck0kIp76qAjjhFbtRwIboT5KdpRp90p5xSyDa+uiki4YgvecwFjUXL0FqeV9meT3SBSdgrmIbkg==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>
Extracted
-
C:\Program Files\7-Zip\DECRYPT_YOUR_FILES.HTML
- <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>K/aKrkyEHI9LCmBVgsAwJy4QKKw+dUw+CHSe0Eh1hDf7zl7rqwrhXC/2qi4/SHnQUci0xjv/fDywMGiab62I/ZFK3SolzE2tsXK+TWeTQN2JRgpaqZdhrWgSv20WnuMAs013lBVt0OZMLTK7YcNMtWGfouj/a7/VF7XfgkFjOsRavCE3BM2uKiC8Cm2CvMsAN62qg1yD5Y5D/+PQ2Yap6nRh0TgnEGfXk/pWRO7VcC83YG8RM6fILzBOzybUU5HYDLG7X7Tut6cx/RPPXBCL7jcWAT+o9B+TZaNndZTl/yHAiZSKXFZItc6kzmtVuRHOk17Frr1hzCAbwkKsNryFoA==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>
Extracted
-
C:\Program Files\7-Zip\DECRYPT_YOUR_FILES.HTML
- <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>NRNe/5Wx6F0gMplCnj1odfYfSHwfTK8+nQ1VFKf3aGzJWt0/1ey7U6FtPON1s9LHkjdDRA4i3yOO91P858lNFQenCGgcfvs5Iy+vxJUj83JymRV5YyBBmZMLcxcmiD+DECh0a9nwG+Eyb+gopROY1A6bEIynW4AEJMms9IMS2E6c8LwmHYFqVtfj7xxVNjGVozDqyKq/Vx3T/IAG3qF4WMf/p5oFN7ciy9/VoluJpJxbAIqn/rGJHbkUBBe7FVbVjaWYhJvebInZeqP9I4UWa7J92Npv9rZm5GIDjDkXnuAgX9XDGhjo+ly8KnIElPvQ+dLzvfJ/Hjfra2PQV1Y2jQ==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>
Targets
-
- Target https://github.com/Da2dalus/The-MALWARE-Repo
-
Dharma
Dharma is a ransomware that uses security software installation to hide malicious activities.
-
Dharma family
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Fantom family
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Troldesh family
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (792) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Disables Task Manager via registry modification
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Credentials from Password Stores: Windows Credential Manager
Suspicious access to Credentials History.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
-
Drops desktop.ini file(s)
-
Drops file in System32 directory
-
Sets desktop wallpaper using registry
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
2File Deletion
2Modify Registry
2Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1