General

  • Target

    Funny.zip

  • Size

    204B

  • Sample

    240921-sesxasyarc

  • MD5

    78ca6400451f230898581fa40330618c

  • SHA1

    e5d755d9d0475e87c1ec0c4a2d76282f5a365783

  • SHA256

    0dd33d2fed9c733e035579c375fb6f7c418af4e07933e18526208669471d918d

  • SHA512

    88e86944086fd9602bba8e3638344c3c822dc9518cf0c03370289764919f5dc2aa28f97c5fd9a1d1599563c44cc803298bd27e84faa82a0150c794e38f8da616

Malware Config

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>oIDUAVFa7ok3cvQS2zO9gJYQ5YFK9lVko/MzGvt0O0b7T8+jZIANXmhsTJs3Z+MVnfn8gBvYP2z7ZU/+RRImfDWBAjECB2N/MBmbQGZCSkxbTQGspOAyhT0Vk2RkwV6V+Y+ZAdkMGmfivVWdk2x13vhu3mjOchnB4Pnj0H1/mWu4JN97hn166rF6sbDU5qhXaOiFpinUwDXEAd0idLiw8YpwDh6Jd6troHpjlW7TU94EzYWDRT0gS0QpWRqDoaNWpwQLhUMuP26j8JsRgmzkDw48lNpJrFVEJDYm2PIm/EcM6jo1Lpo4R+qTSyYa6wqZoaqMZVLlfUMdz8yI95T/dA==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>BERerpRFvNzxfnUHAAjFav98tCyyukM2TqFniFAlcKwy7AaH2CWNIo1BPBYmve9RSibsj675iNaVdIHZ1Eyn72S14iH3BQXeAno60Em9jp8XVsA47frYmyV+/YH98xGu/2MTQ4zl8e20PFXtDjKQM4dG90YE7TFtdNKtNlHS3JYbX2ACmqoRdcFrW6ezJH4WyDANRK5ln/HhrO/nkdjgcMf2xk4xiBo3Jkx/EeQcq5E5f/O7/BIHfHMujWNftouFuIgvTpbPqxGB9ziqrdK20ZaDVn0ftmmTSRtv7IymMYpFA5noEJrvlai1+29oQFNqYpd8V1kBgR7CcBOf0dEQqw==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>ndemseJ+lOIrWJlh1CIE+Zuqg1DhHsblWMTDqKE4/s8yncs24qHfq7XJPJVCa7s0ZFC7ne4IUROBykKW8UMxTmTfjT/51aDOvWYjfzunyTfH9CvReYGG7D3Y1kPlW76S1AI6nNJJhysPS/X4Dt+jSYQX9+FcTsWZ9BYmtbJxwyiaDRdQctYZhGRqwDsce3kqVxdb/PL13s6HygrfGIf+j+qH4V1OkD74GDcun5UDodswlI33HMEVeB98KX4IlPscDFRjxPeGJJfMnJe007yJVKJhtZxPYBuLe6JbcAtqOicmdGehauh01XymCiuW9zSJzbfEpRdWSsjhI8cXZf39eg==ZW4tVVM=</p></td> </tr> </tbody> </table> </center></html></body>

Targets

    • Target

      Funny.zip

    • Size

      204B

    • MD5

      78ca6400451f230898581fa40330618c

    • SHA1

      e5d755d9d0475e87c1ec0c4a2d76282f5a365783

    • SHA256

      0dd33d2fed9c733e035579c375fb6f7c418af4e07933e18526208669471d918d

    • SHA512

      88e86944086fd9602bba8e3638344c3c822dc9518cf0c03370289764919f5dc2aa28f97c5fd9a1d1599563c44cc803298bd27e84faa82a0150c794e38f8da616

    • Fantom

      Ransomware which hides encryption process behind fake Windows Update screen.

    • Renames multiple (897) files with added filename extension

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

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks