Resubmissions

05-07-2021 15:52

210705-ly6krsr2vn 10

05-07-2021 10:06

210705-5sqy7t1av6 10

05-07-2021 07:17

210705-yaxd4f4556 10

General

  • Target

    revil.exe

  • Size

    890KB

  • Sample

    210705-5sqy7t1av6

  • MD5

    561cffbaba71a6e8cc1cdceda990ead4

  • SHA1

    5162f14d75e96edb914d1756349d6e11583db0b0

  • SHA256

    d55f983c994caa160ec63a59f6b4250fe67fb3e8c43a388aec60a4a6978e9f1e

  • SHA512

    09149b9825db2c9e6d2ec6665abc64b0b7aaafaa47c921c5bf0062cd7bedd1fc64cf54646a098f45fc4b930f5fbecee586fe839950c9135f64ea722b00baa50e

Score
10/10

Malware Config

Extracted

Path

C:\83jn3yv8wu-readme.txt

Ransom Note
---=== Welcome. Again. ===--- [-] Whats HapPen? [-] Your files are encrypted, and currently unavailable. You can check it: all files on your system has extension 83jn3yv8wu. By the way, everything is possible to recover (restore), but you need to follow our instructions. Otherwise, you cant return your data (NEVER). [+] What guarantees? [+] Its just a business. We absolutely do not care about you and your deals, except getting benefits. If we do not do our work and liabilities - nobody will not cooperate with us. Its not in our interests. To check the ability of returning files, You should go to our website. There you can decrypt one file for free. That is our guarantee. If you will not cooperate with our service - for us, its does not matter. But you will lose your time and data, cause just we have the private key. In practice - time is much more valuable than money. [+] How to get access on website? [+] You have two ways: 1) [Recommended] Using a TOR browser! a) Download and install TOR browser from this site: https://torproject.org/ b) Open our website: http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/BF0A2E8384878F11 2) If TOR blocked in your country, try to use VPN! But you can use our secondary website. For this: a) Open your any browser (Chrome, Firefox, Opera, IE, Edge) b) Open our secondary website: http://decoder.re/BF0A2E8384878F11 Warning: secondary website can be blocked, thats why first variant much better and more available. When you open our website, put the following data in the input form: Key: T2cDo+J9kaMtlDH8cdxnKW1LqGAN2Ujv1++DrqMCSjJ8ZZyv9A51/WfjQHwlMkfx YSg/fmEAq2L/iYsKhUfQjtdbv5cw0lLz9Aj4OP5Scs4iHluKgFSuJw4tEwb9sAMB 3ZsiUiqqZ2bNTl4CrV/KUAet/dX/XCHP3yLCpyfKdYKJYAa8u4HL0I9By+tnndJv FDXnqUy/3DCb68/TaqXFXXnEEiP+sCcTumAKeBif757no5T1MReRaKLCIBMk4KEQ H6ZYZomo3uzSCXFpV54YoP5+JQZNsg0yiLQjBwjyarQ3jaGSU1rkYx35EyF32iTV z8rLds9UzrtRShv24g1YNOklDXtOol8oxvpQnDKhJbHSBXQuRplwKh/uGDJGY/+F 4aNbtCnt8OSNVsPTsjuL0VSGwuUCWgfDecFRoIhrr3LtW8XTzhWauD1I+qiEH2zy tQUUGQHKUXceky1gxhNxsFhfBRlG4fx91peYIh74CCZXgw40YcPAXp9TlG3M77hy ShCBRlmtOyMjbpkWk59ui/T7m8P/nmhOzAJKh5bo8ecMQF2JFA2Xku7/9I6hu05T Y2hoMswq14yMKGwHsfe4xxVX+pjIjh98O0rb9vtjKKP2n0urS5UCms5ggtQYUPHU BdwJZPcojnLH5oOPIMW790Qmy4Y6V+LA5C7BbGOpHWRWDidYMP6tfZ08s9V8ZHAE lkXH56P1E8aQc2dHfxfZ7dKE8VtwTIKvHTObVOz5Re4kSc4B6d0xoX/8WoOvfzqj u2DZZOd/MS65bHO8AqwXXBat7lCI91alvvqwjvbRO4rK6AWjxOAcjitzwYnjxIEh Mz7YeVW0hBxn5q1QRIXslk9VK9/RyV+vmEeJ63RydCB6oijzpQWobEfPVb6SXhfh nPiSsf8HnD7/MADHzm+r2B2cWT+KYyVpW69ueuikYs7ZsepD3aBn+3zSLgkkr2nv QGGn2PIvKHxDluhoEEq9Mjh+HSCAkC6/FENyZHkFiLEd70IFkMObjLxp3iUEzrX4 DG0GyS4MQWe5a3EikpbHPj9tD3l/RXW5MAOK2M9+peE9zqsRZ09QTAhHG0H4rEK2 +f+igu645F24D9wtt0HHRlPCxqwmLmvO4w8KNX16BcUyT3rehNsAlmYs/vCW9KTZ kRykeYifo8mbtwrt6Qn3N9moIirOIz8UPohj7n3JuQeSvPFFHRJSbXZGzmsTxIsz Fa8cDMYm1Af444fujPmbWuWsv1l/lTSVtYnel4ZNEpGDIPO8Ao6TQVpZXmXqDVgo 4vEMuZR8BKVEe9qi0A8= ----------------------------------------------------------------------------------------- !!! DANGER !!! DON'T try to change files by yourself, DON'T use any third party software for restoring your data or antivirus solutions - its may entail damage of the private key and, as result, The Loss all data. !!! !!! !!! ONE MORE TIME: Its in your interests to get your files back. From our side, we (the best specialists) make everything for restoring, but please should not interfere. !!! !!! !!!
URLs

http://aplebzu47wgazapdqks6vrcv6zcnjppkbxbr6wketf56nf6aq2nmyoyd.onion/BF0A2E8384878F11

http://decoder.re/BF0A2E8384878F11

Targets

    • Target

      revil.exe

    • Size

      890KB

    • MD5

      561cffbaba71a6e8cc1cdceda990ead4

    • SHA1

      5162f14d75e96edb914d1756349d6e11583db0b0

    • SHA256

      d55f983c994caa160ec63a59f6b4250fe67fb3e8c43a388aec60a4a6978e9f1e

    • SHA512

      09149b9825db2c9e6d2ec6665abc64b0b7aaafaa47c921c5bf0062cd7bedd1fc64cf54646a098f45fc4b930f5fbecee586fe839950c9135f64ea722b00baa50e

    Score
    10/10
    • Executes dropped EXE

    • Modifies Windows Firewall

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Enumerates connected drives

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

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v6

Tasks