General

  • Target

    VirusShare_1e1def42d14365acdde0fab027ab4f73

  • Size

    352KB

  • Sample

    240610-mtd4ssgg45

  • MD5

    1e1def42d14365acdde0fab027ab4f73

  • SHA1

    076c52faa6c76610fca15b8533e81bf8ba8133a8

  • SHA256

    92b375015b3867f10a9cd94b6474986bf24c70e2d40b3280ceeec2331265be23

  • SHA512

    c93298bc25a818114018cb51a3b0e4c3137b46633dabb6a17303f12473e58d64e19c39c14f307c0df9e0e4202171d2ab22eaef2bf3f7b35e5b9b7a114eb7d722

  • SSDEEP

    6144:5Meb/EDtpBx1aRXJub19pf3gOURaJmf+ubexB3wLaYZSzvF:5Tb/wtN1aRXJg1f3gO9Jm+u2BgeYkzv

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+ewbss.txt

Family

teslacrypt

Ransom Note
NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with RSA4096 More information about the encryption keys using RSA4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA4096 Key , both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. !!! Decrypting of your files is only possible with the help of the private key and decrypt program , which is on our Secret Server What do I do ? So, there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BITCOIN NOW! , and restore your data easy way. If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1 - http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/C47AA2329C2CAA4 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/C47AA2329C2CAA4 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/C47AA2329C2CAA4 If for some reasons the addresses are not available, follow these steps: 1 - Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2 - After a successful installation, run the browser 3 - Type in the address bar: xlowfznrg4wf7dli.onion/C47AA2329C2CAA4 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/C47AA2329C2CAA4 http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/C47AA2329C2CAA4 http://yyre45dbvn2nhbefbmh.begumvelic.at/C47AA2329C2CAA4 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/C47AA2329C2CAA4
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/C47AA2329C2CAA4

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/C47AA2329C2CAA4

http://yyre45dbvn2nhbefbmh.begumvelic.at/C47AA2329C2CAA4

http://xlowfznrg4wf7dli.ONION/C47AA2329C2CAA4

Extracted

Path

C:\Program Files\7-Zip\Lang\_ReCoVeRy_+cusro.txt

Family

teslacrypt

Ransom Note
NOT YOUR LANGUAGE? USE https://translate.google.com What happened to your files ? All of your files were protected by a strong encryption with RSA4096 More information about the encryption keys using RSA4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA4096 Key , both public and private. !!! ALL YOUR FILES were encrypted with the public key, which has been transferred to your computer via the Internet. !!! Decrypting of your files is only possible with the help of the private key and decrypt program , which is on our Secret Server What do I do ? So, there are two ways you can choose: wait for a miracle and get your price doubled, or start obtaining BITCOIN NOW! , and restore your data easy way. If You have really valuable data, you better not waste your time, because there is no other way to get your files, except make a payment. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1 - http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/4CE3714A1E7491C7 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/4CE3714A1E7491C7 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/4CE3714A1E7491C7 If for some reasons the addresses are not available, follow these steps: 1 - Download and install tor-browser: http://www.torproject.org/projects/torbrowser.html.en 2 - After a successful installation, run the browser 3 - Type in the address bar: xlowfznrg4wf7dli.onion/4CE3714A1E7491C7 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/4CE3714A1E7491C7 http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/4CE3714A1E7491C7 http://yyre45dbvn2nhbefbmh.begumvelic.at/4CE3714A1E7491C7 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/4CE3714A1E7491C7
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/4CE3714A1E7491C7

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/4CE3714A1E7491C7

http://yyre45dbvn2nhbefbmh.begumvelic.at/4CE3714A1E7491C7

http://xlowfznrg4wf7dli.ONION/4CE3714A1E7491C7

Targets

    • Target

      VirusShare_1e1def42d14365acdde0fab027ab4f73

    • Size

      352KB

    • MD5

      1e1def42d14365acdde0fab027ab4f73

    • SHA1

      076c52faa6c76610fca15b8533e81bf8ba8133a8

    • SHA256

      92b375015b3867f10a9cd94b6474986bf24c70e2d40b3280ceeec2331265be23

    • SHA512

      c93298bc25a818114018cb51a3b0e4c3137b46633dabb6a17303f12473e58d64e19c39c14f307c0df9e0e4202171d2ab22eaef2bf3f7b35e5b9b7a114eb7d722

    • SSDEEP

      6144:5Meb/EDtpBx1aRXJub19pf3gOURaJmf+ubexB3wLaYZSzvF:5Tb/wtN1aRXJg1f3gO9Jm+u2BgeYkzv

    • TeslaCrypt, AlphaCrypt

      Ransomware based on CryptoLocker. Shut down by the developers in 2016.

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (418) files with added filename extension

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

    • Checks computer location settings

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

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • 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

MITRE ATT&CK Enterprise v15

Tasks