General

  • Target

    VirusShare_627ec4f42d9649bc8309d87f03d1c288

  • Size

    368KB

  • Sample

    240610-nrmtlahh63

  • MD5

    627ec4f42d9649bc8309d87f03d1c288

  • SHA1

    6cd845e8de2c2197cbab48f94eea823f88b0efd9

  • SHA256

    3503e011b2844b6eb3f18b3a7c0965ff07171ac6af2488fcf03c0e69d95cd066

  • SHA512

    62899ac229fbfff6cd6ace9610b6d6dc027cc32ffe5b7b2c08fb3445815e134caec32047e0a5129118675f22b32aed516fc877b33c90da98261eb44f119a74bd

  • SSDEEP

    6144:e680E92oeOE4G63VEuFwm+DDrhd3wbYqaUq/JyKSmi97Msg4piwbBS9lkw86C:e68PIHt6DObD5dmYqarImi9jB4SBylkN

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+ifefx.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/1BA8A65DD2793E7 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/1BA8A65DD2793E7 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/1BA8A65DD2793E7 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/1BA8A65DD2793E7 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/1BA8A65DD2793E7 http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/1BA8A65DD2793E7 http://yyre45dbvn2nhbefbmh.begumvelic.at/1BA8A65DD2793E7 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/1BA8A65DD2793E7
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/1BA8A65DD2793E7

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/1BA8A65DD2793E7

http://yyre45dbvn2nhbefbmh.begumvelic.at/1BA8A65DD2793E7

http://xlowfznrg4wf7dli.ONION/1BA8A65DD2793E7

Extracted

Path

C:\Program Files\7-Zip\Lang\_ReCoVeRy_+rrrku.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/727A811BF4B2B4DA 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/727A811BF4B2B4DA 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/727A811BF4B2B4DA 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/727A811BF4B2B4DA 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/727A811BF4B2B4DA http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/727A811BF4B2B4DA http://yyre45dbvn2nhbefbmh.begumvelic.at/727A811BF4B2B4DA Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/727A811BF4B2B4DA
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/727A811BF4B2B4DA

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/727A811BF4B2B4DA

http://yyre45dbvn2nhbefbmh.begumvelic.at/727A811BF4B2B4DA

http://xlowfznrg4wf7dli.ONION/727A811BF4B2B4DA

Targets

    • Target

      VirusShare_627ec4f42d9649bc8309d87f03d1c288

    • Size

      368KB

    • MD5

      627ec4f42d9649bc8309d87f03d1c288

    • SHA1

      6cd845e8de2c2197cbab48f94eea823f88b0efd9

    • SHA256

      3503e011b2844b6eb3f18b3a7c0965ff07171ac6af2488fcf03c0e69d95cd066

    • SHA512

      62899ac229fbfff6cd6ace9610b6d6dc027cc32ffe5b7b2c08fb3445815e134caec32047e0a5129118675f22b32aed516fc877b33c90da98261eb44f119a74bd

    • SSDEEP

      6144:e680E92oeOE4G63VEuFwm+DDrhd3wbYqaUq/JyKSmi97Msg4piwbBS9lkw86C:e68PIHt6DObD5dmYqarImi9jB4SBylkN

    • 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 (425) 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks