General

  • Target

    1e096e7c6ffb32332933f693d00c6795_JaffaCakes118

  • Size

    356KB

  • Sample

    241007-1egs2avblk

  • MD5

    1e096e7c6ffb32332933f693d00c6795

  • SHA1

    28e7f909cbc28ca3af8af503111c5fc9f42502b7

  • SHA256

    963aafe897132f8bd0fb1ce4beca2c4c2c04d8699a9e2612106c762cccca6256

  • SHA512

    8c26ddc0f8a3da79646851fc39f57d44a654e3967dad708239f882ed273fd14522d771087b0ff0d688fbb15392145e176be519ada7fd94103a05b90aaab6141c

  • SSDEEP

    6144:C94ZeMgE+D+G+33DpgPgRArNZltP8aLK9cdfdCWJATnKH92tIrWuZ/kE7eVmhgst:C94ZeMgE+D+G+33DpgPqArrltP839Yfj

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+xgmxi.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/656A37BED169FD8 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/656A37BED169FD8 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/656A37BED169FD8 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/656A37BED169FD8 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/656A37BED169FD8 http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/656A37BED169FD8 http://yyre45dbvn2nhbefbmh.begumvelic.at/656A37BED169FD8 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/656A37BED169FD8
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/656A37BED169FD8

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/656A37BED169FD8

http://yyre45dbvn2nhbefbmh.begumvelic.at/656A37BED169FD8

http://xlowfznrg4wf7dli.ONION/656A37BED169FD8

Extracted

Path

C:\Program Files\7-Zip\Lang\_ReCoVeRy_+twvcj.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/31AA1B2BB87F998D 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/31AA1B2BB87F998D 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/31AA1B2BB87F998D 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/31AA1B2BB87F998D 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/31AA1B2BB87F998D http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/31AA1B2BB87F998D http://yyre45dbvn2nhbefbmh.begumvelic.at/31AA1B2BB87F998D Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/31AA1B2BB87F998D
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/31AA1B2BB87F998D

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/31AA1B2BB87F998D

http://yyre45dbvn2nhbefbmh.begumvelic.at/31AA1B2BB87F998D

http://xlowfznrg4wf7dli.ONION/31AA1B2BB87F998D

Targets

    • Target

      1e096e7c6ffb32332933f693d00c6795_JaffaCakes118

    • Size

      356KB

    • MD5

      1e096e7c6ffb32332933f693d00c6795

    • SHA1

      28e7f909cbc28ca3af8af503111c5fc9f42502b7

    • SHA256

      963aafe897132f8bd0fb1ce4beca2c4c2c04d8699a9e2612106c762cccca6256

    • SHA512

      8c26ddc0f8a3da79646851fc39f57d44a654e3967dad708239f882ed273fd14522d771087b0ff0d688fbb15392145e176be519ada7fd94103a05b90aaab6141c

    • SSDEEP

      6144:C94ZeMgE+D+G+33DpgPgRArNZltP8aLK9cdfdCWJATnKH92tIrWuZ/kE7eVmhgst:C94ZeMgE+D+G+33DpgPqArrltP839Yfj

    • 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 (417) 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

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks