General

  • Target

    e5e83d8209a8e06089d70e65901b7481_JaffaCakes118

  • Size

    328KB

  • Sample

    241212-ma925asrbr

  • MD5

    e5e83d8209a8e06089d70e65901b7481

  • SHA1

    dba4cc12a51f6ab845673de37756d2b3f31825e6

  • SHA256

    e37b974823a5def88d1b8857cbe4262ed60d59a7ef7b6854e407d6a2dc8cdc68

  • SHA512

    63b61ab3d5d26aaa318ae36a29dfc2107deedd6b340c54abbeec40b9598a5d6ea1743bdd6c320dddcbafcea5820b2620e4b0b9bfc4d5a45a8808c09b148503b2

  • SSDEEP

    6144:EEKwa30luX+sChrlTxO9M4wt8lfJBXfvUmaeyfXMx3/mQ6YroqS8j6M54IaHSJ7+:jK8luX+ssxTI9WkxxvPWUpeG/+bIn70

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+odvvg.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/F01DCB3BD152645D 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/F01DCB3BD152645D 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/F01DCB3BD152645D 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/F01DCB3BD152645D 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/F01DCB3BD152645D http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/F01DCB3BD152645D http://yyre45dbvn2nhbefbmh.begumvelic.at/F01DCB3BD152645D Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/F01DCB3BD152645D
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/F01DCB3BD152645D

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/F01DCB3BD152645D

http://yyre45dbvn2nhbefbmh.begumvelic.at/F01DCB3BD152645D

http://xlowfznrg4wf7dli.ONION/F01DCB3BD152645D

Extracted

Path

C:\Program Files\7-Zip\Lang\_ReCoVeRy_+gviuw.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/22133AB2B1D93D 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/22133AB2B1D93D 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/22133AB2B1D93D 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/22133AB2B1D93D 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/22133AB2B1D93D http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/22133AB2B1D93D http://yyre45dbvn2nhbefbmh.begumvelic.at/22133AB2B1D93D Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/22133AB2B1D93D
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/22133AB2B1D93D

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/22133AB2B1D93D

http://yyre45dbvn2nhbefbmh.begumvelic.at/22133AB2B1D93D

http://xlowfznrg4wf7dli.ONION/22133AB2B1D93D

Targets

    • Target

      e5e83d8209a8e06089d70e65901b7481_JaffaCakes118

    • Size

      328KB

    • MD5

      e5e83d8209a8e06089d70e65901b7481

    • SHA1

      dba4cc12a51f6ab845673de37756d2b3f31825e6

    • SHA256

      e37b974823a5def88d1b8857cbe4262ed60d59a7ef7b6854e407d6a2dc8cdc68

    • SHA512

      63b61ab3d5d26aaa318ae36a29dfc2107deedd6b340c54abbeec40b9598a5d6ea1743bdd6c320dddcbafcea5820b2620e4b0b9bfc4d5a45a8808c09b148503b2

    • SSDEEP

      6144:EEKwa30luX+sChrlTxO9M4wt8lfJBXfvUmaeyfXMx3/mQ6YroqS8j6M54IaHSJ7+:jK8luX+ssxTI9WkxxvPWUpeG/+bIn70

    • TeslaCrypt, AlphaCrypt

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

    • Teslacrypt family

    • 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.

MITRE ATT&CK Enterprise v15

Tasks