General

  • Target

    d96103542ad88b7dd63633e1402d004d_JaffaCakes118

  • Size

    368KB

  • Sample

    241209-njgmlswkdw

  • MD5

    d96103542ad88b7dd63633e1402d004d

  • SHA1

    f139d0cdf959da734adb8218bb9ab1070589f0ba

  • SHA256

    73da1b9b157a7d2ae3a21c90a114ca7251c32545511a38a3e92b777e59009c45

  • SHA512

    c39095411c803ffe51d7adc67b5ac31897fad8914c3c09ea53fee4c3123ac3655dec98af425db093405b079a81aa97e2e5f6a2dc8061a5c812347d2a476753bb

  • SSDEEP

    6144:oL9rKjvNvkH1sGf7L4JZ9oL+5b/OcGBJL8dxjHtgWECmCTPqsUPpII:5jo1sWUCL+5b/DGHL8bjHtgWL1TPqsiC

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+pvebs.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/2E65B6F81B88A8D 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/2E65B6F81B88A8D 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/2E65B6F81B88A8D 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/2E65B6F81B88A8D 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/2E65B6F81B88A8D http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/2E65B6F81B88A8D http://yyre45dbvn2nhbefbmh.begumvelic.at/2E65B6F81B88A8D Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/2E65B6F81B88A8D
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/2E65B6F81B88A8D

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/2E65B6F81B88A8D

http://yyre45dbvn2nhbefbmh.begumvelic.at/2E65B6F81B88A8D

http://xlowfznrg4wf7dli.ONION/2E65B6F81B88A8D

Extracted

Path

C:\Program Files\7-Zip\Lang\_ReCoVeRy_+pskth.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/E7EF1E76865BF565 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/E7EF1E76865BF565 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/E7EF1E76865BF565 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/E7EF1E76865BF565 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/E7EF1E76865BF565 http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/E7EF1E76865BF565 http://yyre45dbvn2nhbefbmh.begumvelic.at/E7EF1E76865BF565 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/E7EF1E76865BF565
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/E7EF1E76865BF565

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/E7EF1E76865BF565

http://yyre45dbvn2nhbefbmh.begumvelic.at/E7EF1E76865BF565

http://xlowfznrg4wf7dli.ONION/E7EF1E76865BF565

Targets

    • Target

      d96103542ad88b7dd63633e1402d004d_JaffaCakes118

    • Size

      368KB

    • MD5

      d96103542ad88b7dd63633e1402d004d

    • SHA1

      f139d0cdf959da734adb8218bb9ab1070589f0ba

    • SHA256

      73da1b9b157a7d2ae3a21c90a114ca7251c32545511a38a3e92b777e59009c45

    • SHA512

      c39095411c803ffe51d7adc67b5ac31897fad8914c3c09ea53fee4c3123ac3655dec98af425db093405b079a81aa97e2e5f6a2dc8061a5c812347d2a476753bb

    • SSDEEP

      6144:oL9rKjvNvkH1sGf7L4JZ9oL+5b/OcGBJL8dxjHtgWECmCTPqsUPpII:5jo1sWUCL+5b/DGHL8bjHtgWL1TPqsiC

    • 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 (424) 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