Resubmissions

04-12-2024 19:36

241204-ybjr4stjdn 10

04-12-2024 19:28

241204-x6ma2ssqcl 10

General

  • Target

    c40b893661bbb99187869568375d63ef_JaffaCakes118

  • Size

    424KB

  • Sample

    241204-ybjr4stjdn

  • MD5

    c40b893661bbb99187869568375d63ef

  • SHA1

    ca533304be2c72b5876d756634b2b3207793260d

  • SHA256

    7097913d473590c8fc507d8b8b6eaee8cd9db77888ebb14fc193eafeac039d7a

  • SHA512

    bea6153b2a3411a4d2de5da6616dfcbc9a233c1297e0d7b0a7c1c443aa03f04739c9e563027723e16cec8be14f89738167073e17c34b93a4c3baeef368c97333

  • SSDEEP

    6144:MsPAYJDo2magV+8GUEmGM41DwAHQmjdN1AUL0yogLpWPoXbftChXW3AxfulDGgB:Hp808fEmLqDwAJjpA+E+blCJxfS6

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_RECoVERY_+cbmch.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 AES More information about the encryption keys using AES can be found here: http://en.wikipedia.org/wiki/AES How did this happen ? !!! Specially for your PC was generated personal AES 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://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/A399DC35096C24D 2. http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/A399DC35096C24D 3. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/A399DC35096C24D 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/A399DC35096C24D 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/A399DC35096C24D http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/A399DC35096C24D http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/A399DC35096C24D *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/A399DC35096C24D
URLs

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/A399DC35096C24D

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/A399DC35096C24D

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/A399DC35096C24D

http://xlowfznrg4wf7dli.ONION/A399DC35096C24D

Extracted

Path

C:\Program Files\7-Zip\Lang\_RECoVERY_+mhuqn.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 AES More information about the encryption keys using AES can be found here: http://en.wikipedia.org/wiki/AES How did this happen ? !!! Specially for your PC was generated personal AES 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://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/5D71537E38FC884 2. http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/5D71537E38FC884 3. http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/5D71537E38FC884 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/5D71537E38FC884 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/5D71537E38FC884 http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/5D71537E38FC884 http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/5D71537E38FC884 *-*-* Your personal page Tor-Browser: xlowfznrg4wf7dli.ONION/5D71537E38FC884
URLs

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/5D71537E38FC884

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/5D71537E38FC884

http://uiredn4njfsa4234bafb32ygjdawfvs.frascuft.com/5D71537E38FC884

http://xlowfznrg4wf7dli.ONION/5D71537E38FC884

Targets

    • Target

      c40b893661bbb99187869568375d63ef_JaffaCakes118

    • Size

      424KB

    • MD5

      c40b893661bbb99187869568375d63ef

    • SHA1

      ca533304be2c72b5876d756634b2b3207793260d

    • SHA256

      7097913d473590c8fc507d8b8b6eaee8cd9db77888ebb14fc193eafeac039d7a

    • SHA512

      bea6153b2a3411a4d2de5da6616dfcbc9a233c1297e0d7b0a7c1c443aa03f04739c9e563027723e16cec8be14f89738167073e17c34b93a4c3baeef368c97333

    • SSDEEP

      6144:MsPAYJDo2magV+8GUEmGM41DwAHQmjdN1AUL0yogLpWPoXbftChXW3AxfulDGgB:Hp808fEmLqDwAJjpA+E+blCJxfS6

    • 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