General

  • Target

    05a30994821845197be5d1ebb616dbbb_JaffaCakes118

  • Size

    328KB

  • Sample

    240428-vbksmacb79

  • MD5

    05a30994821845197be5d1ebb616dbbb

  • SHA1

    0bf4c283b2ecac2d8d94074248403d89754c688f

  • SHA256

    73a2ed1606f22e828554948d7f79dd99f2858bc3465e5065abcbf90d98583b3c

  • SHA512

    6bcffb9ec948aee21851e299a8a96a6c795c5546fad7d2f737ceb5f6d782975551b0f77e8e6c91450d5ee881f8e8d35eceb1944101eb94656b42a1e72c1e6073

  • SSDEEP

    6144:a9zyYnK/Poydbl3rFLRN8kAZyubtSiTsflsyAC9RM4ATGtMHoLm:8sgKdrBRMdSOCPbxL

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+ffxne.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/ACE6B632AF418E66 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/ACE6B632AF418E66 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/ACE6B632AF418E66 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/ACE6B632AF418E66 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/ACE6B632AF418E66 http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/ACE6B632AF418E66 http://yyre45dbvn2nhbefbmh.begumvelic.at/ACE6B632AF418E66 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/ACE6B632AF418E66
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/ACE6B632AF418E66

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/ACE6B632AF418E66

http://yyre45dbvn2nhbefbmh.begumvelic.at/ACE6B632AF418E66

http://xlowfznrg4wf7dli.ONION/ACE6B632AF418E66

Extracted

Path

C:\Program Files\7-Zip\Lang\_ReCoVeRy_+lebif.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/40FA5AFAA23B61ED 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/40FA5AFAA23B61ED 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/40FA5AFAA23B61ED 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/40FA5AFAA23B61ED 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/40FA5AFAA23B61ED http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/40FA5AFAA23B61ED http://yyre45dbvn2nhbefbmh.begumvelic.at/40FA5AFAA23B61ED Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/40FA5AFAA23B61ED
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/40FA5AFAA23B61ED

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/40FA5AFAA23B61ED

http://yyre45dbvn2nhbefbmh.begumvelic.at/40FA5AFAA23B61ED

http://xlowfznrg4wf7dli.ONION/40FA5AFAA23B61ED

Targets

    • Target

      05a30994821845197be5d1ebb616dbbb_JaffaCakes118

    • Size

      328KB

    • MD5

      05a30994821845197be5d1ebb616dbbb

    • SHA1

      0bf4c283b2ecac2d8d94074248403d89754c688f

    • SHA256

      73a2ed1606f22e828554948d7f79dd99f2858bc3465e5065abcbf90d98583b3c

    • SHA512

      6bcffb9ec948aee21851e299a8a96a6c795c5546fad7d2f737ceb5f6d782975551b0f77e8e6c91450d5ee881f8e8d35eceb1944101eb94656b42a1e72c1e6073

    • SSDEEP

      6144:a9zyYnK/Poydbl3rFLRN8kAZyubtSiTsflsyAC9RM4ATGtMHoLm:8sgKdrBRMdSOCPbxL

    • 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 (421) 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

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Indicator Removal

1
T1070

File Deletion

1
T1070.004

Modify Registry

3
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

1
T1490

Tasks