General

  • Target

    VirusShare_9213073f63c1542315acdad27c0b8b78

  • Size

    360KB

  • Sample

    240204-pcnm1sggg4

  • MD5

    9213073f63c1542315acdad27c0b8b78

  • SHA1

    77b5765cd37ccfb7608611291d66e68b7d68e2dc

  • SHA256

    1356acd718a156e106163e91fa87a415e4f6855606d2712d8408d65190a95dad

  • SHA512

    9ae5d76345825b0cd012d4ce8189a1b6864b3d76be93ae7fad22eb28387097346213d7763a989098ae2dd5a921afd3ab8ef72cc308d4d9bfc8e7e7efa3a92735

  • SSDEEP

    6144:YaaRWvS8RStjunQ/ocbbOeEQZlPX6kKhWbyFqoMU2sEEbsOI/4Yi:YFWvNS8EE4+WOeU22bnI/4Yi

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+ngmvt.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/232E2B498C85901E 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/232E2B498C85901E 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/232E2B498C85901E 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/232E2B498C85901E 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/232E2B498C85901E http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/232E2B498C85901E http://yyre45dbvn2nhbefbmh.begumvelic.at/232E2B498C85901E Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/232E2B498C85901E
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/232E2B498C85901E

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/232E2B498C85901E

http://yyre45dbvn2nhbefbmh.begumvelic.at/232E2B498C85901E

http://xlowfznrg4wf7dli.ONION/232E2B498C85901E

Extracted

Path

C:\PerfLogs\_ReCoVeRy_+sefxy.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/291EA866BB823372 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/291EA866BB823372 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/291EA866BB823372 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/291EA866BB823372 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/291EA866BB823372 http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/291EA866BB823372 http://yyre45dbvn2nhbefbmh.begumvelic.at/291EA866BB823372 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/291EA866BB823372
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/291EA866BB823372

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/291EA866BB823372

http://yyre45dbvn2nhbefbmh.begumvelic.at/291EA866BB823372

http://xlowfznrg4wf7dli.ONION/291EA866BB823372

Targets

    • Target

      VirusShare_9213073f63c1542315acdad27c0b8b78

    • Size

      360KB

    • MD5

      9213073f63c1542315acdad27c0b8b78

    • SHA1

      77b5765cd37ccfb7608611291d66e68b7d68e2dc

    • SHA256

      1356acd718a156e106163e91fa87a415e4f6855606d2712d8408d65190a95dad

    • SHA512

      9ae5d76345825b0cd012d4ce8189a1b6864b3d76be93ae7fad22eb28387097346213d7763a989098ae2dd5a921afd3ab8ef72cc308d4d9bfc8e7e7efa3a92735

    • SSDEEP

      6144:YaaRWvS8RStjunQ/ocbbOeEQZlPX6kKhWbyFqoMU2sEEbsOI/4Yi:YFWvNS8EE4+WOeU22bnI/4Yi

    • 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 (423) 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