Overview

overview

10

Static

static

3

5e877e8c50...18.exe

windows7-x64

10

5e877e8c50...18.exe

windows10-2004-x64

10

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General

  • Target

    5e877e8c5020bc0eb13b27e07c066c07_JaffaCakes118

  • Size

    360KB

  • Sample

    240520-l8wfyseg63

  • MD5

    5e877e8c5020bc0eb13b27e07c066c07

  • SHA1

    c8bb1cf30af7ccf06358b5888c86245eb88a92d7

  • SHA256

    4500cb0221426a2a102f03d23da913fcd6070b7b5cb8b1e0acaf5261c0c91758

  • SHA512

    829a12f1068931e517e55c7245cd56139b46195f3485cf621743b0935ae22f614b6370bb14fe725c7661e04db6beb14ed7b04c989462a3b6485e1e3cdc5ed4b3

  • SSDEEP

    6144:Zw7VmMxZ+gdbX38IsdH11EmQYn9wiJnoYR:Zw7HkdHzEe9wGno4

Score
10/10
teslacryptdefense_evasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+ahrtw.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/19A66022DD1D363 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/19A66022DD1D363 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/19A66022DD1D363 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/19A66022DD1D363 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/19A66022DD1D363 http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/19A66022DD1D363 http://yyre45dbvn2nhbefbmh.begumvelic.at/19A66022DD1D363 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/19A66022DD1D363
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/19A66022DD1D363

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/19A66022DD1D363

http://yyre45dbvn2nhbefbmh.begumvelic.at/19A66022DD1D363

http://xlowfznrg4wf7dli.ONION/19A66022DD1D363

Extracted

Path

C:\Program Files\7-Zip\Lang\_ReCoVeRy_+acmum.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/93C2A0337EAB204F 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/93C2A0337EAB204F 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/93C2A0337EAB204F 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/93C2A0337EAB204F 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/93C2A0337EAB204F http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/93C2A0337EAB204F http://yyre45dbvn2nhbefbmh.begumvelic.at/93C2A0337EAB204F Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/93C2A0337EAB204F
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/93C2A0337EAB204F

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/93C2A0337EAB204F

http://yyre45dbvn2nhbefbmh.begumvelic.at/93C2A0337EAB204F

http://xlowfznrg4wf7dli.ONION/93C2A0337EAB204F

Targets

    • Target

      5e877e8c5020bc0eb13b27e07c066c07_JaffaCakes118

    • Size

      360KB

    • MD5

      5e877e8c5020bc0eb13b27e07c066c07

    • SHA1

      c8bb1cf30af7ccf06358b5888c86245eb88a92d7

    • SHA256

      4500cb0221426a2a102f03d23da913fcd6070b7b5cb8b1e0acaf5261c0c91758

    • SHA512

      829a12f1068931e517e55c7245cd56139b46195f3485cf621743b0935ae22f614b6370bb14fe725c7661e04db6beb14ed7b04c989462a3b6485e1e3cdc5ed4b3

    • SSDEEP

      6144:Zw7VmMxZ+gdbX38IsdH11EmQYn9wiJnoYR:Zw7HkdHzEe9wGno4

    Score
    10/10
    teslacryptdefense_evasionexecutionimpactpersistenceransomwarespywarestealer

    • TeslaCrypt, AlphaCrypt

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

      ransomwareteslacrypt

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (427) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • 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.

      spywarestealer

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks