Overview

overview

10

Static

static

3

VirusShare...c5.exe

windows7-x64

10

VirusShare...c5.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    VirusShare_e7f147af11b3494756d8c07149de56c5

  • Size

    352KB

  • Sample

    240607-w4c4xsch54

  • MD5

    e7f147af11b3494756d8c07149de56c5

  • SHA1

    c3b7a6a4b77eebaef88b1f874317d55783c10e82

  • SHA256

    dfd96eb0d24ab0e64e6e2078eca2ae8e969295be95b0862456371f79a22333a2

  • SHA512

    a0dd11b4c085c3642ec109ae33ded492db4f0e73c42bdb45e42bfe8243ad7b770362cfa966d45bdd90579f34e70ed595340d6b65379fd69e65c19c9ec2180027

  • SSDEEP

    6144:oMeb/EDtpBx1aRXJub19pf3gOURaJmf+ubexB3wLaYZSzvF:oTb/wtN1aRXJg1f3gO9Jm+u2BgeYkzv

Score
10/10
teslacryptdefense_evasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+iedoc.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/8F7BAFBD62DAB347 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/8F7BAFBD62DAB347 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/8F7BAFBD62DAB347 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/8F7BAFBD62DAB347 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/8F7BAFBD62DAB347 http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/8F7BAFBD62DAB347 http://yyre45dbvn2nhbefbmh.begumvelic.at/8F7BAFBD62DAB347 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/8F7BAFBD62DAB347
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/8F7BAFBD62DAB347

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/8F7BAFBD62DAB347

http://yyre45dbvn2nhbefbmh.begumvelic.at/8F7BAFBD62DAB347

http://xlowfznrg4wf7dli.ONION/8F7BAFBD62DAB347

Extracted

Path

C:\Program Files\7-Zip\Lang\_ReCoVeRy_+euyic.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/166B66C48E59E788 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/166B66C48E59E788 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/166B66C48E59E788 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/166B66C48E59E788 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/166B66C48E59E788 http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/166B66C48E59E788 http://yyre45dbvn2nhbefbmh.begumvelic.at/166B66C48E59E788 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/166B66C48E59E788
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/166B66C48E59E788

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/166B66C48E59E788

http://yyre45dbvn2nhbefbmh.begumvelic.at/166B66C48E59E788

http://xlowfznrg4wf7dli.ONION/166B66C48E59E788

Targets

    • Target

      VirusShare_e7f147af11b3494756d8c07149de56c5

    • Size

      352KB

    • MD5

      e7f147af11b3494756d8c07149de56c5

    • SHA1

      c3b7a6a4b77eebaef88b1f874317d55783c10e82

    • SHA256

      dfd96eb0d24ab0e64e6e2078eca2ae8e969295be95b0862456371f79a22333a2

    • SHA512

      a0dd11b4c085c3642ec109ae33ded492db4f0e73c42bdb45e42bfe8243ad7b770362cfa966d45bdd90579f34e70ed595340d6b65379fd69e65c19c9ec2180027

    • SSDEEP

      6144:oMeb/EDtpBx1aRXJub19pf3gOURaJmf+ubexB3wLaYZSzvF:oTb/wtN1aRXJg1f3gO9Jm+u2BgeYkzv

    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 (421) 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