Overview

overview

10

Static

static

3

e31915acbb...18.exe

windows7-x64

10

e31915acbb...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e31915acbb7c015d82dfaa72646f9815_JaffaCakes118

  • Size

    368KB

  • Sample

    240915-wtej1awcpa

  • MD5

    e31915acbb7c015d82dfaa72646f9815

  • SHA1

    7c29d83215851c4d8be83a15bfcac0747304d602

  • SHA256

    69058d92f560ad03fbeff38d50ab8ffdcf39f3e7ddfca4bc5adb440b2b6de7c5

  • SHA512

    76a86bc9f0d8086a56c768ade02a0b2aba468631d98d4adc53f578e364d06e1c48b7e3f6c309b1fa9be0090c1aec4042d66e134537c377bc39ec764bc2e428f5

  • SSDEEP

    6144:DbXofeVfgK9bZrUmn3t49U9fW/g3C2qvSXt/XbYHJ6HfBnMwnctf12VSPkdJoLeC:DbX4eVT9bNUm3KaZTC5veg6/X/oSBq

Score
10/10
teslacryptdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\_ReCoVeRy_+xubsd.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/679DC7C60503FD5 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/679DC7C60503FD5 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/679DC7C60503FD5 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/679DC7C60503FD5 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/679DC7C60503FD5 http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/679DC7C60503FD5 http://yyre45dbvn2nhbefbmh.begumvelic.at/679DC7C60503FD5 Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/679DC7C60503FD5
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/679DC7C60503FD5

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/679DC7C60503FD5

http://yyre45dbvn2nhbefbmh.begumvelic.at/679DC7C60503FD5

http://xlowfznrg4wf7dli.ONION/679DC7C60503FD5

Extracted

Path

C:\Program Files\7-Zip\Lang\_ReCoVeRy_+yjkyv.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/1E313B6AEC20D63A 2 - http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/1E313B6AEC20D63A 3 - http://yyre45dbvn2nhbefbmh.begumvelic.at/1E313B6AEC20D63A 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/1E313B6AEC20D63A 4 - Follow the instructions on the site IMPORTANT INFORMATION Your personal pages http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/1E313B6AEC20D63A http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/1E313B6AEC20D63A http://yyre45dbvn2nhbefbmh.begumvelic.at/1E313B6AEC20D63A Your personal page Tor-Browser xlowfznrg4wf7dli.ONION/1E313B6AEC20D63A
URLs

http://sondr5344ygfweyjbfkw4fhsefv.heliofetch.at/1E313B6AEC20D63A

http://pts764gt354fder34fsqw45gdfsavadfgsfg.kraskula.com/1E313B6AEC20D63A

http://yyre45dbvn2nhbefbmh.begumvelic.at/1E313B6AEC20D63A

http://xlowfznrg4wf7dli.ONION/1E313B6AEC20D63A

Targets

    • Target

      e31915acbb7c015d82dfaa72646f9815_JaffaCakes118

    • Size

      368KB

    • MD5

      e31915acbb7c015d82dfaa72646f9815

    • SHA1

      7c29d83215851c4d8be83a15bfcac0747304d602

    • SHA256

      69058d92f560ad03fbeff38d50ab8ffdcf39f3e7ddfca4bc5adb440b2b6de7c5

    • SHA512

      76a86bc9f0d8086a56c768ade02a0b2aba468631d98d4adc53f578e364d06e1c48b7e3f6c309b1fa9be0090c1aec4042d66e134537c377bc39ec764bc2e428f5

    • SSDEEP

      6144:DbXofeVfgK9bZrUmn3t49U9fW/g3C2qvSXt/XbYHJ6HfBnMwnctf12VSPkdJoLeC:DbX4eVT9bNUm3KaZTC5veg6/X/oSBq

    Score
    10/10
    teslacryptdefense_evasiondiscoveryexecutionimpactpersistenceransomwarespywarestealer

    • 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 (430) 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

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

      defense_evasion

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks