Overview

overview

10

Static

static

3

VirusShare...24.exe

windows7-x64

10

VirusShare...24.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    VirusShare_1d2cca249c4ad2723ffe6623e4780c24
  • Size 368KB
  • Sample240610-msptxagg23
  • SHA256 5b2bf628d09ba68874c73b447b19849ab3e182aa8983a37dac7561960e33c85d
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
defense_evasionexecutionimpactpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

  • C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+kmwsb.txt

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 RSA-4096. More information about the encryption keys using RSA-4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA-4096 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://prest54538hnksjn4kjfwdbhwere.hotchunman.com/BD746E08E3E27D 2. http://b4youfred5485jgsa3453f.italazudda.com/BD746E08E3E27D 3. http://5rport45vcdef345adfkksawe.bematvocal.at/BD746E08E3E27D 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 and wait for initialization 3. Type in the address bar: fwgrhsao3aoml7ej.onion/BD746E08E3E27D 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/BD746E08E3E27D http://b4youfred5485jgsa3453f.italazudda.com/BD746E08E3E27D http://5rport45vcdef345adfkksawe.bematvocal.at/BD746E08E3E27D *-*-* Your personal page Tor-Browser: fwgrhsao3aoml7ej.ONION/BD746E08E3E27D *-*-* Your personal identification ID: BD746E08E3E27D
URLs

  • http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/BD746E08E3E27D

  • http://b4youfred5485jgsa3453f.italazudda.com/BD746E08E3E27D

  • http://5rport45vcdef345adfkksawe.bematvocal.at/BD746E08E3E27D

  • http://fwgrhsao3aoml7ej.onion/BD746E08E3E27D

  • http://fwgrhsao3aoml7ej.ONION/BD746E08E3E27D

Extracted

Path

  • C:\Program Files\7-Zip\Lang\Recovery+yfnny.txt

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 RSA-4096. More information about the encryption keys using RSA-4096 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) How did this happen ? !!! Specially for your PC was generated personal RSA-4096 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://prest54538hnksjn4kjfwdbhwere.hotchunman.com/C0347141B96129A1 2. http://b4youfred5485jgsa3453f.italazudda.com/C0347141B96129A1 3. http://5rport45vcdef345adfkksawe.bematvocal.at/C0347141B96129A1 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 and wait for initialization 3. Type in the address bar: fwgrhsao3aoml7ej.onion/C0347141B96129A1 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/C0347141B96129A1 http://b4youfred5485jgsa3453f.italazudda.com/C0347141B96129A1 http://5rport45vcdef345adfkksawe.bematvocal.at/C0347141B96129A1 *-*-* Your personal page Tor-Browser: fwgrhsao3aoml7ej.ONION/C0347141B96129A1 *-*-* Your personal identification ID: C0347141B96129A1
URLs

  • http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/C0347141B96129A1

  • http://b4youfred5485jgsa3453f.italazudda.com/C0347141B96129A1

  • http://5rport45vcdef345adfkksawe.bematvocal.at/C0347141B96129A1

  • http://fwgrhsao3aoml7ej.onion/C0347141B96129A1

  • http://fwgrhsao3aoml7ej.ONION/C0347141B96129A1

Targets

    • Target
      VirusShare_1d2cca249c4ad2723ffe6623e4780c24
    • Size 368KB
    • SHA256 5b2bf628d09ba68874c73b447b19849ab3e182aa8983a37dac7561960e33c85d
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    defense_evasionexecutionimpactpersistenceransomwarespywarestealer

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomwaredefense_evasionimpactexecution

    • Renames multiple (413) 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks