General

  • Target

    VirusShare_5885d072fb73bdd355e85b67bcde3bfd

  • Size

    368KB

  • Sample

    240610-nrj3pshd2v

  • MD5

    5885d072fb73bdd355e85b67bcde3bfd

  • SHA1

    538b93b18131e4d9de79f87f6b156c2d46895045

  • SHA256

    d3f5990770291c25a4ff14e8a6fe033f7ad1689c6206ed41eb7ed253a1c2c348

  • SHA512

    7da4dbbb0c98cd2ad56ffe28a23ed67e66583a0822e0e16aadfa102447d7a22acbd9e526fc9a9ee3ecae68389b02e12347182a64829cd762559ed083ee94882e

  • SSDEEP

    6144:iQNUdPR6oncUtPLJoJi8ju8FQNXsyR36GeHba2grj9F4SENppTUHtnvR3aF3J9PQ:XNUdc6wA8P2cyF6T7a2gH9F4dzhUl6rP

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\Recovery+cnfuw.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/4E62CBE897AFC44E 2. http://b4youfred5485jgsa3453f.italazudda.com/4E62CBE897AFC44E 3. http://5rport45vcdef345adfkksawe.bematvocal.at/4E62CBE897AFC44E 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/4E62CBE897AFC44E 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/4E62CBE897AFC44E http://b4youfred5485jgsa3453f.italazudda.com/4E62CBE897AFC44E http://5rport45vcdef345adfkksawe.bematvocal.at/4E62CBE897AFC44E *-*-* Your personal page Tor-Browser: fwgrhsao3aoml7ej.ONION/4E62CBE897AFC44E *-*-* Your personal identification ID: 4E62CBE897AFC44E
URLs

http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/4E62CBE897AFC44E

http://b4youfred5485jgsa3453f.italazudda.com/4E62CBE897AFC44E

http://5rport45vcdef345adfkksawe.bematvocal.at/4E62CBE897AFC44E

http://fwgrhsao3aoml7ej.onion/4E62CBE897AFC44E

http://fwgrhsao3aoml7ej.ONION/4E62CBE897AFC44E

Extracted

Path

C:\Program Files\7-Zip\Lang\Recovery+mmplo.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/C7FAFF798E63542 2. http://b4youfred5485jgsa3453f.italazudda.com/C7FAFF798E63542 3. http://5rport45vcdef345adfkksawe.bematvocal.at/C7FAFF798E63542 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/C7FAFF798E63542 4. Follow the instructions on the site. ---------------- IMPORTANT INFORMATION------------------------ *-*-* Your personal pages: http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/C7FAFF798E63542 http://b4youfred5485jgsa3453f.italazudda.com/C7FAFF798E63542 http://5rport45vcdef345adfkksawe.bematvocal.at/C7FAFF798E63542 *-*-* Your personal page Tor-Browser: fwgrhsao3aoml7ej.ONION/C7FAFF798E63542 *-*-* Your personal identification ID: C7FAFF798E63542
URLs

http://prest54538hnksjn4kjfwdbhwere.hotchunman.com/C7FAFF798E63542

http://b4youfred5485jgsa3453f.italazudda.com/C7FAFF798E63542

http://5rport45vcdef345adfkksawe.bematvocal.at/C7FAFF798E63542

http://fwgrhsao3aoml7ej.onion/C7FAFF798E63542

http://fwgrhsao3aoml7ej.ONION/C7FAFF798E63542

Targets

    • Target

      VirusShare_5885d072fb73bdd355e85b67bcde3bfd

    • Size

      368KB

    • MD5

      5885d072fb73bdd355e85b67bcde3bfd

    • SHA1

      538b93b18131e4d9de79f87f6b156c2d46895045

    • SHA256

      d3f5990770291c25a4ff14e8a6fe033f7ad1689c6206ed41eb7ed253a1c2c348

    • SHA512

      7da4dbbb0c98cd2ad56ffe28a23ed67e66583a0822e0e16aadfa102447d7a22acbd9e526fc9a9ee3ecae68389b02e12347182a64829cd762559ed083ee94882e

    • SSDEEP

      6144:iQNUdPR6oncUtPLJoJi8ju8FQNXsyR36GeHba2grj9F4SENppTUHtnvR3aF3J9PQ:XNUdc6wA8P2cyF6T7a2gH9F4dzhUl6rP

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (425) 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks