General

  • Target

    ad5efdc0944721558138fff89226d5d196943e9fea82fb8c46317eca7826540b

  • Size

    344KB

  • Sample

    221128-dkz58sae62

  • MD5

    65578198c7650a31d2786eee5d56a3a5

  • SHA1

    c528bb0d3eabe054928f08606a2de3113f4e23bb

  • SHA256

    ad5efdc0944721558138fff89226d5d196943e9fea82fb8c46317eca7826540b

  • SHA512

    fd2660e75d33d7c67c3f6124c48b540b8f95c27acb0bc892274f3388f60d9827c6b601ab9229094be244f185b8f084c24abda3cab8e93e50aa54c99adfa6cadd

  • SSDEEP

    6144:bWYMMr+8TAO1tgMfekvcIAM+Zpdk0C6+r47ywV8V0CHqqR9:bWOAO1tZ/vcpM+ZLk0itOiqqf

Malware Config

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-3385717845-2518323428-350143044-1000\how_recover+kyb.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-2048. More information about the encryption keys using RSA-2048 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) What does this mean ? This means that the structure and data within your files have been irrevocably changed, you will not be able to work with them, read them or see them, it is the same thing as losing them forever, but with our help, you can restore them. How did this happen ? Specially for your PC was generated personal RSA2048 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 BTC 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://alcov44uvcwkrend.paybtc798.com/8F866EB1CB7C607D 2. http://alcov44uvcwkrend.btcpay435.com/8F866EB1CB7C607D 3. https://alcov44uvcwkrend.onion.to/8F866EB1CB7C607D 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: alcov44uvcwkrend.onion/8F866EB1CB7C607D 4. Follow the instructions on the site. IMPORTANT INFORMATION: Your personal pages: http://alcov44uvcwkrend.paybtc798.com/8F866EB1CB7C607D http://alcov44uvcwkrend.btcpay435.com/8F866EB1CB7C607D https://alcov44uvcwkrend.onion.to/8F866EB1CB7C607D Your personal page (using TOR-Browser): alcov44uvcwkrend.onion/8F866EB1CB7C607D Your personal identification number (if you open the site (or TOR-Browser's) directly): 8F866EB1CB7C607D ++++++==============================================================================================================+++++++======
URLs

http://alcov44uvcwkrend.paybtc798.com/8F866EB1CB7C607D

http://alcov44uvcwkrend.btcpay435.com/8F866EB1CB7C607D

https://alcov44uvcwkrend.onion.to/8F866EB1CB7C607D

http://alcov44uvcwkrend.onion/8F866EB1CB7C607D

Extracted

Path

C:\$Recycle.Bin\S-1-5-21-929662420-1054238289-2961194603-1000\how_recover+beu.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-2048. More information about the encryption keys using RSA-2048 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) What does this mean ? This means that the structure and data within your files have been irrevocably changed, you will not be able to work with them, read them or see them, it is the same thing as losing them forever, but with our help, you can restore them. How did this happen ? Specially for your PC was generated personal RSA2048 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 BTC 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://alcov44uvcwkrend.paybtc798.com/CD23C08221B4814 2. http://alcov44uvcwkrend.btcpay435.com/CD23C08221B4814 3. https://alcov44uvcwkrend.onion.to/CD23C08221B4814 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: alcov44uvcwkrend.onion/CD23C08221B4814 4. Follow the instructions on the site. IMPORTANT INFORMATION: Your personal pages: http://alcov44uvcwkrend.paybtc798.com/CD23C08221B4814 http://alcov44uvcwkrend.btcpay435.com/CD23C08221B4814 https://alcov44uvcwkrend.onion.to/CD23C08221B4814 Your personal page (using TOR-Browser): alcov44uvcwkrend.onion/CD23C08221B4814 Your personal identification number (if you open the site (or TOR-Browser's) directly): CD23C08221B4814 ++++++==============================================================================================================+++++++======
URLs

http://alcov44uvcwkrend.paybtc798.com/CD23C08221B4814

http://alcov44uvcwkrend.btcpay435.com/CD23C08221B4814

https://alcov44uvcwkrend.onion.to/CD23C08221B4814

http://alcov44uvcwkrend.onion/CD23C08221B4814

Extracted

Path

C:\Users\Admin\AppData\Roaming\Microsoft\SystemCertificates\My\CTLs\how_recover+beu.html

Ransom Note
NOT YOUR LANGUAGE? USE Google Translate What happened to your files? protected by a strong encryption with RSA-2048 More information about the encryption RSA-2048 can be found here: http://en.wikipedia.org/wiki/RSA_(cryptosystem) does this mean? means that the structure and data within your files have been irrevocably changed, you will not be able to work with them, read them or see them, it is the same thing as losing them forever, but with our help, you can restore them. 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!!! * do not take the necessary measures for the specified time then the conditions for obtaining the private key will be changed. If you really need your data, then we suggest you do not waste valuable time searching for other solutions becausen they do not exist. For more specific instructions, please visit your personal home page, there are a few different addresses pointing to your page below: 1.http://alcov44uvcwkrend.paybtc798.com/CD23C08221B4814 2.http://alcov44uvcwkrend.btcpay435.com/CD23C08221B4814 3.https://alcov44uvcwkrend.onion.to/CD23C08221B4814 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 tor-browser address bar: alcov44uvcwkrend.onion/CD23C08221B4814 4. Follow the instructions on the site. IMPORTANT INFORMATION: Your Personal PAGES: http://alcov44uvcwkrend.paybtc798.com/CD23C08221B4814 http://alcov44uvcwkrend.btcpay435.com/CD23C08221B4814 https://alcov44uvcwkrend.onion.to/CD23C08221B4814 Your Personal PAGES (using TOR-Browser): alcov44uvcwkrend.onion/CD23C08221B4814 Your personal code (if you open the site (or TOR-Browser's) directly):
URLs

http://alcov44uvcwkrend.onion/CD23C08221B4814

http://alcov44uvcwkrend.paybtc798.com/CD23C08221B4814

http://alcov44uvcwkrend.btcpay435.com/CD23C08221B4814

https://alcov44uvcwkrend.onion.to/CD23C08221B4814

Targets

    • Target

      ad5efdc0944721558138fff89226d5d196943e9fea82fb8c46317eca7826540b

    • Size

      344KB

    • MD5

      65578198c7650a31d2786eee5d56a3a5

    • SHA1

      c528bb0d3eabe054928f08606a2de3113f4e23bb

    • SHA256

      ad5efdc0944721558138fff89226d5d196943e9fea82fb8c46317eca7826540b

    • SHA512

      fd2660e75d33d7c67c3f6124c48b540b8f95c27acb0bc892274f3388f60d9827c6b601ab9229094be244f185b8f084c24abda3cab8e93e50aa54c99adfa6cadd

    • SSDEEP

      6144:bWYMMr+8TAO1tgMfekvcIAM+Zpdk0C6+r47ywV8V0CHqqR9:bWOAO1tZ/vcpM+ZLk0itOiqqf

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Drops startup file

    • Loads dropped DLL

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Deletion

2
T1107

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Impact

Inhibit System Recovery

3
T1490

Tasks