General

  • Target

    9f1386e8a452ad99af7c9029a37412f5_JaffaCakes118

  • Size

    332KB

  • Sample

    241126-bzyvlsxkc1

  • MD5

    9f1386e8a452ad99af7c9029a37412f5

  • SHA1

    f9119838905f5b5d4f4e6b6d7e74506bf1138d7f

  • SHA256

    7ccc88dab435f8578677128a4e8f6394527dc220cca89d66b5e6f503a43fda78

  • SHA512

    72834d27bff45577b9e9c246644b61f3ae940ae858bf720c8a959049460146abe4275c0cfa4091a42044fd39ef68d11483b88e32b897ffc115ba3e48b40e6747

  • SSDEEP

    6144:tTRwz1xc5AOQRqoUt2FRd8zCKCzMcuZJJtgxCdU6xUKonQ:tTRA1x6izIZJJwCdBwQ

Malware Config

Extracted

Path

C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\how_recover+tru.txt

Ransom Note
++++++==============================================================================================================+++++++======- 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 ? Especially for you, on our server was generated the secret key pair RSA-2048 - 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/7A20DEB87CA88CD9 2. http://alcov44uvcwkrend.btcpay435.com/7A20DEB87CA88CD9 3. https://alcov44uvcwkrend.onion.to/7A20DEB87CA88CD9 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/7A20DEB87CA88CD9 4. Follow the instructions on the site. IMPORTANT INFORMATION: Your personal pages: http://alcov44uvcwkrend.paybtc798.com/7A20DEB87CA88CD9 http://alcov44uvcwkrend.btcpay435.com/7A20DEB87CA88CD9 https://alcov44uvcwkrend.onion.to/7A20DEB87CA88CD9 Your personal page (using TOR-Browser): alcov44uvcwkrend.onion/7A20DEB87CA88CD9 Your personal identification number (if you open the site (or TOR-Browser's) directly): 7A20DEB87CA88CD9 ++++++==============================================================================================================+++++++======
URLs

http://alcov44uvcwkrend.paybtc798.com/7A20DEB87CA88CD9

http://alcov44uvcwkrend.btcpay435.com/7A20DEB87CA88CD9

https://alcov44uvcwkrend.onion.to/7A20DEB87CA88CD9

http://alcov44uvcwkrend.onion/7A20DEB87CA88CD9

Targets

    • Target

      9f1386e8a452ad99af7c9029a37412f5_JaffaCakes118

    • Size

      332KB

    • MD5

      9f1386e8a452ad99af7c9029a37412f5

    • SHA1

      f9119838905f5b5d4f4e6b6d7e74506bf1138d7f

    • SHA256

      7ccc88dab435f8578677128a4e8f6394527dc220cca89d66b5e6f503a43fda78

    • SHA512

      72834d27bff45577b9e9c246644b61f3ae940ae858bf720c8a959049460146abe4275c0cfa4091a42044fd39ef68d11483b88e32b897ffc115ba3e48b40e6747

    • SSDEEP

      6144:tTRwz1xc5AOQRqoUt2FRd8zCKCzMcuZJJtgxCdU6xUKonQ:tTRA1x6izIZJJwCdBwQ

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Renames multiple (418) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • 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

    • Indicator Removal: File Deletion

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

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks