General

  • Target

    6a31ede5c1c8d39a310acc1bca34232e442cbd1810c67022403479a5dcd0b48a

  • Size

    772KB

  • Sample

    240409-ayb4saca9s

  • MD5

    11ac2538e1d2d762fd5b799469552586

  • SHA1

    9f4228db21770c0949297ab66738c68d69f87e18

  • SHA256

    6a31ede5c1c8d39a310acc1bca34232e442cbd1810c67022403479a5dcd0b48a

  • SHA512

    9f132a53325d00ac8d90225baec0a8a5af5287c4cc6b6f1c1129de423406e9cd1a754c9a0347a81063807ab0ebde548a76e07ef7fa8bf6f3a20bbbb32df105b7

  • SSDEEP

    24576:nLfx2wZNhaC72PQVwAOpDgeMRHPrHaz6x:Lf5mOmtgeMRLaz6x

Malware Config

Extracted

Family

djvu

C2

http://sajdfue.com/test1/get.php

Attributes
  • extension

    .uajs

  • offline_id

    Jx0i3k2ogR5cKxX1evmz0Ex7TUxOUlnbh2dvnIt1

  • payload_url

    http://sdfjhuz.com/dl/build2.exe

    http://sajdfue.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/df01994dd8d37c2c33469922f8e7155a20240402134014/fd95b0 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0859PsawqS

rsa_pubkey.plain

Targets

    • Target

      6a31ede5c1c8d39a310acc1bca34232e442cbd1810c67022403479a5dcd0b48a

    • Size

      772KB

    • MD5

      11ac2538e1d2d762fd5b799469552586

    • SHA1

      9f4228db21770c0949297ab66738c68d69f87e18

    • SHA256

      6a31ede5c1c8d39a310acc1bca34232e442cbd1810c67022403479a5dcd0b48a

    • SHA512

      9f132a53325d00ac8d90225baec0a8a5af5287c4cc6b6f1c1129de423406e9cd1a754c9a0347a81063807ab0ebde548a76e07ef7fa8bf6f3a20bbbb32df105b7

    • SSDEEP

      24576:nLfx2wZNhaC72PQVwAOpDgeMRHPrHaz6x:Lf5mOmtgeMRLaz6x

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Checks computer location settings

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

    • Modifies file permissions

    • 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 Enterprise v15

Tasks