General

  • Target

    bffe8df611b123873b0cb59f8e19255c8c9828452a32c811d922443c63c69c66

  • Size

    1.0MB

  • Sample

    240531-jlfe4scd66

  • MD5

    89b11efe8244c588c7e643a0936034eb

  • SHA1

    bad630f678f562599f4dd1db771073239db687b5

  • SHA256

    bffe8df611b123873b0cb59f8e19255c8c9828452a32c811d922443c63c69c66

  • SHA512

    1c167cdfc120df825cdb937837b3e0576e20a3a55fffdb5c08762e4abb389239a6e0f69a6224437061c03acbb834afe043566d349acb0ac4c6e71e8d03badfa9

  • SSDEEP

    24576:taBszgCbd9VyS9Xr4s/pBCshIeW3ocE8Wsn:taqd946rbWyan

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

      bffe8df611b123873b0cb59f8e19255c8c9828452a32c811d922443c63c69c66

    • Size

      1.0MB

    • MD5

      89b11efe8244c588c7e643a0936034eb

    • SHA1

      bad630f678f562599f4dd1db771073239db687b5

    • SHA256

      bffe8df611b123873b0cb59f8e19255c8c9828452a32c811d922443c63c69c66

    • SHA512

      1c167cdfc120df825cdb937837b3e0576e20a3a55fffdb5c08762e4abb389239a6e0f69a6224437061c03acbb834afe043566d349acb0ac4c6e71e8d03badfa9

    • SSDEEP

      24576:taBszgCbd9VyS9Xr4s/pBCshIeW3ocE8Wsn:taqd946rbWyan

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • 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 Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Tasks