General

  • Target

    48e9b5701b117afe2c760dc3cfd8481702b32add139f3368dc13fa40e64c1f6d

  • Size

    853KB

  • Sample

    211129-m9r1lafaf5

  • MD5

    71bfc02ce8a6fec28a77ab908b2c528b

  • SHA1

    98f56aa6ab53bf9f5683990ba962860629dbda0c

  • SHA256

    48e9b5701b117afe2c760dc3cfd8481702b32add139f3368dc13fa40e64c1f6d

  • SHA512

    439d66a6e7f0560d34f7f3bad6c05cfdaa99b22a39a6e64d9d3377352539546786cf21eb8dd05f45e6118a9ae3d2dc61336fd292e56470b4ad9096481ec1362b

Malware Config

Extracted

Family

djvu

C2

http://tzgl.org/lancer/get.php

Attributes
  • extension

    .robm

  • offline_id

    Z5GGASEfY71jtxU3i3E8kzvrTJmY9oiZkjcSm0t1

  • payload_url

    http://kotob.top/dl/build2.exe

    http://tzgl.org/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. You can get and look video overview decrypt tool: https://we.tl/t-Tjb0YqckGX Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. 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: 0354gSd743d

rsa_pubkey.plain

Targets

    • Target

      48e9b5701b117afe2c760dc3cfd8481702b32add139f3368dc13fa40e64c1f6d

    • Size

      853KB

    • MD5

      71bfc02ce8a6fec28a77ab908b2c528b

    • SHA1

      98f56aa6ab53bf9f5683990ba962860629dbda0c

    • SHA256

      48e9b5701b117afe2c760dc3cfd8481702b32add139f3368dc13fa40e64c1f6d

    • SHA512

      439d66a6e7f0560d34f7f3bad6c05cfdaa99b22a39a6e64d9d3377352539546786cf21eb8dd05f45e6118a9ae3d2dc61336fd292e56470b4ad9096481ec1362b

    • 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 Enterprise v6

Tasks