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General

  • Target

    file.exe

  • Size

    786KB

  • Sample

    220916-gxledsegh7

  • MD5

    0836c1b98ca4209d6029eeaae7c13d7f

  • SHA1

    ce8299ef9da4cc14ddb11f63cdd1547658e01cda

  • SHA256

    f27f49e12620ec64a2516ddc098578f8f644d33ba8048afd31bda49776788ea2

  • SHA512

    9a447e6ea53cd1d72d96e6c0a19b57cd0dc35253bb12cf22e7243867d0546dda90773a2080e09eb0213d4e9d59af5ae8647626f82fe155422e686fd30bf9af16

  • SSDEEP

    12288:nyedekZc2B6nKBlSzQ+YzVZglZzOlm8p4tLf5ixIui:nyedekeQYUNYZzODpcfoxIui

Malware Config

Extracted

Family

djvu

C2

http://acacaca.org/test3/get.php

Attributes
  • extension

    .eemv

  • offline_id

    5IVlpkccZlJz0AZ5atgGWVKe9CGAnXjohDf40mt1

  • payload_url

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

    http://acacaca.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-0e5rCKsYCc 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: 0560Jhyjd

rsa_pubkey.plain

Targets

    • Target

      file.exe

    • Size

      786KB

    • MD5

      0836c1b98ca4209d6029eeaae7c13d7f

    • SHA1

      ce8299ef9da4cc14ddb11f63cdd1547658e01cda

    • SHA256

      f27f49e12620ec64a2516ddc098578f8f644d33ba8048afd31bda49776788ea2

    • SHA512

      9a447e6ea53cd1d72d96e6c0a19b57cd0dc35253bb12cf22e7243867d0546dda90773a2080e09eb0213d4e9d59af5ae8647626f82fe155422e686fd30bf9af16

    • SSDEEP

      12288:nyedekZc2B6nKBlSzQ+YzVZglZzOlm8p4tLf5ixIui:nyedekeQYUNYZzODpcfoxIui

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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