Overview

overview

10

Static

static

3

18e41c088a...05.exe

windows7-x64

10

18e41c088a...05.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    18e41c088abac684c090592bc7df4305.exe
  • Size 169KB
  • Sample240208-ntewrsed78
  • SHA256 2aa5a9c9059070191dcf750e2db3860dfd4803b5d50c8d71edc17fe3c3ef2994
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
djvusmokeloaderzgratpub1backdoordiscoverypersistenceransomwarerattrojan

Malware Config

Extracted

Family

  • smokeloader

Botnet

  • pub1

Extracted

Family

  • smokeloader

Version

  • 2022

C2

  • http://trad-einmyus.com/index.php

  • http://tradein-myus.com/index.php

  • http://trade-inmyus.com/index.php

rc4.i32
rc4.i32

Extracted

Family

  • djvu

C2

  • http://habrafa.com/test1/get.php

Attributes
  • extension

    .ldhy

  • offline_id

    pIGzEr0bxHiTz7xnvNidWeqzKkxMfVdHTyCkzwt1

  • payload_url

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

    http://habrafa.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://we.tl/t-hPAqznkJKD 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: 0849ASdw

rsa_pubkey.plain

Targets

    • Target
      18e41c088abac684c090592bc7df4305.exe
    • Size 169KB
    • SHA256 2aa5a9c9059070191dcf750e2db3860dfd4803b5d50c8d71edc17fe3c3ef2994
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    smokeloaderpub1backdoortrojandjvuzgratdiscoverypersistenceransomwarerat

    • Detect ZGRat V1

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • ZGRat

      ZGRat is remote access trojan written in C#.

      ratzgrat

    • Downloads MZ/PE file

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks