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Overview

overview

10

Static

static

1

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    file.exe

  • Size

    183KB

  • Sample

    230213-13ctzsgf39

  • MD5

    6a23c189ce7698d8fdd6a1e40e973fb9

  • SHA1

    2cd76e311315d6c06f21ac314df0818ebc0d23ea

  • SHA256

    a4e6ffe86d09c83b01c7fbd2c6636d69943c7b5426e1d549d86162097e363b37

  • SHA512

    83b8139d96464f88b93434982baa9c1fbea403eaf8edbdbcb2b48c58ae5be46660938f4cd2d407e66bb9818cc26d3dcb18fa0438106d07bdbb4534ec4939adf6

  • SSDEEP

    3072:iKFC/MiCc6hOdFf7+uM7XNC39ZAWIVvpAjqUgiGnu7xfG46UUrEHq5d:igC0ZVhOdFfCuM7XNCEWIVajqUxGudfR

Score
10/10
djvusmokeloadervidar546backdoordiscoveryevasionpersistenceransomwarespywarestealerthemidatrojanvmprotect

Malware Config

Extracted

Family

vidar

Version

2.5

Botnet

546

Attributes
  • profile_id

    546

Extracted

Family

djvu

C2

http://bihsy.com/lancer/get.php

http://bihsy.com/test2/get.php
Attributes
  • extension

    .vvoo

  • offline_id

    9c20OtJsXdFeF07b1IeFK5ERGv1zIb659YG380t1

  • payload_url

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

    http://bihsy.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. You can get and look video overview decrypt tool: https://we.tl/t-IiDRZpWuwI 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: 0645JOsie

rsa_pubkey.plain
rsa_pubkey.plain

Targets

    • Target

      file.exe

    • Size

      183KB

    • MD5

      6a23c189ce7698d8fdd6a1e40e973fb9

    • SHA1

      2cd76e311315d6c06f21ac314df0818ebc0d23ea

    • SHA256

      a4e6ffe86d09c83b01c7fbd2c6636d69943c7b5426e1d549d86162097e363b37

    • SHA512

      83b8139d96464f88b93434982baa9c1fbea403eaf8edbdbcb2b48c58ae5be46660938f4cd2d407e66bb9818cc26d3dcb18fa0438106d07bdbb4534ec4939adf6

    • SSDEEP

      3072:iKFC/MiCc6hOdFf7+uM7XNC39ZAWIVvpAjqUgiGnu7xfG46UUrEHq5d:igC0ZVhOdFfCuM7XNCEWIVajqUxGudfR

    Score
    10/10
    smokeloaderbackdoortrojandjvuvidar546discoveryevasionpersistenceransomwarespywarestealerthemidavmprotect

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      evasion

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

      themida

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

      vmprotect

    • Accesses 2FA software files, possible credential harvesting

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks