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

  • Size

    357KB

  • Sample

    230210-sx9b1afh71

  • MD5

    670936165fe244e2905fbc7354f0ba35

  • SHA1

    aaed184b2c9991afe8d1db5af006220ef6a0d3c1

  • SHA256

    8ba31a5fa89b4db409e6f163004802e1d6c5fc0df2c6949d3d05fbbeafc25ac0

  • SHA512

    01571455a2e6b9d59f813c7f7d547bac21874efcf1f62a5e7537dea13dc9dd92745739d1dc1d85b34576abd368b732c57b7bb668f96a91ab17bd247ab458fbca

  • SSDEEP

    3072:R9nnbA+xhOdaGfROlHUIX6NbpiiNaVGywSOkIMmJJ59nf6N6QR2UU:3hHoaGElHUC6NboukGywBkBmJdnfWdR

Score
10/10
djvusmokeloaderbackdoordiscoverypersistenceransomwaretrojanvmprotect

Malware Config

Extracted

Family

djvu

C2

http://bihsy.com/lancer/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

Targets

    • Target

      file

    • Size

      357KB

    • MD5

      670936165fe244e2905fbc7354f0ba35

    • SHA1

      aaed184b2c9991afe8d1db5af006220ef6a0d3c1

    • SHA256

      8ba31a5fa89b4db409e6f163004802e1d6c5fc0df2c6949d3d05fbbeafc25ac0

    • SHA512

      01571455a2e6b9d59f813c7f7d547bac21874efcf1f62a5e7537dea13dc9dd92745739d1dc1d85b34576abd368b732c57b7bb668f96a91ab17bd247ab458fbca

    • SSDEEP

      3072:R9nnbA+xhOdaGfROlHUIX6NbpiiNaVGywSOkIMmJJ59nf6N6QR2UU:3hHoaGElHUC6NboukGywBkBmJdnfWdR

    Score
    10/10
    smokeloaderbackdoortrojandjvudiscoverypersistenceransomwarevmprotect

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Modifies file permissions

      discovery

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

      vmprotect

    • 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 v6

Tasks