Overview

overview

10

Static

static

8de7db4a9a...2e.exe

windows7_x64

10

8de7db4a9a...2e.exe

windows10-2004_x64

10

Sharing

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General

  • Target
    8de7db4a9a7fe7f63e21a2062d27802e.exe
  • Size 264KB
  • Sample220507-sefa7sfean
  • SHA256 4aea67d65adb9ea09e36e46623b3faf51c3482476fbd38b644aeefb1f0bef0f2
  • MD5 SHA1 SHA512
Score
10/10
djvusmokeloadervidar1333517backdoordiscoverypersistenceransomwarespywarestealersuricatatrojan

Malware Config

Extracted

Family

  • smokeloader

Version

  • 2020

C2

  • http://monsutiur4.com/

  • http://nusurionuy5ff.at/

  • http://moroitomo4.net/

  • http://susuerulianita1.net/

  • http://cucumbetuturel4.com/

  • http://nunuslushau.com/

  • http://linislominyt11.at/

  • http://luxulixionus.net/

  • http://lilisjjoer44.com/

  • http://nikogminut88.at/

  • http://limo00ruling.org/

  • http://mini55tunul.com/

  • http://samnutu11nuli.com/

  • http://nikogkojam.org/

rc4.i32
rc4.i32

Extracted

Family

  • djvu

C2

  • http://ugll.org/lancer/get.php

Attributes
  • extension

    .egfg

  • offline_id

    QcVY9rkapJoL3nQkZAsvfTFVYLmscrM1v1QxGWt1

  • payload_url

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

    http://ugll.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-6Ti2DxXR3I 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: 0474JIjdm

rsa_pubkey.plain

Extracted

Family

  • vidar

Version

  • 52

Botnet

  • 1333

C2

  • https://t.me/hollandracing

  • https://busshi.moe/@ronxik321

Attributes
  • profile_id

    1333

Extracted

Family

  • vidar

Version

  • 52

Botnet

  • 517

C2

  • https://t.me/hollandracing

  • https://busshi.moe/@ronxik321

Attributes
  • profile_id

    517

Targets

    • Target
      8de7db4a9a7fe7f63e21a2062d27802e.exe
    • Size 264KB
    • SHA256 4aea67d65adb9ea09e36e46623b3faf51c3482476fbd38b644aeefb1f0bef0f2
    • MD5 SHA1 SHA512
    Score
    10/10
    smokeloaderbackdoortrojandjvuvidar1333517discoverypersistenceransomwarespywarestealersuricata

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata

    • suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved

      suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved

      suricata

    • suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

      suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

      suricata

    • suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

      suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

      suricata

    • suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

      suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

      suricata

    • suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

      suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

      suricata

    • Vidar Stealer

      stealer

    • 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

      discovery

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses 2FA software files, possible credential harvesting

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • 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