Overview

overview

10

Static

static

3

f2d1f4ec91...68.exe

windows7-x64

10

f2d1f4ec91...68.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    f2d1f4ec91d65ce95ad734b10664fd68.exe
  • Size 316KB
  • Sample240321-ya81lsaa4y
  • SHA256 7e58fdd635ef291b98c8c9e6c317fc4f6699dfb8580d95159fdb8f39e9ba9ea6
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
dcratdjvulummasmokeloadervidar95002d0a9d65ffced363a8f35f42a529pub1backdoordiscoveryinfostealerpersistenceransomwareratstealertrojan

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://sajdfue.com/test1/get.php

Attributes
  • extension

    .vook

  • offline_id

    1eSPzWRaNslCgtjBZfL5pzvovoiaVI4IZSnvAwt1

  • payload_url

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

    http://sajdfue.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://wetransfer.com/downloads/3ed7a617738550b0a00c5aa231c0752020240316170955/d71ce1 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: 0857PsawqS

rsa_pubkey.plain

Extracted

Family

  • vidar

Version

  • 8.4

Botnet

  • 95002d0a9d65ffced363a8f35f42a529

C2

  • https://steamcommunity.com/profiles/76561199654112719

  • https://t.me/r2d0s

Attributes
  • profile_id_v2

    95002d0a9d65ffced363a8f35f42a529

  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:123.0) Gecko/20100101 Firefox/123.0

Extracted

Family

  • lumma

C2

  • https://relevantvoicelesskw.shop/api

Targets

    • Target
      f2d1f4ec91d65ce95ad734b10664fd68.exe
    • Size 316KB
    • SHA256 7e58fdd635ef291b98c8c9e6c317fc4f6699dfb8580d95159fdb8f39e9ba9ea6
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    dcratdjvusmokeloadervidar95002d0a9d65ffced363a8f35f42a529pub1backdoordiscoveryinfostealerpersistenceransomwareratstealertrojanlumma

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Detect Vidar Stealer

      stealer

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

      stealerlumma

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Downloads MZ/PE file

    • 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