Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Sharing

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General

  • Target

    ad77f5ec3c9dfee928926d4eda4577ceccd3cdef707a198e46bdd654caa7ecbb

  • Size

    726KB

  • Sample

    240201-fk4jrsdfgl

  • MD5

    61c4d9f394531ddcfc3189c3da7589d7

  • SHA1

    4df7149dc944eb928cfc81b73df456bd730ec77d

  • SHA256

    ad77f5ec3c9dfee928926d4eda4577ceccd3cdef707a198e46bdd654caa7ecbb

  • SHA512

    df9b67d73a3e327d6d0b60efda8844e92bec85da2273a0489e74b34039b361014a7a49bbbdd8a901e85e06dba83ee3bc08306751ff6d60a09e52fa87bbfd4f80

  • SSDEEP

    12288:ihXRwaswqCwg3AOXbNLItSgrZgu8jCrbg9XIrV/Nxb36YQDDv:CRwaswq4wOrNLIHbSIrV/j3Kv

Score
10/10
djvuvidar1b9d7ec5a25ab9d78c31777a0016a097discoverypersistenceransomwarestealer

Malware Config

Extracted

Family

djvu

C2

http://habrafa.com/test1/get.php

Attributes
  • extension

    .cdcc

  • offline_id

    LBxKKiegnAy53rpqH3Pj2j46vwldiEt9kqHSuMt1

  • 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. You can get and look video overview decrypt tool: https://we.tl/t-iVcrVFVRqu Price of private key and decrypt software is $1999. Discount 50% available if you contact us first 72 hours, that's price for you is $999. 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: 0846ASdw

rsa_pubkey.plain

Extracted

Family

vidar

Version

7.6

Botnet

1b9d7ec5a25ab9d78c31777a0016a097

C2

https://t.me/tvrugrats

https://steamcommunity.com/profiles/76561199627279110
Attributes
  • profile_id_v2

    1b9d7ec5a25ab9d78c31777a0016a097

Targets

    • Target

      ad77f5ec3c9dfee928926d4eda4577ceccd3cdef707a198e46bdd654caa7ecbb

    • Size

      726KB

    • MD5

      61c4d9f394531ddcfc3189c3da7589d7

    • SHA1

      4df7149dc944eb928cfc81b73df456bd730ec77d

    • SHA256

      ad77f5ec3c9dfee928926d4eda4577ceccd3cdef707a198e46bdd654caa7ecbb

    • SHA512

      df9b67d73a3e327d6d0b60efda8844e92bec85da2273a0489e74b34039b361014a7a49bbbdd8a901e85e06dba83ee3bc08306751ff6d60a09e52fa87bbfd4f80

    • SSDEEP

      12288:ihXRwaswqCwg3AOXbNLItSgrZgu8jCrbg9XIrV/Nxb36YQDDv:CRwaswq4wOrNLIHbSIrV/j3Kv

    Score
    10/10
    djvuvidar1b9d7ec5a25ab9d78c31777a0016a097discoverypersistenceransomwarestealer

    • Detect Vidar Stealer

      stealer

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Downloads MZ/PE file

    • 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