Overview

overview

10

Static

static

3

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Sharing

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General

  • Target

    268683767d087dbccfefd69090974504206ad7eec6ebd53057de93d311e0c1ed

  • Size

    731KB

  • Sample

    240212-fgk81sdc63

  • MD5

    83ce39fc64b7498fa21626dee972db50

  • SHA1

    d3254d48ac2db5648a467ad7b5c7ebc573c79650

  • SHA256

    268683767d087dbccfefd69090974504206ad7eec6ebd53057de93d311e0c1ed

  • SHA512

    bc9619963216728ed44c871606cf7bf938d25b699e62dac251abeea7c6c42214bbae44cf76af1470c5347869d8d1418f9550c1c7e127d54a14d58364372f0564

  • SSDEEP

    12288:EAVA7bYptN8Sb76tLwFD4YbJte6vLmy2VZeHki0CwPsMWL2oeyNV8Cvqcq9+Rw:EA41y6tEV4AzSyuZKkTCw0MWcUVvvrRw

Score
10/10
djvuvidar655507914130aa0fe72362726c206a7cdiscoverypersistenceransomwarestealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .ldhy

  • offline_id

    pIGzEr0bxHiTz7xnvNidWeqzKkxMfVdHTyCkzwt1

  • 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. 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://we.tl/t-hPAqznkJKD 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: support@freshingmail.top Reserve e-mail address to contact us: datarestorehelpyou@airmail.cc Your personal ID: 0849ASdw

rsa_pubkey.plain

Extracted

Family

vidar

Version

7.7

Botnet

655507914130aa0fe72362726c206a7c

C2

https://t.me/newagev

https://steamcommunity.com/profiles/76561199631487327
Attributes
  • profile_id_v2

    655507914130aa0fe72362726c206a7c

Targets

    • Target

      268683767d087dbccfefd69090974504206ad7eec6ebd53057de93d311e0c1ed

    • Size

      731KB

    • MD5

      83ce39fc64b7498fa21626dee972db50

    • SHA1

      d3254d48ac2db5648a467ad7b5c7ebc573c79650

    • SHA256

      268683767d087dbccfefd69090974504206ad7eec6ebd53057de93d311e0c1ed

    • SHA512

      bc9619963216728ed44c871606cf7bf938d25b699e62dac251abeea7c6c42214bbae44cf76af1470c5347869d8d1418f9550c1c7e127d54a14d58364372f0564

    • SSDEEP

      12288:EAVA7bYptN8Sb76tLwFD4YbJte6vLmy2VZeHki0CwPsMWL2oeyNV8Cvqcq9+Rw:EA41y6tEV4AzSyuZKkTCw0MWcUVvvrRw

    Score
    10/10
    djvuvidar655507914130aa0fe72362726c206a7cdiscoverypersistenceransomwarestealer

    • 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 Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks