Overview

overview

10

Static

static

uHcDbRsDzJ.exe

windows7_x64

10

uHcDbRsDzJ.exe

windows10_x64

10

Sharing

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General

  • Target

    uHcDbRsDzJ.exe

  • Size

    803KB

  • Sample

    211022-jdfqxacbcr

  • MD5

    cf2467247db1a11528b9a039efb97467

  • SHA1

    2542c4d56fcfb52722c9ac97924b13307f0c6ee6

  • SHA256

    2ed6f719782409ee53949c76c4eb116fdd6224f81461bdb8fdf9d7fa4336b752

  • SHA512

    90104b93603c78903a08564e841f0ca27ee1a710351cc96cc480ecd4489ecab758b784fb932393a3d453aa8208d3799f5f435e4227668f0cbdc7db15d364cf68

Score
10/10
djvuvidar517discoverypersistenceransomwarespywarestealersuricata

Malware Config

Extracted

Path

C:\_readme.txt

Family

djvu

Ransom Note
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-pk3SGFlmek 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: 0341gSd743dUF7tMILPhG9Pked0JbTh6yy2R8gRVPJkhiHtW6kq
URLs

https://we.tl/t-pk3SGFlmek

Extracted

Family

vidar

Version

41.5

Botnet

517

C2

https://mas.to/@xeroxxx

Attributes
  • profile_id

    517

Extracted

Family

djvu

C2

http://rlrz.org/lancer

Extracted

Path

C:\_readme.txt

Family

djvu

Ransom Note
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-pk3SGFlmek 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: 0341gSd743dbOv2SYyMt1QQk2YtWoA73mCSYVUdqKt6wU7yASwQ
URLs

https://we.tl/t-pk3SGFlmek

Targets

    • Target

      uHcDbRsDzJ.exe

    • Size

      803KB

    • MD5

      cf2467247db1a11528b9a039efb97467

    • SHA1

      2542c4d56fcfb52722c9ac97924b13307f0c6ee6

    • SHA256

      2ed6f719782409ee53949c76c4eb116fdd6224f81461bdb8fdf9d7fa4336b752

    • SHA512

      90104b93603c78903a08564e841f0ca27ee1a710351cc96cc480ecd4489ecab758b784fb932393a3d453aa8208d3799f5f435e4227668f0cbdc7db15d364cf68

    Score
    10/10
    djvuvidar517discoverypersistenceransomwarespywarestealersuricata

    • 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

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

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

      suricata

    • Vidar Stealer

      stealer

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • 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 Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

3
T1005

Exfiltration

Command and Control

Impact

Tasks