Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

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General

  • Target

    7d3e95b6a2e01f850731979147022e4d2214e6dc568ca649849dfb274e85d2d2

  • Size

    825KB

  • Sample

    240504-r83sxsbh65

  • MD5

    25acd4f57ba6895330f3a188d13681d2

  • SHA1

    924ae83f6b7be8335d250decaf6adb123f965717

  • SHA256

    7d3e95b6a2e01f850731979147022e4d2214e6dc568ca649849dfb274e85d2d2

  • SHA512

    02065404e36de30ecac0715dd5eb62957a3c7f44f4d5833d5b7dca683de216692cff72df8590ea672d22869af135ff3642d6d6613e92b0d34c25fb6705223291

  • SSDEEP

    24576:hj4jjEmyR7ogjxWblbhAjaE/EGoX990Kp2:ajAmkjxunAOERUY

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .qepi

  • offline_id

    jgILOjDrBgyzY4JmT3B2jDSyBmDPBruKk8bKs6t1

  • payload_url

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

    http://cajgtus.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/665ddae3fc3cd10bbaaa4350408b196920240504141005/4cae7e 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: 0867PsawqS

rsa_pubkey.plain

Targets

    • Target

      7d3e95b6a2e01f850731979147022e4d2214e6dc568ca649849dfb274e85d2d2

    • Size

      825KB

    • MD5

      25acd4f57ba6895330f3a188d13681d2

    • SHA1

      924ae83f6b7be8335d250decaf6adb123f965717

    • SHA256

      7d3e95b6a2e01f850731979147022e4d2214e6dc568ca649849dfb274e85d2d2

    • SHA512

      02065404e36de30ecac0715dd5eb62957a3c7f44f4d5833d5b7dca683de216692cff72df8590ea672d22869af135ff3642d6d6613e92b0d34c25fb6705223291

    • SSDEEP

      24576:hj4jjEmyR7ogjxWblbhAjaE/EGoX990Kp2:ajAmkjxunAOERUY

    Score
    10/10
    djvudiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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