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Overview

overview

10

Static

static

3

cryptolaemus

windows10-2004-x64

10

cryptolaemus

windows11-21h2-x64

10

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General

  • Target

    11787248543667fdcd0be279b136dcea5485b1bdffde066975921a268a1e675c

  • Size

    744KB

  • Sample

    240511-1j7v1sad9v

  • MD5

    b8aebc100a274c95d2c92c50f721d12e

  • SHA1

    c5d43041dd429e8af06dc3c6302cca915ff77cc0

  • SHA256

    11787248543667fdcd0be279b136dcea5485b1bdffde066975921a268a1e675c

  • SHA512

    f746f6606befa5b5c510d99f4815e2dc26b45701ee32eea14f4498542216f112000d2e35a8ac1a727cffa21abd91f7c49be0b9d5b654a8f5311096e7ba386d50

  • SSDEEP

    12288:5VPXOr5lH8F6Ls1bAJW5axYRy9bC9ooXo6Xiak3OUiPMkdUv+:HPSKbJ5axYYgN7il+UZaUv+

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://cajgtus.com/test2/get.php

Attributes
  • extension

    .qehu

  • 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: 0868PsawqS

rsa_pubkey.plain

Targets

    • Target

      11787248543667fdcd0be279b136dcea5485b1bdffde066975921a268a1e675c

    • Size

      744KB

    • MD5

      b8aebc100a274c95d2c92c50f721d12e

    • SHA1

      c5d43041dd429e8af06dc3c6302cca915ff77cc0

    • SHA256

      11787248543667fdcd0be279b136dcea5485b1bdffde066975921a268a1e675c

    • SHA512

      f746f6606befa5b5c510d99f4815e2dc26b45701ee32eea14f4498542216f112000d2e35a8ac1a727cffa21abd91f7c49be0b9d5b654a8f5311096e7ba386d50

    • SSDEEP

      12288:5VPXOr5lH8F6Ls1bAJW5axYRy9bC9ooXo6Xiak3OUiPMkdUv+:HPSKbJ5axYYgN7il+UZaUv+

    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