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Overview

overview

10

Static

static

3

b6e0b3fdd0...e5.exe

windows7-x64

10

b6e0b3fdd0...e5.exe

windows10-2004-x64

10

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General

  • Target

    b6e0b3fdd03c8e6da4709362e6c1dc95e5af4443a5bb6335ab848c1f26c0bee5

  • Size

    732KB

  • Sample

    240306-jh57csec61

  • MD5

    ca106182fc4543131ef128b77f57c70a

  • SHA1

    26d5069dfabecd28077365ecdb2704a621527c96

  • SHA256

    b6e0b3fdd03c8e6da4709362e6c1dc95e5af4443a5bb6335ab848c1f26c0bee5

  • SHA512

    04f911af74389114301acc580e6041f6350df4eceb1ad6dc6034bef75d388581391c37d83847adc61a8b83e9b68b72f17e2d1f2b4a185bc7efd2b03d92daba4f

  • SSDEEP

    12288:2L2LS6hjiwI975M/yK2YdeY0M2DbnRsN82298kZaZvmaifZSKANOx+D:2L2xn/yXNY0M0Vl6v1wZkNO0

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .cdpo

  • offline_id

    Bn3q97hwLouKbhkQRNO4SeV07gjdEQVm8NKhg0t1

  • 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-FCWSCsjEWS 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: 0844OSkw

rsa_pubkey.plain

Targets

    • Target

      b6e0b3fdd03c8e6da4709362e6c1dc95e5af4443a5bb6335ab848c1f26c0bee5

    • Size

      732KB

    • MD5

      ca106182fc4543131ef128b77f57c70a

    • SHA1

      26d5069dfabecd28077365ecdb2704a621527c96

    • SHA256

      b6e0b3fdd03c8e6da4709362e6c1dc95e5af4443a5bb6335ab848c1f26c0bee5

    • SHA512

      04f911af74389114301acc580e6041f6350df4eceb1ad6dc6034bef75d388581391c37d83847adc61a8b83e9b68b72f17e2d1f2b4a185bc7efd2b03d92daba4f

    • SSDEEP

      12288:2L2LS6hjiwI975M/yK2YdeY0M2DbnRsN82298kZaZvmaifZSKANOx+D:2L2xn/yXNY0M0Vl6v1wZkNO0

    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