Overview

overview

10

Static

static

malware_sm...51.exe

windows7-x64

10

malware_sm...51.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    malware_smoke_3563557651

  • Size

    813KB

  • Sample

    221004-g67c8afeh2

  • MD5

    fccef720e97eebf497b8bfac1fc98eea

  • SHA1

    874ac6ba51fcd0a86c44d16275a4071673b31c8f

  • SHA256

    c50333b937de4f6b0a54051190816f3ac67de9bffb346261c856453d7a32d2a1

  • SHA512

    780dcdb8a893eb2603627b41304dabbf308118b920a32f017f6bb0929a8279208ded09e40df22c2091251346a8bf42c8f7a2e538877d04555ec6d030d42ef4ac

  • SSDEEP

    12288:Ceq1WAzXXQ9kSutvYJDU9FvqaMxNJWLs5au+DUGL+PM1at29dgH84V0hegE:bEX2d6H3SrLWLyPGqPM1l9d484G3

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes
  • extension

    .iiof

  • offline_id

    rpx4UUTYZiAR5omq187UvM233jloVHyJUkA8s3t1

  • payload_url

    http://zerit.top/dl/build2.exe

    http://fuyt.org/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-hsmBOFHh66 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: 0410Jsfkjn

rsa_pubkey.plain

Targets

    • Target

      malware_smoke_3563557651

    • Size

      813KB

    • MD5

      fccef720e97eebf497b8bfac1fc98eea

    • SHA1

      874ac6ba51fcd0a86c44d16275a4071673b31c8f

    • SHA256

      c50333b937de4f6b0a54051190816f3ac67de9bffb346261c856453d7a32d2a1

    • SHA512

      780dcdb8a893eb2603627b41304dabbf308118b920a32f017f6bb0929a8279208ded09e40df22c2091251346a8bf42c8f7a2e538877d04555ec6d030d42ef4ac

    • SSDEEP

      12288:Ceq1WAzXXQ9kSutvYJDU9FvqaMxNJWLs5au+DUGL+PM1at29dgH84V0hegE:bEX2d6H3SrLWLyPGqPM1l9d484G3

    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 v6

Tasks