Overview

overview

10

Static

static

1

37ce5ea24b...a7.exe

windows7-x64

1

37ce5ea24b...a7.exe

windows10-2004-x64

10

Resubmissions

02-04-2023 15:22

230402-srycjsha39 10

02-04-2023 14:33

230402-rw1sssab3t 10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7

  • Size

    751KB

  • Sample

    230402-srycjsha39

  • MD5

    a7232495cefcbd35aece550e9cb57be2

  • SHA1

    8348c90f7d9faef12b2acea0741932d9dabdf83b

  • SHA256

    37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7

  • SHA512

    cada31ba1a8414d2c861aad47d9cd4e51bb1d73cfb91589c1c1378b7eec130a1bfdefb11a2c2059f6c9e6afe6bca759e297c853989e082cb70f385e822c92a7a

  • SSDEEP

    12288:PZv3GWL91nJXTgmNubakPfzN8jgWASRmVAeTGmAmQtHFWvqF2ti//cVfbAGKtGt:5GWR19TgmHoN8jghSoTTGmALtlkqAkC1

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .nifr

  • offline_id

    FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1

  • payload_url

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

    http://zexeq.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-v8HcfXTy5x 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: 0679SUjhw

rsa_pubkey.plain

Targets

    • Target

      37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7

    • Size

      751KB

    • MD5

      a7232495cefcbd35aece550e9cb57be2

    • SHA1

      8348c90f7d9faef12b2acea0741932d9dabdf83b

    • SHA256

      37ce5ea24b58c00c1b647e306daf527eb48366a058ab4549186c5d04ce9c38a7

    • SHA512

      cada31ba1a8414d2c861aad47d9cd4e51bb1d73cfb91589c1c1378b7eec130a1bfdefb11a2c2059f6c9e6afe6bca759e297c853989e082cb70f385e822c92a7a

    • SSDEEP

      12288:PZv3GWL91nJXTgmNubakPfzN8jgWASRmVAeTGmAmQtHFWvqF2ti//cVfbAGKtGt:5GWR19TgmHoN8jghSoTTGmALtlkqAkC1

    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