Overview

overview

10

Static

static

3

82C4.exe

windows7-x64

10

82C4.exe

windows10-2004-x64

10

Resubmissions

21-09-2024 16:40

240921-t6s7tasfpl 10

21-09-2024 16:37

240921-t46ecssfjj 10

21-09-2024 12:12

240921-pdcbda1fkd 10

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General

  • Target

    82C4.exe

  • Size

    768KB

  • Sample

    240921-t6s7tasfpl

  • MD5

    663a7ee6f23102380056645ded592075

  • SHA1

    42f7de8be635ed37f91c289a81e71bc67139adb9

  • SHA256

    2f9c6d06d25dfea43bb52e9b81df3dd3ebdef5d066573494598e77c450937e8f

  • SHA512

    9d4e890505ccda9a0b3cd971598153c1e33be481d10c1133851f621fc4aad148554977b3162d36cb97759fde5603cfebf7876ad39199eee0519ecd3b1f857d09

  • SSDEEP

    12288:wyEfg9+yzz81R9K4UW/ug6nkYxMDoG8AGjn6PkRnTFXD1l9e8k7phRuHH8n4p:IQmQ43/rYE8vdnTFRU6H84

Score
10/10
djvudiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://rlrz.org/fhsgtsspen6/get.php

Attributes
  • extension

    .nqsq

  • offline_id

    OGykROpbgxJhrG1qc9yB9PwnsSv1Eo04vOCP0rt1

  • payload_url

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

    http://rlrz.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-O1iz3esfm2 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: 0337gSd743d

rsa_pubkey.plain

Targets

    • Target

      82C4.exe

    • Size

      768KB

    • MD5

      663a7ee6f23102380056645ded592075

    • SHA1

      42f7de8be635ed37f91c289a81e71bc67139adb9

    • SHA256

      2f9c6d06d25dfea43bb52e9b81df3dd3ebdef5d066573494598e77c450937e8f

    • SHA512

      9d4e890505ccda9a0b3cd971598153c1e33be481d10c1133851f621fc4aad148554977b3162d36cb97759fde5603cfebf7876ad39199eee0519ecd3b1f857d09

    • SSDEEP

      12288:wyEfg9+yzz81R9K4UW/ug6nkYxMDoG8AGjn6PkRnTFXD1l9e8k7phRuHH8n4p:IQmQ43/rYE8vdnTFRU6H84

    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