General

  • Target

    0b069b50514b5f9be04bb0d591c9df23539264f6abcbb63fd05e41795b1a34a5

  • Size

    706KB

  • Sample

    221124-hnfcfsab8w

  • MD5

    568c47909d97b3e9025ce5649735f54c

  • SHA1

    0cd725e4c902016fb6845d38419a7f8cd9a0a483

  • SHA256

    0b069b50514b5f9be04bb0d591c9df23539264f6abcbb63fd05e41795b1a34a5

  • SHA512

    4b139e76265d3c5dac48dea9b99b72729e4cf38f19585235e3a900d7b3ceb72d11334051cbb67af342de85a4a0d2018089721220cd1f3b527ca8bde8d7d17fb5

  • SSDEEP

    12288:8Fr0tMdnoqiIQSS7qX+BnxIdhwQScRKUQzfWVChzFhT9WofQsd6P:8RxnoqrZS7g+BQG85t8RL9WwQe6P

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .tcvp

  • offline_id

    JBPpFMvWlKMsKlJRmPJl5e09RSnYrRJya1oX8xt1

  • payload_url

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

    http://fresherlights.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-bpYXr2m3kI 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: 0604Jhyjd

rsa_pubkey.plain

Targets

    • Target

      0b069b50514b5f9be04bb0d591c9df23539264f6abcbb63fd05e41795b1a34a5

    • Size

      706KB

    • MD5

      568c47909d97b3e9025ce5649735f54c

    • SHA1

      0cd725e4c902016fb6845d38419a7f8cd9a0a483

    • SHA256

      0b069b50514b5f9be04bb0d591c9df23539264f6abcbb63fd05e41795b1a34a5

    • SHA512

      4b139e76265d3c5dac48dea9b99b72729e4cf38f19585235e3a900d7b3ceb72d11334051cbb67af342de85a4a0d2018089721220cd1f3b527ca8bde8d7d17fb5

    • SSDEEP

      12288:8Fr0tMdnoqiIQSS7qX+BnxIdhwQScRKUQzfWVChzFhT9WofQsd6P:8RxnoqrZS7g+BQG85t8RL9WwQe6P

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Modifies file permissions

    • Adds Run key to start application

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks