General

  • Target

    c956cc500363bf1c75db1dcb4088f5145438cd7f2687e2d7d504f8fe4d8d693f

  • Size

    751KB

  • Sample

    240425-2c5bzsga2x

  • MD5

    a7a2d00c9c52d5b3687c4316a5ee67be

  • SHA1

    0a1bf7d283320fb9416e6cc60011bf2058249d93

  • SHA256

    c956cc500363bf1c75db1dcb4088f5145438cd7f2687e2d7d504f8fe4d8d693f

  • SHA512

    0a6a6cdba593e2f74b11ff2b9412b1218fec673779da862ccc886fbbb9430b54618eaef5aaa88da5d5a53b2bddf9296b15e6f36e15771acf216a61496be71636

  • SSDEEP

    12288:jd+8zJ6wTm6I9ML4eNA0+Rf0aftj7NLZadzYJ04QALAxBmr0GrnttB9ZBBHH:jd3pmvq7NA0+Pfl7NFadzu04QqA7mr0e

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .bgjs

  • offline_id

    Z6iwSvCoAt8T8K2ROxecuXHPNHv7eDyWrc8Ks7t1

  • payload_url

    http://sdfjhuz.com/dl/build2.exe

    http://cajgtus.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. Do not ask assistants from youtube and recovery data sites for help in recovering your data. They can use your free decryption quota and scam you. Our contact is emails in this text document only. You can get and look video overview decrypt tool: https://wetransfer.com/downloads/54cdfd152fe98eedb628a1f4ddb7076420240421150208/403a27 Price of private key and decrypt software is $999. Discount 50% available if you contact us first 72 hours, that's price for you is $499. 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: support@freshingmail.top Reserve e-mail address to contact us: datarestorehelpyou@airmail.cc Your personal ID: 0863PsawqS

rsa_pubkey.plain

Targets

    • Target

      c956cc500363bf1c75db1dcb4088f5145438cd7f2687e2d7d504f8fe4d8d693f

    • Size

      751KB

    • MD5

      a7a2d00c9c52d5b3687c4316a5ee67be

    • SHA1

      0a1bf7d283320fb9416e6cc60011bf2058249d93

    • SHA256

      c956cc500363bf1c75db1dcb4088f5145438cd7f2687e2d7d504f8fe4d8d693f

    • SHA512

      0a6a6cdba593e2f74b11ff2b9412b1218fec673779da862ccc886fbbb9430b54618eaef5aaa88da5d5a53b2bddf9296b15e6f36e15771acf216a61496be71636

    • SSDEEP

      12288:jd+8zJ6wTm6I9ML4eNA0+Rf0aftj7NLZadzYJ04QALAxBmr0GrnttB9ZBBHH:jd3pmvq7NA0+Pfl7NFadzu04QqA7mr0e

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • 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 v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

File and Directory Permissions Modification

1
T1222

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Discovery

System Information Discovery

1
T1082

Tasks