General

  • Target

    33b66eecf301a4bd47d2506a85f4662c9c1ee8d146b4a48766fe9ae978812b01

  • Size

    797KB

  • Sample

    240523-s53t7agb76

  • MD5

    ee7a294a9688bbe8a98117b296af3171

  • SHA1

    3298b9e14d9cec8a7155605315df20594ee152f1

  • SHA256

    33b66eecf301a4bd47d2506a85f4662c9c1ee8d146b4a48766fe9ae978812b01

  • SHA512

    e7a2bdb98ea79d856bf9e1d92960891de51530a86f9f5a1312063b911a91f69e894285183f5b7b1334c15650363d48a6976b20846fde19350c08dcc35405697e

  • SSDEEP

    12288:Ud2rnaFF0ZORZwZ+dGMiSdrft8MVad9M8CLVdPHg9E8Eo7c1M:UdosD37MMiSNF8MV49sdI9qog1

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .vehu

  • offline_id

    EGfa5svnSGFJka7LZBQoqff0QtO1IpTauoDvGvt1

  • 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/33b490a613f49fa190924f199d2c079e20240512191214/caaf73 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: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0872PsawqS

rsa_pubkey.plain

Targets

    • Target

      33b66eecf301a4bd47d2506a85f4662c9c1ee8d146b4a48766fe9ae978812b01

    • Size

      797KB

    • MD5

      ee7a294a9688bbe8a98117b296af3171

    • SHA1

      3298b9e14d9cec8a7155605315df20594ee152f1

    • SHA256

      33b66eecf301a4bd47d2506a85f4662c9c1ee8d146b4a48766fe9ae978812b01

    • SHA512

      e7a2bdb98ea79d856bf9e1d92960891de51530a86f9f5a1312063b911a91f69e894285183f5b7b1334c15650363d48a6976b20846fde19350c08dcc35405697e

    • SSDEEP

      12288:Ud2rnaFF0ZORZwZ+dGMiSdrft8MVad9M8CLVdPHg9E8Eo7c1M:UdosD37MMiSNF8MV49sdI9qog1

    • 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 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

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks