General

  • Target

    6b6ef23a0bbdbde7bfedbf7aa0b3a66c31dd406282eb96d6c3dd1d6a3a95b571

  • Size

    716KB

  • Sample

    240525-ft93xafd5y

  • MD5

    45e29541b72d9b115a74d1fed6354afb

  • SHA1

    92dcda655abeaa19d042116bdcc5ba58151ee640

  • SHA256

    6b6ef23a0bbdbde7bfedbf7aa0b3a66c31dd406282eb96d6c3dd1d6a3a95b571

  • SHA512

    299aa6ac2fdc35cc8a1a655af27558cfa13a4e5018a8c8d390b6ca024821fd93ee5ac64fed5f8b9ff28b1649203f552b6868c5131ee5970d1e3cb883e7a5a0cb

  • SSDEEP

    12288:EL5gGXNQfNc/deHhygHrS0kv00iKHauiDsPmyr20xLpgb8BN3pt9iaFNVRa:ELTGKQpS0kvygaucsPmyr2whddXja

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

      6b6ef23a0bbdbde7bfedbf7aa0b3a66c31dd406282eb96d6c3dd1d6a3a95b571

    • Size

      716KB

    • MD5

      45e29541b72d9b115a74d1fed6354afb

    • SHA1

      92dcda655abeaa19d042116bdcc5ba58151ee640

    • SHA256

      6b6ef23a0bbdbde7bfedbf7aa0b3a66c31dd406282eb96d6c3dd1d6a3a95b571

    • SHA512

      299aa6ac2fdc35cc8a1a655af27558cfa13a4e5018a8c8d390b6ca024821fd93ee5ac64fed5f8b9ff28b1649203f552b6868c5131ee5970d1e3cb883e7a5a0cb

    • SSDEEP

      12288:EL5gGXNQfNc/deHhygHrS0kv00iKHauiDsPmyr20xLpgb8BN3pt9iaFNVRa:ELTGKQpS0kvygaucsPmyr2whddXja

    • 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