General

  • Target

    5aff6e9d206328c4a7522654270172879a42ba122128e25a5283db1d3c426236

  • Size

    733KB

  • Sample

    240525-xvgw7afc73

  • MD5

    a230bc33c976e62f89be6738a114cba5

  • SHA1

    3518ac087264deb96cce6227388df0e646261f41

  • SHA256

    5aff6e9d206328c4a7522654270172879a42ba122128e25a5283db1d3c426236

  • SHA512

    1aa036717884f4ae84ad4c76e8d6c5853d5c49658f032d82922e0b151a9f30febc9051ba65f48bb64cceb6299039243be437b7ccff2b22c24d1d0814f61d17dc

  • SSDEEP

    12288:gPZRU01GBVNXYtiOAbaKK/zi6OouFam/UxjwaSU0yR2K6CXYXviVgmaa:gPk4GBVNnOAWpOou3AXr6C06emn

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

      5aff6e9d206328c4a7522654270172879a42ba122128e25a5283db1d3c426236

    • Size

      733KB

    • MD5

      a230bc33c976e62f89be6738a114cba5

    • SHA1

      3518ac087264deb96cce6227388df0e646261f41

    • SHA256

      5aff6e9d206328c4a7522654270172879a42ba122128e25a5283db1d3c426236

    • SHA512

      1aa036717884f4ae84ad4c76e8d6c5853d5c49658f032d82922e0b151a9f30febc9051ba65f48bb64cceb6299039243be437b7ccff2b22c24d1d0814f61d17dc

    • SSDEEP

      12288:gPZRU01GBVNXYtiOAbaKK/zi6OouFam/UxjwaSU0yR2K6CXYXviVgmaa:gPk4GBVNnOAWpOou3AXr6C06emn

    • 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