General

  • Target

    76423c0da5d1aca1e737da17a2319250

  • Size

    758KB

  • Sample

    240126-dx5aqaecfr

  • MD5

    76423c0da5d1aca1e737da17a2319250

  • SHA1

    283a5e8ca8c196920b80d6353a1789b205992a8e

  • SHA256

    a11ffacad8ded4ac1f3e634d9cdcdda320d075cc6b2e71819958399ddd34b15c

  • SHA512

    a0b2fac294e914f1a0c17b4e60daa997d4f6fa5ecf527774ba6c9277ffb09e6510745c9a68cdf044cca62bd3d84944d4c50f641c4360b752e7bdafa536c3a49f

  • SSDEEP

    12288:yYyNIBTERFiRGWo/V4l8Jv2kpXCVFiialb09S4Ykp6ZuyBhQxXARwoOtnzM:yIBTJGr4029XVaZ09Nhp6ZuyBexX2Anz

Malware Config

Extracted

Family

djvu

C2

http://astdg.top/fhsgtsspen6/get.php

Attributes
  • extension

    .nooa

  • offline_id

    PLtnD1U6oAmgxgJ2nJik1mY9SwUQg07CiN0zSet1

  • payload_url

    http://securebiz.org/dl/build2.exe

    http://astdg.top/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-CnI3tI6Ktv 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: 0322gDrgo

rsa_pubkey.plain

Targets

    • Target

      76423c0da5d1aca1e737da17a2319250

    • Size

      758KB

    • MD5

      76423c0da5d1aca1e737da17a2319250

    • SHA1

      283a5e8ca8c196920b80d6353a1789b205992a8e

    • SHA256

      a11ffacad8ded4ac1f3e634d9cdcdda320d075cc6b2e71819958399ddd34b15c

    • SHA512

      a0b2fac294e914f1a0c17b4e60daa997d4f6fa5ecf527774ba6c9277ffb09e6510745c9a68cdf044cca62bd3d84944d4c50f641c4360b752e7bdafa536c3a49f

    • SSDEEP

      12288:yYyNIBTERFiRGWo/V4l8Jv2kpXCVFiialb09S4Ykp6ZuyBhQxXARwoOtnzM:yIBTJGr4029XVaZ09Nhp6ZuyBexX2Anz

    • 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 Enterprise v15

Tasks