General

  • Target

    1f1497d0c93f4ac3e874c9ff27513f88c1e8747a434b7a1f739afc0033b1ffd9

  • Size

    704KB

  • Sample

    221130-y978csfd5x

  • MD5

    063638fe1bf14f54eaf16b97fb5c798d

  • SHA1

    770583c8c6f1f706fb0e9a97dc0b27b71ac329f7

  • SHA256

    1f1497d0c93f4ac3e874c9ff27513f88c1e8747a434b7a1f739afc0033b1ffd9

  • SHA512

    e9463c7081a1dd2a92b3f637eef3f7c8c96fd1af6386920e15b3c897c6e51fef022d551519aa5468def7e6d308667eae8235ccadccdc1bd50d7e3f5bace410bd

  • SSDEEP

    12288:0Meaf8G/r0j+bXEANmotAd6RBU7Whf67yVFUJ1jrY24rk/hxVUJ8/NbR:jEq0j+bULI96moJ13Y2R/hU

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .uyro

  • offline_id

    HtkmULXEgJoZa495hFUJlvKCD0OwnxklbkoITjt1

  • payload_url

    http://uaery.top/dl/build2.exe

    http://fresherlights.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. You can get and look video overview decrypt tool: https://we.tl/t-5UcwRdS3ED 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: 0609djfsieE

rsa_pubkey.plain

Extracted

Family

vidar

Version

56

Botnet

517

C2

https://t.me/asifrazatg

https://steamcommunity.com/profiles/76561199439929669

Attributes
  • profile_id

    517

Targets

    • Target

      1f1497d0c93f4ac3e874c9ff27513f88c1e8747a434b7a1f739afc0033b1ffd9

    • Size

      704KB

    • MD5

      063638fe1bf14f54eaf16b97fb5c798d

    • SHA1

      770583c8c6f1f706fb0e9a97dc0b27b71ac329f7

    • SHA256

      1f1497d0c93f4ac3e874c9ff27513f88c1e8747a434b7a1f739afc0033b1ffd9

    • SHA512

      e9463c7081a1dd2a92b3f637eef3f7c8c96fd1af6386920e15b3c897c6e51fef022d551519aa5468def7e6d308667eae8235ccadccdc1bd50d7e3f5bace410bd

    • SSDEEP

      12288:0Meaf8G/r0j+bXEANmotAd6RBU7Whf67yVFUJ1jrY24rk/hxVUJ8/NbR:jEq0j+bULI96moJ13Y2R/hU

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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 v6

Tasks