General

  • Target

    fadf10b3ec4fd1bdc37866d4c5d2a9816d2a7541bc213ed0a123cb427ddbd581

  • Size

    832KB

  • Sample

    240114-2egcyaeda7

  • MD5

    7e0c3507ccd7fa02823e5158f26b9fea

  • SHA1

    308ce97fd7585c6623346a5c5623c5b441f79b62

  • SHA256

    fadf10b3ec4fd1bdc37866d4c5d2a9816d2a7541bc213ed0a123cb427ddbd581

  • SHA512

    80f90eb5451c0d79f13d7db44683bcb349b0daa604b8ee280833d84acd1f99e3b17dde3ff68617c48fe2032040bba2fefff0e3c69b540542fc9600da7d3f894c

  • SSDEEP

    12288:zBOvaA3lBcw8byxsNCESC58EFt7laSdyf6jiwGbF8lpKeAJMOib4MJ:QH36vAS53lh0yjitJ3eAJ/iMO

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .cdwe

  • offline_id

    dSwr1XNNi5cIitB5eDPbMANcusB1dWGDB8ToUnt1

  • payload_url

    http://brusuax.com/dl/build2.exe

    http://zexeq.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-e21iz7dS58 Price of private key and decrypt software is $1999. Discount 50% available if you contact us first 72 hours, that's price for you is $999. 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: 0842ASdw

rsa_pubkey.plain

Targets

    • Target

      fadf10b3ec4fd1bdc37866d4c5d2a9816d2a7541bc213ed0a123cb427ddbd581

    • Size

      832KB

    • MD5

      7e0c3507ccd7fa02823e5158f26b9fea

    • SHA1

      308ce97fd7585c6623346a5c5623c5b441f79b62

    • SHA256

      fadf10b3ec4fd1bdc37866d4c5d2a9816d2a7541bc213ed0a123cb427ddbd581

    • SHA512

      80f90eb5451c0d79f13d7db44683bcb349b0daa604b8ee280833d84acd1f99e3b17dde3ff68617c48fe2032040bba2fefff0e3c69b540542fc9600da7d3f894c

    • SSDEEP

      12288:zBOvaA3lBcw8byxsNCESC58EFt7laSdyf6jiwGbF8lpKeAJMOib4MJ:QH36vAS53lh0yjitJ3eAJ/iMO

    • Detect Vidar Stealer

    • 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

    • Loads dropped DLL

    • 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