Overview

overview

10

Static

static

3

4278a2a61c...33.exe

windows7-x64

10

4278a2a61c...33.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4278a2a61c7b33215af1e8e06bb2ea8d2461f8ecac61031d737a5914fd1e0b33

  • Size

    736KB

  • Sample

    240409-h1hncace61

  • MD5

    6e3610259fc6eedbd8b27e21cbcef0a1

  • SHA1

    9255258a60d520039a9177e814e4b13c46484f55

  • SHA256

    4278a2a61c7b33215af1e8e06bb2ea8d2461f8ecac61031d737a5914fd1e0b33

  • SHA512

    b91c1f7c61cd38fa7542c45764217f375be848b4787d0272c67ec5cda442985882f7c673c078bb650b6cd06e95e4e720028d0495ebb73351ea7f9a7283c620dc

  • SSDEEP

    12288:rRykQVJq/Zja+Bx1j1Rn7OEV4jfHJ1uYakQkOotQHQZ1nuBguLOds4CaG7C:rRykQVJiZ+E11JHVYHXuYakQkOqMu1uL

Score
10/10
djvumylobotbotnetdiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/test1/get.php

Attributes
  • extension

    .ckae

  • offline_id

    ZVvfVW8wxnrSMj135EIm8D19e1REmIMChpeQi7t1

  • payload_url

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

    http://fuyt.org/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-XG8CpMbJwj 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: 0397Jsfkjn

rsa_pubkey.plain

Extracted

Family

mylobot

C2

pqrqtaz.ru:9879

pickcas.ru:6464

quwkbin.ru:3496

rkbupij.ru:6653

pcqmayq.ru:3629

mmuliwe.ru:3541

stoizji.ru:5189

sfdfrhh.ru:3511

ynciazz.ru:4127

mkglhnw.ru:1946

njeeili.ru:9987

dldzeoo.ru:7525

tkbiqjq.ru:5145

uenosbl.ru:2935

faayshc.ru:9865

nttfazc.ru:6761

nfwsyog.ru:7172

uyfusxm.ru:7372

hxkclwx.ru:1294

zgoysam.ru:2338

Targets

    • Target

      4278a2a61c7b33215af1e8e06bb2ea8d2461f8ecac61031d737a5914fd1e0b33

    • Size

      736KB

    • MD5

      6e3610259fc6eedbd8b27e21cbcef0a1

    • SHA1

      9255258a60d520039a9177e814e4b13c46484f55

    • SHA256

      4278a2a61c7b33215af1e8e06bb2ea8d2461f8ecac61031d737a5914fd1e0b33

    • SHA512

      b91c1f7c61cd38fa7542c45764217f375be848b4787d0272c67ec5cda442985882f7c673c078bb650b6cd06e95e4e720028d0495ebb73351ea7f9a7283c620dc

    • SSDEEP

      12288:rRykQVJq/Zja+Bx1j1Rn7OEV4jfHJ1uYakQkOotQHQZ1nuBguLOds4CaG7C:rRykQVJiZ+E11JHVYHXuYakQkOqMu1uL

    Score
    10/10
    djvumylobotbotnetdiscoverypersistenceransomware

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Mylobot

      Botnet which first appeared in 2017 written in C++.

      botnetmylobot

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks