Overview

overview

10

Static

static

3

ca4120301f...55.exe

windows7-x64

10

ca4120301f...55.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ca4120301ffc74c815e99aba3ad78655

  • Size

    838KB

  • Sample

    240315-cyr64sed2v

  • MD5

    ca4120301ffc74c815e99aba3ad78655

  • SHA1

    fb5f9b45d563d86028259a4a5df45d2d1a991ef7

  • SHA256

    45733f732df30c20bdc95a802a30d1c1653661fbe6442c229f4a39cc0465ada4

  • SHA512

    281962ebe1e95a9001d6241cfda4b529b3d4204679ba7bc0ca3dcaf36074cd3e2d8e1d9225cb109f03fd0caed10f68592e2aa638c6db7d40bd1d319355751290

  • SSDEEP

    12288:nQVHXDy9U1nKUglcTNLL2pgVHEbksRWDST5FZFWbbLnQjXg7RDD1XpSUa2+Isbya:QZzy9+hLLnrifZg8jXCDmUlob9z

Score
10/10
djvumylobotbotnetdiscoverypersistenceransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .reqg

  • offline_id

    ioYmb0jtMMtue7xjmkS3WQWGWLR8FTQhb2giQtt1

  • 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-jTbSQT8ApY 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: 0324gDrgo

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

      ca4120301ffc74c815e99aba3ad78655

    • Size

      838KB

    • MD5

      ca4120301ffc74c815e99aba3ad78655

    • SHA1

      fb5f9b45d563d86028259a4a5df45d2d1a991ef7

    • SHA256

      45733f732df30c20bdc95a802a30d1c1653661fbe6442c229f4a39cc0465ada4

    • SHA512

      281962ebe1e95a9001d6241cfda4b529b3d4204679ba7bc0ca3dcaf36074cd3e2d8e1d9225cb109f03fd0caed10f68592e2aa638c6db7d40bd1d319355751290

    • SSDEEP

      12288:nQVHXDy9U1nKUglcTNLL2pgVHEbksRWDST5FZFWbbLnQjXg7RDD1XpSUa2+Isbya:QZzy9+hLLnrifZg8jXCDmUlob9z

    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