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Overview

overview

10

Static

static

3

NEAS.66145...JC.exe

windows7-x64

10

NEAS.66145...JC.exe

windows10-2004-x64

1

Sharing

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General

  • Target

    NEAS.661451a475de51170424dd742e46af00_JC.exe

  • Size

    680KB

  • Sample

    231102-z3mhrafg8s

  • MD5

    661451a475de51170424dd742e46af00

  • SHA1

    7d536fec1ed9ce0b28efb48c6886c29d0e7aa00d

  • SHA256

    a3e5c424a615e00436c18e4836d80f940bbd748f8163a5c32562fdef933044ef

  • SHA512

    b8bed8360c7d3db88a37b6c4adf25d557f2711206504e800694ad313c2fbe331a501eaeaeb11cf47224732614098d40b52e6bd42094c5d50158db9948ef1125a

  • SSDEEP

    12288:rMs3VobqtOpXzd/vMhbxPynTOkOpkW/j/D5Tgq01E60StKdkGgk5aza7hEPkM:rMANkVRsHPy+R/zxIu++gkMza7h4kM

Score
10/10
djvudiscoverypersistenceransomwarespywarestealer

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .zpas

  • offline_id

    OnB5BCsUkG8OhWvHL3Y0tNlfgHqdMG4puQsBzvt1

  • payload_url

    http://colisumy.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-cfHHerNTF6 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: 0812JOsie

rsa_pubkey.plain

Targets

    • Target

      NEAS.661451a475de51170424dd742e46af00_JC.exe

    • Size

      680KB

    • MD5

      661451a475de51170424dd742e46af00

    • SHA1

      7d536fec1ed9ce0b28efb48c6886c29d0e7aa00d

    • SHA256

      a3e5c424a615e00436c18e4836d80f940bbd748f8163a5c32562fdef933044ef

    • SHA512

      b8bed8360c7d3db88a37b6c4adf25d557f2711206504e800694ad313c2fbe331a501eaeaeb11cf47224732614098d40b52e6bd42094c5d50158db9948ef1125a

    • SSDEEP

      12288:rMs3VobqtOpXzd/vMhbxPynTOkOpkW/j/D5Tgq01E60StKdkGgk5aza7hEPkM:rMANkVRsHPy+R/zxIu++gkMza7h4kM

    Score
    10/10
    djvudiscoverypersistenceransomwarespywarestealer

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • 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