Overview

overview

10

Static

static

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    file

  • Size

    183KB

  • Sample

    221104-fq43gsdfcn

  • MD5

    8611fcd3c059993ae37c038f0682507a

  • SHA1

    82a2f78e8594faff95889690b93fb37ed96ad242

  • SHA256

    fa098da5c908e9ef45a25971e2a90a78673d241a6e9c67d1e4166a026ceefb12

  • SHA512

    0586abd3654a75e709382bef587af6ed92c1f5ec5a75e7d581b0e3279395475de36b9541d6c6cb952168391c0c1285c46f72f63e96cd71944f9be4d83bc3e061

  • SSDEEP

    3072:5pKvfIGP7fLv7LFVxtkfx5bjviLMdGB8zvufPpy7iyCDgUZiYVcCkoftuGTJ:5poTDfz7LvxtkLvgMdQImf4W42J4c

Score
10/10
blacknetdjvuredlinesmokeloadermario23_10backdoorcollectiondiscoveryinfostealerpersistenceransomwarespywarestealertrojan

Malware Config

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .bozq

  • offline_id

    oHp5e4SJxdFtxfvKYmeX06F4C5cn0EcsF5Ak9Wt1

  • payload_url

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

    http://fresherlights.com/files/1/build3.exe

  • ransomnote

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rsa_pubkey.plain

Extracted

Family

redline

Botnet

mario23_10

C2

167.235.252.160:10642

Attributes
  • auth_value

    eca57cfb5172f71dc45986763bb98942

Extracted

Family

blacknet

Attributes
  • antivm

    false

  • elevate_uac

    false

  • install_name

  • splitter

  • start_name

  • startup

    false

  • usb_spread

    false

Targets

    • Target

      file

    • Size

      183KB

    • MD5

      8611fcd3c059993ae37c038f0682507a

    • SHA1

      82a2f78e8594faff95889690b93fb37ed96ad242

    • SHA256

      fa098da5c908e9ef45a25971e2a90a78673d241a6e9c67d1e4166a026ceefb12

    • SHA512

      0586abd3654a75e709382bef587af6ed92c1f5ec5a75e7d581b0e3279395475de36b9541d6c6cb952168391c0c1285c46f72f63e96cd71944f9be4d83bc3e061

    • SSDEEP

      3072:5pKvfIGP7fLv7LFVxtkfx5bjviLMdGB8zvufPpy7iyCDgUZiYVcCkoftuGTJ:5poTDfz7LvxtkLvgMdQImf4W42J4c

    Score
    10/10
    smokeloaderbackdoortrojanblacknetdjvuredlinemario23_10collectiondiscoveryinfostealerpersistenceransomwarespywarestealer

    • BlackNET

      BlackNET is an open source remote access tool written in VB.NET.

      trojanblacknet

    • BlackNET payload

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

      infostealerredline

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • 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

    • Accesses 2FA software files, possible credential harvesting

      spywarestealer

    • Accesses Microsoft Outlook profiles

      collection

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • 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 v6

Tasks