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General

  • Target
    Downloaders.zip
  • Size 12KB
  • Sample241126-x4d7navres
  • SHA256 16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://github.com/unvd01/unvmain/raw/main/un2/botprnt.dat

  • exe.dropper

    http://unvdwl.com/un2/botprnt.dat

Extracted

Family
  • xworm

C2
  • 91.92.240.41:7000

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    voldec.exe

Extracted

Family
  • redline

Botnet
  • @OLEH_PSP

C2
  • 65.21.18.51:45580

Extracted

Family
  • redline

Botnet
  • bundle

C2
  • 185.215.113.67:15206

Extracted

Family
  • asyncrat

Version
  • 1.0.7

Botnet
  • Default

C2
  • 217.195.195.46:1604

Mutex
  • DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family
  • quasar

Version
  • 1.4.0

Botnet
  • Office04

C2
  • microsoftsys.ddns.net:4782

Mutex
  • 67e0653d-eedf-4888-88ab-78e97eb2df27

Attributes
  • encryption_key

    23E5F6D22FEE1750D36544A759A48349B064BC34

  • install_name

    PerfWatson1.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    svhost

  • subdirectory

    KDOT

Extracted

Family
  • lumma

C2
  • https://servicedny.site

  • https://authorisev.site

  • https://faulteyotk.site

  • https://dilemmadu.site

  • https://contemteny.site

  • https://goalyfeastz.site

  • https://opposezmny.site

  • https://seallysl.site

  • https://thighpecr.cyou

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 154.197.69.165:7000

  • 62.113.117.95:5665

Mutex
  • wPxAiY3vITAPeZGc

Attributes
  • Install_directory

    %AppData%

  • install_file

    System.exe

aes.plain
aes.plain

Extracted

Family
  • xred

C2
  • xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Extracted

Family
  • njrat

Version
  • Njrat 0.7 Golden By Hassan Amiri

Botnet
  • HacKed

C2
  • 82.193.104.21:5137

Mutex
  • Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • Nigga

C2
  • yzs-42879.portmap.host:42879

Mutex
  • 57d72303-b5e9-46aa-8cc4-9690809c1a9e

Attributes
  • encryption_key

    F1EBDB1862062F9265C0B5AC4D02C76D026534D0

  • install_name

    RuntimeBroker.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    Temp

Extracted

Family
  • redline

Botnet
  • TG CLOUD @RLREBORN Admin @FATHEROFCARDERS

C2
  • 89.105.223.196:29862

Extracted

Family
  • gurcu

C2
  • https://api.telegram.org/bot7607027553:AAHrudQNbA23c1Me3ecFJGIJnQ0H1nBCp5Y/sendMessag

Targets

    • Target
      4363463463464363463463463.exe
    • Size 10KB
    • SHA256 2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce
    • MD5 SHA1 SHA512 SSDEEP
    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Asyncrat family

    • BabbleLoader

      BabbleLoader is a malware loader written in C++.

    • Babbleloader family

    • Detect Xworm Payload

    • Detects BabbleLoader Payload

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • Lumma Stealer, LummaC

      Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

    • Lumma family

    • Njrat family

    • Phorphiex family

    • Phorphiex payload

    • Phorphiex, Phorpiex

      Phorphiex or Phorpiex Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • RedLine

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

    • RedLine payload

    • Redline family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Troldesh family

    • Troldesh, Shade, Encoder.858

      Troldesh is a ransomware spread by malspam.

    • Xred

      Xred is backdoor written in Delphi.

    • Xred family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Async RAT payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Server Software Component: Terminal Services DLL

    • Checks computer location settings

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

    • Deletes itself

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Adds Run key to start application

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks