Resubmissions

11/12/2025, 02:49

251211-dbhvlahj3z10

11/12/2025, 02:45

251211-c832csvngl10

General

  • Target
    NewTextDocumentmod.exe
  • Size 761KB
  • Sample251211-c832csvngl
  • SHA256 bb459869e5ef6d6dd6f0329080d7cb12542c4b37163ae2cd782620adcd7d55a0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

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
  • quasar

Version
  • 1.4.1

Botnet
  • Office04

C2
  • 192.168.1.38:4782

Mutex
  • 5e2f2461-70dc-46c6-a00d-88bb31dc6725

Attributes
  • encryption_key

    DC7DD97B438723D4D9CE48C0DD424D350646435E

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Extracted

Family
  • metasploit

Version
  • windows/reverse_tcp

C2
  • 157.173.100.101:9002

Extracted

Family
  • quasar

Attributes
  • encryption_key

    AC2C427DC404AF6EF376182CF26611C6C7C84655

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • reconnect_delay

    3000

Extracted

Family
  • svcstealer

C2
  • http://62.60.226.159/zbuyowgn/data.php

  • http://158.94.208.102/diamo/data.php

  • http://196.251.107.23/diamo/data.php

  • http://178.16.53.7/diamo/data.php

  • http://196.251.107.61/diamo/data.php

Attributes
  • bot_urls

    http://196.251.107.23/bot64.dll

  • build_id

    naked

  • srv_delay

    1

  • srv_retry

    1

Targets

    • Target
      NewTextDocumentmod.exe
    • Size 761KB
    • SHA256 bb459869e5ef6d6dd6f0329080d7cb12542c4b37163ae2cd782620adcd7d55a0
    • MD5 SHA1 SHA512 SSDEEP
    • Detects DonutLoader

    • DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    • Donutloader family

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Metasploit family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • RunningRat

      RunningRat is a remote access trojan first seen in 2018.

    • RunningRat payload

    • Runningrat family

    • SvcStealer, Diamotrix

      SvcStealer aka Diamotrix Clipper is a stealer/downloader written in C++.

    • Svcstealer family

    • XMRig Miner payload

    • Xmrig family

    • Xred

      Xred is backdoor written in Delphi.

    • Xred family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Command and Scripting Interpreter: PowerShell

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

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Prevents Microsoft Defender from scanning certain paths by adding an exclusion.

      Uses the Powershell Add-MpPreference cmdlet to exclude paths from being scanned by Microsoft Defender.

    • Adds Run key to start application

    • Hide Artifacts: Hidden Window

      Windows that would typically be displayed when an application carries out an operation can be hidden.

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks