Resubmissions

08/09/2026, 15:38

260908-s27nzagd93

15/08/2026, 21:05

260815-zw6ytat1ez

15/08/2026, 20:50

260815-zmxnsatzgs

15/08/2026, 20:46

260815-zkklfatcnf

15/08/2026, 20:40

260815-zf5e2stcjb

15/08/2026, 20:39

260815-zfqlwstydz

14/08/2026, 18:03

260814-wm9fssyyev

06/08/2026, 22:09

260806-124lbabl4s

06/08/2026, 03:52

260806-efejeaxzax

04/08/2026, 06:18

260804-g2rf7ssgqf

General

  • Target
    Red-Flaged.7z
  • Size 328.4MB
  • Sample251130-pwsfbahp5t
  • SHA256 54942b5bcfc9add448903934fc61f4e02bf2dc6378a65f0aa4af346e858fe9d3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • nanocore

Version
  • 1.2.2.0

C2
  • computernewb.com:80

  • discord.horse:80

Mutex
  • 4d0a1e0d-08d5-4a14-ba4f-5aa591ac722b

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    discord.horse

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2025-04-03T22:24:52.440913136Z

  • bypass_user_account_control

    true

  • bypass_user_account_control_data

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    80

  • default_group

    Default

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    4d0a1e0d-08d5-4a14-ba4f-5aa591ac722b

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    computernewb.com

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    true

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Extracted

Family
  • zloader

Botnet
  • Bing_Mod2

Campaign
  • M1

C2
  • https://adslstickerni.world

rc4.plain
rsa_pubkey.plain

Extracted

Family
  • redline

Botnet
  • LIM

C2
  • 195.3.223.120:25539

Extracted

Family
  • nworm

Version
  • v0.3.8

C2
  • computernewb.com:80

  • discord.horse:80

Mutex
  • 35f629a5

Extracted

Family
  • remcos

Version
  • 1.7 Pro

Botnet
  • Host

C2
  • nickman12-46565.portmap.io:46565

  • nickman12-46565.portmap.io:1735

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    Userdata.exe

  • copy_folder

    Userdata

  • delete_file

    true

  • hide_file

    true

  • hide_keylog_file

    true

  • install_flag

    true

  • install_path

    %WinDir%\System32

  • keylog_crypt

    true

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %WinDir%\System32

  • mouse_option

    false

  • mutex

    remcos_vcexssuhap

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

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
  • sheetrat

Version
  • 1.7

Campaign
  • Bulka

C2
  • 95.181.213.48:7777

Extracted

Family
  • umbral

Version
  • v1.3

C2
  • https://discord.com/api/webhooks/1437804446846292199/tv-QDaXWpLAuK3kjN19boqVo_x72Y_ECGK_spjWckXHS3OiiDIJpEFcxVz8mUMFPVWeJ

Extracted

Family
  • metasploit

Version
  • metasploit_stager

C2
  • 8.138.101.146:3002

Extracted

Family
  • revengerat

Botnet
  • MAYO24

C2
  • karmina113.sytes.net:3333

  • karmina117.sytes.net:3333

  • karmina118.sytes.net:3333

  • karmina119.sytes.net:3333

  • nibiru3.duckdns.org:3333

  • nibiru4.duckdns.org:3333

  • nibiru5.duckdns.org:3333

  • nibiru6.duckdns.org:3333

Mutex
  • WSCollect

Extracted

Family
  • warmcookie

C2
  • 170.130.165.112

Attributes
  • mutex

    56c98eb4-723f-4cbd-8b73-862d390eddcb

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:109.0) Gecko/20100101 Firefox/115.0

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • .

C2
  • 147.185.221.31:65393

Mutex
  • 06e364dd-71d5-4f0b-bae4-3e4ca9c73aa5

Attributes
  • encryption_key

    FD9F712FFB55F9983B0F154D69B0813016E50527

  • install_name

    realtekconsole.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Realtek Audio Console

  • subdirectory

    Realtek

Extracted

Family
  • gozi

Extracted

Family
  • gozi

Botnet
  • 1100

C2
  • cyajon.at/krp3cmg

  • hipohook.cn/krp3cmg

  • rokolero.at/krp3cmg

  • arexan.at/krp3cmg

  • voligon.cn/krp3cmg

  • qwevigoc.at/krp3cmg

  • comerail.su/krp3cmg

  • boombom.at/krp3cmg

  • xiloker.cn/krp3cmg

  • xorewopa.at/krp3cmg

  • goinumder.su/krp3cmg

  • ribomoon.cn/krp3cmg

  • ambikooly.at/krp3cmg

  • therepalon.su/krp3cmg

  • chikoole.cn/krp3cmg

Attributes
  • build

    214837

  • exe_type

    worker

  • server_id

    110

rsa_pubkey.plain
serpent.plain

Extracted

Family
  • smokeloader

Version
  • 2018

C2
  • http://ghjk78kjhb.net/

  • http://cleancleankkl.net/

  • http://dunujilis11r.net/

  • http://sulionuili1.in/

  • http://eseruuynli2.net/

  • http://nulikuliey.net/

  • http://oohdojssks9uf.net/

rc4.i32
rc4.i32

Targets

    • Target
      Red-Flaged.7z
    • Size 328.4MB
    • SHA256 54942b5bcfc9add448903934fc61f4e02bf2dc6378a65f0aa4af346e858fe9d3
    • MD5 SHA1 SHA512 SSDEEP
    • Akira

      Akira is a ransomware first seen in March 2023 and targets several industries, including education, finance, real estate, manufacturing, and consulting.

    • Akira family

    • AuraStealer

      AuraStealer is a malware written in C++.

    • Aura_stealer family

    • Babylon RAT

      Babylon RAT is remote access trojan written in C++.

    • Babylon RAT payload

    • Babylonrat family

    • BazarBackdoor

      Stealthy backdoor targeting corporate networks, believed to be developed by Trickbot's authors.

    • Bazarbackdoor family

    • Blackmoon family

    • Blackmoon, KrBanker

      Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

    • Cyborg

      Cyborg is a ransomware that has been active since 2022.

    • Cyborg family

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Dcrat family

    • Detect Blackmoon payload

    • Detect XClient Payload

    • Detects AuraStealer stealer

    • Detects MilleniumRAT stealer

    • Detects PennyWise

    • Detects Plusdrop Payload

    • Detects Yurei ransomware

    • Gofing

      Gofing is a ransomware written in Golang using Velocity Polymorphic Compression (VPC) obfuscation.

    • Gofing family

    • Gofing is a ransomware written in Golang using Velocity Polymorphic Compression (VPC) obfuscation.

    • Gozi

      Gozi is a well-known and widely distributed banking trojan.

    • Gozi family

    • MilleniumRat

      MilleniumRat is a remote access trojan written in C#.

    • Milleniumrat family

    • Mimikatz

      mimikatz is an open source tool to dump credentials on Windows.

    • Mimikatz family

    • NanoCore

      NanoCore is a remote access tool (RAT) with a variety of capabilities.

    • Nanocore family

    • Nitrogen

      Nitrogen is a ransomware that resembles LukaLocke ransomware.

    • Nitrogen family

    • PennyWise

      PennyWise is a stealer written in C#.

    • Pennywise family

    • Plusdrop family

    • Plusdrop, toughprogress

      Plusdrop is a backdoor used by APT41 in Toughprogress campaign that abuses Google Calendar events as its C2.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Smokeloader family

    • Supershell

      Supershell is a cross-platfrom reverse shell written in Golang.

    • Supershell family

    • Trickbot

      Developed in 2016, TrickBot is one of the more recent banking Trojans.

    • Trickbot family

    • Trickbot x86 loader

      Detected Trickbot's x86 loader that unpacks the x86 payload.

    • Upatre

      Upatre is a generic malware downloader.

    • Upatre family

    • XClient

      XClient is a trojan written in C#.

    • Xclient family

    • Xmrig family

    • Yurei

      Yurei is a Golang based ransomware family derived from PrincessLocker.

    • Yurei family

    • mimikatz is an open source tool to dump credentials on Windows

    • xmrig

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

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (12629) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • XMRig Miner payload

    • Command and Scripting Interpreter: PowerShell

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

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Event Triggered Execution: Image File Execution Options Injection

    • Modifies Windows Firewall

    • Tries to connect to .bazar domain

      Attempts to lookup or connect to a .bazar domain, used by BazarBackdoor, Trickbot, and potentially others.

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • .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.

    • Disables service(s)

    • Drops startup file

    • Executes dropped EXE

    • Indicator Removal: Clear Windows Event Logs

      Clear Windows Event Logs to hide the activity of an intrusion.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Checks installed software on the system

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

    • Checks whether UAC is enabled

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Indicator Removal: Clear Persistence

      remove IFEO.

    • Indicator Removal: Clear Persistence

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

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • 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.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Network Share Discovery

      Attempt to gather information on host network.

    • Creates a Windows Service

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks

static1

upxinstallerstealerpyinstallerbing_mod2m1wiperlimhostbulkavmprotectthemidamayo24rataptlazarusbackdoorransomware.gofingbabylonratnanocorexclientyureisupershellaura_stealermimikatzblackmoonpennywisenighthawkblacklockflyagentmispadulynxzloaderamadeyxtinyloaderhermeticwiperredlinesectopratnwormremcosxredumbralxwormsheetratmetasploitrevengeratblacknevasduplexspyratlockbitsalatstealerdtrackarcanecosmujlockerneshtawarmcookiebertquasarblankgrabber
Score
10/10

behavioral1

apt41adwareaptbackdoorbanker1100defense_evasiondiscoverydownloaderexecutionakiraaura_stealerbabylonratbazarbackdoorblackmooncyborgdcratgofinggozimilleniumratmimikatznanocorenitrogenpennywiseplusdropsmokeloadersupershelltrickbotupatrexclientyureiimpactinfostealerinstallerisfbkeyloggerpersistenceprivilege_escalationransomwareratspywarestealertrojanupx
Score
10/10

behavioral2

apt41aptbackdoorbanker1100credential_accessdefense_evasiondiscoverydownloaderexecutionakiraaura_stealerbabylonratbazarbackdoorblackmoongofinggozimilleniumratmimikatznanocorenitrogenpennywiseplusdropsupershelltrickbotupatrexclientxmrigyureiimpactinstallerisfbkeyloggerminerpersistenceprivilege_escalationpyinstallerransomwareratspywarestealertrojanupx
Score
10/10