General

  • Target

    241212-wymq6ssnat_pw_infected.zip

  • Size

    8KB

  • Sample

    250101-xyydcayrex

  • MD5

    46e1dda34049ae02d12417a9ca4254a8

  • SHA1

    a9f38b7196980f20c3fee1172538db73f2065284

  • SHA256

    ba3b60449327330b4e55df4528ebcfb7b12cd3e51c16d8b56680314e43d72be2

  • SHA512

    92f17e843d624c20ad16360ed855ff1c02895379a83bd2054374f0a6f9ee3697cdee1b4d38b3833bd2c784f45504541729c29c66275eaa7f137d6d47ab340afb

  • SSDEEP

    192:bxH3A0QJWWqMk3Vp/c8hUwuz4TV3JYih6wEpby+Od7/60i2j:bxHNpfVl2bzFWDE9o/60p

Malware Config

Extracted

Family

quasar

Version

1.4.0.0

Botnet

Office

C2

82.117.243.110:5173

Mutex

edH11NGQWIdCwvLx00

Attributes
  • encryption_key

    aGPuRaDerdUDJPrAfXtB

  • install_name

    csrss.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Framework

  • subdirectory

    SubDir

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

185.228.82.21:4782

14.243.221.170:2654

tieumao1995-51127.portmap.io:51127

Mutex

59c47ccd-e59a-4ccb-933e-f1094e43684c

Attributes
  • encryption_key

    7CDE15C94B12183E5BC0673A57C6342C87E44E2A

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    msgde

  • subdirectory

    SubDir

Extracted

Family

njrat

Version

im523

Botnet

svchost.exe

C2

pool-tournaments.gl.at.ply.gg:7445

Mutex

65449e22560e51e0740c2a10dc6c9c59

Attributes
  • reg_key

    65449e22560e51e0740c2a10dc6c9c59

  • splitter

    |'|'|

Extracted

Family

xworm

Version

5.0

C2

event-dollar.gl.at.ply.gg:42627

Mutex

Vu8KDOzYd19RAWuh

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    Desktop Window Manager.exe

  • telegram

    https://api.telegram.org/bot7269786725:AAF0IPx1BWTdW_vbZqP8HGNrxWWFpF5CvYs/sendMessage?chat_id=5465523859

aes.plain

Extracted

Family

metasploit

Version

windows/reverse_tcp

C2

100.40.188.115:443

Extracted

Family

xworm

C2

147.185.221.22:47930

127.0.0.1:47930

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

Extracted

Family

quasar

Version

1.4.1

Botnet

Helper Atanka

C2

193.203.238.136:8080

Mutex

14f39659-ca5b-4af7-8045-bed3500c385f

Attributes
  • encryption_key

    11049F2AEBDCF8E3A57474CD5FBA40FB2FFC5424

  • install_name

    diskutil.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    diskutil

  • subdirectory

    diskutil

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

6.tcp.eu.ngrok.io:12925

stuff-data.gl.at.ply.gg:54296

Mutex

hDtjdONRXVCh

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain
aes.plain

Extracted

Family

lumma

C2

https://preside-comforter.sbs/api

https://savvy-steereo.sbs/api

https://copper-replace.sbs/api

https://record-envyp.sbs/api

https://slam-whipp.sbs/api

https://wrench-creter.sbs/api

https://looky-marked.sbs/api

https://plastic-mitten.sbs/api

https://voter-screnn.cyou/api

Extracted

Family

risepro

C2

3.36.173.8:50500

Extracted

Family

darkvision

C2

acuweld.ddns.net

Targets

    • Target

      241212-wymq6ssnat_pw_infected.zip

    • Size

      8KB

    • MD5

      46e1dda34049ae02d12417a9ca4254a8

    • SHA1

      a9f38b7196980f20c3fee1172538db73f2065284

    • SHA256

      ba3b60449327330b4e55df4528ebcfb7b12cd3e51c16d8b56680314e43d72be2

    • SHA512

      92f17e843d624c20ad16360ed855ff1c02895379a83bd2054374f0a6f9ee3697cdee1b4d38b3833bd2c784f45504541729c29c66275eaa7f137d6d47ab340afb

    • SSDEEP

      192:bxH3A0QJWWqMk3Vp/c8hUwuz4TV3JYih6wEpby+Od7/60i2j:bxHNpfVl2bzFWDE9o/60p

    • AsyncRat

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

    • Asyncrat family

    • DarkVision Rat

      DarkVision Rat is a trojan written in C++.

    • Darkvision family

    • Detect Vidar Stealer

    • Detect Xworm Payload

    • Lumma Stealer, LummaC

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

    • Lumma family

    • MetaSploit

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

    • Metasploit family

    • Mimikatz

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

    • Mimikatz family

    • Njrat family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • Risepro family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • XMRig Miner payload

    • Xmrig family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • xmrig

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

    • Async RAT payload

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

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

    • 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)

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Stops running service(s)

    • Checks BIOS information in registry

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Adds Run key to start application

    • 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

    • 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.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Drops autorun.inf file

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

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks