Resubmissions

31-12-2024 21:35

241231-1fmqnszqft 10

31-12-2024 21:27

241231-1axzfssnek 10

16-12-2024 05:27

241216-f5kx6awmh1 10

14-12-2024 20:23

241214-y6jqlasrhy 10

14-12-2024 20:22

241214-y51bysvmbk 10

14-12-2024 20:13

241214-yzc98svkfr 10

14-12-2024 13:14

241214-qgw1masrcy 10

14-12-2024 13:12

241214-qfk7qsvlaq 3

12-12-2024 18:19

241212-wymq6ssnat 10

General

  • Target

    241127-xqsswsslej_pw_infected.zip

  • Size

    12KB

  • Sample

    241231-1axzfssnek

  • MD5

    79fd058f7d06cc022de1786507eb26e3

  • SHA1

    86590ec8ed73fd2951587561dff5387e9e0e18e6

  • SHA256

    cf99eaaa334a9c8ffc2fe0e1068ffcc02dda1dd8b2b0eab2821182c5d2c1f51d

  • SHA512

    8316ac3782c05a3ebea4ca0868e33512e5ef29b251498f3af5ab261cd2010dec6b0eca8a57adcadb0d70653be2e22c0c2c137c7a38ec7b3d5ebbdd02e09c0227

  • SSDEEP

    384:sBfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWT:wfACW6Dr8HWTHWT

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.100.18:4782

Mutex

2cbe985c-9a4f-4f1f-a761-cd05d5feff4b

Attributes
  • encryption_key

    9493303F9F1D303190787B3D987F2DCB2BAF3CFD

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.210.150.26:8787

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-R1T905

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family

rhadamanthys

C2

https://185.196.11.237:9697/f002171ab05c7/9xqdctgg.ir1fr

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

Mutex

hDtjdONRXVCh

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

stealc

Botnet

QQtalk

C2

http://154.216.17.90

Attributes
  • url_path

    /a48146f6763ef3af.php

Targets

    • Target

      241127-xqsswsslej_pw_infected.zip

    • Size

      12KB

    • MD5

      79fd058f7d06cc022de1786507eb26e3

    • SHA1

      86590ec8ed73fd2951587561dff5387e9e0e18e6

    • SHA256

      cf99eaaa334a9c8ffc2fe0e1068ffcc02dda1dd8b2b0eab2821182c5d2c1f51d

    • SHA512

      8316ac3782c05a3ebea4ca0868e33512e5ef29b251498f3af5ab261cd2010dec6b0eca8a57adcadb0d70653be2e22c0c2c137c7a38ec7b3d5ebbdd02e09c0227

    • SSDEEP

      384:sBfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWT:wfACW6Dr8HWTHWT

    • AsyncRat

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

    • Asyncrat family

    • DcRat

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

    • Dcrat family

    • Detect Vidar Stealer

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Remcos family

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • Rhadamanthys family

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • XMRig Miner payload

    • Xmrig family

    • xmrig

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

    • Async RAT payload

    • DCRat 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.

    • Downloads MZ/PE file

    • Drops startup file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Modifies system executable filetype association

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks