Resubmissions

10/01/2025, 00:42

250110-a2rcwawlcz8

08/01/2025, 13:31

250108-qsdnes1qb110

17/12/2024, 13:35

241217-qv6rzs1nhp10

15/11/2024, 19:14

241115-xxqbcayqht

15/11/2024, 19:06

241115-xr6q5szdnf10

14/11/2024, 23:35

241114-3lfknavfqg10

14/11/2024, 23:26

241114-3eysnavfje10

14/11/2024, 23:12

241114-26znlavdqq10

General

  • Target
    4363463463464363463463463.exe
  • Size 10KB
  • Sample250108-qsdnes1qb1
  • SHA256 2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

Version
  • 3.1

C2
  • profile-indians.gl.at.ply.gg:39017

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

Extracted

Family
  • discordrat

Attributes
  • discord_token

    MTMxNTQxMDg0NDg3NTQ4OTI4MA.Gx5ptK.HY1OYsjGMP1MsOoyD2E7T9pCvkfHTdOPozmb_c

  • server_id

    1315411300192616569

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • Stinky

C2
  • ef3243fsert34.ddns.net:47820

  • anthonyngati.ddns.net:3872

Mutex
  • 60cba0a9-0a63-450c-9567-57ef0e3c2e24

Attributes
  • encryption_key

    7A23123B6E1E0CCDB27477C6C7654C7BE2FEDE54

  • install_name

    sru.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    xml

  • subdirectory

    sru

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
  • asyncrat

Version
  • 0.5.7B

Botnet
  • Default

C2
  • 3.70.228.168:555

Mutex
  • AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • Windows Client

C2
  • 148.163.102.170:4782

Mutex
  • 4c18e02c-7c39-4a5e-bbef-16fe13828101

Attributes
  • encryption_key

    73B0A3AC50C78E243EA93BF9E60C9BC63D63CA26

  • install_name

    Sever Startup.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Startup

  • subdirectory

    Windows Startup

Extracted

Family
  • quasar

Version
  • 1.4.0.0

Botnet
  • Office

C2
  • 85.192.29.60:5173

Mutex
  • QAPB6w0UbYXMvQdKRF

Attributes
  • encryption_key

    pxC3g4rfVijQxK1hMGwM

  • install_name

    csrss.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    NET framework

  • subdirectory

    SubDir

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

    • Detect Xworm Payload

    • Discord RAT

      A RAT written in C# using Discord as a C2.

    • Discordrat family

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • 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

    • Uses browser remote debugging

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

    • Checks BIOS information in registry

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

    • 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.

    • Adds Run key to start application

    • 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 autorun.inf file

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks