General

Malware Config

Extracted

Family

xworm

C2

77.105.166.57:7000

Mutex

s7mg2orn5bDic4mI

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

91.92.254.40:4782

Mutex

56928f7b-c5c9-4b24-af59-8c509ce1d27e

Attributes
  • encryption_key

    60574F1741A0786C827AF49C652AB3A7DA0533D1

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows System

  • subdirectory

    SubDir

Extracted

Family

xworm

Version

5.0

C2

87.120.113.179:7000

Mutex

V4yRYee7YjNUwhyu

Attributes
  • Install_directory

    %AppData%

  • install_file

    WindowsDefender.exe

aes.plain

Extracted

Family

quasar

Version

1.4.1

Botnet

Main

C2

tpinauskas-54803.portmap.host:54803

Mutex

8422dcc2-b8bd-4080-a017-5b62524b6546

Attributes
  • encryption_key

    2EFF7393DC1BD9FBDDD61A780B994B8166BAB8EC

  • install_name

    Win64.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Win64

  • subdirectory

    SubDir

Extracted

Family

quasar

Version

1.4.1

Botnet

Java

C2

dez345-37245.portmap.host:37245

Mutex

f0e53bcd-851e-44af-8fd5-07d8ab5ed968

Attributes
  • encryption_key

    65439CE7DEF3E0FAF01C526FEA90388C9FD487A1

  • install_name

    java.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    java ©

  • subdirectory

    Programfiles

Targets

    • AsyncRat

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

    • Asyncrat family

    • Detect Xworm Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • StormKitty

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

    • StormKitty payload

    • Stormkitty family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Async RAT payload

    • 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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks