Resubmissions

14-07-2024 08:07

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13-07-2024 16:41

240713-t7fm4syemq 10

General

  • Target

    http://example.com

  • Sample

    240713-t7fm4syemq

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

def

C2

37.18.62.18:8060

Mutex

era2312swe12-1213rsgdkms23

Attributes
  • delay

    1

  • install

    true

  • install_file

    CCXProcess.exe

  • install_folder

    %Temp%

aes.plain

Extracted

Family

toxiceye

C2

https://api.telegram.org/bot5687152406:AAFin_LYFhJGLydMgYheeUDec-2orew51aM/sendMessage?chat_id=2024893777

Targets

    • AsyncRat

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

    • ToxicEye

      ToxicEye is a trojan written in C#.

    • Blocklisted process makes network request

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Modifies Windows Firewall

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Adds Run key to start application

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Active Setup

1
T1547.014

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Active Setup

1
T1547.014

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

3
T1112

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Discovery

Query Registry

5
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

5
T1082

Process Discovery

1
T1057

Command and Control

Web Service

1
T1102

Tasks