Overview

overview

10

Static

static

10

abc.exe

windows10-2004-x64

10

abc.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    abc.exe
  • Size 98KB
  • Sample261014-a1trlset6m
  • SHA256 94bf691fdfb512475d0197a8bf82333d44cfc5ef5aa698d8e9f22a8fd5cda85a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultadwarediscoveryexecutionpersistenceransomwareratspyware

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

Mutex

  • 5MchUorlc4Nu

Attributes
aes.plain

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://ex88.jp.net/malware/load.ps1

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://backdoor.arkaan.cc/malware/load.ps1

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://backdoor.skuy88.com/malware/load.ps1

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://backdoor.mwpoker.us/malware/load.ps1

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://backdoor.way2ship.in/malware/load.ps1

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://backdoor.superautoslot.vip/malware/load.ps1

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://backdoor.ex88.jp.net/malware/load.ps1

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://backdoor.999betslot.vip/malware/load.ps1

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://backdoor.ex88.bond/malware/load.ps1

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://backdoor.bingolotokiralama.net/malware/load.ps1

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://backdoor.fifareport.com/malware/load.ps1

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://backdoor.anxietyinchildren.co/malware/load.ps1

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://backdoor.tk88lighting.in.net/malware/load.ps1

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://backdoor.juad888.us/malware/load.ps1

Extracted

Language

  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    http://backdoor.bitfinex88.com/malware/load.ps1

Targets

    • Target
      abc.exe
    • Size 98KB
    • SHA256 94bf691fdfb512475d0197a8bf82333d44cfc5ef5aa698d8e9f22a8fd5cda85a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    adwaredefaultdiscoveryexecutionasyncratpersistenceratspywareransomware

    • Family: AsyncRat

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

      ratasyncrat

    • Modifies WinLogon for persistence

      persistence

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Boot or Logon Autostart Execution: Active Setup

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

      persistence

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Registers new Windows logon scripts automatically executed at logon.

      persistence

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

3
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Boot or Logon Initialization Scripts

1
T1037

Logon Script (Windows)

1
T1037.001

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Boot or Logon Initialization Scripts

1
T1037

Logon Script (Windows)

1
T1037.001

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

4
T1112

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

4
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks