Overview

overview

10

Static

static

3

8A727EB3C7...BD.exe

windows10-2004-x64

10

8A727EB3C7...BD.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    8A727EB3C78BA186DFEF3C0EDB90D3BD.exe
  • Size 23.6MB
  • Sample261013-evjrns1scz
  • SHA256 136bfdf68486a6b8d9acaaf957c4936f4364953c148a7de195b791c875b83452
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratnjratdefaulthackeddefense_evasiondiscoverypersistenceprivilege_escalationrattrojan

Malware Config

Extracted

Family

  • njrat

Version

  • 0.7d

Botnet

  • HacKed

C2

  • letaryzipthone.ddns.net:6969

Mutex

  • 7ee6e172b1c9617c7199ef7dab81a556

Attributes
  • reg_key

    7ee6e172b1c9617c7199ef7dab81a556

  • splitter

    |'|'|

Extracted

Family

  • asyncrat

Version

  • 1.0.7 - modded by last

Botnet

  • Default

C2

  • letaryzipthone.ddns.net:9899

Mutex

  • DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    true

  • install_file

    RuntimeBroker.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      8A727EB3C78BA186DFEF3C0EDB90D3BD.exe
    • Size 23.6MB
    • SHA256 136bfdf68486a6b8d9acaaf957c4936f4364953c148a7de195b791c875b83452
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defaulthackeddefense_evasiondiscoveryasyncratnjratpersistenceprivilege_escalationrattrojan

    • Async RAT payload

      rat

    • Family: AsyncRat

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

      ratasyncrat

    • Family: njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Modifies Windows Firewall

      defense_evasion

    • Checks computer location settings

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

      persistenceprivilege_escalation

    • Executes a file named after a Windows system binary

      The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

      defense_evasion

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Masquerading

1
T1036

Match Legitimate Name or Location

1
T1036.005

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
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