Overview

overview

10

Static

static

10

Serverr.exe

windows10-2004-x64

10

Serverr.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Serverr.exe
  • Size 23KB
  • Sample260825-m5z6ea1brd
  • SHA256 be1144450cb07ee7b334bb0c18c77512cdc2a6a6bf4a510fd8653328381ac141
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
njrathackedbootkitdefense_evasiondiscoverypersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

  • njrat

Version

  • 0.7d

Botnet

  • HacKed

C2

  • 21.tcp.cpolar.top:14652

Mutex

  • 525d414d359ba4dc55a929a50e7d2b35

Attributes
  • reg_key

    525d414d359ba4dc55a929a50e7d2b35

  • splitter

    |'|'|

Targets

    • Target
      Serverr.exe
    • Size 23KB
    • SHA256 be1144450cb07ee7b334bb0c18c77512cdc2a6a6bf4a510fd8653328381ac141
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoverynjratpersistenceprivilege_escalationtrojanbootkit

    • Family: njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Modifies Windows Firewall

      defense_evasion

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
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

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
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

Modify Registry

1
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Discovery

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks