General

  • Target

    https://github.com/simalei/njRAT/releases/download/v0.7D/NjRat.0.7D.zip

  • Sample

    240315-b136qafd78

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

MyBot

C2

127.0.0.1:6522

Mutex

d2319c4fe39ba9c40104010969686b29

Attributes
  • reg_key

    d2319c4fe39ba9c40104010969686b29

  • splitter

    Y262SUCZ4UJJ

Targets

    • Target

      https://github.com/simalei/njRAT/releases/download/v0.7D/NjRat.0.7D.zip

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Modifies Windows Firewall

    • Drops startup file

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scripting

1
T1064

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Tasks