Overview

overview

10

Static

static

10

nj.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    nj.exe
  • Size 55KB
  • Sample261017-yq2apsgf84
  • SHA256 21bde2fcd1f46580110e390d2e6728419754b482e24f29115ce294d95a851faf
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
njratvictimdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

  • njrat

Version

  • <- NjRAT 0.7d Horror Edition ->

Botnet

  • Victim

C2

  • 32.tcp.cpolar.top:14842

Mutex

  • b18e86acc944982bdbaa5ce557098752

Attributes
  • reg_key

    b18e86acc944982bdbaa5ce557098752

  • splitter

    Y262SUCZ4UJJ

Targets

    • Target
      nj.exe
    • Size 55KB
    • SHA256 21bde2fcd1f46580110e390d2e6728419754b482e24f29115ce294d95a851faf
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    victimdefense_evasiondiscoveryexecutionnjratpersistenceprivilege_escalationtrojan

    • Family: njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • UAC bypass

      defense_evasiontrojan

    • 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 dropped EXE

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Process Injection

1
T1055

Process Hollowing

1
T1055.012

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

3
T1112

Process Injection

1
T1055

Process Hollowing

1
T1055.012

Credential Access

Discovery

Peripheral Device Discovery

1
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

Video Capture

1
T1125

Command and Control

Exfiltration

Impact

Tasks