Overview

overview

10

Static

static

10

Server.exe

windows10-2004-x64

8

Server.exe

windows11-ltsc_2024-x64

8

Sharing

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General

  • Target
    Server.exe
  • Size 37KB
  • Sample260925-wcyxbatx2m
  • SHA256 b9bd285aa14f506548dcc3e314529d5bf21f667ddd7cdd9550c9f786281ac041
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
njrathackeddefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

  • njrat

Version

  • im523

Botnet

  • HacKed

C2

  • 40.tcp.vip.cpolar.cn:12459

Mutex

  • 2106b114da4b7c50a775573748de299e

Attributes
  • reg_key

    2106b114da4b7c50a775573748de299e

  • splitter

    |'|'|

Targets

    • Target
      Server.exe
    • Size 37KB
    • SHA256 b9bd285aa14f506548dcc3e314529d5bf21f667ddd7cdd9550c9f786281ac041
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    defense_evasiondiscoveryexecutionpersistenceprivilege_escalation

    • Disables RegEdit via registry modification

      defense_evasion

    • Disables Task Manager via registry modification

      defense_evasion

    • Modifies Windows Firewall

      defense_evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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

1
T1059

Windows Command Shell

1
T1059.003

Persistence

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

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

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks