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-dj75fsswbt
  • SHA256 5d083d95637f8ba19d5f346ff4cfb9c78f65ede0afffda7f7348720a08b62fa8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
njrathackeddefense_evasiondiscoveryexecutionpersistenceprivilege_escalationransomwaretrojan

Malware Config

Extracted

Family

  • njrat

Version

  • im523

Botnet

  • HacKed

C2

  • 40.tcp.vip.cpolar.cn:11943

Mutex

  • 7277fc59767d46f6a05b4682d39cfb4c

Attributes
  • reg_key

    7277fc59767d46f6a05b4682d39cfb4c

  • splitter

    |'|'|

Targets

    • Target
      Server.exe
    • Size 37KB
    • SHA256 5d083d95637f8ba19d5f346ff4cfb9c78f65ede0afffda7f7348720a08b62fa8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    defense_evasiondiscoveryexecutionpersistenceprivilege_escalationransomware

    • Modifies Windows Firewall

      defense_evasion

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence
    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

3
T1546

Change Default File Association

1
T1546.001

Component Object Model Hijacking

1
T1546.015

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

3
T1546

Change Default File Association

1
T1546.001

Component Object Model Hijacking

1
T1546.015

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

Browser Information Discovery

1
T1217

Query Registry

4
T1012

Remote System Discovery

1
T1018

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks