Overview

overview

10

Static

static

10

Server.exe

windows7-x64

10

Server.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Server.exe

  • Size

    287KB

  • Sample

    241031-haztyatnan

  • MD5

    ea17b12f90b9d9f940454651bb23ddb2

  • SHA1

    1f06fc12afcf267d8663bf92e00a09c46b68c849

  • SHA256

    c178a4227f0869c0ec5b0cc1d1ebff42a82a4b3f23e71c2fdccf5673d1f5e287

  • SHA512

    62086639d824584da2c269bc31932efe8660732dcd15f071436e794fb8687e2b89c1551d6439dcb0e5f02213bdbdbf078c4b220b39ac64c79e9c98dbf3f632a9

  • SSDEEP

    3072:Acwb092QAsSdADRq6ty71wtYM77ldY7AXTp2kA:ZuwH77Ppj0kA

Score
10/10
njrathackeddiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:8888

Mutex

a3bfe23a1eca722fceb292fb6eee1294

Attributes
  • reg_key

    a3bfe23a1eca722fceb292fb6eee1294

  • splitter

    |'|'|

Targets

    • Target

      Server.exe

    • Size

      287KB

    • MD5

      ea17b12f90b9d9f940454651bb23ddb2

    • SHA1

      1f06fc12afcf267d8663bf92e00a09c46b68c849

    • SHA256

      c178a4227f0869c0ec5b0cc1d1ebff42a82a4b3f23e71c2fdccf5673d1f5e287

    • SHA512

      62086639d824584da2c269bc31932efe8660732dcd15f071436e794fb8687e2b89c1551d6439dcb0e5f02213bdbdbf078c4b220b39ac64c79e9c98dbf3f632a9

    • SSDEEP

      3072:Acwb092QAsSdADRq6ty71wtYM77ldY7AXTp2kA:ZuwH77Ppj0kA

    Score
    10/10
    njrathackeddiscoveryevasionpersistenceprivilege_escalationtrojan

    • Njrat family

      njrat

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

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

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

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks