Overview

overview

10

Static

static

3

2a61cdee5f...1N.exe

windows7-x64

10

2a61cdee5f...1N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N

  • Size

    531KB

  • Sample

    241109-vl25naxmfw

  • MD5

    5672033192553965f397e00cc5ed2b90

  • SHA1

    4238c1c5240ad9332e58c4bca9305cb3ae57c9eb

  • SHA256

    2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1

  • SHA512

    ef743cbf8060a11748a430b618165ab7885b4d3ff6aca51b50d59ac3ab3a2ec2cc9ad11befd217c76c3124e1d89320e215acc1a42fbc0b838840638b982a284e

  • SSDEEP

    12288:quhrOarWLTR2viEmOG6LZgE5T/j85ZGyOcqz5:qx2HzG6lTb8WyOck5

Score
10/10
njratbekadiscoveryevasionexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

BEKA

C2

ronymahmoud.casacam.net:1177

Mutex

32bad0fc686dd5769ff8860131056010

Attributes
  • reg_key

    32bad0fc686dd5769ff8860131056010

  • splitter

    |'|'|

Targets

    • Target

      2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1N

    • Size

      531KB

    • MD5

      5672033192553965f397e00cc5ed2b90

    • SHA1

      4238c1c5240ad9332e58c4bca9305cb3ae57c9eb

    • SHA256

      2a61cdee5f9d7dd4930aef9774a9bb909fb15e3c62f5dcad5d7c9843ffc4c3b1

    • SHA512

      ef743cbf8060a11748a430b618165ab7885b4d3ff6aca51b50d59ac3ab3a2ec2cc9ad11befd217c76c3124e1d89320e215acc1a42fbc0b838840638b982a284e

    • SSDEEP

      12288:quhrOarWLTR2viEmOG6LZgE5T/j85ZGyOcqz5:qx2HzG6lTb8WyOck5

    Score
    10/10
    njratbekadiscoveryevasionexecutionpersistenceprivilege_escalationtrojan

    • Njrat family

      njrat

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

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

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

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