Overview

overview

10

Static

static

3

481df2d1bb...9N.exe

windows7-x64

10

481df2d1bb...9N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    481df2d1bb42c75a91ad8a3fe9d1851ba3d05080d3d901101cc994f3040b6469N.exe

  • Size

    56KB

  • Sample

    250119-pb8a2awqbv

  • MD5

    4b6b9b9078efdea1d767e1bb8076e570

  • SHA1

    2cefdc00441bab34f9026172fc4d19c15059b5c5

  • SHA256

    481df2d1bb42c75a91ad8a3fe9d1851ba3d05080d3d901101cc994f3040b6469

  • SHA512

    a38c4d9576e6f15341900a1e75057c0e0cc078ee3b3a8ce529a158d494c3a8067f79ba90f85d8a8d591c497a96130a451395efbafd087fc347e29fbd9b57188d

  • SSDEEP

    1536:XvvqylRHMH/Jtakr8KCxEhDYcEb08+D9V2vPscW:fvVa+krSxuDIvi9+Psb

Score
10/10
njratevasionexecutionpersistenceprivilege_escalationtrojan

Malware Config

Targets

    • Target

      481df2d1bb42c75a91ad8a3fe9d1851ba3d05080d3d901101cc994f3040b6469N.exe

    • Size

      56KB

    • MD5

      4b6b9b9078efdea1d767e1bb8076e570

    • SHA1

      2cefdc00441bab34f9026172fc4d19c15059b5c5

    • SHA256

      481df2d1bb42c75a91ad8a3fe9d1851ba3d05080d3d901101cc994f3040b6469

    • SHA512

      a38c4d9576e6f15341900a1e75057c0e0cc078ee3b3a8ce529a158d494c3a8067f79ba90f85d8a8d591c497a96130a451395efbafd087fc347e29fbd9b57188d

    • SSDEEP

      1536:XvvqylRHMH/Jtakr8KCxEhDYcEb08+D9V2vPscW:fvVa+krSxuDIvi9+Psb

    Score
    10/10
    njratevasionexecutionpersistenceprivilege_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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    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

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks