Overview

overview

10

Static

static

1

920c7f7f1b...74.exe

windows7-x64

10

920c7f7f1b...74.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    920c7f7f1b463047369f658b199e0474.exe
  • Size 120KB
  • Sample250110-bf3pfsynbk
  • SHA256 aa16d79a7d5d91927c0bf58de137a83dedc30ec19bb3d9b6e3af626fa59064b4
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
njratneufdiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

  • njrat

Version

  • 0.7d

Botnet

  • neuf

C2

  • doddyfire.linkpc.net:10000

Mutex

  • e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Targets

    • Target
      920c7f7f1b463047369f658b199e0474.exe
    • Size 120KB
    • SHA256 aa16d79a7d5d91927c0bf58de137a83dedc30ec19bb3d9b6e3af626fa59064b4
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    njratneufdiscoveryevasionpersistenceprivilege_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.

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    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