Overview

overview

10

Static

static

1

b5b6e5d934...76.exe

windows7-x64

10

b5b6e5d934...76.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b5b6e5d9344d39b6ecb14d6d3076d8afdf66cafbae960a0d375f6fd19fa6d376.exe

  • Size

    114KB

  • Sample

    240523-cc5kbahg46

  • MD5

    4edd985941bb709aba126d47f208da70

  • SHA1

    402b5012a81fde9c79b108e436a3c8775c32c3c9

  • SHA256

    b5b6e5d9344d39b6ecb14d6d3076d8afdf66cafbae960a0d375f6fd19fa6d376

  • SHA512

    71f1508d54e2a547ecd6989e1017294f5f9459354089573e45b4e33d91875da220e629299de99ff5b418e33daee97d460b6be93a58a4662c5a284bab9811c01d

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDF:P5eznsjsguGDFqGZ2rDF

Score
10/10
njratneufevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Targets

    • Target

      b5b6e5d9344d39b6ecb14d6d3076d8afdf66cafbae960a0d375f6fd19fa6d376.exe

    • Size

      114KB

    • MD5

      4edd985941bb709aba126d47f208da70

    • SHA1

      402b5012a81fde9c79b108e436a3c8775c32c3c9

    • SHA256

      b5b6e5d9344d39b6ecb14d6d3076d8afdf66cafbae960a0d375f6fd19fa6d376

    • SHA512

      71f1508d54e2a547ecd6989e1017294f5f9459354089573e45b4e33d91875da220e629299de99ff5b418e33daee97d460b6be93a58a4662c5a284bab9811c01d

    • SSDEEP

      1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDF:P5eznsjsguGDFqGZ2rDF

    Score
    10/10
    njratneufevasionpersistencetrojan

    • 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 Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks