Overview

overview

10

Static

static

1

f3e72ad474...e2.exe

windows7-x64

10

f3e72ad474...e2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f3e72ad4740bcef1746ca93fdb0ee8d70f7c7f4aef0017aebed18173d6fcffe2.exe

  • Size

    120KB

  • Sample

    250113-azbjmsxkby

  • MD5

    d986b47402659be6080d4ed28b9f0875

  • SHA1

    db348146d329c59b7fe35a87d228db2b9e22b906

  • SHA256

    f3e72ad4740bcef1746ca93fdb0ee8d70f7c7f4aef0017aebed18173d6fcffe2

  • SHA512

    14e5258df799fd5c9f428b692def624063484933e788f2e05469bd281e5d2330928cd9a1f595f260dcd99b3713f49d371ebf09b0ee4282bc08edaf05b085fb3b

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVgd:P5eznsjsguGDFqGZ2rDLm

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

      f3e72ad4740bcef1746ca93fdb0ee8d70f7c7f4aef0017aebed18173d6fcffe2.exe

    • Size

      120KB

    • MD5

      d986b47402659be6080d4ed28b9f0875

    • SHA1

      db348146d329c59b7fe35a87d228db2b9e22b906

    • SHA256

      f3e72ad4740bcef1746ca93fdb0ee8d70f7c7f4aef0017aebed18173d6fcffe2

    • SHA512

      14e5258df799fd5c9f428b692def624063484933e788f2e05469bd281e5d2330928cd9a1f595f260dcd99b3713f49d371ebf09b0ee4282bc08edaf05b085fb3b

    • SSDEEP

      1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVgd:P5eznsjsguGDFqGZ2rDLm

    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