Overview

overview

10

Static

static

1

3b0ecf0c42...92.exe

windows7-x64

10

3b0ecf0c42...92.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3b0ecf0c426c85cb58e99915a19d243b2667a3c924aa9593764e0e66c796c092.exe

  • Size

    118KB

  • Sample

    250120-y8tctaxpat

  • MD5

    747f3a6e36ed334e721c623027678174

  • SHA1

    2d91e0589b451e80cbba6c1076bca35dd76ae12a

  • SHA256

    3b0ecf0c426c85cb58e99915a19d243b2667a3c924aa9593764e0e66c796c092

  • SHA512

    b6c996d34ff130814f1085cd2525ced5564d5954869e4752477b635f74a4c2a53b4734ccb20b556728542d0f482afd2f7f1f3710698be81943af9ac910c53e85

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLf/:P5eznsjsguGDFqGZ2rDLf/

Score
10/10
njratneufdefense_evasiondiscoverypersistenceprivilege_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

      3b0ecf0c426c85cb58e99915a19d243b2667a3c924aa9593764e0e66c796c092.exe

    • Size

      118KB

    • MD5

      747f3a6e36ed334e721c623027678174

    • SHA1

      2d91e0589b451e80cbba6c1076bca35dd76ae12a

    • SHA256

      3b0ecf0c426c85cb58e99915a19d243b2667a3c924aa9593764e0e66c796c092

    • SHA512

      b6c996d34ff130814f1085cd2525ced5564d5954869e4752477b635f74a4c2a53b4734ccb20b556728542d0f482afd2f7f1f3710698be81943af9ac910c53e85

    • SSDEEP

      1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLf/:P5eznsjsguGDFqGZ2rDLf/

    Score
    10/10
    njratneufdefense_evasiondiscoverypersistenceprivilege_escalationtrojan

    • Njrat family

      njrat

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Modifies Windows Firewall

      defense_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