Overview

overview

10

Static

static

1

b7fdf21cba...6c.exe

windows7-x64

10

b7fdf21cba...6c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c

  • Size

    114KB

  • Sample

    241029-e4qlksvhrm

  • MD5

    51fcb0e1145f66264117c2ee3acb717c

  • SHA1

    6e06473649aaa011538582788644181849dc9bc2

  • SHA256

    b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c

  • SHA512

    ec3e189e63d873a12807b573e091b009f5b706b1bbe55ad82760815cbc01c08c874986d49fa97ba9ec876987a17f00619159774f6a3d7ea432f4e22a784d69b8

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdeRa:P5eznsjsguGDFqGZ2rca

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

      b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c

    • Size

      114KB

    • MD5

      51fcb0e1145f66264117c2ee3acb717c

    • SHA1

      6e06473649aaa011538582788644181849dc9bc2

    • SHA256

      b7fdf21cbaa45e99da150a3a51c8eb533a5799dda55dff138d15fadb48286b6c

    • SHA512

      ec3e189e63d873a12807b573e091b009f5b706b1bbe55ad82760815cbc01c08c874986d49fa97ba9ec876987a17f00619159774f6a3d7ea432f4e22a784d69b8

    • SSDEEP

      1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdeRa:P5eznsjsguGDFqGZ2rca

    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