Overview

overview

10

Static

static

1

b7680b33b2...bN.exe

windows7-x64

10

b7680b33b2...bN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b7680b33b2552fffc6be3fd01c7a38345f0a9919f3dc7e6d138cf5b94fe3f5abN.exe

  • Size

    118KB

  • Sample

    241207-25g26atrep

  • MD5

    659e5779fb844ef0f4cffcdf8f8adc40

  • SHA1

    ff803efdcb9cd3735012591e238e15cc55b55e44

  • SHA256

    b7680b33b2552fffc6be3fd01c7a38345f0a9919f3dc7e6d138cf5b94fe3f5ab

  • SHA512

    626fd79651a226c9945cab61a6152eed1e742b7f317b51c7558d074ebae85e16ce9f1c9248a008b298bd116753754d913f2410d4f9c08417bee06b120d9f87a1

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVgt:P5eznsjsguGDFqGZ2rDLE

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

      b7680b33b2552fffc6be3fd01c7a38345f0a9919f3dc7e6d138cf5b94fe3f5abN.exe

    • Size

      118KB

    • MD5

      659e5779fb844ef0f4cffcdf8f8adc40

    • SHA1

      ff803efdcb9cd3735012591e238e15cc55b55e44

    • SHA256

      b7680b33b2552fffc6be3fd01c7a38345f0a9919f3dc7e6d138cf5b94fe3f5ab

    • SHA512

      626fd79651a226c9945cab61a6152eed1e742b7f317b51c7558d074ebae85e16ce9f1c9248a008b298bd116753754d913f2410d4f9c08417bee06b120d9f87a1

    • SSDEEP

      1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLVgt:P5eznsjsguGDFqGZ2rDLE

    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