Overview

overview

10

Static

static

1

8cef03b0ba...8N.exe

windows7-x64

10

8cef03b0ba...8N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8cef03b0ba383d5e40062d57f03579936c8d1e0b42c6f480f4b93bcedb284398N.exe

  • Size

    118KB

  • Sample

    250120-ez63rs1nbq

  • MD5

    f770720a1144d0e0c46c0530b601d860

  • SHA1

    384435b2abcf711571b656c5e500eb6f82616f96

  • SHA256

    8cef03b0ba383d5e40062d57f03579936c8d1e0b42c6f480f4b93bcedb284398

  • SHA512

    20ffd3eed997998dffd24f3dbc6dd569d29bdd1fc3a2fc266ad3d52b17164e7af5b59b954641a81f4d09a97a0632076f0bf84a8d23e202b726037e8a9d8c074b

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLf3:P5eznsjsguGDFqGZ2rDLf3

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

      8cef03b0ba383d5e40062d57f03579936c8d1e0b42c6f480f4b93bcedb284398N.exe

    • Size

      118KB

    • MD5

      f770720a1144d0e0c46c0530b601d860

    • SHA1

      384435b2abcf711571b656c5e500eb6f82616f96

    • SHA256

      8cef03b0ba383d5e40062d57f03579936c8d1e0b42c6f480f4b93bcedb284398

    • SHA512

      20ffd3eed997998dffd24f3dbc6dd569d29bdd1fc3a2fc266ad3d52b17164e7af5b59b954641a81f4d09a97a0632076f0bf84a8d23e202b726037e8a9d8c074b

    • SSDEEP

      1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLf3:P5eznsjsguGDFqGZ2rDLf3

    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