Overview

overview

10

Static

static

1

f5c3ea5d83...ff.exe

windows7-x64

10

f5c3ea5d83...ff.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    1b6586e52dbbb523ba634b776930e318.bin

  • Size

    61KB

  • Sample

    240611-bzrfjaygjc

  • MD5

    bc7d9305dc810ae677ebae4d9d2b5d40

  • SHA1

    66a4330f26df3cdff7c0104e8967b3043712046e

  • SHA256

    dfd5058b7475e99c4c3cc04eb2d531299ccc8e3d9ab3611a50f72e990430f4b3

  • SHA512

    b81a8174957e4036b7ba6dfe1a5b23e6e38b10b6595abaf87992f241efc923401dde328dcbe794b40738e992b5b9001faaf402172ca2458d44632f821edaf3b2

  • SSDEEP

    1536:fw61kKpQ5SgiMXsoDTKXCSwD19MYR2vxyYT1nO7L:zk9RDsGPwvx/1nqL

Score
10/10
njratneufevasionpersistencetrojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Targets

    • Target

      f5c3ea5d83c91bbc77eeb5221e38bcbe276337b757d073fc2e812a68669f73ff.exe

    • Size

      114KB

    • MD5

      1b6586e52dbbb523ba634b776930e318

    • SHA1

      294304b4cd4a40a911d62addee35c6d546057b27

    • SHA256

      f5c3ea5d83c91bbc77eeb5221e38bcbe276337b757d073fc2e812a68669f73ff

    • SHA512

      efe2be9c665b4dd0a510f227f8e678fe815265e9c5a393f737ba7228fad2ad56a2004280ee49c90969386acaecec73d4d0fc2019492470f13b5d5bd111bdb406

    • SSDEEP

      1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDIN:P5eznsjsguGDFqGZ2rDIN

    Score
    10/10
    njratneufevasionpersistencetrojan

    • 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 Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks