Overview

overview

10

Static

static

1

81f37485c8...c7.exe

windows7-x64

10

81f37485c8...c7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    81f37485c8b3d9a6b8dceccefe4c3bc1249d15a80159d29da6ad8d745077b3c7.exe

  • Size

    114KB

  • Sample

    240615-b64dnsvdpa

  • MD5

    3a7ed108996692ef6f30196857c407f5

  • SHA1

    a39d0ac59b077a70f2e8b2d858d1ce7dc66600fd

  • SHA256

    81f37485c8b3d9a6b8dceccefe4c3bc1249d15a80159d29da6ad8d745077b3c7

  • SHA512

    155a8eb59dd4c8437ae200c4b8a304b78e122e1a112ad1bdc816fc01473f48fe6cb6ee6e967009da3e6a366c91d8aeda62f54ae1055559e8957d0ed65f64e2be

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMhJ:P5eznsjsguGDFqGZ2rhJ

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

      81f37485c8b3d9a6b8dceccefe4c3bc1249d15a80159d29da6ad8d745077b3c7.exe

    • Size

      114KB

    • MD5

      3a7ed108996692ef6f30196857c407f5

    • SHA1

      a39d0ac59b077a70f2e8b2d858d1ce7dc66600fd

    • SHA256

      81f37485c8b3d9a6b8dceccefe4c3bc1249d15a80159d29da6ad8d745077b3c7

    • SHA512

      155a8eb59dd4c8437ae200c4b8a304b78e122e1a112ad1bdc816fc01473f48fe6cb6ee6e967009da3e6a366c91d8aeda62f54ae1055559e8957d0ed65f64e2be

    • SSDEEP

      1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMhJ:P5eznsjsguGDFqGZ2rhJ

    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