Overview

overview

10

Static

static

1f67b271e2...17.exe

windows7_x64

10

1f67b271e2...17.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    1f67b271e2ab95fd8889b0f95752e17d4b489ea8bd51fff3e23d9e48e8b54c17

  • Size

    3.2MB

  • Sample

    220309-wdlndaebcn

  • MD5

    37185cf06ca09e939d74fa52692cd2bb

  • SHA1

    28d3d5093cb8e9a4cb41e27c345a755d171c4c91

  • SHA256

    1f67b271e2ab95fd8889b0f95752e17d4b489ea8bd51fff3e23d9e48e8b54c17

  • SHA512

    4a68a39f7c8c978f9762a0f6347002572e438503b202696c499eedcb60db6bf5bdc260ec6471db4a608a51c97349aa18dd6cadf84487e21e9f10c2043e54f1a2

Score
10/10
njrathackerevasionpersistencesuricatatrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

hacker

C2

0.tcp.ngrok.io:15460

Mutex

e16fcebad3ce9184f9d944ae59ba0549

Attributes
  • reg_key

    e16fcebad3ce9184f9d944ae59ba0549

  • splitter

    |'|'|

Targets

    • Target

      1f67b271e2ab95fd8889b0f95752e17d4b489ea8bd51fff3e23d9e48e8b54c17

    • Size

      3.2MB

    • MD5

      37185cf06ca09e939d74fa52692cd2bb

    • SHA1

      28d3d5093cb8e9a4cb41e27c345a755d171c4c91

    • SHA256

      1f67b271e2ab95fd8889b0f95752e17d4b489ea8bd51fff3e23d9e48e8b54c17

    • SHA512

      4a68a39f7c8c978f9762a0f6347002572e438503b202696c499eedcb60db6bf5bdc260ec6471db4a608a51c97349aa18dd6cadf84487e21e9f10c2043e54f1a2

    Score
    10/10
    njrathackerevasionpersistencesuricatatrojan

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

      suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

      suricata

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Tasks