Overview

overview

10

Static

static

3

4ce4a03402...54.exe

windows7-x64

10

4ce4a03402...54.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4ce4a034024c108c1ec4c38bc0235f3ab94b5f308199a5c60e3cd706bfb46854

  • Size

    183KB

  • Sample

    250127-14wngsxlby

  • MD5

    0b786d749488d1dbce96ba6d70b81afb

  • SHA1

    73d338f2788538fc3e082c0bcfda073bccb6c304

  • SHA256

    4ce4a034024c108c1ec4c38bc0235f3ab94b5f308199a5c60e3cd706bfb46854

  • SHA512

    a2e6478902481aba53f1cc6bd344c55aefc96d880939d33f8a91731983b329392ef75b7e11886809c5321e3e1176484bdd04e96eebd5f7021ba3a705f0f70585

  • SSDEEP

    3072:kmh7/CUBBSUb4XVkF4HGaBEl6OygXlL2RFQoP7JmKWNFTkEt8QXrQQck+/lFOjzP:kmhbCdM4mMgR2RaKWfj8QXrAlMgM

Score
10/10
njrathackeddefense_evasiondiscoverypersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

kkttyy.kro.kr:2859

Mutex

d059b6aa76c2da376867aa3188bcd31f

Attributes
  • reg_key

    d059b6aa76c2da376867aa3188bcd31f

  • splitter

    |'|'|

Targets

    • Target

      4ce4a034024c108c1ec4c38bc0235f3ab94b5f308199a5c60e3cd706bfb46854

    • Size

      183KB

    • MD5

      0b786d749488d1dbce96ba6d70b81afb

    • SHA1

      73d338f2788538fc3e082c0bcfda073bccb6c304

    • SHA256

      4ce4a034024c108c1ec4c38bc0235f3ab94b5f308199a5c60e3cd706bfb46854

    • SHA512

      a2e6478902481aba53f1cc6bd344c55aefc96d880939d33f8a91731983b329392ef75b7e11886809c5321e3e1176484bdd04e96eebd5f7021ba3a705f0f70585

    • SSDEEP

      3072:kmh7/CUBBSUb4XVkF4HGaBEl6OygXlL2RFQoP7JmKWNFTkEt8QXrQQck+/lFOjzP:kmhbCdM4mMgR2RaKWfj8QXrAlMgM

    Score
    10/10
    njrathackeddefense_evasiondiscoverypersistenceprivilege_escalationtrojan

    • Njrat family

      njrat

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Modifies Windows Firewall

      defense_evasion

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • 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 Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1
T1091

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

Replication Through Removable Media

1
T1091

Collection

Command and Control

Exfiltration

Impact

Tasks