Overview

overview

10

Static

static

10

a6f32d15c2...cb.exe

windows7-x64

10

a6f32d15c2...cb.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    a6f32d15c2d83286fe4de90337c90c8a3844d838aa9baad34fa76f492b5782cb.exe

  • Size

    37KB

  • Sample

    241214-pj4b2stker

  • MD5

    b9ada94355eb4620796420f457edcaa1

  • SHA1

    2913a116f9fea713045de4a59ae55d1fe4c407ec

  • SHA256

    a6f32d15c2d83286fe4de90337c90c8a3844d838aa9baad34fa76f492b5782cb

  • SHA512

    f241ce9603b2d7f8434d16beb607cef2b42cc6260813d7f1fa41ade3e9e421bd3ecde2bb22277daefefd970afef84c723c1d9f299f8bd5668de35b2acd6db33e

  • SSDEEP

    384:CsmI2giHF1tJvubMcKyMTsCPpYTHusyrAF+rMRTyN/0L+EcoinblneHQM3epzX1N:tmDT/Jc5MTsCGzufrM+rMRa8NuPHt

Score
10/10
njrathackeddiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

lol777.ddns.net:1212

Mutex

422eaa97c415f834e53f120f3eb1c490

Attributes
  • reg_key

    422eaa97c415f834e53f120f3eb1c490

  • splitter

    |'|'|

Targets

    • Target

      a6f32d15c2d83286fe4de90337c90c8a3844d838aa9baad34fa76f492b5782cb.exe

    • Size

      37KB

    • MD5

      b9ada94355eb4620796420f457edcaa1

    • SHA1

      2913a116f9fea713045de4a59ae55d1fe4c407ec

    • SHA256

      a6f32d15c2d83286fe4de90337c90c8a3844d838aa9baad34fa76f492b5782cb

    • SHA512

      f241ce9603b2d7f8434d16beb607cef2b42cc6260813d7f1fa41ade3e9e421bd3ecde2bb22277daefefd970afef84c723c1d9f299f8bd5668de35b2acd6db33e

    • SSDEEP

      384:CsmI2giHF1tJvubMcKyMTsCPpYTHusyrAF+rMRTyN/0L+EcoinblneHQM3epzX1N:tmDT/Jc5MTsCGzufrM+rMRa8NuPHt

    Score
    10/10
    njrathackeddiscoveryevasionpersistenceprivilege_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.

    • 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