Overview

overview

10

Static

static

10

system.exe

windows10-ltsc_2021-x64

Sharing

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General

  • Target
    system.exe
  • Size 55KB
  • Sample261031-m327zshb34
  • SHA256 b33ff36590e50d5b443dc1a3dc325dfff4f7ae5af83ac697bcd01a9cf9174627
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
njratvictimdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

  • njrat

Version

  • <- NjRAT 0.7d Horror Edition ->

Botnet

  • Victim

C2

  • 11.tcp.vip.cpolar.cn:11019

Mutex

  • b58f768ecfe4f491bacfd3e0c21574c7

Attributes
  • reg_key

    b58f768ecfe4f491bacfd3e0c21574c7

  • splitter

    Y262SUCZ4UJJ

Targets

    • Target
      system.exe
    • Size 55KB
    • SHA256 b33ff36590e50d5b443dc1a3dc325dfff4f7ae5af83ac697bcd01a9cf9174627
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    victimdefense_evasiondiscoveryexecutionnjratpersistenceprivilege_escalationtrojan

    • Family: njRAT/Bladabindi

      Widely used RAT written in .NET.

      trojannjrat

    • Checks computer location settings

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

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

      persistenceprivilege_escalation

    • Executes a file named after a Windows system binary

      The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

      defense_evasion

    • Executes dropped EXE

    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Masquerading

1
T1036

Match Legitimate Name or Location

1
T1036.005

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Video Capture

1
T1125

Command and Control

Exfiltration

Impact

Tasks