Overview

overview

10

Static

static

3

Fps bost .exe

windows10-2004-x64

Fps bost .exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Fps bost .exe
  • Size 124KB
  • Sample261109-yl22favtby
  • SHA256 d8d5681827eb7beddb5b3e25e5d7f5e23c747832a85ab9264e65bcee7fc96a8c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
njratvictimbootkitdefense_evasiondiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

  • njrat

Version

  • <- NjRAT 0.7d Horror Edition ->

Botnet

  • Victim

C2

  • 17.tcp.cpolar.top:14363

Mutex

  • 86055bbf8364ef369aa589ccfa2efa99

Attributes
  • reg_key

    86055bbf8364ef369aa589ccfa2efa99

  • splitter

    Y262SUCZ4UJJ

Targets

    • Target
      Fps bost .exe
    • Size 124KB
    • SHA256 d8d5681827eb7beddb5b3e25e5d7f5e23c747832a85ab9264e65bcee7fc96a8c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    victimdefense_evasiondiscoveryexecutionnjratpersistenceprivilege_escalationtrojanbootkit

    • 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 dropped EXE

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence
    behavioral1behavioral2

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

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

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

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

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