Overview

overview

10

Static

static

10

SentinelClient.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    SentinelClient.exe
  • Size 80KB
  • Sample260813-p3bfdahn2x
  • SHA256 cba6dcd8fb5b21f8c5cfb8ced820678f49c400c94296aa493b8fade7aa774391
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
sentinelratdefense_evasiondiscoveryexecutionpersistencerattrojan

Malware Config

Targets

    • Target
      SentinelClient.exe
    • Size 80KB
    • SHA256 cba6dcd8fb5b21f8c5cfb8ced820678f49c400c94296aa493b8fade7aa774391
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionsentinelratpersistencerattrojan

    • Detects SentinelRAT payload

    • Family: SentinelRAT

      SentinelRAT is a Windows remote access tool written in C#.

      ratsentinelrat

    • Modifies firewall policy service

      defense_evasion

    • UAC bypass

      defense_evasiontrojan

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Disables RegEdit via registry modification

      defense_evasion

    • Disables Task Manager via registry modification

      defense_evasion

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

      discovery

    • Executes a VBScript file via the Windows Script Host.

      execution
    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

Visual Basic

1
T1059.005

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

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

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

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

4
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks