Overview

overview

8

Static

static

3

RDPW_Installer.exe

windows10-2004-x64

8

RDPW_Installer.exe

windows11-ltsc_2024-x64

8

Sharing

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General

  • Target
    RDPW_Installer.exe
  • Size 2.4MB
  • Sample260729-pptpssvanf
  • SHA256 932bcf6c68e34fb99ffafb5ae62a1473fe761d961034cb5630dc3a9ba9155ccb
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
defense_evasiondiscoveryexecutionpersistenceprivilege_escalation

Malware Config

Targets

    • Target
      RDPW_Installer.exe
    • Size 2.4MB
    • SHA256 932bcf6c68e34fb99ffafb5ae62a1473fe761d961034cb5630dc3a9ba9155ccb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    8/10
    defense_evasiondiscoveryexecutionpersistenceprivilege_escalation

    • Modifies RDP port number used by Windows

    • Modifies Windows Firewall

      defense_evasion

    • Server Software Component: Terminal Services DLL

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Modifies WinLogon

      persistence

    • Drops file in System32 directory

    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

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Server Software Component

1
T1505

Terminal Services DLL

1
T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Remote Services

1
T1021

Remote Desktop Protocol

1
T1021.001

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks