Overview

overview

10

Static

static

3

update.msi

windows10-2004-x64

10

update.msi

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    update.msi
  • Size 10KB
  • Sample261030-afwepsvs2p
  • SHA256 103effef80a10ca75f5ea953064c97fa1439afb3152c8451ffb37bb9bc8b6699
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
netsupportdefense_evasiondiscoveryexecutioninstallerpersistenceprivilege_escalationransomwarerat

Malware Config

Targets

    • Target
      update.msi
    • Size 10KB
    • SHA256 103effef80a10ca75f5ea953064c97fa1439afb3152c8451ffb37bb9bc8b6699
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionnetsupportinstallerpersistenceprivilege_escalationransomwarerat

    • Family: NetSupport

      NetSupport is a remote access tool sold as a legitimate system administration software.

      ratnetsupport

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Downloads MZ/PE file

    • Modifies Windows Firewall

      defense_evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

Windows Command Shell

1
T1059.003

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

2
T1546

Installer Packages

1
T1546.016

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

2
T1546

Installer Packages

1
T1546.016

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

System Binary Proxy Execution

1
T1218

Msiexec

1
T1218.007

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

3
T1012

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks