Overview

overview

10

Static

static

1

NetSupport School.msi

windows10-1703-x64

10

Sharing

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General

  • Target
    NetSupport School.msi
  • Size 150.2MB
  • Sample240902-aes8yswblm
  • SHA256 1d78526f6b8a98475210e12d2183805bbd22469b63d2e11354987c1c6782ed72
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
netsupportdiscoverypersistenceprivilege_escalationrat

Malware Config

Targets

    • Target
      NetSupport School.msi
    • Size 150.2MB
    • SHA256 1d78526f6b8a98475210e12d2183805bbd22469b63d2e11354987c1c6782ed72
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    netsupportdiscoverypersistenceprivilege_escalationrat

    • NetSupport

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

      ratnetsupport

    • Drops file in Drivers directory

    • Sets service image path in registry

      persistence

    • Blocklisted process makes network request

    • Enumerates connected drives

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

    • Modifies WinLogon

      persistence

    • Drops file in System32 directory

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

      persistenceprivilege_escalation

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Component Object Model Hijacking

1
T1546.015

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

3
T1112

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks