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Overview

overview

10

Static

static

1

NetSupport...03.exe

windows11-21h2-x64

10

NetSupportInstall.bat

windows11-21h2-x64

10

Resubmissions

31/01/2025, 13:58

250131-raba1sxmhw 10

31/01/2025, 13:56

250131-q8rvzszjgm 10

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General

  • Target

    NetSupport School Student 15.10.0003.zip

  • Size

    146.3MB

  • Sample

    250131-raba1sxmhw

  • MD5

    3bf1612dfb04b1c0d671c07da43a3f44

  • SHA1

    e5480a23c5a335f165b2fb90c2c54cb048dbae5c

  • SHA256

    6bdf18220b60167f19d0294e351432cbe3ec83e905b620dcad8aea8260d3fbf3

  • SHA512

    64c4f5bda6bd8e46094d43b75d451e80c946fed52d38b651899f8e896116ab8610a0b20149f8428b1252e82b4e032f206aac9b2ff52b32ead5b0caa770fc8474

  • SSDEEP

    3145728:HKB1f/SCtkhbkn+3fXSRyNg+VfMdbUiAEopNWdH1RBWXUsThIudv:HKTnSCtkhbAi1BVE2Egcd8dlI0

Score
10/10
netsupportdiscoverypersistenceprivilege_escalationrat

Malware Config

Targets

    • Target

      NetSupport School 15.10.0003.exe

    • Size

      146.9MB

    • MD5

      50c6a195ea8b2cac825a3bd2b2e5d5f7

    • SHA1

      7704b7bc735066139657919cc589fef8fdfd76a1

    • SHA256

      f1f0d729245cd9272510e8fd258708ead8ed7ab0db39343c6f69cf9d35a35c2b

    • SHA512

      838332cb950b70aef47ffbff2dbb1503b26ee0fcb702376fbf6633e00bd33aa2b8add3432b28ce79ce0b44d51a7812dbb9c749782d4efc21c5df7c7a78a53088

    • SSDEEP

      3145728:7ghv5tQmlmVPMfix3deHWzomfJ4dbOO+2iX3gvB159GRiYDNAC77:7gF7QmlmVPguPRfy62KwvO/BAe

    Score
    10/10
    netsupportdiscoverypersistenceprivilege_escalationrat

    • NetSupport

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

      ratnetsupport

    • Netsupport family

      netsupport

    • 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

    • Target

      NetSupportInstall.bat

    • Size

      66B

    • MD5

      c64fd547b11cc65bfbb93bdbfa750eef

    • SHA1

      216ce7fa10a536b32b868746da7b970382c61453

    • SHA256

      7994b920cb245256765becf9fe5bd8e09b3525814846eed4296204b454303a15

    • SHA512

      60afdc2621be2491eaa4ddda0c1f7aa689c18a022646292afed94d92a8344622bc05c36738724dbedcc1c5310ad57890e1ab9142b06c5f9127e5bedb987a2179

    Score
    10/10
    netsupportdiscoverypersistenceprivilege_escalationrat

    • NetSupport

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

      ratnetsupport

    • Netsupport family

      netsupport

    • Drops file in Drivers directory

    • Sets service image path in registry

      persistence

    • 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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral2

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