Overview

overview

10

Static

static

1

classroom....h2.msi

windows7-x64

10

classroom....h2.msi

windows10-2004-x64

10

Sharing

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General

  • Target

    classroom.cloud.1.1e32ad54-8afb-4c05-a1c5-6e3e40e93fe4.uksouth2.msi

  • Size

    54.1MB

  • Sample

    250108-1etslaxjap

  • MD5

    7ac4d934b4d49e2fe9376a5d6071e95a

  • SHA1

    26f48f7235651115d4ae806b67867255fbff3498

  • SHA256

    d933149df4213449714cf63a0d63d04cb632caa97845579eae269bf16b5badcf

  • SHA512

    795429c6952e71ccd09259ce3bc4ccd6aa1a31ac193aff057ae160af8fa3000fcc7704ba3e5047c571797703fa4fbcfe7b3b40d89c2299c7bdb7c37138b64d11

  • SSDEEP

    1572864:FTBHdo6SPs7HpTeowced2oC6ho5fstdq:FNNSPIpTeoVed22

Score
10/10
netsupportdiscoverypersistenceprivilege_escalationrat

Malware Config

Targets

    • Target

      classroom.cloud.1.1e32ad54-8afb-4c05-a1c5-6e3e40e93fe4.uksouth2.msi

    • Size

      54.1MB

    • MD5

      7ac4d934b4d49e2fe9376a5d6071e95a

    • SHA1

      26f48f7235651115d4ae806b67867255fbff3498

    • SHA256

      d933149df4213449714cf63a0d63d04cb632caa97845579eae269bf16b5badcf

    • SHA512

      795429c6952e71ccd09259ce3bc4ccd6aa1a31ac193aff057ae160af8fa3000fcc7704ba3e5047c571797703fa4fbcfe7b3b40d89c2299c7bdb7c37138b64d11

    • SSDEEP

      1572864:FTBHdo6SPs7HpTeowced2oC6ho5fstdq:FNNSPIpTeoVed22

    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
    behavioral1behavioral2

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

2
T1546

Component Object Model Hijacking

1
T1546.015

Installer Packages

1
T1546.016

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

2
T1546

Component Object Model Hijacking

1
T1546.015

Installer Packages

1
T1546.016

Defense Evasion

Modify Registry

3
T1112

System Binary Proxy Execution

1
T1218

Msiexec

1
T1218.007

Credential Access

Discovery

Peripheral Device Discovery

2
T1120

Query Registry

2
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks