Overview

overview

10

Static

static

10

Tide.NELau...er.exe

windows10-2004-x64

3

Tide.NELau...10.exe

windows10-2004-x64

Tide.NELau...xy.exe

windows10-2004-x64

9

Sharing

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General

  • Target
    Tide.zip
  • Size 58.9MB
  • Sample260803-jprbsaeb88
  • SHA256 e8bcefaeecdfa734c75cd7451ea8ea511dd0b811c35ae18482e8abeac9494566
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwindgh0stratpurplefoxbootkitdefense_evasiondiscoveryexecutionpersistenceratrootkitthemidatrojanupx

Malware Config

Targets

    • Target
      Tide.NELauncher.2.5.231110/TEL.ModLoader.exe
    • Size 14KB
    • SHA256 6ccb3c955a4fc54fd2c1991fd4d9be03346a5f9f1e98e0e05c28cc77b11b2589
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10
    discovery
    behavioral1
    • Target
      Tide.NELauncher.2.5.231110/Tide.NELauncher.2.4.231110.exe
    • Size 16.4MB
    • SHA256 a07b0f10c650388eca2dc8eae28e981dd1f893979b2090fab48968f9e2540d60
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    bootkitdefense_evasiondiscoveryexecutiongh0stratpurplefoxpersistenceratrootkittrojanupx

    • Detect PurpleFox Rootkit

      Detect PurpleFox Rootkit.

      rootkit

    • Family: Gh0strat

      Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

      ratgh0strat

    • Family: PurpleFox

      PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

      rootkittrojanpurplefox

    • Gh0st RAT payload

    • Disables RegEdit via registry modification

      defense_evasion

    • Drops file in Drivers directory

    • Event Triggered Execution: Image File Execution Options Injection

      persistence

    • Server Software Component: Terminal Services DLL

      persistence

    • Sets service image path in registry

      This determines the executable launched when a service starts. It can be used to establish persistence.

      persistence

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Executes dropped EXE

    • Loads dropped DLL

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Creates a new local user account

      Uses net.exe to create a new local user account, often for persistence or a backdoor account.

      persistence

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral2
    • Target
      Tide.NELauncher.2.5.231110/Tide.Proxy.exe
    • Size 6.1MB
    • SHA256 88764f6c5ef43e2d94b976400f4b23daf155b1bdb7e5c3314a91a345eabb2282
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiontrojan

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

      defense_evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral3

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create Account

1
T1136

Local Account

1
T1136.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Image File Execution Options Injection

1
T1546.012

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Server Software Component

1
T1505

Terminal Services DLL

1
T1505.005

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

1
T1546

Image File Execution Options Injection

1
T1546.012

Defense Evasion

Modify Registry

1
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Virtualization/Sandbox Evasion

1
T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks