Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250619-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/08/2025, 15:24

General

  • Target
    chrome_134.exe
  • Size 8.3MB
  • Sample250822-stdqxsvybx
  • SHA256 37e685f65a4fba8a3d6e739305370a8bf9134b8ddca8f0ef0e02fb32e9a3cc0f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Xmrig family
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • XMRig Miner payload 19 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Creates new service(s) 2 TTPs
  • Drops file in Drivers directory 2 IoCs
  • Modifies trusted root certificate store through registry 1 TTPs 4 IoCs

    A root certificate was added, modified, or removed in the trusted certificate store registry paths.

  • Stops running service(s) 4 TTPs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Themida packer 13 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Power Settings 1 TTPs 8 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.

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Launches sc.exe 14 IoCs

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

  • Modifies data under HKEY_USERS 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\chrome_134.exe
    "C:\Users\Admin\AppData\Local\Temp\chrome_134.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Drops file in Drivers directory
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:3232
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Modifies trusted root certificate store through registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3568
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4672
      • C:\Windows\system32\wusa.exe
        wusa /uninstall /kb:890830 /quiet /norestart
        3⤵
          PID:4780
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop UsoSvc
        2⤵
        • Launches sc.exe
        PID:4572
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop WaaSMedicSvc
        2⤵
        • Launches sc.exe
        PID:4592
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop wuauserv
        2⤵
        • Launches sc.exe
        PID:5728
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop bits
        2⤵
        • Launches sc.exe
        PID:3508
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop dosvc
        2⤵
        • Launches sc.exe
        PID:4688
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:852
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:5452
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:5320
      • C:\Windows\system32\powercfg.exe
        C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
        2⤵
        • Power Settings
        • Suspicious use of AdjustPrivilegeToken
        PID:6100
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe delete "GoogleUpdateTaskMachineQC"
        2⤵
        • Launches sc.exe
        PID:1364
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe create "GoogleUpdateTaskMachineQC" binpath= "C:\ProgramData\Google\Chrome\updater.exe" start= "auto"
        2⤵
        • Launches sc.exe
        PID:936
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe stop eventlog
        2⤵
        • Launches sc.exe
        PID:2596
      • C:\Windows\system32\sc.exe
        C:\Windows\system32\sc.exe start "GoogleUpdateTaskMachineQC"
        2⤵
        • Launches sc.exe
        PID:6072
    • C:\ProgramData\Google\Chrome\updater.exe
      C:\ProgramData\Google\Chrome\updater.exe
      1⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Drops file in Drivers directory
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Drops file in System32 directory
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4876
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Modifies trusted root certificate store through registry
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3172
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5444
        • C:\Windows\system32\wusa.exe
          wusa /uninstall /kb:890830 /quiet /norestart
          3⤵
            PID:5880
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop UsoSvc
          2⤵
          • Launches sc.exe
          PID:4360
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop WaaSMedicSvc
          2⤵
          • Launches sc.exe
          PID:3912
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop wuauserv
          2⤵
          • Launches sc.exe
          PID:1964
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop bits
          2⤵
          • Launches sc.exe
          PID:1716
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop dosvc
          2⤵
          • Launches sc.exe
          PID:1304
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1124
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:2428
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:4060
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
          2⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:880
        • C:\Windows\system32\conhost.exe
          C:\Windows\system32\conhost.exe
          2⤵
            PID:3228
          • C:\Windows\explorer.exe
            explorer.exe
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:5700

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              updater.exe

              • Path C:\ProgramData\Google\Chrome\updater.exe
              • Size 8.3MB
              • SHA256 37e685f65a4fba8a3d6e739305370a8bf9134b8ddca8f0ef0e02fb32e9a3cc0f
              • MD5 SHA1 SHA512 SSDEEP

              __PSScriptPolicyTest_wbzuatbu.kcq.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wbzuatbu.kcq.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512

              hosts

              • Path C:\Windows\system32\drivers\etc\hosts
              • Size 3KB
              • SHA256 eda1aae2c8fce700e3bdbe0186cf3db88400cf0ac13ec736e84dacba61628a01
              • MD5 SHA1 SHA512

              memory/3172-48-0x00000194E3E50000-0x00000194E3E6C000-memory.dmp

              memory/3172-56-0x00000194E6350000-0x00000194E635A000-memory.dmp

              memory/3172-55-0x00000194E6340000-0x00000194E6346000-memory.dmp

              memory/3172-54-0x00000194E3E90000-0x00000194E3E98000-memory.dmp

              memory/3172-53-0x00000194E6360000-0x00000194E637A000-memory.dmp

              memory/3172-52-0x00000194E3E80000-0x00000194E3E8A000-memory.dmp

              memory/3172-51-0x00000194E6320000-0x00000194E633C000-memory.dmp

              memory/3172-50-0x00000194E3E70000-0x00000194E3E7A000-memory.dmp

              memory/3172-49-0x00000194E6120000-0x00000194E61D5000-memory.dmp

              memory/3228-62-0x0000000140000000-0x000000014000E000-memory.dmp

              memory/3228-65-0x0000000140000000-0x000000014000E000-memory.dmp

              memory/3228-64-0x0000000140000000-0x000000014000E000-memory.dmp

              memory/3228-63-0x0000000140000000-0x000000014000E000-memory.dmp

              memory/3228-61-0x0000000140000000-0x000000014000E000-memory.dmp

              memory/3228-68-0x0000000140000000-0x000000014000E000-memory.dmp

              memory/3232-5-0x00007FF631020000-0x00007FF631FAC000-memory.dmp

              memory/3232-4-0x00007FF631020000-0x00007FF631FAC000-memory.dmp

              memory/3232-0-0x00007FF631020000-0x00007FF631FAC000-memory.dmp

              memory/3232-3-0x00007FF631020000-0x00007FF631FAC000-memory.dmp

              memory/3232-2-0x00007FF631020000-0x00007FF631FAC000-memory.dmp

              memory/3232-1-0x00007FF631020000-0x00007FF631FAC000-memory.dmp

              memory/3232-23-0x00007FF631020000-0x00007FF631FAC000-memory.dmp

              memory/3568-7-0x00000211AA7F0000-0x00000211AA812000-memory.dmp

              memory/3568-6-0x00000211C2CC0000-0x00000211C2CD0000-memory.dmp

              memory/3568-17-0x00000211C2CC0000-0x00000211C2CD0000-memory.dmp

              memory/4876-27-0x00007FF7E4700000-0x00007FF7E568C000-memory.dmp

              memory/4876-29-0x00007FF7E4700000-0x00007FF7E568C000-memory.dmp

              memory/4876-81-0x00007FF7E4700000-0x00007FF7E568C000-memory.dmp

              memory/4876-26-0x00007FF7E4700000-0x00007FF7E568C000-memory.dmp

              memory/4876-28-0x00007FF7E4700000-0x00007FF7E568C000-memory.dmp

              memory/5700-80-0x0000000000500000-0x0000000000520000-memory.dmp

              memory/5700-84-0x0000000140000000-0x000000014082C000-memory.dmp

              memory/5700-70-0x0000000140000000-0x000000014082C000-memory.dmp

              memory/5700-71-0x0000000140000000-0x000000014082C000-memory.dmp

              memory/5700-72-0x0000000140000000-0x000000014082C000-memory.dmp

              memory/5700-75-0x0000000140000000-0x000000014082C000-memory.dmp

              memory/5700-77-0x0000000140000000-0x000000014082C000-memory.dmp

              memory/5700-79-0x0000000140000000-0x000000014082C000-memory.dmp

              memory/5700-69-0x0000000140000000-0x000000014082C000-memory.dmp

              memory/5700-74-0x0000000140000000-0x000000014082C000-memory.dmp

              memory/5700-83-0x0000000140000000-0x000000014082C000-memory.dmp

              memory/5700-73-0x0000000140000000-0x000000014082C000-memory.dmp

              memory/5700-86-0x0000000140000000-0x000000014082C000-memory.dmp

              memory/5700-85-0x0000000140000000-0x000000014082C000-memory.dmp

              memory/5700-82-0x0000000140000000-0x000000014082C000-memory.dmp

              memory/5700-76-0x0000000140000000-0x000000014082C000-memory.dmp

              memory/5700-87-0x0000000140000000-0x000000014082C000-memory.dmp

              memory/5700-88-0x0000000140000000-0x000000014082C000-memory.dmp

              memory/5700-91-0x0000000140000000-0x000000014082C000-memory.dmp

              memory/5700-89-0x0000000140000000-0x000000014082C000-memory.dmp

              memory/5700-90-0x0000000140000000-0x000000014082C000-memory.dmp