Analysis

  • max time kernel
    899s
  • max time network
    897s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    20/08/2026, 02:49

General

  • Target
    erthsegrew.msi
  • Size 6.0MB
  • Sample260820-dbfegaydle
  • SHA256 04f942b92c41c48f0e2a9e3feb2d2a213561bc9eaf6e52a38000248db431440a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 7 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 4 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 19 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.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\erthsegrew.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2152
    • C:\Users\Admin\AppData\Local\Temp\MSIB4D4.tmp
      "C:\Users\Admin\AppData\Local\Temp\MSIB4D4.tmp"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1552
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\t1552.vbs"
        3⤵
        • Checks computer location settings
        • Executes a VBScript file via the Windows Script Host.
        • Suspicious use of WriteProcessMemory
        PID:2140
        • C:\Users\Admin\AppData\Roaming\Microsoft\Edge\Update\Services\CloudFlare.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\Edge\Update\Services\CloudFlare.exe" "ctfmon.exe:1"
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:3368
          • C:\Windows\system32\cmd.exe
            /c schtasks /create /tn "Microsoft\Windows\Servicing\ComponentCleanup" /tr "\"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppCache\CloudFlare.exe\"" /sc onlogon /rl highest /f /delay 0000:30
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2852
            • C:\Windows\system32\schtasks.exe
              schtasks /create /tn "Microsoft\Windows\Servicing\ComponentCleanup" /tr "\"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppCache\CloudFlare.exe\"" /sc onlogon /rl highest /f /delay 0000:30
              6⤵
              • Scheduled Task/Job: Scheduled Task
              PID:2488
          • C:\Users\Admin\AppData\Roaming\Microsoft\Edge\Update\Services\ctfmon.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Edge\Update\Services\ctfmon.exe"
            5⤵
            • Executes dropped EXE
            PID:1872
          • C:\Windows\System32\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /create /f /tn "OneDriveSyncHelper" /tr "\"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Shell\Handlers\ctfmon.exe\"" /sc onlogon /rl highest /delay 0000:30
            5⤵
            • Scheduled Task/Job: Scheduled Task
            PID:3036
          • C:\Windows\system32\cmd.exe
            /c timeout /t 300 /nobreak >nul & del /f /q "C:\Users\Admin\AppData\Roaming\Microsoft\Edge\Update\Services\ctfmon.exe"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:648
            • C:\Windows\system32\timeout.exe
              timeout /t 300 /nobreak
              6⤵
              • Delays execution with timeout.exe
              PID:2576
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe -NoProfile -ExecutionPolicy Bypass -Command "$script = [ScriptBlock]::Create(($input | Out-String)); & $script .\def.ps1 C:\\"
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2952
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppCache\logmanager73.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppCache\logmanager73.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4560
          • C:\Windows\system32\cmd.exe
            /c timeout /t 300 /nobreak >nul & del /f /q "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppCache\logmanager73.exe"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4564
            • C:\Windows\system32\timeout.exe
              timeout /t 300 /nobreak
              6⤵
              • Delays execution with timeout.exe
              PID:4512
      • C:\Windows\system32\cmd.exe
        /c timeout /t 600 /nobreak >nul & del /f /q "C:\Users\Admin\AppData\Roaming\Microsoft\Edge\Update\Services\CloudFlare.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3256
        • C:\Windows\system32\timeout.exe
          timeout /t 600 /nobreak
          4⤵
          • Delays execution with timeout.exe
          PID:2404
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3744
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppCache\CloudFlare.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppCache\CloudFlare.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:4932
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoProfile -ExecutionPolicy Bypass -Command "$script = [ScriptBlock]::Create(($input | Out-String)); & $script .\def.ps1 C:\\"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3868
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppCache\svcmanager.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppCache\svcmanager.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4252
    • C:\Windows\system32\cmd.exe
      /c timeout /t 300 /nobreak >nul & del /f /q "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppCache\svcmanager.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1788
      • C:\Windows\system32\timeout.exe
        timeout /t 300 /nobreak
        3⤵
        • Delays execution with timeout.exe
        PID:1212
  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Shell\Handlers\ctfmon.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Shell\Handlers\ctfmon.exe"
    1⤵
    • Executes dropped EXE
    PID:4472

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 3b0068d29ae4b20c447227fbf410aa2deedfef6220ccc3f698f3c7707c032c55
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 ee76e5d5a311937f124dee0e885002176191cb691b1dca9367528fb166547881
        • MD5 SHA1 SHA512 TLSH

        MSIB4D4.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\MSIB4D4.tmp
        • Size 6.0MB
        • SHA256 6a8d99b5da9bfac3eea5ba5ee31a0404f2f8dee110fefe86dff76b9a9fb52495
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_irc23wuk.lou.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_irc23wuk.lou.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        t1552.vbs

        • Path C:\Users\Admin\AppData\Local\Temp\t1552.vbs
        • Size 158B
        • SHA256 20ab88b7446b0548112b332a77ffeee0e227fb258295305aed4490b7310e22ca
        • MD5 SHA1 SHA512 TLSH

        ctfmon.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Edge\Update\Services\ctfmon.exe
        • Size 1.7MB
        • SHA256 e189fe5992a6fb655ce41a0441596836057622c9e664e930556439efd32a9774
        • MD5 SHA1 SHA512 SSDEEP TLSH

        svcmanager.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\AppCache\svcmanager.exe
        • Size 418KB
        • SHA256 942bee1da9861271e53bbe3343c3667dfcd7afb34baf8ca7c8b256ca93de7527
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3868-25-0x0000021EF29F0000-0x0000021EF2A12000-memory.dmp

        memory/4252-35-0x0000000000690000-0x00000000006FE000-memory.dmp

        memory/4252-36-0x00000000050B0000-0x00000000050CA000-memory.dmp

        memory/4252-37-0x00000000051F0000-0x000000000521C000-memory.dmp

        memory/4252-43-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-45-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-161-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-75-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-41-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-39-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-38-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-163-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-159-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-158-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-155-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-154-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-151-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-150-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-147-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-146-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-144-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-141-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-139-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-137-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-135-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-133-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-131-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-129-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-127-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-125-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-123-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-121-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-119-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-117-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-115-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-113-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-111-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-109-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-107-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-105-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-103-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-101-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-99-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-97-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-95-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-93-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-91-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-90-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-87-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-85-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-83-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-81-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-79-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-77-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-73-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-72-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-69-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-67-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-65-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-63-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-61-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-59-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-57-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-55-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-53-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-52-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-49-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-47-0x00000000051F0000-0x0000000005216000-memory.dmp

        memory/4252-674-0x00000000054A0000-0x0000000005506000-memory.dmp