Analysis

  • max time kernel
    150s
  • 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
    30/07/2026, 01:16

General

  • Target
    2026-07-30_b47af3289382a201f4a4470977371072_byakugan_cobalt-strike_coinminer_glassworm_icedid_njrat_.exe
  • Size 44.9MB
  • Sample260730-bmtp5azve1
  • SHA256 134a6f34c20a746e2fc4be079db935bfb2de7f6de3bde297571b9e9455642be9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects executables containing URLs to raw contents of a Github gist 1 IoCs
  • Detects executables packed with Themida 6 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 2 IoCs
  • Registers new Windows logon scripts automatically executed at logon. 1 TTPs 1 IoCs
  • Themida packer 6 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-30_b47af3289382a201f4a4470977371072_byakugan_cobalt-strike_coinminer_glassworm_icedid_njrat_.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-30_b47af3289382a201f4a4470977371072_byakugan_cobalt-strike_coinminer_glassworm_icedid_njrat_.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3352
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command " $member = '[DllImport(\"user32.dll\")] public static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);'; $type = Add-Type -MemberDefinition $member -Name \"Win32ShowWindow\" -Namespace Win32 -PassThru; $hwnd = (Get-Process -Id 3352).MainWindowHandle; if ($hwnd -ne [IntPtr]::Zero) { $type::ShowWindow($hwnd, 0); } "
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3372
      • 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\od4pes2b\od4pes2b.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4672
        • 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\RES5E91.tmp" "c:\Users\Admin\AppData\Local\Temp\od4pes2b\CSC549F9363510142FAAA6855F35D6A6AD.TMP"
          4⤵
            PID:5300
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "reg add "HKCU\Environment" /v "UserInitMprLogonScript" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\powershell_core.exe" /f"
        2⤵
        • Executes a command shell one-liner
        • Suspicious use of WriteProcessMemory
        PID:4112
        • C:\Windows\system32\reg.exe
          reg add "HKCU\Environment" /v "UserInitMprLogonScript" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\powershell_core.exe" /f
          3⤵
          • Registers new Windows logon scripts automatically executed at logon.
          PID:6008
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\powershell_core.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\powershell_core.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1780
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command " $member = '[DllImport(\"user32.dll\")] public static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);'; $type = Add-Type -MemberDefinition $member -Name \"Win32ShowWindow\" -Namespace Win32 -PassThru; $hwnd = (Get-Process -Id 1780).MainWindowHandle; if ($hwnd -ne [IntPtr]::Zero) { $type::ShowWindow($hwnd, 0); } "
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3852
          • 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\ue1z0e5f\ue1z0e5f.cmdline"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:5232
            • 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\RES65E4.tmp" "c:\Users\Admin\AppData\Local\Temp\ue1z0e5f\CSC3D6E58BAD4452D949B573E6DFE878A.TMP"
              5⤵
                PID:2884
          • C:\Users\Admin\AppData\Local\Temp\upd_1785374207447.exe
            C:\Users\Admin\AppData\Local\Temp\upd_1785374207447.exe
            3⤵
            • Identifies VirtualBox via ACPI registry values (likely anti-VM)
            • Checks BIOS information in registry
            • Executes dropped EXE
            • Checks whether UAC is enabled
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            PID:5660

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            .system

            • Path C:\Users\Admin\.system
            • Size 14B
            • SHA256 472b38085c99156acd7b71143b7395598ac36102e18925b0d5e071bd8208d450
            • MD5 SHA1 SHA512

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 1KB
            • SHA256 c311d7a95a14dd408846b0a6d5217a723248a5c80d9f6bf81b530bc11db1e5db
            • MD5 SHA1 SHA512 TLSH

            RES5E91.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RES5E91.tmp
            • Size 1KB
            • SHA256 ce7510582b4e13466b4b3282a2578c765794aeb590cd597287fdac2196eb3711
            • MD5 SHA1 SHA512 TLSH

            RES65E4.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RES65E4.tmp
            • Size 1KB
            • SHA256 ab086d155f48f59492a763472221b6f1e5ab8ab5df72bd63caca5f7cb6b2bdfa
            • MD5 SHA1 SHA512 TLSH

            od4pes2b.dll

            • Path C:\Users\Admin\AppData\Local\Temp\od4pes2b\od4pes2b.dll
            • Size 3KB
            • SHA256 fa07fd5f5da9a82f46295c2de8d31c8e0872133ac4f1e091b745ece16e18afb7
            • MD5 SHA1 SHA512 TLSH

            ue1z0e5f.dll

            • Path C:\Users\Admin\AppData\Local\Temp\ue1z0e5f\ue1z0e5f.dll
            • Size 3KB
            • SHA256 8e8411b8647c8e5acfd626e6dfd013a0cb707948eb4f314f73b575b61fecf376
            • MD5 SHA1 SHA512 TLSH

            upd_1785374207447.exe

            • Path C:\Users\Admin\AppData\Local\Temp\upd_1785374207447.exe
            • Size 4.9MB
            • SHA256 8fb28650641662223ccb9c4dadf37d43461a25e05e3f75b6d7f159ea456c53d4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            powershell_core.exe

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\PowerShell\powershell_core.exe
            • Size 44.9MB
            • SHA256 134a6f34c20a746e2fc4be079db935bfb2de7f6de3bde297571b9e9455642be9
            • MD5 SHA1 SHA512 SSDEEP TLSH

            CSC549F9363510142FAAA6855F35D6A6AD.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\od4pes2b\CSC549F9363510142FAAA6855F35D6A6AD.TMP
            • Size 652B
            • SHA256 61d2d93f85f1b5eec21badcef58e01967b47f36655bf94b134d59b74e04c4d8c
            • MD5 SHA1 SHA512 TLSH

            od4pes2b.0.cs

            • Path \??\c:\Users\Admin\AppData\Local\Temp\od4pes2b\od4pes2b.0.cs
            • Size 218B
            • SHA256 531c21f32b41b8651df1f844f1a6485b19926699ff33c80de4fc70a44882394c
            • MD5 SHA1 SHA512 TLSH

            od4pes2b.cmdline

            • Path \??\c:\Users\Admin\AppData\Local\Temp\od4pes2b\od4pes2b.cmdline
            • Size 369B
            • SHA256 87708a497ef26052d0b53c4c679340e6434387a832efefc739e752646046fa6e
            • MD5 SHA1 SHA512 TLSH

            CSC3D6E58BAD4452D949B573E6DFE878A.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\ue1z0e5f\CSC3D6E58BAD4452D949B573E6DFE878A.TMP
            • Size 652B
            • SHA256 3820d2176dfab4ca30e0f8700002c1488991cb326e3a86864e17d5500e3eb576
            • MD5 SHA1 SHA512 TLSH

            ue1z0e5f.cmdline

            • Path \??\c:\Users\Admin\AppData\Local\Temp\ue1z0e5f\ue1z0e5f.cmdline
            • Size 369B
            • SHA256 56027ec02082890b153918a6b132e9c452c75fa185d6592e7407285fe97ecc90
            • MD5 SHA1 SHA512 TLSH

            memory/3372-13-0x00007FFA95970000-0x00007FFA96314000-memory.dmp

            memory/3372-4-0x00007FFA95970000-0x00007FFA96314000-memory.dmp

            memory/3372-17-0x00007FFA95970000-0x00007FFA96314000-memory.dmp

            memory/3372-16-0x00007FFA95970000-0x00007FFA96314000-memory.dmp

            memory/3372-34-0x00000201236D0000-0x00000201236D8000-memory.dmp

            memory/3372-15-0x00007FFA95970000-0x00007FFA96314000-memory.dmp

            memory/3372-36-0x00007FFA95970000-0x00007FFA96314000-memory.dmp

            memory/3372-14-0x00007FFA95970000-0x00007FFA96314000-memory.dmp

            memory/3372-3-0x00007FFA95AFF000-0x00007FFA95B00000-memory.dmp

            memory/3372-12-0x00007FFA95970000-0x00007FFA96314000-memory.dmp

            memory/3372-10-0x00007FFA95970000-0x00007FFA96314000-memory.dmp

            memory/3372-18-0x00007FFA95970000-0x00007FFA96314000-memory.dmp

            memory/3372-11-0x00007FFA95970000-0x00007FFA96314000-memory.dmp

            memory/3372-9-0x00007FFA95970000-0x00007FFA96314000-memory.dmp

            memory/3372-8-0x0000020123A80000-0x0000020123AA2000-memory.dmp

            memory/3372-7-0x00007FFA95970000-0x00007FFA96314000-memory.dmp

            memory/3852-54-0x0000022FC0C30000-0x0000022FC0C38000-memory.dmp

            memory/5660-59-0x0000000140000000-0x0000000140BBB000-memory.dmp

            memory/5660-60-0x0000000140000000-0x0000000140BBB000-memory.dmp

            memory/5660-61-0x0000000140000000-0x0000000140BBB000-memory.dmp

            memory/5660-63-0x0000000140000000-0x0000000140BBB000-memory.dmp

            memory/5660-64-0x0000000140000000-0x0000000140BBB000-memory.dmp