Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/11/2026, 06:02

General

  • Target
    3d0f1bce791377997266a1426a514eb2304ebe44cbad21dc2b8bbbb90ba060a2.exe
  • Size 1.2MB
  • Sample261102-grhfjs1sew
  • SHA256 3d0f1bce791377997266a1426a514eb2304ebe44cbad21dc2b8bbbb90ba060a2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • gcleaner

C2
  • 185.156.73.98

Signatures

  • Family: GCleaner

    GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 TTPs 1 IoCs
  • Enumerates VirtualBox registry keys 2 TTPs 5 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Downloads MZ/PE file 26 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 3 IoCs

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

  • Executes dropped EXE 25 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks system information in the registry 2 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 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 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3268
      • C:\Users\Admin\AppData\Local\Temp\3d0f1bce791377997266a1426a514eb2304ebe44cbad21dc2b8bbbb90ba060a2.exe
        "C:\Users\Admin\AppData\Local\Temp\3d0f1bce791377997266a1426a514eb2304ebe44cbad21dc2b8bbbb90ba060a2.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4764
      • C:\Windows\SysWOW64\svchost.exe
        "C:\Users\Admin\AppData\Local\Temp\3d0f1bce791377997266a1426a514eb2304ebe44cbad21dc2b8bbbb90ba060a2.exe"
        2⤵
        • Downloads MZ/PE file
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1596
        • C:\Users\Admin\AppData\Roaming\1xnV9SVUN6F\VrnL7rw1sr.exe
          "C:\Users\Admin\AppData\Roaming\1xnV9SVUN6F\VrnL7rw1sr.exe"
          3⤵
          • Executes dropped EXE
          PID:3720
        • C:\Users\Admin\AppData\Roaming\OS2bcXzLZqi\tO0SmMzSPP.exe
          "C:\Users\Admin\AppData\Roaming\OS2bcXzLZqi\tO0SmMzSPP.exe"
          3⤵
          • Executes dropped EXE
          PID:5388
        • C:\Users\Admin\AppData\Roaming\vsRtv8cWl1\Hi2SgRX9Ts.exe
          "C:\Users\Admin\AppData\Roaming\vsRtv8cWl1\Hi2SgRX9Ts.exe"
          3⤵
          • Executes dropped EXE
          PID:5304
        • C:\Users\Admin\AppData\Roaming\bQTT5\riDx0T6QCDYA9.exe
          "C:\Users\Admin\AppData\Roaming\bQTT5\riDx0T6QCDYA9.exe"
          3⤵
          • Executes dropped EXE
          PID:2444
        • C:\Users\Admin\AppData\Roaming\prk0SdQlsZ6\YMwxfgrMfdOpS.exe
          "C:\Users\Admin\AppData\Roaming\prk0SdQlsZ6\YMwxfgrMfdOpS.exe"
          3⤵
          • Executes dropped EXE
          PID:5256
        • C:\Users\Admin\AppData\Roaming\WV5ysmw\VO6PghKcue.exe
          "C:\Users\Admin\AppData\Roaming\WV5ysmw\VO6PghKcue.exe"
          3⤵
          • Executes dropped EXE
          PID:3832
        • C:\Users\Admin\AppData\Roaming\SD6tPL\PdpSy1sxUF.exe
          "C:\Users\Admin\AppData\Roaming\SD6tPL\PdpSy1sxUF.exe"
          3⤵
          • Executes dropped EXE
          PID:4152
        • C:\Users\Admin\AppData\Roaming\iIGPrV\KNGwGRZKwz.exe
          "C:\Users\Admin\AppData\Roaming\iIGPrV\KNGwGRZKwz.exe"
          3⤵
          • Executes dropped EXE
          PID:3956
        • C:\Users\Admin\AppData\Roaming\6eZrD\8MBmaNDNvQLK.exe
          "C:\Users\Admin\AppData\Roaming\6eZrD\8MBmaNDNvQLK.exe"
          3⤵
          • Executes dropped EXE
          PID:872
        • C:\Users\Admin\AppData\Roaming\HuLNi\MHhvQDwe5.exe
          "C:\Users\Admin\AppData\Roaming\HuLNi\MHhvQDwe5.exe"
          3⤵
          • Enumerates VirtualBox registry keys
          • Identifies VirtualBox via ACPI registry values (likely anti-VM)
          • Looks for VirtualBox Guest Additions in registry
          • Looks for VMWare Tools registry key
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks system information in the registry
          • Checks for VirtualBox DLLs, possible anti-VM trick
          • Reads the TCP/IP host and domain name from the registry
          • Enumerates system info in registry
          • Suspicious behavior: EnumeratesProcesses
          PID:5220
        • C:\Users\Admin\AppData\Roaming\Dmv4Lwus\LUiKXseOQR.exe
          "C:\Users\Admin\AppData\Roaming\Dmv4Lwus\LUiKXseOQR.exe"
          3⤵
          • Executes dropped EXE
          PID:5952
        • C:\Users\Admin\AppData\Roaming\sXs8HRy\nPMkpG7KBspY8.exe
          "C:\Users\Admin\AppData\Roaming\sXs8HRy\nPMkpG7KBspY8.exe"
          3⤵
          • Executes dropped EXE
          PID:5548
        • C:\Users\Admin\AppData\Roaming\MwQQtIE\pUqmFJyz3Orqe.exe
          "C:\Users\Admin\AppData\Roaming\MwQQtIE\pUqmFJyz3Orqe.exe"
          3⤵
          • Executes dropped EXE
          PID:2668
        • C:\Users\Admin\AppData\Roaming\npNyQb\7YpuQ3nV5.exe
          "C:\Users\Admin\AppData\Roaming\npNyQb\7YpuQ3nV5.exe"
          3⤵
          • Executes dropped EXE
          PID:392
        • C:\Users\Admin\AppData\Roaming\ENg6cgOQ6\h7z6XSVpi9.exe
          "C:\Users\Admin\AppData\Roaming\ENg6cgOQ6\h7z6XSVpi9.exe"
          3⤵
          • Executes dropped EXE
          PID:512
        • C:\Users\Admin\AppData\Roaming\K7Jrukfi\c49AHjgcWjrph.exe
          "C:\Users\Admin\AppData\Roaming\K7Jrukfi\c49AHjgcWjrph.exe"
          3⤵
          • Executes dropped EXE
          PID:5652
        • C:\Users\Admin\AppData\Roaming\GoTfJtql\ukSYhPM8b.exe
          "C:\Users\Admin\AppData\Roaming\GoTfJtql\ukSYhPM8b.exe"
          3⤵
          • Executes dropped EXE
          PID:2468
        • C:\Users\Admin\AppData\Roaming\8rt8MLOo\7oZLB6a47FOpH.exe
          "C:\Users\Admin\AppData\Roaming\8rt8MLOo\7oZLB6a47FOpH.exe"
          3⤵
          • Executes dropped EXE
          PID:5424
        • C:\Users\Admin\AppData\Roaming\B8qdItg\wqs6kDLjGlQq.exe
          "C:\Users\Admin\AppData\Roaming\B8qdItg\wqs6kDLjGlQq.exe"
          3⤵
          • Executes dropped EXE
          PID:6100
        • C:\Users\Admin\AppData\Roaming\tNh8LuB\q1R8eNctSQejp.exe
          "C:\Users\Admin\AppData\Roaming\tNh8LuB\q1R8eNctSQejp.exe"
          3⤵
          • Executes dropped EXE
          PID:3936
        • C:\Users\Admin\AppData\Roaming\fPuIwDCIv\HxHpfxsgcO.exe
          "C:\Users\Admin\AppData\Roaming\fPuIwDCIv\HxHpfxsgcO.exe"
          3⤵
          • Executes dropped EXE
          PID:5260
        • C:\Users\Admin\AppData\Roaming\PbeLdPo1L\2cNwPWQTdZ.exe
          "C:\Users\Admin\AppData\Roaming\PbeLdPo1L\2cNwPWQTdZ.exe"
          3⤵
          • Executes dropped EXE
          PID:2600
        • C:\Users\Admin\AppData\Roaming\yrP6vPv7\zEe8CsOKq2s.exe
          "C:\Users\Admin\AppData\Roaming\yrP6vPv7\zEe8CsOKq2s.exe"
          3⤵
          • Executes dropped EXE
          PID:1192
        • C:\Users\Admin\AppData\Roaming\7M9qcHpc\le6sbml7p.exe
          "C:\Users\Admin\AppData\Roaming\7M9qcHpc\le6sbml7p.exe"
          3⤵
          • Executes dropped EXE
          PID:4548
        • C:\Users\Admin\AppData\Roaming\WSr2VE4f\Dx7TLJvAWHv.exe
          "C:\Users\Admin\AppData\Roaming\WSr2VE4f\Dx7TLJvAWHv.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4532

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          ~2fb13d8c.dat

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\~2fb13d8c.dat
          • Size 926KB
          • SHA256 6606ea30c164992165c752ea25e997bf1e4191d008ff15edd4996ba523e8633e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          VrnL7rw1sr.exe

          • Path C:\Users\Admin\AppData\Roaming\1xnV9SVUN6F\VrnL7rw1sr.exe
          • Size 16KB
          • SHA256 69fe2d9f48833d84fc001182e34d1e004a1019208f261c19654598dbc390bc3c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MHhvQDwe5.exe

          • Path C:\Users\Admin\AppData\Roaming\HuLNi\MHhvQDwe5.exe
          • Size 581KB
          • SHA256 b4990aa8dd771a09af9b559f334d680d2cfce5ba8da4e5319b36720c9159897b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Dx7TLJvAWHv.exe

          • Path C:\Users\Admin\AppData\Roaming\WSr2VE4f\Dx7TLJvAWHv.exe
          • Size 874KB
          • SHA256 3eb383f192c4a3b30d7fbb6d34238a49c6969597bb286de790df2709f2a26343
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/392-701-0x00007FF60C820000-0x00007FF60C82C000-memory.dmp

          memory/512-706-0x00007FF612420000-0x00007FF61242C000-memory.dmp

          memory/872-78-0x00007FF68C6E0000-0x00007FF68C6EC000-memory.dmp

          memory/1192-746-0x00007FF78D750000-0x00007FF78D75C000-memory.dmp

          memory/1596-5-0x0000000000380000-0x0000000000381000-memory.dmp

          memory/1596-14-0x0000000000390000-0x00000000003C3000-memory.dmp

          memory/1596-7-0x0000000000390000-0x00000000003C3000-memory.dmp

          memory/1596-13-0x0000000000390000-0x00000000003C3000-memory.dmp

          memory/1596-17-0x0000000000390000-0x00000000003C3000-memory.dmp

          memory/1596-16-0x0000000000390000-0x00000000003C3000-memory.dmp

          memory/1596-15-0x0000000000390000-0x00000000003C3000-memory.dmp

          memory/1596-6-0x0000000000390000-0x00000000003C3000-memory.dmp

          memory/1596-18-0x0000000000390000-0x00000000003C3000-memory.dmp

          memory/1596-31-0x0000000010000000-0x000000001001C000-memory.dmp

          memory/1596-8-0x0000000000390000-0x00000000003C3000-memory.dmp

          memory/1596-9-0x0000000000390000-0x00000000003C3000-memory.dmp

          memory/1596-10-0x0000000000390000-0x00000000003C3000-memory.dmp

          memory/1596-760-0x0000000000390000-0x00000000003C3000-memory.dmp

          memory/2444-53-0x00007FF7E6190000-0x00007FF7E619C000-memory.dmp

          memory/2468-716-0x00007FF6C4F20000-0x00007FF6C4F2C000-memory.dmp

          memory/2600-741-0x00007FF742A50000-0x00007FF742A5C000-memory.dmp

          memory/2668-696-0x00007FF7876C0000-0x00007FF7876CC000-memory.dmp

          memory/3720-38-0x00007FF60C280000-0x00007FF60C28C000-memory.dmp

          memory/3832-63-0x00007FF6CE8B0000-0x00007FF6CE8BC000-memory.dmp

          memory/3936-731-0x00007FF6A2F50000-0x00007FF6A2F5C000-memory.dmp

          memory/3956-73-0x00007FF656140000-0x00007FF65614C000-memory.dmp

          memory/4152-68-0x00007FF78D9F0000-0x00007FF78D9FC000-memory.dmp

          memory/4548-751-0x00007FF64AE90000-0x00007FF64AE9C000-memory.dmp

          memory/4764-3-0x0000000000400000-0x0000000000538000-memory.dmp

          memory/4764-2-0x00000000022E0000-0x00000000022E1000-memory.dmp

          memory/4764-4-0x0000000002990000-0x00000000029BF000-memory.dmp

          memory/4764-1-0x00000000004E5000-0x00000000004E6000-memory.dmp

          memory/4764-0-0x00000000022A0000-0x00000000022A1000-memory.dmp

          memory/5220-691-0x00007FF797130000-0x00007FF7971C9000-memory.dmp

          memory/5256-58-0x00007FF6579C0000-0x00007FF6579CC000-memory.dmp

          memory/5260-736-0x00007FF756630000-0x00007FF75663C000-memory.dmp

          memory/5304-48-0x00007FF77BAC0000-0x00007FF77BACC000-memory.dmp

          memory/5388-43-0x00007FF6D5920000-0x00007FF6D592C000-memory.dmp

          memory/5424-721-0x00007FF61A860000-0x00007FF61A86C000-memory.dmp

          memory/5548-632-0x00007FF64BB20000-0x00007FF64BB2C000-memory.dmp

          memory/5652-711-0x00007FF63BBB0000-0x00007FF63BBBC000-memory.dmp

          memory/5952-355-0x00007FF7A4F00000-0x00007FF7A4F0C000-memory.dmp

          memory/6100-726-0x00007FF638AE0000-0x00007FF638AEC000-memory.dmp