Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 07:54

General

  • Target
    kvpins64.exe
  • Size 353KB
  • Sample261102-jrncxaee39
  • SHA256 5b4c1dc1d629341286cefa03133aaf2a041ee24aa022f7cd845924f210f1ce6d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

  • Detects DonutLoader 1 IoCs
  • Badlisted process makes network request 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\kvpins64.exe
    "C:\Users\Admin\AppData\Local\Temp\kvpins64.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4356
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" --dec "C:\Users\Public\HostSvc\config_enc.json"
      2⤵
      • Badlisted process makes network request
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:4864
  • C:\Users\Public\HostSvc\kvpins64.exe
    C:\Users\Public\HostSvc\kvpins64.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:5800
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" --dec "C:\Users\Public\HostSvc\config_enc.json"
      2⤵
      • Badlisted process makes network request
      • Reads the TCP/IP host and domain name from the registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1252

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        _stage.log

        • Path C:\Users\Public\HostSvc\_stage.log
        • Size 951B
        • SHA256 82dffc45fdd30caf35d3cbfe36ef98f32743443d3e7c5d5207b97c652855e857
        • MD5 SHA1 SHA512 TLSH

        _stage.log

        • Path C:\Users\Public\HostSvc\_stage.log
        • Size 1KB
        • SHA256 df304afa4e983d2b0f9a893148c25f93d4827333cd6709e1501188e44bcc9551
        • MD5 SHA1 SHA512 TLSH

        _stage.log

        • Path C:\Users\Public\HostSvc\_stage.log
        • Size 2KB
        • SHA256 7c7f41d866a2134ecc18669d54692735a1a84ff04ba8db6dcdc675a5961f9045
        • MD5 SHA1 SHA512 TLSH

        config_enc.json

        • Path C:\Users\Public\HostSvc\config_enc.json
        • Size 2KB
        • SHA256 67c39225831a8e2dc490511285b5d92ec56cee246d270fde63ce924d44dd94a0
        • MD5 SHA1 SHA512 TLSH

        kvpins64.exe

        • Path C:\Users\Public\HostSvc\kvpins64.exe
        • Size 353KB
        • SHA256 5b4c1dc1d629341286cefa03133aaf2a041ee24aa022f7cd845924f210f1ce6d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        kvpvbsext64.dll

        • Path C:\Users\Public\HostSvc\kvpvbsext64.dll
        • Size 12.8MB
        • SHA256 e28a6f4d8a08c79cb8d198263e819dc339634da08faf8b97d162d95d34cb3f42
        • MD5 SHA1 SHA512 SSDEEP TLSH

        kvpvbsext64_orig.dll

        • Path C:\Users\Public\HostSvc\kvpvbsext64_orig.dll
        • Size 172KB
        • SHA256 77e95ee19a449079ea45db6d93ac8395835affff906334f0344210f695d77bdc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        payload.enc

        • Path C:\Users\Public\HostSvc\payload.enc
        • Size 12.8MB
        • SHA256 82b612790b4355a3a9d8d146d590acf7aa3d0ebf1dee2b0aa96979260fee4230
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1252-71-0x0000025158AE0000-0x00000251594AE000-memory.dmp

        memory/4356-31-0x00007FFAFC420000-0x00007FFAFD100000-memory.dmp

        memory/4864-34-0x000002A565570000-0x000002A565590000-memory.dmp

        memory/4864-33-0x000002A5655D0000-0x000002A565F9E000-memory.dmp

        memory/4864-70-0x000002A5660A0000-0x000002A5660C0000-memory.dmp

        memory/4864-23-0x000002A5626B0000-0x000002A56304E000-memory.dmp

        memory/5800-69-0x00007FFAFB740000-0x00007FFAFC420000-memory.dmp