Analysis

  • user interaction
    yes
  • max time kernel
    74s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260911-en
  • resource tags

    arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    13/09/2026, 15:25

General

  • Target
    Gosth.exe
  • Size 13.1MB
  • Sample260913-styfbsyenb
  • SHA256 03d8d8b76fcc2d18e3d4db247974257e4b3c939cec76235eee02410f6c30e7fc
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 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.

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

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Gosth.exe
    "C:\Users\Admin\AppData\Local\Temp\Gosth.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5312
    • C:\Users\Admin\AppData\Local\Temp\C59FFD7B\Gosth.exe
      "C:\Users\Admin\AppData\Local\Temp\C59FFD7B\Gosth.exe"
      2⤵
      • Executes dropped EXE
      PID:5320
    • C:\Users\Admin\AppData\Local\Temp\C59FFD7B\Miner.exe
      "C:\Users\Admin\AppData\Local\Temp\C59FFD7B\Miner.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4596
      • C:\Users\Admin\AppData\Local\Temp\8ACFFD7B\Launcher.exe
        "C:\Users\Admin\AppData\Local\Temp\8ACFFD7B\Launcher.exe"
        3⤵
        • Executes dropped EXE
        • Checks processor information in registry
        PID:1404
      • C:\Users\Admin\AppData\Local\Temp\8ACFFD7B\miner.exe
        "C:\Users\Admin\AppData\Local\Temp\8ACFFD7B\miner.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4908
        • C:\Windows\system32\cmd.exe
          "C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\99DA.tmp\99DB.tmp\99DC.bat C:\Users\Admin\AppData\Local\Temp\8ACFFD7B\miner.exe"
          4⤵
          • Executes a command shell one-liner
          • Suspicious use of WriteProcessMemory
          PID:4176
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe -NoProfile -ExecutionPolicy Bypass -Command "# ==============================================================================
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1564
    • C:\Users\Admin\AppData\Local\Temp\C59FFD7B\Loader.exe
      "C:\Users\Admin\AppData\Local\Temp\C59FFD7B\Loader.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2776

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Launcher.exe

        • Path C:\Users\Admin\AppData\Local\Temp\8ACFFD7B\Launcher.exe
        • Size 1.1MB
        • SHA256 a14a3fa38358fa0a6d09dc48d8d0957827b92adcb11f220d73e262777d8f414a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        miner.exe

        • Path C:\Users\Admin\AppData\Local\Temp\8ACFFD7B\miner.exe
        • Size 98KB
        • SHA256 1e016fa4754ff0e4c7d71dc6264b3565a5e20bd5421f92788621d53cdf9b3b32
        • MD5 SHA1 SHA512 SSDEEP TLSH

        99DC.bat

        • Path C:\Users\Admin\AppData\Local\Temp\99DA.tmp\99DB.tmp\99DC.bat
        • Size 9KB
        • SHA256 ba601ffbc70155e8af8a05b5a34c75da97f9710399d72290dd07d76a585d103f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Gosth.exe

        • Path C:\Users\Admin\AppData\Local\Temp\C59FFD7B\Gosth.exe
        • Size 2.7MB
        • SHA256 554b3b9dd270b74f018c6bc7ca7f45b65ea3616bcf3d00fae7df0691e7967f11
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Loader.exe

        • Path C:\Users\Admin\AppData\Local\Temp\C59FFD7B\Loader.exe
        • Size 19.5MB
        • SHA256 7553d49cdc2387acb96a808a2aefaf22f59ab4528e0a7b36d5c13d07b6d91ff2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Miner.exe

        • Path C:\Users\Admin\AppData\Local\Temp\C59FFD7B\Miner.exe
        • Size 332KB
        • SHA256 bb31c0dec2288452fb3026e9b94a96d3f6f27d933a481cb7c2c371ead7a79dbb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_303kqqlh.opz.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_303kqqlh.opz.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        memory/1564-28-0x000001B844280000-0x000001B8442A2000-memory.dmp