Analysis

  • max time kernel
    148s
  • max time network
    123s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 03:13

General

  • Target
    f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6.exe
  • Size 6.8MB
  • Sample260701-dq9a4afs21
  • SHA256 f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6.exe
    "C:\Users\Admin\AppData\Local\Temp\f6c9022a1fcf00dd0b1a31053978e45a4ab4040215abe3f44333b96920ee46e6.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:3516
    • C:\Windows\SYSTEM32\reg.exe
      reg.exe add HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v SystemIdle /t REG_SZ /d "\"C:\Users\Admin\AppData\Local\Microsoft\SystemIdle\SystemIdle.exe\"" /f
      2⤵
      • Adds Run key to start application
      • Modifies registry key
      PID:1704
    • C:\Users\Admin\AppData\Local\Microsoft\SystemIdle\SystemIdle.exe
      "C:\Users\Admin\AppData\Local\Microsoft\SystemIdle\SystemIdle.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Checks processor information in registry
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1740
      • C:\Windows\System32\taskhostw.exe
        "C:\Windows\System32\taskhostw.exe"
        3⤵
          PID:3908

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          SystemIdle.exe

          • Path C:\Users\Admin\AppData\Local\Microsoft\SystemIdle\SystemIdle.exe
          • Size 6.8MB
          • SHA256 156a6e56dc4ceeeef5eb06834b7a65395f3ff87b1aa73fa32985f912ca096265
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1740-8-0x00007FF6E5900000-0x00007FF6E5FD6000-memory.dmp

          memory/1740-9-0x00007FF6E5900000-0x00007FF6E5FD6000-memory.dmp

          memory/3516-0-0x0000022C71110000-0x0000022C71111000-memory.dmp

          memory/3516-5-0x00007FF74E670000-0x00007FF74ED46000-memory.dmp

          memory/3908-7-0x00000211E6450000-0x00000211E6B26000-memory.dmp