Overview

overview

8

Static

static

3

acf366f942...c7.dll

windows10-2004-x64

8

acf366f942...c7.dll

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    148s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/07/2026, 18:00

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General

  • Target
    acf366f942afb53c1f8af69d9ebd3ffe6600b6326ff3e1402bafe63d80ed3fc7.dll
  • Size 4.9MB
  • Sample260706-wlkfaaay31
  • SHA256 acf366f942afb53c1f8af69d9ebd3ffe6600b6326ff3e1402bafe63d80ed3fc7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
adwaredefense_evasiondiscoverypersistencespywaretrojan

Malware Config

Signatures

  • Badlisted process makes network request 4 IoCs

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

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    defense_evasiontrojan
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Program crash 1 IoCs
  • 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.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 45 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 39 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\acf366f942afb53c1f8af69d9ebd3ffe6600b6326ff3e1402bafe63d80ed3fc7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2368
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\acf366f942afb53c1f8af69d9ebd3ffe6600b6326ff3e1402bafe63d80ed3fc7.dll,#1
      2⤵
      • Badlisted process makes network request
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:1864
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1864 -s 956
        3⤵
        • Program crash
        PID:2428
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1864 -ip 1864
    1⤵
      PID:6036
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1088
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:2932
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3868
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:5736

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          hg.dat
          • Path C:\ProgramData\Kingsoft\KIS\hg.dat
          • Size 53B
          • SHA256 f0944a4321af5549a5af101369abcffe6d8cb1c882b6bdcaccbd89781cc51470
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          prep_Activatable Class_Hermes_perf.cache
          • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
          • Size 599B
          • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          memory/1864-0-0x0000000010000000-0x00000000103BB000-memory.dmp
          Download

          memory/3868-45-0x0000027A03C90000-0x0000027A03CB0000-memory.dmp
          Download

          memory/3868-34-0x0000027A13E90000-0x0000027A13F90000-memory.dmp
          Download

          memory/3868-67-0x0000027A14710000-0x0000027A14730000-memory.dmp
          Download

          memory/3868-32-0x0000027A03A30000-0x0000027A03A50000-memory.dmp
          Download

          memory/3868-8-0x0000027A001E0000-0x0000027A002E0000-memory.dmp
          Download

          memory/5736-193-0x0000029B39710000-0x0000029B39B44000-memory.dmp
          Download