Overview

overview

10

Static

static

3

_5c3c4e67b...de.exe

windows10-2004-x64

10

_5c3c4e67b...de.exe

windows11-ltsc_2024-x64

10

Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 14:11

Sharing

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General

  • Target
    _5c3c4e67ba250d259e1d57f0dd797329674dac7b27a9d0b4c0731f0da6c3d2de.exe
  • Size 1.1MB
  • Sample260707-rhch2sgw7p
  • SHA256 5c3c4e67ba250d259e1d57f0dd797329674dac7b27a9d0b4c0731f0da6c3d2de
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwarediscoveryformbookpersistenceratspywarestealertrojan

Malware Config

Signatures

  • Family: Formbook

    Formbook is a data stealing malware which is capable of stealing data.

    trojanspywarestealerformbook
  • Formbook payload 2 IoCs
    rat
  • 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
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 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 35 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of FindShellTrayWindow 54 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\_5c3c4e67ba250d259e1d57f0dd797329674dac7b27a9d0b4c0731f0da6c3d2de.exe
    "C:\Users\Admin\AppData\Local\Temp\_5c3c4e67ba250d259e1d57f0dd797329674dac7b27a9d0b4c0731f0da6c3d2de.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3580
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3388
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3724
    • 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:4944
  • 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:5236
  • 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:6080

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        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 607B
        • SHA256 7030d7b0e9e8972e876a00fea052bea4c48539ed73747ddf29b04ab02d8fdf04
        • 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/3388-12-0x0000000000400000-0x0000000000446000-memory.dmp
        Download

        memory/3388-15-0x00000000015F0000-0x0000000001964000-memory.dmp
        Download

        memory/3388-207-0x0000000001200000-0x0000000001246000-memory.dmp
        Download

        memory/3388-16-0x0000000001200000-0x0000000001246000-memory.dmp
        Download

        memory/3388-13-0x0000000001200000-0x0000000001246000-memory.dmp
        Download

        memory/3580-7-0x0000000005220000-0x0000000005240000-memory.dmp
        Download

        memory/3580-8-0x00000000063F0000-0x000000000674B000-memory.dmp
        Download

        memory/3580-9-0x00000000748C2000-0x00000000748C3000-memory.dmp
        Download

        memory/3580-10-0x00000000748B0000-0x000000007506C000-memory.dmp
        Download

        memory/3580-11-0x00000000052E0000-0x00000000053C0000-memory.dmp
        Download

        memory/3580-0-0x00000000748C2000-0x00000000748C3000-memory.dmp
        Download

        memory/3580-5-0x0000000004F30000-0x0000000004F3A000-memory.dmp
        Download

        memory/3580-3-0x0000000004E70000-0x0000000004F02000-memory.dmp
        Download

        memory/3580-6-0x00000000748B0000-0x000000007506C000-memory.dmp
        Download

        memory/3580-14-0x00000000748B0000-0x000000007506C000-memory.dmp
        Download

        memory/3580-2-0x0000000005430000-0x00000000059EA000-memory.dmp
        Download

        memory/3580-1-0x0000000000250000-0x0000000000362000-memory.dmp
        Download

        memory/3580-4-0x0000000004FB0000-0x000000000504C000-memory.dmp
        Download

        memory/5236-83-0x000001B894130000-0x000001B894150000-memory.dmp
        Download

        memory/5236-55-0x000001B883B90000-0x000001B883BB0000-memory.dmp
        Download

        memory/5236-43-0x000001B883D50000-0x000001B883E50000-memory.dmp
        Download

        memory/5236-42-0x000001B883950000-0x000001B883970000-memory.dmp
        Download

        memory/5236-203-0x000001B897B80000-0x000001B897E1E000-memory.dmp
        Download

        memory/5236-37-0x000001B8801E0000-0x000001B8802E0000-memory.dmp
        Download

        memory/6080-204-0x000001590F1F0000-0x000001590F48E000-memory.dmp
        Download