Overview

overview

7

Static

static

3

file_c5b0b...73.exe

windows10-2004-x64

7

file_c5b0b...73.exe

windows11-ltsc_2024-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 00:23

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General

  • Target
    file_c5b0b8f9b84a1473.exe
  • Size 3.1MB
  • Sample260930-appnhsaf97
  • SHA256 27831a5b95bbc1fab82732019109d94feefcb31fa4c4815eeb7500ba702c174d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
defense_evasiondiscoveryexecutionpersistence

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

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

    discovery
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\file_c5b0b8f9b84a1473.exe
    "C:\Users\Admin\AppData\Local\Temp\file_c5b0b8f9b84a1473.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:5892
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c schtasks /create /tn "EdgeUpdate" /tr "C:\Windows\EdgeUpdate\MicrosoftEdgeSecurity.exe" /sc minute /mo 5 /f /rl highest
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5988
      • C:\Windows\system32\schtasks.exe
        schtasks /create /tn "EdgeUpdate" /tr "C:\Windows\EdgeUpdate\MicrosoftEdgeSecurity.exe" /sc minute /mo 5 /f /rl highest
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2368
    • C:\Windows\EdgeUpdate\MicrosoftEdgeSecurity.exe
      "C:\Windows\EdgeUpdate\MicrosoftEdgeSecurity.exe"
      2⤵
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • Checks processor information in registry
      PID:1832
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c timeout /t 3 /nobreak > nul & del /f /q "C:\Users\Admin\AppData\Local\Temp\file_c5b0b8f9b84a1473.exe" & rmdir "C:\Users\Admin\AppData\Local\Temp"
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5856
      • C:\Windows\system32\timeout.exe
        timeout /t 3 /nobreak
        3⤵
        • Delays execution with timeout.exe
        PID:5280
  • C:\Windows\EdgeUpdate\MicrosoftEdgeSecurity.exe
    C:\Windows\EdgeUpdate\MicrosoftEdgeSecurity.exe
    1⤵
    • Executes dropped EXE
    PID:5880

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MicrosoftEdgeSecurity.exe
        • Path C:\Windows\EdgeUpdate\MicrosoftEdgeSecurity.exe
        • Size 3.1MB
        • SHA256 27831a5b95bbc1fab82732019109d94feefcb31fa4c4815eeb7500ba702c174d
        • MD5 SHA1 SHA512 SSDEEP TLSH
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