Overview

overview

10

Static

static

10

7a95e73032...c9.exe

windows10-2004-x64

10

7a95e73032...c9.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    01/08/2026, 01:40

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General

  • Target
    7a95e73032cb2cd22407c35cdd6b04b77dd9735c2b1931e9af03f526dc75d7c9.exe
  • Size 48KB
  • Sample260801-b3teasbf75
  • SHA256 7a95e73032cb2cd22407c35cdd6b04b77dd9735c2b1931e9af03f526dc75d7c9
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
nulldefense_evasionexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.6A

Botnet

  • null

C2

  • seegersbelettering.nl:80

  • seegersbelettering.nl:8080

  • seegersbelettering.nl:443

  • seegersbelettering.nl:8443

  • seegersbelettering.nl:22

  • seegersbelettering.nl:6607

  • malware.seegersbelettering.nl:80

  • malware.seegersbelettering.nl:8080

  • malware.seegersbelettering.nl:443

  • malware.seegersbelettering.nl:8443

  • malware.seegersbelettering.nl:22

  • malware.seegersbelettering.nl:6607

Mutex

  • lejkytfotaniitj

Attributes
  • delay

    3

  • install

    true

  • install_file

    ChromeUpdate.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

    execution
  • 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 behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 4 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\7a95e73032cb2cd22407c35cdd6b04b77dd9735c2b1931e9af03f526dc75d7c9.exe
    "C:\Users\Admin\AppData\Local\Temp\7a95e73032cb2cd22407c35cdd6b04b77dd9735c2b1931e9af03f526dc75d7c9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "'ChromeUpdate"' /tr "'C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe"'
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:3616
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB495.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:1560
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1908
      • C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe
        "C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe"
        3⤵
        • Executes dropped EXE
        PID:2440
  • C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe
    "C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2552

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpB495.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmpB495.tmp.bat
        • Size 156B
        • SHA256 603345d4a842e6983a18ec074fa8ab5275b2cb8672d5edfd4568303a6a8c8ccd
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        ChromeUpdate.exe
        • Path C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe
        • Size 46.4MB
        • SHA256 233b074737cdf41e3ede8eb2d4225aa2619a2beca84b28fa7470f5fa9c14fde0
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2528-0-0x0000000000E50000-0x0000000000E62000-memory.dmp
        Download

        memory/2528-1-0x000000001BA20000-0x000000001BA30000-memory.dmp
        Download

        memory/2528-2-0x000000001BA20000-0x000000001BA30000-memory.dmp
        Download