Overview

overview

10

Static

static

10

ea54271db6...ad.exe

windows10-2004-x64

10

ea54271db6...ad.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/07/2026, 07:45

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General

  • Target
    ea54271db6fbfe6616049dc6855a18bf4a957ea9156502e65766782159f92ead.exe
  • Size 48KB
  • Sample260720-jlsensav6j
  • SHA256 ea54271db6fbfe6616049dc6855a18bf4a957ea9156502e65766782159f92ead
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
nulldefense_evasionexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.6A

Botnet

  • null

C2

  • slagerijbloem.nl:80

  • slagerijbloem.nl:8080

  • slagerijbloem.nl:443

  • slagerijbloem.nl:8443

  • slagerijbloem.nl:22

  • slagerijbloem.nl:6607

  • c2.slagerijbloem.nl:80

  • c2.slagerijbloem.nl:8080

  • c2.slagerijbloem.nl:443

  • c2.slagerijbloem.nl:8443

  • c2.slagerijbloem.nl:22

  • c2.slagerijbloem.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
  • 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 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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\ea54271db6fbfe6616049dc6855a18bf4a957ea9156502e65766782159f92ead.exe
    "C:\Users\Admin\AppData\Local\Temp\ea54271db6fbfe6616049dc6855a18bf4a957ea9156502e65766782159f92ead.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4644
    • 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:3752
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3781.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:5512
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4968
      • C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe
        "C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe"
        3⤵
        • Executes dropped EXE
        PID:4104
  • C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe
    "C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe"
    1⤵
    • Executes dropped EXE
    PID:5736
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5720

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmp3781.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmp3781.tmp.bat
          • Size 156B
          • SHA256 6d9783fc3fa4c11830abd4ae985e926fd5bc8dace7887fd71482e735cc4526e6
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          ChromeUpdate.exe
          • Path C:\Users\Admin\AppData\Roaming\ChromeUpdate.exe
          • Size 47.8MB
          • SHA256 2734b4ca192c0e567b9d33644e7d985522207c7439f9346f6fcc7391baa69a08
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/4644-0-0x00007FFB4669F000-0x00007FFB466A0000-memory.dmp
          Download

          memory/4644-1-0x0000000000670000-0x0000000000682000-memory.dmp
          Download

          memory/4644-2-0x00007FFB46510000-0x00007FFB46EB4000-memory.dmp
          Download

          memory/4644-3-0x00007FFB46510000-0x00007FFB46EB4000-memory.dmp
          Download

          memory/4644-4-0x00007FFB46510000-0x00007FFB46EB4000-memory.dmp
          Download

          memory/4644-9-0x00007FFB46510000-0x00007FFB46EB4000-memory.dmp
          Download