Overview

overview

10

Static

static

3

loader.exe

windows10-2004-x64

10

loader.exe

windows11-ltsc_2024-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    48s
  • max time network
    47s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    21/07/2026, 12:24

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General

  • Target
    loader.exe
  • Size 15.2MB
  • Sample260721-pla4aahd85
  • SHA256 abd58454215b8ce245c125553165df975f139679d50ed5268db7551816de6e8a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasiondiscoverypersistence

Malware Config

Signatures

  • Modifies visibility of hidden/system files in Explorer 2 TTPs 2 IoCs
    defense_evasion
  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\loader.exe
    "C:\Users\Admin\AppData\Local\Temp\loader.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2084
    • \??\c:\users\admin\appdata\local\temp\loader.exe 
      c:\users\admin\appdata\local\temp\loader.exe 
      2⤵
      • Executes dropped EXE
      PID:3704
    • C:\Windows\Resources\Themes\icsys.icn.exe
      C:\Windows\Resources\Themes\icsys.icn.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:432
      • \??\c:\windows\resources\themes\explorer.exe
        c:\windows\resources\themes\explorer.exe
        3⤵
        • Modifies visibility of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1504
        • \??\c:\windows\resources\spoolsv.exe
          c:\windows\resources\spoolsv.exe SE
          4⤵
          • Executes dropped EXE
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2076
          • \??\c:\windows\resources\svchost.exe
            c:\windows\resources\svchost.exe
            5⤵
            • Modifies visibility of hidden/system files in Explorer
            • Executes dropped EXE
            • Adds Run key to start application
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:400
            • \??\c:\windows\resources\spoolsv.exe
              c:\windows\resources\spoolsv.exe PR
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of SetWindowsHookEx
              PID:4924

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        icsys.icn.exe
        • Path C:\Windows\Resources\Themes\icsys.icn.exe
        • Size 135KB
        • SHA256 9587663ead3262353cd39a7ec002470d62d37b276d5fc41711b4e7499ecbd179
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        spoolsv.exe
        • Path C:\Windows\Resources\spoolsv.exe
        • Size 135KB
        • SHA256 d94da33747db85888e9c618d2fdeca33298cce3b8ee1e3aa27053b632b1ceac7
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        loader.exe 
        • Path \??\c:\users\admin\appdata\local\temp\loader.exe 
        • Size 15.0MB
        • SHA256 b3dac05c8bcb632cb1ec8adc000c18dfaebb80a86ac7be8dd8fc73d78929dcca
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        svchost.exe
        • Path \??\c:\windows\resources\svchost.exe
        • Size 135KB
        • SHA256 403fcfd697a43e36206039cd7c303341cae954e0532a0a977f0e9263348c313d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        explorer.exe
        • Path \??\c:\windows\resources\themes\explorer.exe
        • Size 135KB
        • SHA256 c5292cc431edd17f0e627ac3e182f01ab0554f8c3d1ed55f3394811b589ec349
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/432-46-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2076-28-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2076-45-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2084-0-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/2084-47-0x0000000000400000-0x000000000041F000-memory.dmp
        Download

        memory/4924-44-0x0000000000400000-0x000000000041F000-memory.dmp
        Download