Overview

overview

8

Static

static

3

6a821338b7...56.exe

windows10-2004-x64

8

6a821338b7...56.exe

windows11-ltsc_2024-x64

8

Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/09/2026, 20:06

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General

  • Target
    6a821338b754e434e122a3ecc028e8d77e2e3a6549bfd070ef60ad2e340aea56.exe
  • Size 254KB
  • Sample260925-yvmccaywat
  • SHA256 6a821338b754e434e122a3ecc028e8d77e2e3a6549bfd070ef60ad2e340aea56
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
8/10
discovery

Malware Config

Signatures

  • Downloads MZ/PE file 1 IoCs
  • Executes dropped EXE 3 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a821338b754e434e122a3ecc028e8d77e2e3a6549bfd070ef60ad2e340aea56.exe
    "C:\Users\Admin\AppData\Local\Temp\6a821338b754e434e122a3ecc028e8d77e2e3a6549bfd070ef60ad2e340aea56.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4144
    • C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe
      "C:\Users\Admin\AppData\Local\Temp\6a821338b754e434e122a3ecc028e8d77e2e3a6549bfd070ef60ad2e340aea56.exe"
      2⤵
      • Executes dropped EXE
      PID:2484
  • C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe
    "C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe" --service
    1⤵
    • Downloads MZ/PE file
    • Executes dropped EXE
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious behavior: EnumeratesProcesses
    PID:1344
  • C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe
    "C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe" --guard
    1⤵
    • Executes dropped EXE
    PID:5116

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        Eupdate Helper.exe
        • Path C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe
        • Size 254KB
        • SHA256 6a821338b754e434e122a3ecc028e8d77e2e3a6549bfd070ef60ad2e340aea56
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        EupdateHelper.log
        • Path C:\Users\Admin\AppData\Local\Temp\EupdateHelper.log
        • Size 2KB
        • SHA256 8f3722d5a01e03761a7606bfa0eb3a0944c980f0d03556f2b64461dab005fa4b
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        EupdateHelper.log
        • Path C:\Windows\TEMP\EupdateHelper.log
        • Size 3KB
        • SHA256 9a3a830d784d54dff6eb6b590dbdb580d7329b3262391dd1b57aa2857d5d2606
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        EupdateHelper.log
        • Path C:\Windows\Temp\EupdateHelper.log
        • Size 2KB
        • SHA256 6a7af2e4c44de39984a734150a9f71025256a50ab75b4d9465983c934c72619c
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        EupdateHelper.log
        • Path C:\Windows\Temp\EupdateHelper.log
        • Size 4KB
        • SHA256 d82a1c8210e19041310a6cca8a68e6ea40466f23e3020e684644c500f659700f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/1344-55-0x0000000140000000-0x0000000140048000-memory.dmp
        Download

        memory/1344-58-0x0000000140000000-0x0000000140048000-memory.dmp
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        memory/2484-38-0x0000000140000000-0x0000000140048000-memory.dmp
        Download

        memory/4144-6-0x0000000140000000-0x0000000140048000-memory.dmp
        Download

        memory/5116-56-0x0000000140000000-0x0000000140048000-memory.dmp
        Download