Analysis

  • max time kernel
    148s
  • max time network
    124s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 06:40

General

  • Target
    31108dc983e303117e22d2a6a5a08d5142196ab44daed8cbb811aaf1a17f7722.exe
  • Size 307KB
  • Sample261102-hfnc4att5p
  • SHA256 31108dc983e303117e22d2a6a5a08d5142196ab44daed8cbb811aaf1a17f7722
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\31108dc983e303117e22d2a6a5a08d5142196ab44daed8cbb811aaf1a17f7722.exe
    "C:\Users\Admin\AppData\Local\Temp\31108dc983e303117e22d2a6a5a08d5142196ab44daed8cbb811aaf1a17f7722.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe
      "C:\Users\Admin\AppData\Local\Temp\31108dc983e303117e22d2a6a5a08d5142196ab44daed8cbb811aaf1a17f7722.exe"
      2⤵
      • Executes dropped EXE
      PID:5604
  • C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe
    "C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe" --service
    1⤵
    • Executes dropped EXE
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious behavior: EnumeratesProcesses
    PID:5104
  • C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe
    "C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe" --guard
    1⤵
    • Executes dropped EXE
    PID:4768

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 307KB
        • SHA256 31108dc983e303117e22d2a6a5a08d5142196ab44daed8cbb811aaf1a17f7722
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Eupdate Helper.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Eupdate Helper.exe
        • Size 307KB
        • SHA256 27aad3a31489020b0df4ee38b78b8df292b401365c379fec35b8d26688191f6e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        EupdateHelper.log

        • Path C:\Users\Admin\AppData\Local\Temp\EupdateHelper.log
        • Size 1KB
        • SHA256 540ee39f597a3475a24b967e6e83afea1fe621c576186fd2caa294dc3ae6419b
        • MD5 SHA1 SHA512 TLSH

        EupdateHelper.log

        • Path C:\Users\Admin\AppData\Local\Temp\EupdateHelper.log
        • Size 866B
        • SHA256 2385142420ef24ad4050f79b8fbb6c989ecbaaaaebf1f87eb18f041ebf1bd7b5
        • MD5 SHA1 SHA512 TLSH

        EupdateHelper.log

        • Path C:\Windows\TEMP\EupdateHelper.log
        • Size 3KB
        • SHA256 748681c51e05412065ef98af16759def76d20ddddc475902c8b69f190b4eeb2b
        • MD5 SHA1 SHA512 TLSH

        EupdateHelper.log

        • Path C:\Windows\Temp\EupdateHelper.log
        • Size 2KB
        • SHA256 61d5ea5b450130927b4ef5954de3c280ad2484f2dff80c150c06393638e0ff2e
        • MD5 SHA1 SHA512 TLSH

        EupdateHelper.log

        • Path C:\Windows\Temp\EupdateHelper.log
        • Size 2KB
        • SHA256 e3ffd6c25deab8e3826d1710569d622827969a4ae22f70d08fc7fc93292702ab
        • MD5 SHA1 SHA512 TLSH

        EupdateHelper.log

        • Path C:\Windows\Temp\EupdateHelper.log
        • Size 4KB
        • SHA256 b4a09eaa8e203712973d14f71f35131b0d7c28fc443cad4e29803de7769d4392
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2028-0-0x0000000140000000-0x0000000140050000-memory.dmp

        memory/2028-7-0x0000000140000000-0x0000000140050000-memory.dmp

        memory/4768-56-0x0000000140000000-0x0000000140050000-memory.dmp

        memory/5104-54-0x0000000140000000-0x0000000140050000-memory.dmp

        memory/5604-41-0x0000000140000000-0x0000000140050000-memory.dmp