Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260513-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    02/07/2026, 12:08

General

  • Target
    tmpb8h_8u8c.exe
  • Size 8.2MB
  • Sample260702-pa6e2sf14j
  • SHA256 ecf3d3b121abae2d915158a74508807e3696cdeaf7a3bb592372c730a764020c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10

Malware Config

Signatures

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Modifies registry class 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmpb8h_8u8c.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpb8h_8u8c.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    PID:4008

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        NightLight Desktop.exe

        • Path C:\Users\Admin\AppData\Local\Programs\NightLight Desktop\NightLight Desktop.exe
        • Size 15.6MB
        • SHA256 97f51bdc2aec13ae5345189987b294d7a586143e984688de773c373f4267a2c0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        InstallOptions.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu5129.tmp\InstallOptions.dll
        • Size 15KB
        • SHA256 dd0d1a8c4511261333e90a94d9912000592c46731b615aa7a37cd2b3eb6a8d58
        • MD5 SHA1 SHA512 SSDEEP TLSH

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsu5129.tmp\System.dll
        • Size 12KB
        • SHA256 996645d7f16a6294babb6da83478062aed7b72318d7a51b66e90ab5d3edc51a5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsu5129.tmp\ioSpecial.ini
        • Size 794B
        • SHA256 553b9724720bf5fe996326bafc5968d8cbb1856bae8dbf04594fdd2f57563c4b
        • MD5 SHA1 SHA512 TLSH

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsu5129.tmp\ioSpecial.ini
        • Size 1KB
        • SHA256 c409297ac89020757211b1e09effcff2c4721967f2dac4e39c21495a95a4fed4
        • MD5 SHA1 SHA512 TLSH

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsu5129.tmp\ioSpecial.ini
        • Size 1KB
        • SHA256 b6eed130e1aac766e52856e3cc566fc28c46eac17fcf129f6ef8c4ef81167aaa
        • MD5 SHA1 SHA512 TLSH