Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    01/08/2026, 10:44

General

  • Target
    6721d6b0ed68abe2669a5e8cb5b5c2c56e6388db7c643619c14bd8436aa255e1.exe
  • Size 669KB
  • Sample260801-ms248she29
  • SHA256 6721d6b0ed68abe2669a5e8cb5b5c2c56e6388db7c643619c14bd8436aa255e1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6721d6b0ed68abe2669a5e8cb5b5c2c56e6388db7c643619c14bd8436aa255e1.exe
    "C:\Users\Admin\AppData\Local\Temp\6721d6b0ed68abe2669a5e8cb5b5c2c56e6388db7c643619c14bd8436aa255e1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Users\Admin\AppData\Local\Temp\6721d6b0ed68abe2669a5e8cb5b5c2c56e6388db7c643619c14bd8436aa255e1.exe
      "C:\Users\Admin\AppData\Local\Temp\6721d6b0ed68abe2669a5e8cb5b5c2c56e6388db7c643619c14bd8436aa255e1.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      PID:3816

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsm4A05.tmp\System.dll
        • Size 12KB
        • SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
        • MD5 SHA1 SHA512 SSDEEP TLSH

        timelanges.lnk

        • Path C:\Users\Admin\Music\timelanges.lnk
        • Size 826B
        • SHA256 32b1462001ab346dafeca63c22a1e4f3b57a1c9860a689ba253f4191c40f427e
        • MD5 SHA1 SHA512 TLSH

        memory/2172-307-0x0000000074985000-0x0000000074986000-memory.dmp

        memory/3816-308-0x00000000016F0000-0x0000000006198000-memory.dmp

        memory/3816-309-0x0000000077568000-0x0000000077569000-memory.dmp

        memory/3816-310-0x0000000077609000-0x000000007760A000-memory.dmp

        memory/3816-320-0x0000000000490000-0x00000000016E4000-memory.dmp

        memory/3816-321-0x0000000077609000-0x000000007760A000-memory.dmp