Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    25/08/2026, 03:32

General

  • Target
    1c3b40e16baa8378b035a428da10fd16fdd13da968c4222325d9bd72eb34b736.exe
  • Size 697KB
  • Sample260825-d3lessek2v
  • SHA256 1c3b40e16baa8378b035a428da10fd16fdd13da968c4222325d9bd72eb34b736
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 IoCs
  • 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\1c3b40e16baa8378b035a428da10fd16fdd13da968c4222325d9bd72eb34b736.exe
    "C:\Users\Admin\AppData\Local\Temp\1c3b40e16baa8378b035a428da10fd16fdd13da968c4222325d9bd72eb34b736.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2776
    • C:\Users\Admin\AppData\Local\Temp\1c3b40e16baa8378b035a428da10fd16fdd13da968c4222325d9bd72eb34b736.exe
      "C:\Users\Admin\AppData\Local\Temp\1c3b40e16baa8378b035a428da10fd16fdd13da968c4222325d9bd72eb34b736.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      PID:920

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsd7C9A.tmp\System.dll
        • Size 12KB
        • SHA256 acf90ab6f4edc687e94aaf604d05e16e6cfb5e35873783b50c66f307a35c6506
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rabbinat.ini

        • Path C:\Users\Admin\Videos\rabbinat.ini
        • Size 37B
        • SHA256 cffef7c1122622b6796879840f785add873f776a8f4d8734d29539f87ec1467a
        • MD5 SHA1 SHA512

        memory/920-25-0x0000000001780000-0x0000000003350000-memory.dmp

        memory/920-26-0x0000000001780000-0x0000000003350000-memory.dmp

        memory/920-27-0x000000007748F000-0x0000000077490000-memory.dmp

        memory/920-28-0x0000000077515000-0x0000000077516000-memory.dmp

        memory/920-29-0x0000000000490000-0x0000000001776000-memory.dmp

        memory/920-30-0x0000000001780000-0x0000000003350000-memory.dmp

        memory/920-31-0x0000000077515000-0x0000000077516000-memory.dmp

        memory/2776-23-0x0000000002930000-0x0000000004500000-memory.dmp

        memory/2776-24-0x0000000074535000-0x0000000074536000-memory.dmp