Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/11/2026, 19:12

General

  • Target
    test.exe
  • Size 43KB
  • Sample261107-xwpy7aew21
  • SHA256 9625f72921d5a65587f06c773b0a9a89be9d93ad2d50aeb29b8a376064ad2ae8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • njrat

Version
  • Njrat 0.7 Golden By Hassan Amiri

Botnet
  • LuaTools

C2
  • sfdscbbvdcds.ddns.net:7777

Mutex
  • Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • Family: njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Creates a file in the Startup directory 1 TTPs 1 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\test.exe
    "C:\Users\Admin\AppData\Local\Temp\test.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\Windows\Dllhost.exe
      "C:\Windows\Dllhost.exe"
      2⤵
      • Creates a file in the Startup directory
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2136
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:6084
  • C:\Windows\Dllhost.exe
    "C:\Windows\Dllhost.exe" ..
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5512
  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    C:\Users\Admin\AppData\Local\Temp/Server.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1124
  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    "C:\Users\Admin\AppData\Local\Temp/Server.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4876
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:3616
    • C:\Users\Admin\AppData\Local\Temp\Server.exe
      "C:\Users\Admin\AppData\Local\Temp/Server.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4840
    • C:\Users\Admin\AppData\Local\Temp\Server.exe
      "C:\Users\Admin\AppData\Local\Temp/Server.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1464

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          Dllhost.exe

          • Path C:\Windows\Dllhost.exe
          • Size 43KB
          • SHA256 9625f72921d5a65587f06c773b0a9a89be9d93ad2d50aeb29b8a376064ad2ae8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1844-0-0x0000000001470000-0x0000000001480000-memory.dmp

          memory/1844-1-0x0000000075082000-0x0000000075084000-memory.dmp

          memory/2136-11-0x0000000075080000-0x00000000756A1000-memory.dmp

          memory/2136-12-0x0000000075080000-0x00000000756A1000-memory.dmp

          memory/2136-17-0x0000000075080000-0x00000000756A1000-memory.dmp

          memory/5512-15-0x0000000075080000-0x00000000756A1000-memory.dmp

          memory/5512-16-0x0000000075080000-0x00000000756A1000-memory.dmp

          memory/5512-20-0x0000000075080000-0x00000000756A1000-memory.dmp