Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/08/2026, 12:26

General

  • Target
    librarya.dll
  • Size 291KB
  • Sample260802-pl8dsaap3s
  • SHA256 d6d05876429ddef21cbb805addb2b9b967ce153adf4f4e83887a649762288e2e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Hide Artifacts: Ignore Process Interrupts 1 TTPs 1 IoCs

    Command interpreters often include specific commands/flags that ignore errors and other hangups.

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\librarya.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:6080
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\librarya.dll,#1
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:6164
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c echo off | clip
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1852
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /S /D /c" echo off "
          4⤵
          • System Location Discovery: System Language Discovery
          PID:6072
        • C:\Windows\SysWOW64\clip.exe
          clip
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3448
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command Clear-RecycleBin -Force -ErrorAction SilentlyContinue
        3⤵
        • Enumerates connected drives
        • Hide Artifacts: Ignore Process Interrupts
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:6444

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/6164-1-0x0000000000D10000-0x0000000000D11000-memory.dmp

        memory/6164-0-0x0000000010000000-0x0000000010102000-memory.dmp

        memory/6164-3-0x0000000000EB0000-0x0000000000EB1000-memory.dmp

        memory/6164-2-0x0000000010000000-0x0000000010102000-memory.dmp

        memory/6444-5-0x00000000747C2000-0x00000000747C3000-memory.dmp

        memory/6444-6-0x0000000002C20000-0x0000000002C56000-memory.dmp

        memory/6444-7-0x00000000747B0000-0x0000000074F6C000-memory.dmp

        memory/6444-8-0x0000000005550000-0x0000000005B9A000-memory.dmp

        memory/6444-9-0x00000000747B0000-0x0000000074F6C000-memory.dmp

        memory/6444-10-0x0000000005460000-0x0000000005482000-memory.dmp

        memory/6444-11-0x0000000005BA0000-0x0000000005C06000-memory.dmp

        memory/6444-12-0x0000000005C10000-0x0000000005C76000-memory.dmp

        memory/6444-15-0x0000000005C80000-0x0000000005FDB000-memory.dmp

        memory/6444-16-0x0000000006130000-0x000000000614E000-memory.dmp

        memory/6444-17-0x00000000061F0000-0x000000000623C000-memory.dmp

        memory/6444-18-0x0000000007300000-0x0000000007396000-memory.dmp

        memory/6444-19-0x00000000066A0000-0x00000000066BA000-memory.dmp

        memory/6444-20-0x00000000066F0000-0x0000000006712000-memory.dmp

        memory/6444-21-0x0000000007960000-0x0000000007F1A000-memory.dmp

        memory/6444-23-0x00000000747B0000-0x0000000074F6C000-memory.dmp