Analysis

  • max time kernel
    92s
  • max time network
    203s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22/10/2024, 16:18

General

  • Target
    Lydisolerendes.exe
  • Size 540KB
  • Sample241022-tsfdssterg
  • SHA256 d44e056cef3d42814519f4e2cb0bc609ffe8f1ab02bb49093ab9b04ba349e998
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 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: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Lydisolerendes.exe
    "C:\Users\Admin\AppData\Local\Temp\Lydisolerendes.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:5420
    • C:\Users\Admin\AppData\Local\Temp\Lydisolerendes.exe
      "C:\Users\Admin\AppData\Local\Temp\Lydisolerendes.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4548

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsw8917.tmp\System.dll
        • Size 11KB
        • SHA256 3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac
        • MD5 SHA1 SHA512 SSDEEP

        incinerations.lnk

        • Path C:\Users\Admin\Music\incinerations.lnk
        • Size 750B
        • SHA256 cc33addc86b91b55a0124d177253ae0b8f9841fc9166a8f928b2bc22eee071ae
        • MD5 SHA1 SHA512

        memory/4548-453-0x0000000000400000-0x0000000001717000-memory.dmp

        memory/4548-454-0x0000000000400000-0x0000000001717000-memory.dmp

        memory/4548-458-0x0000000000400000-0x0000000001717000-memory.dmp

        memory/4548-459-0x00007FF9A3AE0000-0x00007FF9A3CE9000-memory.dmp

        memory/4548-455-0x0000000000400000-0x0000000001717000-memory.dmp

        memory/4548-434-0x0000000000400000-0x0000000001717000-memory.dmp

        memory/4548-435-0x00007FF9A3AE0000-0x00007FF9A3CE9000-memory.dmp

        memory/4548-450-0x00007FF9A3AE0000-0x00007FF9A3CE9000-memory.dmp

        memory/4548-451-0x00007FF9A3AE0000-0x00007FF9A3CE9000-memory.dmp

        memory/4548-452-0x0000000000400000-0x0000000001717000-memory.dmp

        memory/5420-432-0x0000000077801000-0x0000000077923000-memory.dmp

        memory/5420-429-0x0000000003A60000-0x0000000004D48000-memory.dmp

        memory/5420-430-0x00007FF9A3AE1000-0x00007FF9A3C0A000-memory.dmp

        memory/5420-433-0x0000000003A60000-0x0000000004D48000-memory.dmp

        memory/5420-431-0x00007FF9A3AE0000-0x00007FF9A3CE9000-memory.dmp