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

  • MD5

    c102be4fe0f4b2daa8079f8e96d3dbf9

  • SHA1

    621ef9f2ec3b515811554c54fbc1876327ca9039

  • SHA256

    d44e056cef3d42814519f4e2cb0bc609ffe8f1ab02bb49093ab9b04ba349e998

  • SHA512

    dd1ab1ae628626ffc96ddc71076a70ef673dc22b0a3f10a888a43fec2fd89dba82b7158cc1460cec7753d61d60d40f3ce94d1c1c7c2833a31c4d9aa37f1eaf84

  • SSDEEP

    12288:DML8DpbWc2SiqNxMhG330KXWBtxsqUGy841Wks+ZHmkHN3HiPCpfBVx:ILYtRt0BxTZy84DHnHpHiwV

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

  • C:\Users\Admin\AppData\Local\Temp\nsw8917.tmp\System.dll

    Filesize

    11KB

    MD5

    cf85183b87314359488b850f9e97a698

    SHA1

    6b6c790037eec7ebea4d05590359cb4473f19aea

    SHA256

    3b6a5cb2a3c091814fce297c04fb677f72732fb21615102c62a195fdc2e7dfac

    SHA512

    fe484b3fc89aeed3a6b71b90b90ea11a787697e56be3077154b6ddc2646850f6c38589ed422ff792e391638a80a778d33f22e891e76b5d65896c6fb4696a2c3b

  • C:\Users\Admin\Music\incinerations.lnk

    Filesize

    750B

    MD5

    0eb5038a57efdbe6e6f5be0279cd2a5e

    SHA1

    b2d9547fbfa7bbf4b2a54d4543fd4c4235ee9f8f

    SHA256

    cc33addc86b91b55a0124d177253ae0b8f9841fc9166a8f928b2bc22eee071ae

    SHA512

    a08c7ce69e67d67ef36b1951e0d48f48935521d3c769ed1370723b787befe5c15e7972d4afcf953a8eba94076bcb552d94a6f6dfde7f476086c91b99cb6a7c22

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

    Filesize

    19.1MB

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

    Filesize

    19.1MB

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

    Filesize

    19.1MB

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

    Filesize

    2.0MB

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

    Filesize

    19.1MB

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

    Filesize

    19.1MB

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

    Filesize

    2.0MB

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

    Filesize

    2.0MB

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

    Filesize

    2.0MB

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

    Filesize

    19.1MB

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

    Filesize

    1.1MB

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

    Filesize

    18.9MB

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

    Filesize

    1.2MB

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

    Filesize

    18.9MB

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

    Filesize

    2.0MB