Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2025, 06:11

General

  • Target

    5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe

  • Size

    441KB

  • MD5

    b9f5eaf0927d4c526e3a838d82236dbc

  • SHA1

    b760db73097b50b340706d785bf67236c3074c25

  • SHA256

    5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547

  • SHA512

    673aa114aeb21e124d2f6cfb697a5880194edf4543d1ce792ffbe9742e236e4607f5f51aa6f5e672f500b2f894c358686c32bbd41ca6a2552c502c1c5ac51106

  • SSDEEP

    6144:pXoI87e04Y8x9eL7e6VlWT8b9BcgjwUPbQVd/y1E:pM98+7PVle8rAUeCE

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe
    "C:\Users\Admin\AppData\Local\Temp\5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5356
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" /C SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "DaVinci Resolve Update" /tr "C:\Windows\xdwdAutodesk Maya.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1192
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "DaVinci Resolve Update" /tr "C:\Windows\xdwdAutodesk Maya.exe"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5736
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "Notepad++ Upgrade" /tr "C:\Windows\xdwdAutodesk Maya.exe" /RL HIGHEST & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:704
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo -1 /tn "Notepad++ Upgrade" /tr "C:\Windows\xdwdAutodesk Maya.exe" /RL HIGHEST
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:660
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" /c SchTaSKs /create /f /sc minute /mo 5 /tn "Notepad++ Upgrade" /tr "C:\Program Files\xdwdMicrosoft Teams.exe" /RL HIGHEST & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1176
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /create /f /sc minute /mo 5 /tn "Notepad++ Upgrade" /tr "C:\Program Files\xdwdMicrosoft Teams.exe" /RL HIGHEST
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:6084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\xdwd.dll

    Filesize

    136KB

    MD5

    16e5a492c9c6ae34c59683be9c51fa31

    SHA1

    97031b41f5c56f371c28ae0d62a2df7d585adaba

    SHA256

    35c8d022e1d917f1aabdceae98097ccc072161b302f84c768ca63e4b32ac2b66

    SHA512

    20fd369172ef5e3e2fde388666b42e8fe5f0c2bfa338c0345f45e98af6561a249ba3ecc48c3f16efcc73f02ecb67b3ddb1e2e8f0e77d18fa00ac34e6379e50b6

  • memory/5356-0-0x00007FFF33493000-0x00007FFF33495000-memory.dmp

    Filesize

    8KB

  • memory/5356-1-0x0000000000B20000-0x0000000000B94000-memory.dmp

    Filesize

    464KB

  • memory/5356-17-0x00007FFF33490000-0x00007FFF33F51000-memory.dmp

    Filesize

    10.8MB

  • memory/5356-87-0x00007FFF33490000-0x00007FFF33F51000-memory.dmp

    Filesize

    10.8MB