Overview

overview

10

Static

static

3

Client4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 01:02

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General

  • Target

    Client4.exe

  • Size

    532KB

  • MD5

    6d2e4a0fa025c3f4f73ec8d739112492

  • SHA1

    211336573950a59f7e71d25ddef3be6ea74e009a

  • SHA256

    7d2e8f5dab4586a438b2360ff399b86ed9d0c72f0324fe21d83dedc0e863304f

  • SHA512

    894a4f0fdbad0172b64ccbeea91ae544678dd1fa924577b20fe1a7c3d21f53917618fb01464b8c8771343eb73bce49bd7a61bfc1a91ea4931bb9c1754f6d1aff

  • SSDEEP

    6144:k2sShSigjcPMN6H0PbPTOhsfebU8tSOtVmbNMczZWBbw6dJq16HsD:7L5PMN6Hu7OqcntVmbu3JpM

Score
10/10
persistence

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in Windows directory 4 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 14 IoCs
  • Suspicious use of SendNotifyMessage 14 IoCs
  • Suspicious use of WriteProcessMemory 4 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\Client4.exe
    "C:\Users\Admin\AppData\Local\Temp\Client4.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3784
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" /C SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "System" /tr "C:\Windows\WindowsDefender" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4504
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "System" /tr "C:\Windows\WindowsDefender"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:5032
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/3784-0-0x00007FFD36353000-0x00007FFD36355000-memory.dmp

    Filesize

    8KB

    Download

  • memory/3784-1-0x0000000000780000-0x000000000080C000-memory.dmp

    Filesize

    560KB

    Download

  • memory/3784-58-0x00007FFD36350000-0x00007FFD36E11000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/3784-116-0x00007FFD36350000-0x00007FFD36E11000-memory.dmp

    Filesize

    10.8MB

    Download