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Overview

overview

8

Static

static

3

dtdem_fr.exe

windows11-21h2-x64

1

dtdem_gr.exe

windows11-21h2-x64

1

dtdem_it.exe

windows11-21h2-x64

1

dtdem_la.exe

windows11-21h2-x64

1

dtdem_sp.exe

windows11-21h2-x64

1

dtdem_uk.exe

windows11-21h2-x64

3

dtdem_us.exe

windows11-21h2-x64

8

Analysis

  • max time kernel
    117s
  • max time network
    135s
  • platform
    windows11-21h2_x64
  • resource
    win11-20231215-en
  • resource tags

    arch:x64arch:x86image:win11-20231215-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06/01/2024, 07:53

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General

  • Target

    dtdem_us.exe

  • Size

    752KB

  • MD5

    8795985be1c20789a5b0cd5a80215feb

  • SHA1

    2377a564261ead522ac28bd9c8093fecda6e9fd8

  • SHA256

    31c08e52b726ac93a159b54f45d02a8aaa1c21aba6692bdccdbdbf7d81993007

  • SHA512

    89ee01c44667a3245e884b02ff71b2330dff8cd7445d12e16caa359dcdb1d85b199313957aa8bba2266b518e9b93c46f72178f6a28166d7da54113f824fd5712

  • SSDEEP

    12288:1CKmom7dH/3aE6/1DzQFbFJG5EkakUrybrOzYg:1nmPZ/6SJJGCk9KYg

Score
8/10
persistence

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 2 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 19 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of FindShellTrayWindow 37 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 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\dtdem_us.exe
    "C:\Users\Admin\AppData\Local\Temp\dtdem_us.exe"
    1⤵
      PID:6000
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x00000000000004E4 0x00000000000004D0
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2668
    • C:\Windows\system32\werfault.exe
      werfault.exe /h /shared Global\d1cf10dade6c445ea51b741906d54d55 /t 3340 /p 3252
      1⤵
        PID:1584
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:3076
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        1⤵
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:4472
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
        • Enumerates system info in registry
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:1496

      Network

      MITRE ATT&CK Enterprise v15

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