Overview

overview

10

Static

static

28ad0bc330...42.exe

windows7-x64

10

28ad0bc330...42.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2022, 17:55

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General

  • Target
    28ad0bc330c7005637c6241ef5f267981c7b31561dc7d5d5a56e24423b63e642.exe
  • Size 96KB
  • Sample220817-whd44aahfl
  • SHA256 28ad0bc330c7005637c6241ef5f267981c7b31561dc7d5d5a56e24423b63e642
  • MD5 SHA1 SHA512
Score
10/10
netdookaloaderpersistencerat

Malware Config

Extracted

Family

  • netdooka

C2

  • 93.115.21.45

Signatures

  • NetDooka

    NetDooka is a malware framework distributed by way of a pay-per-install and written in C#.

    loaderratnetdooka
  • Executes dropped EXE 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in Program Files directory 1 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks SCSI registry key(s) 3 TTPs 22 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 54 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of FindShellTrayWindow 49 IoCs
  • Suspicious use of SendNotifyMessage 21 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\28ad0bc330c7005637c6241ef5f267981c7b31561dc7d5d5a56e24423b63e642.exe
    "C:\Users\Admin\AppData\Local\Temp\28ad0bc330c7005637c6241ef5f267981c7b31561dc7d5d5a56e24423b63e642.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1780
    • C:\Windows\SYSTEM32\ping.exe
      "ping.exe" 1.2.3.4 -n 2
      2⤵
      • Runs ping.exe
      PID:3412
    • C:\Windows\System32\sc.exe
      "C:\Windows\System32\sc.exe" start protdrv
      2⤵
      • Launches sc.exe
      PID:4048
    • C:\Users\Admin\AppData\Local\Temp\ougdwieue.exe
      "C:\Users\Admin\AppData\Local\Temp\\ougdwieue.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4160
      • C:\Windows\SysWOW64\runas.exe
        runas /trustlevel:0x20000 C:\Windows\explorer.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4316
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          4⤵
          • Modifies Installed Components in the registry
          • Enumerates connected drives
          • Checks SCSI registry key(s)
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:2172
  • 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:3444
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4660

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        ougdwieue.exe
        • Path C:\Users\Admin\AppData\Local\Temp\ougdwieue.exe
        • Size 88KB
        • SHA256 ab7d39e34ad51bc3138fb4d0f7dedc4668be1d4b54a45c385e661869267ef685
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        ougdwieue.exe
        • Path C:\Users\Admin\AppData\Local\Temp\ougdwieue.exe
        • Size 88KB
        • SHA256 ab7d39e34ad51bc3138fb4d0f7dedc4668be1d4b54a45c385e661869267ef685
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/1780-132-0x00007FFD87E00000-0x00007FFD88836000-memory.dmp
        Download

        memory/4160-138-0x0000000075340000-0x00000000758F1000-memory.dmp
        Download

        memory/4160-172-0x0000000075340000-0x00000000758F1000-memory.dmp
        Download

        memory/4660-152-0x0000021C6E1C0000-0x0000021C6E1E0000-memory.dmp
        Download

        memory/4660-154-0x0000021C6EC80000-0x0000021C6ECA0000-memory.dmp
        Download

        memory/4660-157-0x0000021C6E560000-0x0000021C6E580000-memory.dmp
        Download

        memory/4660-160-0x0000021400020000-0x0000021400023000-memory.dmp
        Download

        memory/4660-161-0x0000021400020000-0x0000021400023000-memory.dmp
        Download

        memory/4660-162-0x0000021400020000-0x0000021400023000-memory.dmp
        Download

        memory/4660-163-0x0000021400020000-0x0000021400023000-memory.dmp
        Download

        memory/4660-168-0x0000021400040000-0x0000021400043000-memory.dmp
        Download

        memory/4660-169-0x0000021400040000-0x0000021400043000-memory.dmp
        Download

        memory/4660-170-0x0000021400040000-0x0000021400043000-memory.dmp
        Download

        memory/4660-150-0x0000021C6D290000-0x0000021C6D298000-memory.dmp
        Download