Analysis

  • max time kernel
    131s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/06/2024, 00:06

General

  • Target
    213b4e478db8c8d29d62d818e3f0541c96579622ae68cbe3c55b73ae13d8a30d_NeikiAnalytics.exe
  • Size 1.3MB
  • Sample240624-adxvrashnr
  • SHA256 213b4e478db8c8d29d62d818e3f0541c96579622ae68cbe3c55b73ae13d8a30d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • DcRat

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

  • Modifies WinLogon for persistence 2 TTPs 6 IoCs
  • Process spawned unexpected child process 18 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • UAC bypass 3 TTPs 6 IoCs
  • DCRat payload 2 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 12 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 18 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 6 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\213b4e478db8c8d29d62d818e3f0541c96579622ae68cbe3c55b73ae13d8a30d_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\213b4e478db8c8d29d62d818e3f0541c96579622ae68cbe3c55b73ae13d8a30d_NeikiAnalytics.exe"
    1⤵
    • Modifies WinLogon for persistence
    • UAC bypass
    • Checks computer location settings
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4556
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\QGb8TfrEaR.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4260
      • C:\Windows\system32\w32tm.exe
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        3⤵
          PID:3768
        • C:\Users\Admin\Documents\SppExtComObj.exe
          "C:\Users\Admin\Documents\SppExtComObj.exe"
          3⤵
          • UAC bypass
          • Executes dropped EXE
          • Checks whether UAC is enabled
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • System policy modification
          PID:636
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\msedge.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3844
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "msedge" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\msedge.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2420
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\msedge.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4804
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Windows\DigitalLocker\en-US\dllhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3472
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Windows\DigitalLocker\en-US\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1728
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 6 /tr "'C:\Windows\DigitalLocker\en-US\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:928
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\Documents\SppExtComObj.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5068
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Users\Admin\Documents\SppExtComObj.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3412
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 11 /tr "'C:\Users\Admin\Documents\SppExtComObj.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4248
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 6 /tr "'C:\Program Files\Common Files\dllhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3960
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files\Common Files\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3492
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 10 /tr "'C:\Program Files\Common Files\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2980
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "servicess" /sc MINUTE /mo 8 /tr "'C:\Windows\ImmersiveControlPanel\images\services.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:652
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Windows\ImmersiveControlPanel\images\services.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4192
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "servicess" /sc MINUTE /mo 8 /tr "'C:\Windows\ImmersiveControlPanel\images\services.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4156
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 10 /tr "'C:\Users\Default\PrintHood\msedge.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3992
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "msedge" /sc ONLOGON /tr "'C:\Users\Default\PrintHood\msedge.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1108
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 8 /tr "'C:\Users\Default\PrintHood\msedge.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4580
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1036,i,6576818814118437872,11004518367271063231,262144 --variations-seed-version --mojo-platform-channel-handle=3948 /prefetch:8
      1⤵
        PID:1656

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            QGb8TfrEaR.bat

            • Path C:\Users\Admin\AppData\Local\Temp\QGb8TfrEaR.bat
            • Size 206B
            • SHA256 966bae1fccb5a934c7779d8b017727ce90c30d7233fdea557a8fd200dc897a15
            • MD5 SHA1 SHA512

            services.exe

            • Path C:\Windows\ImmersiveControlPanel\images\services.exe
            • Size 1.3MB
            • SHA256 213b4e478db8c8d29d62d818e3f0541c96579622ae68cbe3c55b73ae13d8a30d
            • MD5 SHA1 SHA512 SSDEEP

            memory/4556-4-0x000000001B540000-0x000000001B590000-memory.dmp

            memory/4556-3-0x000000001AEB0000-0x000000001AECC000-memory.dmp

            memory/4556-6-0x000000001AEF0000-0x000000001AEFA000-memory.dmp

            memory/4556-5-0x000000001AED0000-0x000000001AEE6000-memory.dmp

            memory/4556-0-0x00007FFE9C853000-0x00007FFE9C855000-memory.dmp

            memory/4556-7-0x000000001AF00000-0x000000001AF0C000-memory.dmp

            memory/4556-9-0x000000001AF20000-0x000000001AF2C000-memory.dmp

            memory/4556-8-0x000000001AF10000-0x000000001AF18000-memory.dmp

            memory/4556-10-0x000000001B590000-0x000000001B59C000-memory.dmp

            memory/4556-2-0x00007FFE9C850000-0x00007FFE9D311000-memory.dmp

            memory/4556-28-0x00007FFE9C850000-0x00007FFE9D311000-memory.dmp

            memory/4556-1-0x0000000000250000-0x00000000003A8000-memory.dmp