Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/06/2024, 15:37

General

  • Target
    aac537dd9bdd5e971c412a81cc7d05b0_NeikiAnalytics.exe
  • Size 827KB
  • Sample240617-s2phdsvfph
  • SHA256 938ee50908041d657958d7f13ef8c24d57566e18bd4db0af132ba5b438da9ec0
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • DcRat 33 IoCs

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

  • Process spawned unexpected child process 30 IoCs

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

  • DCRat payload 2 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Drops file in Windows directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 30 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 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\aac537dd9bdd5e971c412a81cc7d05b0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\aac537dd9bdd5e971c412a81cc7d05b0_NeikiAnalytics.exe"
    1⤵
    • DcRat
    • Checks computer location settings
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\VXDoKEq81l.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1696
      • C:\Windows\system32\w32tm.exe
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        3⤵
          PID:3660
        • C:\Users\Admin\AppData\Local\Temp\aac537dd9bdd5e971c412a81cc7d05b0_NeikiAnalytics.exe
          "C:\Users\Admin\AppData\Local\Temp\aac537dd9bdd5e971c412a81cc7d05b0_NeikiAnalytics.exe"
          3⤵
          • Checks computer location settings
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3828
          • C:\Program Files\Windows Security\BrowserCore\en-US\unsecapp.exe
            "C:\Program Files\Windows Security\BrowserCore\en-US\unsecapp.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2564
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 13 /tr "'C:\Windows\Logs\SettingSync\dllhost.exe'" /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2200
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Windows\Logs\SettingSync\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2252
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 7 /tr "'C:\Windows\Logs\SettingSync\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3180
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "aac537dd9bdd5e971c412a81cc7d05b0_NeikiAnalyticsa" /sc MINUTE /mo 14 /tr "'C:\Windows\Registration\CRMLog\aac537dd9bdd5e971c412a81cc7d05b0_NeikiAnalytics.exe'" /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1220
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "aac537dd9bdd5e971c412a81cc7d05b0_NeikiAnalytics" /sc ONLOGON /tr "'C:\Windows\Registration\CRMLog\aac537dd9bdd5e971c412a81cc7d05b0_NeikiAnalytics.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3444
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "aac537dd9bdd5e971c412a81cc7d05b0_NeikiAnalyticsa" /sc MINUTE /mo 6 /tr "'C:\Windows\Registration\CRMLog\aac537dd9bdd5e971c412a81cc7d05b0_NeikiAnalytics.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:848
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\sihost.exe'" /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1704
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sihost.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:4504
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\sihost.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:680
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows Multimedia Platform\explorer.exe'" /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:4980
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Multimedia Platform\explorer.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:4836
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows Multimedia Platform\explorer.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2328
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 6 /tr "'C:\Program Files\MSBuild\StartMenuExperienceHost.exe'" /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:816
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Program Files\MSBuild\StartMenuExperienceHost.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:60
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 14 /tr "'C:\Program Files\MSBuild\StartMenuExperienceHost.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2552
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Install\{AC9EC20A-58E6-4D73-AEDF-357674D74796}\explorer.exe'" /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:4540
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Install\{AC9EC20A-58E6-4D73-AEDF-357674D74796}\explorer.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:4884
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Install\{AC9EC20A-58E6-4D73-AEDF-357674D74796}\explorer.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3160
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 13 /tr "'C:\Program Files\Windows Security\BrowserCore\en-US\unsecapp.exe'" /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:4888
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Program Files\Windows Security\BrowserCore\en-US\unsecapp.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:4016
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 5 /tr "'C:\Program Files\Windows Security\BrowserCore\en-US\unsecapp.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:4496
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "aac537dd9bdd5e971c412a81cc7d05b0_NeikiAnalyticsa" /sc MINUTE /mo 5 /tr "'C:\Windows\Microsoft.NET\Framework64\v2.0.50727\MSBuild\aac537dd9bdd5e971c412a81cc7d05b0_NeikiAnalytics.exe'" /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3748
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "aac537dd9bdd5e971c412a81cc7d05b0_NeikiAnalytics" /sc ONLOGON /tr "'C:\Windows\Microsoft.NET\Framework64\v2.0.50727\MSBuild\aac537dd9bdd5e971c412a81cc7d05b0_NeikiAnalytics.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1360
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "aac537dd9bdd5e971c412a81cc7d05b0_NeikiAnalyticsa" /sc MINUTE /mo 9 /tr "'C:\Windows\Microsoft.NET\Framework64\v2.0.50727\MSBuild\aac537dd9bdd5e971c412a81cc7d05b0_NeikiAnalytics.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3560
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:4040
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:4448
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2544
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 12 /tr "'C:\Users\Default\TextInputHost.exe'" /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2636
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "TextInputHost" /sc ONLOGON /tr "'C:\Users\Default\TextInputHost.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2212
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 6 /tr "'C:\Users\Default\TextInputHost.exe'" /rl HIGHEST /f
      1⤵
      • DcRat
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3324

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          StartMenuExperienceHost.exe

          • Path C:\Program Files\MSBuild\StartMenuExperienceHost.exe
          • Size 827KB
          • SHA256 938ee50908041d657958d7f13ef8c24d57566e18bd4db0af132ba5b438da9ec0
          • MD5 SHA1 SHA512 SSDEEP

          aac537dd9bdd5e971c412a81cc7d05b0_NeikiAnalytics.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\aac537dd9bdd5e971c412a81cc7d05b0_NeikiAnalytics.exe.log
          • Size 1KB
          • SHA256 519fceae4d0dd4d09edd1b81bcdfa8aeab4b59eee77a4cd4b6295ce8e591a900
          • MD5 SHA1 SHA512

          VXDoKEq81l.bat

          • Path C:\Users\Admin\AppData\Local\Temp\VXDoKEq81l.bat
          • Size 250B
          • SHA256 41f82de3ccb5436ebf28b7eae84a3591872c8b40bb4babc98642b1be5f619324
          • MD5 SHA1 SHA512

          memory/2360-0-0x00007FFB98E13000-0x00007FFB98E15000-memory.dmp

          memory/2360-1-0x0000000000E50000-0x0000000000F26000-memory.dmp

          memory/2360-4-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp

          memory/2360-13-0x00007FFB98E10000-0x00007FFB998D1000-memory.dmp