Analysis

  • max time kernel
    125s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/05/2024, 18:03

General

  • Target
    3b1fc3c26c0b389300f97131887434f0_NeikiAnalytics.exe
  • Size 2.0MB
  • Sample240510-wm9fssdc57
  • SHA256 54407f425416b36b90fb26b1ed72a9126dd7e4e6ff833cd9bb1b0f77d31b160d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • DcRat 47 IoCs

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

  • Modifies WinLogon for persistence 2 TTPs 15 IoCs
  • Process spawned unexpected child process 45 IoCs

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

  • DCRat payload 9 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 30 IoCs
  • Drops file in Program Files directory 20 IoCs
  • Drops file in Windows directory 25 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 45 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 2 IoCs
  • Suspicious use of WriteProcessMemory 2 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\3b1fc3c26c0b389300f97131887434f0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\3b1fc3c26c0b389300f97131887434f0_NeikiAnalytics.exe"
    1⤵
    • DcRat
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Adds Run key to start application
    • 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
    PID:1044
    • C:\Recovery\WindowsRE\services.exe
      "C:\Recovery\WindowsRE\services.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3720
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "3b1fc3c26c0b389300f97131887434f0_NeikiAnalytics3" /sc MINUTE /mo 12 /tr "'C:\Windows\CbsTemp\3b1fc3c26c0b389300f97131887434f0_NeikiAnalytics.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4116
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "3b1fc3c26c0b389300f97131887434f0_NeikiAnalytics" /sc ONLOGON /tr "'C:\Windows\CbsTemp\3b1fc3c26c0b389300f97131887434f0_NeikiAnalytics.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:1836
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "3b1fc3c26c0b389300f97131887434f0_NeikiAnalytics3" /sc MINUTE /mo 9 /tr "'C:\Windows\CbsTemp\3b1fc3c26c0b389300f97131887434f0_NeikiAnalytics.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:3528
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\Windows\DigitalLocker\en-US\sppsvc.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:1312
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Windows\DigitalLocker\en-US\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:1164
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 9 /tr "'C:\Windows\DigitalLocker\en-US\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:3564
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 11 /tr "'C:\Program Files\Windows Media Player\StartMenuExperienceHost.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:1668
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Program Files\Windows Media Player\StartMenuExperienceHost.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:3792
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 11 /tr "'C:\Program Files\Windows Media Player\StartMenuExperienceHost.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2144
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:672
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:1924
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2928
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\Users\Default\sppsvc.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4508
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Users\Default\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4660
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 5 /tr "'C:\Users\Default\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4900
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 14 /tr "'C:\Windows\Microsoft.NET\backgroundTaskHost.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2636
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Windows\Microsoft.NET\backgroundTaskHost.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4224
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 10 /tr "'C:\Windows\Microsoft.NET\backgroundTaskHost.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:3156
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 12 /tr "'C:\Windows\Registration\CRMLog\System.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4924
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Windows\Registration\CRMLog\System.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2188
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Windows\Registration\CRMLog\System.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:384
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\explorer.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4512
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\explorer.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4264
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\explorer.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:3132
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows Defender\es-ES\sysmon.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:3756
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sysmon" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Defender\es-ES\sysmon.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 "sysmons" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Defender\es-ES\sysmon.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4100
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\msedge.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4220
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "msedge" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\msedge.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2096
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "msedgem" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\msedge.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:772
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "servicess" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\services.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4828
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\services.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4776
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "servicess" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\services.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:3472
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Portable Devices\System.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2560
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Portable Devices\System.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4580
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Portable Devices\System.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4412
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Windows\addins\csrss.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:1588
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\addins\csrss.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:3508
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Windows\addins\csrss.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:532
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Program Files\MSBuild\RuntimeBroker.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4540
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files\MSBuild\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:3708
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 5 /tr "'C:\Program Files\MSBuild\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:3912
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2136
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:1340
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • DcRat
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:4216
  • 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=3128,i,15721081447618313297,6839074028983272033,262144 --variations-seed-version --mojo-platform-channel-handle=4316 /prefetch:8
    1⤵
      PID:384

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          sysmon.exe

          • Path C:\Program Files (x86)\Windows Defender\es-ES\sysmon.exe
          • Size 2.0MB
          • SHA256 bedd1ff047078898128610635f174e0db0364081447dfc0d4e6f4fcfb8597061
          • MD5 SHA1 SHA512 SSDEEP

          RuntimeBroker.exe

          • Path C:\Program Files\MSBuild\RuntimeBroker.exe
          • Size 2.0MB
          • SHA256 7b2725ab90bb603d9c358ba5e85f7d10db427249be77e83a41d587fa049ce36f
          • MD5 SHA1 SHA512 SSDEEP

          msedge.exe

          • Path C:\Recovery\WindowsRE\msedge.exe
          • Size 2.0MB
          • SHA256 eecd0da7cc2773fcfbf21f991c84a2959b0f3c040939eca1de56c8c2d4799b38
          • MD5 SHA1 SHA512 SSDEEP

          services.exe

          • Path C:\Recovery\WindowsRE\services.exe
          • Size 2.0MB
          • SHA256 b24287f8e9e0b7e6d1dbb0cc8290596799828ddceb7086dc2aad5a77247b3a18
          • MD5 SHA1 SHA512 SSDEEP

          spoolsv.exe

          • Path C:\Recovery\WindowsRE\spoolsv.exe
          • Size 2.0MB
          • SHA256 059fe8404898c5f4beef52df3c85e1acd7919f6347cf66c4ae6fe96f0ae3308f
          • MD5 SHA1 SHA512 SSDEEP

          sppsvc.exe

          • Path C:\Users\Default\sppsvc.exe
          • Size 2.0MB
          • SHA256 54407f425416b36b90fb26b1ed72a9126dd7e4e6ff833cd9bb1b0f77d31b160d
          • MD5 SHA1 SHA512 SSDEEP

          sppsvc.exe

          • Path C:\Users\Default\sppsvc.exe
          • Size 2.0MB
          • SHA256 dbc9de07cc4fa4bf38eb7aff0836a5582978b4a727bc80678f6592d90d31627d
          • MD5 SHA1 SHA512 SSDEEP

          memory/1044-7-0x000000001B3A0000-0x000000001B3B6000-memory.dmp

          memory/1044-0-0x00007FFDD3EB3000-0x00007FFDD3EB5000-memory.dmp

          memory/1044-9-0x000000001B570000-0x000000001B57C000-memory.dmp

          memory/1044-10-0x000000001B580000-0x000000001B58C000-memory.dmp

          memory/1044-11-0x000000001B590000-0x000000001B59C000-memory.dmp

          memory/1044-13-0x000000001B5B0000-0x000000001B5BE000-memory.dmp

          memory/1044-12-0x000000001B5A0000-0x000000001B5AE000-memory.dmp

          memory/1044-14-0x000000001B5C0000-0x000000001B5CA000-memory.dmp

          memory/1044-5-0x000000001B380000-0x000000001B388000-memory.dmp

          memory/1044-4-0x000000001B520000-0x000000001B570000-memory.dmp

          memory/1044-8-0x000000001B3C0000-0x000000001B416000-memory.dmp

          memory/1044-6-0x000000001B390000-0x000000001B3A0000-memory.dmp

          memory/1044-3-0x000000001B360000-0x000000001B37C000-memory.dmp

          memory/1044-2-0x00007FFDD3EB0000-0x00007FFDD4971000-memory.dmp

          memory/1044-1-0x0000000000560000-0x000000000076C000-memory.dmp

          memory/1044-284-0x00007FFDD3EB0000-0x00007FFDD4971000-memory.dmp

          memory/3720-283-0x0000000000F90000-0x000000000119C000-memory.dmp

          memory/3720-285-0x000000001D720000-0x000000001D776000-memory.dmp