Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-05-2024 09:28

General

  • Target

    d46e2f5007e8af971c34a17bafe544d0_NeikiAnalytics.exe

  • Size

    829KB

  • MD5

    d46e2f5007e8af971c34a17bafe544d0

  • SHA1

    3fa71c422597d24af29bf942bc3e7dfba404f6dd

  • SHA256

    eaa9a6674a2c49762574bd10294cfe737e37c7793f4c88d0ba3700db73e15b55

  • SHA512

    03d1e1ec5cff82c2fe61732d08f98d5bb8c263c081008be1ecc1bd8d359787460762773034906a52e933daf25e0ac07f9a82a1f9721e2e824e354e90100e35ef

  • SSDEEP

    12288:lCFCcYc/Cg2QGAtikngWn3IgPZA9H7id2naI+:l9cYc/IOikngWnYnH7id2ng

Score
10/10

Malware Config

Signatures

  • DcRat

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

  • Process spawned unexpected child process 27 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 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 6 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 27 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 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\d46e2f5007e8af971c34a17bafe544d0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\d46e2f5007e8af971c34a17bafe544d0_NeikiAnalytics.exe"
    1⤵
    • Checks computer location settings
    • 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:3684
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\bF0M1fvQ1b.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1688
      • C:\Windows\system32\w32tm.exe
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        3⤵
          PID:3628
        • C:\Users\Default\Music\d46e2f5007e8af971c34a17bafe544d0_NeikiAnalytics.exe
          "C:\Users\Default\Music\d46e2f5007e8af971c34a17bafe544d0_NeikiAnalytics.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2292
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\explorer.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3040
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\explorer.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1200
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\explorer.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3036
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2124
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2100
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3288
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "d46e2f5007e8af971c34a17bafe544d0_NeikiAnalyticsd" /sc MINUTE /mo 6 /tr "'C:\Users\Default\Music\d46e2f5007e8af971c34a17bafe544d0_NeikiAnalytics.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:544
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "d46e2f5007e8af971c34a17bafe544d0_NeikiAnalytics" /sc ONLOGON /tr "'C:\Users\Default\Music\d46e2f5007e8af971c34a17bafe544d0_NeikiAnalytics.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:4216
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "d46e2f5007e8af971c34a17bafe544d0_NeikiAnalyticsd" /sc MINUTE /mo 8 /tr "'C:\Users\Default\Music\d46e2f5007e8af971c34a17bafe544d0_NeikiAnalytics.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2864
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 12 /tr "'C:\Windows\Migration\WTR\System.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2664
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Windows\Migration\WTR\System.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2440
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 11 /tr "'C:\Windows\Migration\WTR\System.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2080
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:5008
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2040
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:4064
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\wininit.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2108
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:4260
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3532
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Microsoft\Edge\Application\backgroundTaskHost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2152
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft\Edge\Application\backgroundTaskHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2428
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Microsoft\Edge\Application\backgroundTaskHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2760
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Defender\fr-FR\taskhostw.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:4828
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Defender\fr-FR\taskhostw.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3068
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Defender\fr-FR\taskhostw.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3956
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Google\Temp\upfc.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3180
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "upfc" /sc ONLOGON /tr "'C:\Program Files (x86)\Google\Temp\upfc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3048
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Google\Temp\upfc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:3868

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Recovery\WindowsRE\backgroundTaskHost.exe

      Filesize

      829KB

      MD5

      d46e2f5007e8af971c34a17bafe544d0

      SHA1

      3fa71c422597d24af29bf942bc3e7dfba404f6dd

      SHA256

      eaa9a6674a2c49762574bd10294cfe737e37c7793f4c88d0ba3700db73e15b55

      SHA512

      03d1e1ec5cff82c2fe61732d08f98d5bb8c263c081008be1ecc1bd8d359787460762773034906a52e933daf25e0ac07f9a82a1f9721e2e824e354e90100e35ef

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\d46e2f5007e8af971c34a17bafe544d0_NeikiAnalytics.exe.log

      Filesize

      1KB

      MD5

      7f3c0ae41f0d9ae10a8985a2c327b8fb

      SHA1

      d58622bf6b5071beacf3b35bb505bde2000983e3

      SHA256

      519fceae4d0dd4d09edd1b81bcdfa8aeab4b59eee77a4cd4b6295ce8e591a900

      SHA512

      8a8fd17eef071f86e672cba0d8fc2cfed6118aff816100b9d7c06eb96443c04c04bc5692259c8d7ecb1563e877921939c61726605af4f969e3f586f0913ed125

    • C:\Users\Admin\AppData\Local\Temp\bF0M1fvQ1b.bat

      Filesize

      239B

      MD5

      85b9d88acf4c90a067739f99f18fbecb

      SHA1

      ffa2f545d03113cada7fd64165a91e5d591b4461

      SHA256

      3603c21cebe0ae3ea2eb21bcb7038b66290d8f19f7a5048d1b547ab26269c71e

      SHA512

      43433dc0e7ccaaa12ab2f3fd0d7b0215f4f75e64b3e6405df3264011660b47835116d87a8b298c92c391a9530f3cb5b89fead5c18528758b50cc475f22204726

    • memory/3684-0-0x00007FFADBFD3000-0x00007FFADBFD5000-memory.dmp

      Filesize

      8KB

    • memory/3684-1-0x0000000000D60000-0x0000000000E36000-memory.dmp

      Filesize

      856KB

    • memory/3684-4-0x00007FFADBFD0000-0x00007FFADCA91000-memory.dmp

      Filesize

      10.8MB

    • memory/3684-26-0x00007FFADBFD0000-0x00007FFADCA91000-memory.dmp

      Filesize

      10.8MB