Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-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 18 IoCs

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

  • DCRat payload 3 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 18 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 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⤵
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2980
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\YRXbn8bWta.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:768
      • C:\Windows\system32\w32tm.exe
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        3⤵
          PID:1644
        • C:\MSOCache\All Users\explorer.exe
          "C:\MSOCache\All Users\explorer.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2120
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows NT\dllhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2688
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2736
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows NT\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2584
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\explorer.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2860
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\MSOCache\All Users\explorer.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2616
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 12 /tr "'C:\MSOCache\All Users\explorer.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2480
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\csrss.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2628
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\MSOCache\All Users\csrss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1176
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\MSOCache\All Users\csrss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2472
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "servicess" /sc MINUTE /mo 6 /tr "'C:\Windows\en-US\services.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2944
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Windows\en-US\services.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:392
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "servicess" /sc MINUTE /mo 13 /tr "'C:\Windows\en-US\services.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2348
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\Windows\ServiceProfiles\NetworkService\Saved Games\Idle.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1204
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Windows\ServiceProfiles\NetworkService\Saved Games\Idle.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2524
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\Windows\ServiceProfiles\NetworkService\Saved Games\Idle.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2696
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.fr\lsass.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:2792
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.fr\lsass.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1544
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.fr\lsass.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Creates scheduled task(s)
      PID:1580

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\YRXbn8bWta.bat

      Filesize

      199B

      MD5

      f5d0271849afd7f0222a2927e08bef80

      SHA1

      4abf7720fed8a9179b9edcc126e23553267b993a

      SHA256

      33eaa64659238be32a299393bec1fdfcd614a02254c3e8401dfd9d8e75512470

      SHA512

      d7fae90a1d9dc5b7eaa8580660a05815178dcb874129b6c5d1aa2953f729011cbeef80402042504662917011a73b5d7608acffc3078fdfd30df81f59db41b34b

    • C:\Windows\ServiceProfiles\NetworkService\Saved Games\Idle.exe

      Filesize

      829KB

      MD5

      d46e2f5007e8af971c34a17bafe544d0

      SHA1

      3fa71c422597d24af29bf942bc3e7dfba404f6dd

      SHA256

      eaa9a6674a2c49762574bd10294cfe737e37c7793f4c88d0ba3700db73e15b55

      SHA512

      03d1e1ec5cff82c2fe61732d08f98d5bb8c263c081008be1ecc1bd8d359787460762773034906a52e933daf25e0ac07f9a82a1f9721e2e824e354e90100e35ef

    • memory/2120-23-0x0000000000800000-0x00000000008D6000-memory.dmp

      Filesize

      856KB

    • memory/2980-0-0x000007FEF5E43000-0x000007FEF5E44000-memory.dmp

      Filesize

      4KB

    • memory/2980-1-0x00000000000C0000-0x0000000000196000-memory.dmp

      Filesize

      856KB

    • memory/2980-2-0x000007FEF5E40000-0x000007FEF682C000-memory.dmp

      Filesize

      9.9MB

    • memory/2980-19-0x000007FEF5E40000-0x000007FEF682C000-memory.dmp

      Filesize

      9.9MB