Analysis

  • max time kernel
    31s
  • max time network
    75s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/12/2022, 08:21

General

  • Target
    14930a13b21a006cc5492488b95d9d59.exe
  • Size 1.8MB
  • Sample221201-j82xmaea2v
  • SHA256 2725744203c338c3d26fd404c26af2f772c164d6069bd1c0b92e5ada2db82dae
  • MD5 SHA1 SHA512 SSDEEP
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 48 IoCs

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

  • DCRat payload 4 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Drops file in Drivers directory 1 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Drops file in Windows directory 2 IoCs
  • Creates scheduled task(s) 1 TTPs 48 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\14930a13b21a006cc5492488b95d9d59.exe
    "C:\Users\Admin\AppData\Local\Temp\14930a13b21a006cc5492488b95d9d59.exe"
    1⤵
    • Drops file in Drivers directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3436
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/'
      2⤵
        PID:5080
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'
        2⤵
          PID:4336
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'
          2⤵
            PID:4668
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'
            2⤵
              PID:5088
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'
              2⤵
                PID:1468
              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                "powershell" -Command Add-MpPreference -ExclusionPath 'C:/odt/'
                2⤵
                  PID:4784
                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'
                  2⤵
                    PID:4696
                  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                    "powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
                    2⤵
                      PID:3748
                    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                      "powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
                      2⤵
                        PID:988
                      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                        "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
                        2⤵
                          PID:2716
                        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                          "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'
                          2⤵
                            PID:3520
                          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                            "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
                            2⤵
                              PID:3696
                            • C:\Users\Default\SendTo\smss.exe
                              "C:\Users\Default\SendTo\smss.exe"
                              2⤵
                                PID:4236
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\odt\dllhost.exe'" /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:4460
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\odt\dllhost.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:1368
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\odt\dllhost.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:3464
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\Users\All Users\Templates\csrss.exe'" /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:2648
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\All Users\Templates\csrss.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:4588
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Users\All Users\Templates\csrss.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:3488
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:1548
                            • 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:2240
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:1660
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 6 /tr "'C:\odt\Idle.exe'" /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:1592
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\odt\Idle.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:3784
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 11 /tr "'C:\odt\Idle.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:1444
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "14930a13b21a006cc5492488b95d9d591" /sc MINUTE /mo 8 /tr "'C:\Users\Public\Pictures\14930a13b21a006cc5492488b95d9d59.exe'" /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:3624
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "14930a13b21a006cc5492488b95d9d59" /sc ONLOGON /tr "'C:\Users\Public\Pictures\14930a13b21a006cc5492488b95d9d59.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:5100
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "14930a13b21a006cc5492488b95d9d591" /sc MINUTE /mo 7 /tr "'C:\Users\Public\Pictures\14930a13b21a006cc5492488b95d9d59.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:3300
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Common Files\csrss.exe'" /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:3720
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\csrss.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:3136
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Common Files\csrss.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:1996
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\sihost.exe'" /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:3652
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sihost.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:396
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\sihost.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:100
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\fontdrvhost.exe'" /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:176
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\fontdrvhost.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:1884
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\fontdrvhost.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:4752
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 14 /tr "'C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\RedistList\OfficeClickToRun.exe'" /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:2792
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\RedistList\OfficeClickToRun.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:2836
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 7 /tr "'C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\RedistList\OfficeClickToRun.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:4192
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "servicess" /sc MINUTE /mo 12 /tr "'C:\odt\services.exe'" /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:2948
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\odt\services.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:820
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "servicess" /sc MINUTE /mo 12 /tr "'C:\odt\services.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:3632
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Sidebar\Gadgets\dwm.exe'" /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:2028
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Sidebar\Gadgets\dwm.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:4312
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Sidebar\Gadgets\dwm.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:732
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "14930a13b21a006cc5492488b95d9d591" /sc MINUTE /mo 5 /tr "'C:\odt\14930a13b21a006cc5492488b95d9d59.exe'" /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:1280
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "14930a13b21a006cc5492488b95d9d59" /sc ONLOGON /tr "'C:\odt\14930a13b21a006cc5492488b95d9d59.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:4392
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "14930a13b21a006cc5492488b95d9d591" /sc MINUTE /mo 6 /tr "'C:\odt\14930a13b21a006cc5492488b95d9d59.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 "sihosts" /sc MINUTE /mo 8 /tr "'C:\Windows\ModemLogs\sihost.exe'" /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:1272
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Windows\ModemLogs\sihost.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:1068
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 11 /tr "'C:\Windows\ModemLogs\sihost.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:1948
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "smsss" /sc MINUTE /mo 12 /tr "'C:\Users\Default\SendTo\smss.exe'" /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:3432
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Users\Default\SendTo\smss.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:2884
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "smsss" /sc MINUTE /mo 11 /tr "'C:\Users\Default\SendTo\smss.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:816
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 6 /tr "'C:\Windows\Cursors\spoolsv.exe'" /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:1428
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Windows\Cursors\spoolsv.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:5056
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 6 /tr "'C:\Windows\Cursors\spoolsv.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:2988
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 10 /tr "'C:\odt\StartMenuExperienceHost.exe'" /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:3096
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\odt\StartMenuExperienceHost.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:3204
                            • C:\Windows\system32\schtasks.exe
                              schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 8 /tr "'C:\odt\StartMenuExperienceHost.exe'" /rl HIGHEST /f
                              1⤵
                              • Process spawned unexpected child process
                              • Creates scheduled task(s)
                              PID:2864

                            Network

                                  MITRE ATT&CK Enterprise v6

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  smss.exe

                                  • Path C:\Users\Default\AppData\Roaming\Microsoft\Windows\SendTo\smss.exe
                                  • Size 1.3MB
                                  • SHA256 5b2a020cd2d511b841fdd2c295f896a908e6d76e690ec93938f24920e75eabb8
                                  • MD5 SHA1 SHA512 SSDEEP

                                  smss.exe

                                  • Path C:\Users\Default\SendTo\smss.exe
                                  • Size 1.2MB
                                  • SHA256 11cb1edc6f0b6c16237f5e3c7d13ebd2b6e0151b0bd71b7ed46856c3059cfce2
                                  • MD5 SHA1 SHA512 SSDEEP

                                  memory/1468-162-0x00007FFB86930000-0x00007FFB873F1000-memory.dmp

                                  memory/2716-166-0x00007FFB86930000-0x00007FFB873F1000-memory.dmp

                                  memory/3436-170-0x00007FFB86930000-0x00007FFB873F1000-memory.dmp

                                  memory/3436-132-0x0000000000010000-0x00000000001D8000-memory.dmp

                                  memory/3436-141-0x000000001CFE7000-0x000000001CFEA000-memory.dmp

                                  memory/3436-133-0x00007FFB86930000-0x00007FFB873F1000-memory.dmp

                                  memory/3436-139-0x000000001CFE0000-0x000000001CFE4000-memory.dmp

                                  memory/3436-134-0x000000001BC80000-0x000000001BCD0000-memory.dmp

                                  memory/3436-145-0x000000001CFE0000-0x000000001CFE4000-memory.dmp

                                  memory/3436-136-0x0000000000999000-0x000000000099F000-memory.dmp

                                  memory/3436-155-0x000000001CFE4000-0x000000001CFE7000-memory.dmp

                                  memory/3436-138-0x0000000000999000-0x000000000099F000-memory.dmp

                                  memory/3436-140-0x000000001CFE4000-0x000000001CFE7000-memory.dmp

                                  memory/3436-135-0x000000001C3B0000-0x000000001C8D8000-memory.dmp

                                  memory/3436-137-0x00007FFB86930000-0x00007FFB873F1000-memory.dmp

                                  memory/3696-171-0x00007FFB86930000-0x00007FFB873F1000-memory.dmp

                                  memory/3748-168-0x00007FFB86930000-0x00007FFB873F1000-memory.dmp

                                  memory/4236-169-0x0000000000090000-0x0000000000258000-memory.dmp

                                  memory/4336-158-0x00007FFB86930000-0x00007FFB873F1000-memory.dmp

                                  memory/4668-159-0x00007FFB86930000-0x00007FFB873F1000-memory.dmp

                                  memory/4696-163-0x00007FFB86930000-0x00007FFB873F1000-memory.dmp

                                  memory/4784-160-0x00007FFB86930000-0x00007FFB873F1000-memory.dmp

                                  memory/5080-157-0x00007FFB86930000-0x00007FFB873F1000-memory.dmp

                                  memory/5080-156-0x0000017BF78A0000-0x0000017BF78C2000-memory.dmp

                                  memory/5088-161-0x00007FFB86930000-0x00007FFB873F1000-memory.dmp