Analysis

  • max time kernel
    119s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2024 01:51

General

  • Target

    05b123c99c5736a62f1cfd6bc6a9335a533849fe663d875d20ece0caca82e077.exe

  • Size

    828KB

  • MD5

    deb7ba77dcf2e54fb23d1a9b0e51088d

  • SHA1

    6468abad160c22594fc014d948963ba4a8565074

  • SHA256

    05b123c99c5736a62f1cfd6bc6a9335a533849fe663d875d20ece0caca82e077

  • SHA512

    18cedb50ceab47fed77100586bbb68692d82e4d3afe59815e0fb0d7c88677362756d2bcdc3003f0e6e1b2a3edff36ac450a9864d4d64ef5218612bc86e538de2

  • SSDEEP

    12288:GKLmyuewe+aR5pDIBqIBpoAmxkPnGZKYKvwdUyBWwKoX6t:GoBuQ+I5p5qpLhu33BWwXqt

Score
10/10

Malware Config

Signatures

  • DcRat

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

  • Dcrat family
  • Process spawned unexpected child process 42 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 10 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 42 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 12 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\05b123c99c5736a62f1cfd6bc6a9335a533849fe663d875d20ece0caca82e077.exe
    "C:\Users\Admin\AppData\Local\Temp\05b123c99c5736a62f1cfd6bc6a9335a533849fe663d875d20ece0caca82e077.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:1720
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\n0SniZDXo0.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1332
      • C:\Windows\system32\w32tm.exe
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        3⤵
          PID:1456
        • C:\Users\Admin\My Documents\taskhost.exe
          "C:\Users\Admin\My Documents\taskhost.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:564
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 5 /tr "'C:\Recovery\480d7142-91a3-11ef-b9f6-6e5a89f5a3c7\System.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2528
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Recovery\480d7142-91a3-11ef-b9f6-6e5a89f5a3c7\System.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2840
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 8 /tr "'C:\Recovery\480d7142-91a3-11ef-b9f6-6e5a89f5a3c7\System.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2120
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\My Documents\taskhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2080
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Users\Admin\My Documents\taskhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2836
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 7 /tr "'C:\Users\Admin\My Documents\taskhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2584
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 7 /tr "'C:\Program Files\Java\jdk1.7.0_80\jre\bin\taskhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2992
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Program Files\Java\jdk1.7.0_80\jre\bin\taskhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2736
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 14 /tr "'C:\Program Files\Java\jdk1.7.0_80\jre\bin\taskhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3008
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 11 /tr "'C:\Program Files\Windows Journal\fr-FR\sppsvc.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2468
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Program Files\Windows Journal\fr-FR\sppsvc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2704
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 9 /tr "'C:\Program Files\Windows Journal\fr-FR\sppsvc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2772
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 12 /tr "'C:\Recovery\480d7142-91a3-11ef-b9f6-6e5a89f5a3c7\winlogon.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2540
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Recovery\480d7142-91a3-11ef-b9f6-6e5a89f5a3c7\winlogon.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2364
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 6 /tr "'C:\Recovery\480d7142-91a3-11ef-b9f6-6e5a89f5a3c7\winlogon.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:788
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 9 /tr "'C:\Windows\Panther\taskhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1768
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Windows\Panther\taskhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1968
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 12 /tr "'C:\Windows\Panther\taskhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2888
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 10 /tr "'C:\Recovery\480d7142-91a3-11ef-b9f6-6e5a89f5a3c7\OSPPSVC.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3032
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OSPPSVC" /sc ONLOGON /tr "'C:\Recovery\480d7142-91a3-11ef-b9f6-6e5a89f5a3c7\OSPPSVC.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:476
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 10 /tr "'C:\Recovery\480d7142-91a3-11ef-b9f6-6e5a89f5a3c7\OSPPSVC.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:568
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 13 /tr "'C:\Program Files\VideoLAN\VLC\lua\meta\reader\explorer.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2812
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files\VideoLAN\VLC\lua\meta\reader\explorer.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1828
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 12 /tr "'C:\Program Files\VideoLAN\VLC\lua\meta\reader\explorer.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:600
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Uninstall Information\dwm.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1032
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Program Files (x86)\Uninstall Information\dwm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2160
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Uninstall Information\dwm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2472
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 10 /tr "'C:\Windows\Temp\Crashpad\attachments\OSPPSVC.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1836
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OSPPSVC" /sc ONLOGON /tr "'C:\Windows\Temp\Crashpad\attachments\OSPPSVC.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1604
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 8 /tr "'C:\Windows\Temp\Crashpad\attachments\OSPPSVC.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2804
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Portable Devices\OSPPSVC.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2336
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OSPPSVC" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Portable Devices\OSPPSVC.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:896
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Portable Devices\OSPPSVC.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2060
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "smsss" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\smss.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2064
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\smss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2168
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "smsss" /sc MINUTE /mo 12 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\smss.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1440
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\Music\OSPPSVC.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2300
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OSPPSVC" /sc ONLOGON /tr "'C:\Users\Admin\Music\OSPPSVC.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2232
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\Music\OSPPSVC.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2236
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsml" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\Videos\lsm.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:356
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Users\Admin\Videos\lsm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1388
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "lsml" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\Videos\lsm.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1524

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Recovery\480d7142-91a3-11ef-b9f6-6e5a89f5a3c7\winlogon.exe

      Filesize

      828KB

      MD5

      deb7ba77dcf2e54fb23d1a9b0e51088d

      SHA1

      6468abad160c22594fc014d948963ba4a8565074

      SHA256

      05b123c99c5736a62f1cfd6bc6a9335a533849fe663d875d20ece0caca82e077

      SHA512

      18cedb50ceab47fed77100586bbb68692d82e4d3afe59815e0fb0d7c88677362756d2bcdc3003f0e6e1b2a3edff36ac450a9864d4d64ef5218612bc86e538de2

    • C:\Users\Admin\AppData\Local\Temp\n0SniZDXo0.bat

      Filesize

      205B

      MD5

      a7063da73892fb5949c6fe697648c068

      SHA1

      1b1d2c8574fbbed85e0256ba24ccbd6f67726382

      SHA256

      55d378d2620ca22780d12dcdedb46af08bbe45a7214c4b3b3e6354dadb99033f

      SHA512

      d1ac831424c51005d26a4659c0367350307748257e81639629b47787ac9cf9275376e2357964c10628db1dc40497f8e695066884d97ec98d217527e328aaf5ba

    • memory/564-39-0x0000000000C00000-0x0000000000CD6000-memory.dmp

      Filesize

      856KB

    • memory/1720-0-0x000007FEF5B73000-0x000007FEF5B74000-memory.dmp

      Filesize

      4KB

    • memory/1720-1-0x00000000008D0000-0x00000000009A6000-memory.dmp

      Filesize

      856KB

    • memory/1720-2-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

      Filesize

      9.9MB

    • memory/1720-36-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

      Filesize

      9.9MB