Analysis

  • max time kernel
    21s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2025 21:53

General

  • Target

    386bd2b2a1d1899d13aad65caeee2270a062d4aba942420b4c6f3772f98330b6.exe

  • Size

    1.1MB

  • MD5

    b1aef8e00d2f8831202653cdfe252500

  • SHA1

    06355ce7ff6d4703687e6bbc42453ab54ead44a4

  • SHA256

    386bd2b2a1d1899d13aad65caeee2270a062d4aba942420b4c6f3772f98330b6

  • SHA512

    66deed8db457ae1804c9b04b6009fffc15aa7d68f2aed8fec2e027f238e363b3dd7782096c2f512136a7cbf94e30f675621f62fd5fb6b4af72267b4efc9b4f76

  • SSDEEP

    24576:lR1EqyxFq++j7VH84qrBPMKg4hBBmPdBYgmZ:pE/WD4hBkPd2

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 48 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 8 IoCs
  • Drops file in Windows directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 48 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 3 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\386bd2b2a1d1899d13aad65caeee2270a062d4aba942420b4c6f3772f98330b6.exe
    "C:\Users\Admin\AppData\Local\Temp\386bd2b2a1d1899d13aad65caeee2270a062d4aba942420b4c6f3772f98330b6.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:2344
    • C:\Windows\addins\explorer.exe
      "C:\Windows\addins\explorer.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1624
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsml" /sc MINUTE /mo 13 /tr "'C:\Users\Default\Downloads\lsm.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2896
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Users\Default\Downloads\lsm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2948
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsml" /sc MINUTE /mo 9 /tr "'C:\Users\Default\Downloads\lsm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2808
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsml" /sc MINUTE /mo 5 /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\lsm.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2716
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\lsm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2924
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsml" /sc MINUTE /mo 13 /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\lsm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2868
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 7 /tr "'C:\Users\All Users\Favorites\spoolsv.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2728
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Users\All Users\Favorites\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2284
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 12 /tr "'C:\Users\All Users\Favorites\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2700
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 13 /tr "'C:\Program Files\Windows Journal\csrss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2852
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\Windows Journal\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2184
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\Program Files\Windows Journal\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1168
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 7 /tr "'C:\Windows\Migration\WTR\smss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2292
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Windows\Migration\WTR\smss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1876
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 8 /tr "'C:\Windows\Migration\WTR\smss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2616
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\{90140000-0116-0409-1000-0000000FF1CE}-C\explorer.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2044
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0116-0409-1000-0000000FF1CE}-C\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2436
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\{90140000-0116-0409-1000-0000000FF1CE}-C\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2748
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 14 /tr "'C:\Users\Default User\explorer.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2080
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Users\Default User\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1680
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 6 /tr "'C:\Users\Default User\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2032
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 6 /tr "'C:\Windows\IME\IMETC10\WmiPrvSE.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1764
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Windows\IME\IMETC10\WmiPrvSE.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2476
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 10 /tr "'C:\Windows\IME\IMETC10\WmiPrvSE.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1188
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\explorer.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2952
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1996
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1012
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "386bd2b2a1d1899d13aad65caeee2270a062d4aba942420b4c6f3772f98330b63" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\Searches\386bd2b2a1d1899d13aad65caeee2270a062d4aba942420b4c6f3772f98330b6.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1612
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "386bd2b2a1d1899d13aad65caeee2270a062d4aba942420b4c6f3772f98330b6" /sc ONLOGON /tr "'C:\Users\Admin\Searches\386bd2b2a1d1899d13aad65caeee2270a062d4aba942420b4c6f3772f98330b6.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:928
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "386bd2b2a1d1899d13aad65caeee2270a062d4aba942420b4c6f3772f98330b63" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\Searches\386bd2b2a1d1899d13aad65caeee2270a062d4aba942420b4c6f3772f98330b6.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2512
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Media Player\Visualizations\explorer.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1900
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Media Player\Visualizations\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1992
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Media Player\Visualizations\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:436
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 13 /tr "'C:\Windows\addins\explorer.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2264
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Windows\addins\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2492
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 8 /tr "'C:\Windows\addins\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2088
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\Program Files\Mozilla Firefox\csrss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1056
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\Mozilla Firefox\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2636
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\Program Files\Mozilla Firefox\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2416
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Mail\ja-JP\csrss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2408
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\ja-JP\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1216
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows Mail\ja-JP\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1424
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\dwm.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1720
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1252
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1616
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 6 /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\lsass.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2740
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:964
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 8 /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Migration\WTR\smss.exe

    Filesize

    1.1MB

    MD5

    b1aef8e00d2f8831202653cdfe252500

    SHA1

    06355ce7ff6d4703687e6bbc42453ab54ead44a4

    SHA256

    386bd2b2a1d1899d13aad65caeee2270a062d4aba942420b4c6f3772f98330b6

    SHA512

    66deed8db457ae1804c9b04b6009fffc15aa7d68f2aed8fec2e027f238e363b3dd7782096c2f512136a7cbf94e30f675621f62fd5fb6b4af72267b4efc9b4f76

  • memory/1624-43-0x0000000000E90000-0x0000000000FB6000-memory.dmp

    Filesize

    1.1MB

  • memory/2344-0-0x000007FEF6253000-0x000007FEF6254000-memory.dmp

    Filesize

    4KB

  • memory/2344-1-0x0000000000FA0000-0x00000000010C6000-memory.dmp

    Filesize

    1.1MB

  • memory/2344-2-0x000007FEF6250000-0x000007FEF6C3C000-memory.dmp

    Filesize

    9.9MB

  • memory/2344-3-0x0000000000240000-0x000000000025C000-memory.dmp

    Filesize

    112KB

  • memory/2344-4-0x0000000000280000-0x0000000000296000-memory.dmp

    Filesize

    88KB

  • memory/2344-44-0x000007FEF6250000-0x000007FEF6C3C000-memory.dmp

    Filesize

    9.9MB