Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-02-2025 23:27

General

  • Target

    5b72b675d312dc805dcd399812e636e3f27fd1814975f9906daccb1f64e86762.exe

  • Size

    827KB

  • MD5

    ee9f2d79c47d1d8f5e12135af3b6e51b

  • SHA1

    05f8199fdf6946c81239af918b51a03ccb6e8ef2

  • SHA256

    5b72b675d312dc805dcd399812e636e3f27fd1814975f9906daccb1f64e86762

  • SHA512

    5146db40a9e977a352ed4b25684ca65b21b0716e9b0f55d06d94c2af8dae80ace1036588e34c7dcc489b148255ba0a3a916581eb525cdea2984d3ef4c5ad9305

  • SSDEEP

    12288:+PjbkdQsEdvdRDnB0WmNN3D+nvIsmnxkmt7IxcC1AE:+rbQQsE9WWmNNz+wpxlyxcMAE

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 10 IoCs
  • Drops file in Windows directory 6 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\5b72b675d312dc805dcd399812e636e3f27fd1814975f9906daccb1f64e86762.exe
    "C:\Users\Admin\AppData\Local\Temp\5b72b675d312dc805dcd399812e636e3f27fd1814975f9906daccb1f64e86762.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:1036
    • C:\MSOCache\All Users\wininit.exe
      "C:\MSOCache\All Users\wininit.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3024
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 14 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\taskhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2740
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\taskhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2096
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\taskhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2768
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 13 /tr "'C:\Program Files\Microsoft Games\Purble Place\es-ES\csrss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2744
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\Microsoft Games\Purble Place\es-ES\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2776
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Program Files\Microsoft Games\Purble Place\es-ES\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2608
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-0117-0409-0000-0000000FF1CE}-C\Access.en-us\OSPPSVC.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1696
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OSPPSVC" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0117-0409-0000-0000000FF1CE}-C\Access.en-us\OSPPSVC.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2068
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\{90140000-0117-0409-0000-0000000FF1CE}-C\Access.en-us\OSPPSVC.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2620
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 8 /tr "'C:\Windows\Logs\DISM\WmiPrvSE.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1276
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Windows\Logs\DISM\WmiPrvSE.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2940
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 10 /tr "'C:\Windows\Logs\DISM\WmiPrvSE.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2944
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 5 /tr "'C:\Recovery\1f5748e2-69f6-11ef-b486-62cb582c238c\taskhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3060
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Recovery\1f5748e2-69f6-11ef-b486-62cb582c238c\taskhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2128
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 7 /tr "'C:\Recovery\1f5748e2-69f6-11ef-b486-62cb582c238c\taskhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2084
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 14 /tr "'C:\Recovery\1f5748e2-69f6-11ef-b486-62cb582c238c\audiodg.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1728
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Recovery\1f5748e2-69f6-11ef-b486-62cb582c238c\audiodg.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1532
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 5 /tr "'C:\Recovery\1f5748e2-69f6-11ef-b486-62cb582c238c\audiodg.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:352
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\wininit.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2380
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\MSOCache\All Users\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2076
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1180
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 13 /tr "'C:\Windows\DigitalLocker\ja-JP\sppsvc.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2916
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Windows\DigitalLocker\ja-JP\sppsvc.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 "sppsvcs" /sc MINUTE /mo 8 /tr "'C:\Windows\DigitalLocker\ja-JP\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:484
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WMIADAPW" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows NT\Accessories\de-DE\WMIADAP.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1956
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WMIADAP" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\Accessories\de-DE\WMIADAP.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2560
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "WMIADAPW" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows NT\Accessories\de-DE\WMIADAP.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:340
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "servicess" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Windows Defender\services.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2216
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Defender\services.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1056
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "servicess" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Defender\services.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1460
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 14 /tr "'C:\Recovery\1f5748e2-69f6-11ef-b486-62cb582c238c\spoolsv.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2404
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Recovery\1f5748e2-69f6-11ef-b486-62cb582c238c\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:236
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 12 /tr "'C:\Recovery\1f5748e2-69f6-11ef-b486-62cb582c238c\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:408
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\lsass.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1568
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2676
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Sidebar\Gadgets\Calendar.Gadget\lsass.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:976
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 9 /tr "'C:\Windows\en-US\Idle.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:560
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Windows\en-US\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1104
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 13 /tr "'C:\Windows\en-US\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1020
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsml" /sc MINUTE /mo 9 /tr "'C:\Program Files\Windows Portable Devices\lsm.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:568
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Program Files\Windows Portable Devices\lsm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1708
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsml" /sc MINUTE /mo 13 /tr "'C:\Program Files\Windows Portable Devices\lsm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2372
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Recovery\1f5748e2-69f6-11ef-b486-62cb582c238c\csrss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1172
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Recovery\1f5748e2-69f6-11ef-b486-62cb582c238c\csrss.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 "csrssc" /sc MINUTE /mo 8 /tr "'C:\Recovery\1f5748e2-69f6-11ef-b486-62cb582c238c\csrss.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 "spoolsvs" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\spoolsv.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1344
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2056
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2340

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Recovery\1f5748e2-69f6-11ef-b486-62cb582c238c\taskhost.exe

    Filesize

    827KB

    MD5

    ee9f2d79c47d1d8f5e12135af3b6e51b

    SHA1

    05f8199fdf6946c81239af918b51a03ccb6e8ef2

    SHA256

    5b72b675d312dc805dcd399812e636e3f27fd1814975f9906daccb1f64e86762

    SHA512

    5146db40a9e977a352ed4b25684ca65b21b0716e9b0f55d06d94c2af8dae80ace1036588e34c7dcc489b148255ba0a3a916581eb525cdea2984d3ef4c5ad9305

  • memory/1036-0-0x000007FEF5B73000-0x000007FEF5B74000-memory.dmp

    Filesize

    4KB

  • memory/1036-1-0x00000000013C0000-0x0000000001496000-memory.dmp

    Filesize

    856KB

  • memory/1036-2-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

    Filesize

    9.9MB

  • memory/1036-42-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

    Filesize

    9.9MB

  • memory/3024-41-0x0000000000A20000-0x0000000000AF6000-memory.dmp

    Filesize

    856KB