Analysis

  • max time kernel
    95s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-02-2025 05:58

General

  • Target

    f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.exe

  • Size

    2.3MB

  • MD5

    7f9578cac30087f4675bbcb003ed8b5e

  • SHA1

    b42579f5efbc5efa18eb442c2fc61fa90d988718

  • SHA256

    f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc

  • SHA512

    e2933cef7a5fe25e230e66473acf663859441cf159269db345b12ff082f88f555bf56ec565ba42c61f61db1cc742cb63f2eb77cf37ac9512b7587a56c0f4f8d1

  • SSDEEP

    24576:8ITVuaZN/8RjsOUQ1svsFlreQmkaZrtdYetEfUhdHWIVqk+dKLkHXBwYlINmm4Uh:8BSe/UwPItdrtEfUhdHWIVnTLUmz0kB

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 2 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • 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 37 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 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\f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.exe
    "C:\Users\Admin\AppData\Local\Temp\f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3080
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\E8a6DlTa2v.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3092
      • C:\Windows\system32\w32tm.exe
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        3⤵
          PID:1280
        • C:\Users\Default\wininit.exe
          "C:\Users\Default\wininit.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1432
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 5 /tr "'C:\Users\Default\Recent\spoolsv.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1052
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Users\Default\Recent\spoolsv.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1268
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 8 /tr "'C:\Users\Default\Recent\spoolsv.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3676
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "servicess" /sc MINUTE /mo 12 /tr "'C:\Users\All Users\services.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4988
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Users\All Users\services.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:684
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "servicess" /sc MINUTE /mo 12 /tr "'C:\Users\All Users\services.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4292
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\winlogon.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4416
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\winlogon.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4896
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\winlogon.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5020
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Multimedia Platform\upfc.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1320
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "upfc" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Multimedia Platform\upfc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2400
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Multimedia Platform\upfc.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:620
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 14 /tr "'C:\Users\Default User\unsecapp.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5072
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Users\Default User\unsecapp.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3552
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 8 /tr "'C:\Users\Default User\unsecapp.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4480
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 11 /tr "'C:\Users\Public\Downloads\dllhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4604
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Users\Public\Downloads\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3664
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 9 /tr "'C:\Users\Public\Downloads\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2304
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 12 /tr "'C:\Users\Default\wininit.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3512
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Users\Default\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3668
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 14 /tr "'C:\Users\Default\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3112
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Common Files\System\fr-FR\winlogon.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2212
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\System\fr-FR\winlogon.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:376
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Common Files\System\fr-FR\winlogon.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4620
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4904
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3304
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:8
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Defender\fr-FR\dllhost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1284
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Defender\fr-FR\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2992
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Defender\fr-FR\dllhost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:5076
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "servicess" /sc MINUTE /mo 12 /tr "'C:\Windows\DigitalLocker\en-US\services.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1560
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Windows\DigitalLocker\en-US\services.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2100
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "servicess" /sc MINUTE /mo 5 /tr "'C:\Windows\DigitalLocker\en-US\services.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1524
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Microsoft\Edge\Application\StartMenuExperienceHost.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2700
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft\Edge\Application\StartMenuExperienceHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:636
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Microsoft\Edge\Application\StartMenuExperienceHost.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4092
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Sidebar\wininit.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3660
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Sidebar\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2132
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Sidebar\wininit.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4964
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows NT\Accessories\en-US\RuntimeBroker.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2088
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\Accessories\en-US\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3940
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows NT\Accessories\en-US\RuntimeBroker.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:4288
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\System.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2176
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\System.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2956
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\System.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:2860
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\Templates\explorer.exe'" /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:3944
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Users\All Users\Templates\explorer.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1744
    • C:\Windows\system32\schtasks.exe
      schtasks.exe /create /tn "explorere" /sc MINUTE /mo 8 /tr "'C:\Users\All Users\Templates\explorer.exe'" /rl HIGHEST /f
      1⤵
      • Process spawned unexpected child process
      • Scheduled Task/Job: Scheduled Task
      PID:1908

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\E8a6DlTa2v.bat

      Filesize

      193B

      MD5

      75e681b5a8da5d23dcd91c6e74da7302

      SHA1

      29344d746e89bc1f778938b78f4658e528a40d88

      SHA256

      4fc1949ee7973c753ac7ed42b369d6b5a50f43a1f04a4a852d5ce096de5a0623

      SHA512

      8267059331646da63ac026b35397acb0fe9dcebae76cf22cc8c98b1f218ade4e2f96707ceb0dc10ac6c00852bb90d6bc3325e4b4052179ef238c76f838825b52

    • C:\Users\Default\unsecapp.exe

      Filesize

      2.3MB

      MD5

      7f9578cac30087f4675bbcb003ed8b5e

      SHA1

      b42579f5efbc5efa18eb442c2fc61fa90d988718

      SHA256

      f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc

      SHA512

      e2933cef7a5fe25e230e66473acf663859441cf159269db345b12ff082f88f555bf56ec565ba42c61f61db1cc742cb63f2eb77cf37ac9512b7587a56c0f4f8d1

    • memory/1432-52-0x000000001B500000-0x000000001B512000-memory.dmp

      Filesize

      72KB

    • memory/3080-5-0x0000000003510000-0x0000000003526000-memory.dmp

      Filesize

      88KB

    • memory/3080-4-0x000000001BE70000-0x000000001BEC0000-memory.dmp

      Filesize

      320KB

    • memory/3080-6-0x0000000003530000-0x0000000003586000-memory.dmp

      Filesize

      344KB

    • memory/3080-0-0x00007FFB0A653000-0x00007FFB0A655000-memory.dmp

      Filesize

      8KB

    • memory/3080-7-0x00000000019C0000-0x00000000019D2000-memory.dmp

      Filesize

      72KB

    • memory/3080-8-0x000000001CCF0000-0x000000001D218000-memory.dmp

      Filesize

      5.2MB

    • memory/3080-9-0x00000000033C0000-0x00000000033CE000-memory.dmp

      Filesize

      56KB

    • memory/3080-3-0x00000000034F0000-0x000000000350C000-memory.dmp

      Filesize

      112KB

    • memory/3080-47-0x00007FFB0A650000-0x00007FFB0B111000-memory.dmp

      Filesize

      10.8MB

    • memory/3080-2-0x00007FFB0A650000-0x00007FFB0B111000-memory.dmp

      Filesize

      10.8MB

    • memory/3080-1-0x0000000000F50000-0x000000000119E000-memory.dmp

      Filesize

      2.3MB