Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 06:13

General

  • Target

    8601303574d298fe6d9a433d6fab9854ff5fb81d357d01f5065dccdb4407bb8e.exe

  • Size

    827KB

  • MD5

    7d14c283441fdefcf681cc58017bb841

  • SHA1

    cdfe7ca961f11fd078a314335ce8c19f3acf2409

  • SHA256

    8601303574d298fe6d9a433d6fab9854ff5fb81d357d01f5065dccdb4407bb8e

  • SHA512

    413f00a1c2dc19c43bf1a61738ac605c405f4834095a0e410091cfbb10085d56afe8bd99928477b5dec24c3b323c387da1e3bc6680409681a1d66a7318d3eb9f

  • SSDEEP

    12288:sNtD0qKiyhtFrXketHevYS6Rc/OOi1GuHQiEHRu3oDK:snKiyhXket+vYNSi+iEE3oO

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 39 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 14 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 39 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 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\8601303574d298fe6d9a433d6fab9854ff5fb81d357d01f5065dccdb4407bb8e.exe
    "C:\Users\Admin\AppData\Local\Temp\8601303574d298fe6d9a433d6fab9854ff5fb81d357d01f5065dccdb4407bb8e.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:2540
    • C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.es\dllhost.exe
      "C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.es\dllhost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:280
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 6 /tr "'C:\Program Files\Java\jre7\bin\dtplugin\audiodg.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2328
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Program Files\Java\jre7\bin\dtplugin\audiodg.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 "audiodga" /sc MINUTE /mo 8 /tr "'C:\Program Files\Java\jre7\bin\dtplugin\audiodg.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2824
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\csrss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2772
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\MSOCache\All Users\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2752
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2892
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 10 /tr "'C:\Program Files\DVD Maker\Shared\audiodg.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2656
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Program Files\DVD Maker\Shared\audiodg.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2644
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 11 /tr "'C:\Program Files\DVD Maker\Shared\audiodg.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2732
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 11 /tr "'C:\Recovery\20e7eb62-69f6-11ef-be0c-62cb582c238c\smss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2632
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Recovery\20e7eb62-69f6-11ef-be0c-62cb582c238c\smss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2684
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 5 /tr "'C:\Recovery\20e7eb62-69f6-11ef-be0c-62cb582c238c\smss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1872
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 5 /tr "'C:\Program Files\Mozilla Firefox\defaults\pref\explorer.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1860
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files\Mozilla Firefox\defaults\pref\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2192
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 6 /tr "'C:\Program Files\Mozilla Firefox\defaults\pref\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1780
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\Searches\audiodg.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1556
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Users\Admin\Searches\audiodg.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1412
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\Searches\audiodg.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2968
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 9 /tr "'C:\Users\Public\Recorded TV\Sample Media\explorer.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1880
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Users\Public\Recorded TV\Sample Media\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2680
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 13 /tr "'C:\Users\Public\Recorded TV\Sample Media\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2012
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 14 /tr "'C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.es\dllhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2608
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.es\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2936
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.es\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3056
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 10 /tr "'C:\Windows\twain_32\System.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1648
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Windows\twain_32\System.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2440
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 6 /tr "'C:\Windows\twain_32\System.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1376
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Reference Assemblies\smss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1056
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files (x86)\Reference Assemblies\smss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2140
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Reference Assemblies\smss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2424
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Mail\fr-FR\wininit.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:640
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\fr-FR\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:540
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Mail\fr-FR\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2156
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "8601303574d298fe6d9a433d6fab9854ff5fb81d357d01f5065dccdb4407bb8e8" /sc MINUTE /mo 5 /tr "'C:\Windows\assembly\temp\8601303574d298fe6d9a433d6fab9854ff5fb81d357d01f5065dccdb4407bb8e.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1424
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "8601303574d298fe6d9a433d6fab9854ff5fb81d357d01f5065dccdb4407bb8e" /sc ONLOGON /tr "'C:\Windows\assembly\temp\8601303574d298fe6d9a433d6fab9854ff5fb81d357d01f5065dccdb4407bb8e.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1732
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "8601303574d298fe6d9a433d6fab9854ff5fb81d357d01f5065dccdb4407bb8e8" /sc MINUTE /mo 5 /tr "'C:\Windows\assembly\temp\8601303574d298fe6d9a433d6fab9854ff5fb81d357d01f5065dccdb4407bb8e.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2144
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Sidebar\de-DE\csrss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:448
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\Windows Sidebar\de-DE\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2224
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Program Files\Windows Sidebar\de-DE\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Mozilla Firefox\defaults\pref\explorer.exe

    Filesize

    827KB

    MD5

    7d14c283441fdefcf681cc58017bb841

    SHA1

    cdfe7ca961f11fd078a314335ce8c19f3acf2409

    SHA256

    8601303574d298fe6d9a433d6fab9854ff5fb81d357d01f5065dccdb4407bb8e

    SHA512

    413f00a1c2dc19c43bf1a61738ac605c405f4834095a0e410091cfbb10085d56afe8bd99928477b5dec24c3b323c387da1e3bc6680409681a1d66a7318d3eb9f

  • memory/280-35-0x0000000000A90000-0x0000000000B66000-memory.dmp

    Filesize

    856KB

  • memory/2540-0-0x000007FEF5DA3000-0x000007FEF5DA4000-memory.dmp

    Filesize

    4KB

  • memory/2540-1-0x0000000000DB0000-0x0000000000E86000-memory.dmp

    Filesize

    856KB

  • memory/2540-2-0x000007FEF5DA0000-0x000007FEF678C000-memory.dmp

    Filesize

    9.9MB

  • memory/2540-36-0x000007FEF5DA0000-0x000007FEF678C000-memory.dmp

    Filesize

    9.9MB