Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2024 03:07

General

  • Target

    ba3402759b71df5f82271b3311fb3229a9ef08298178dd63edd8dea842b42798.exe

  • Size

    1.1MB

  • MD5

    5c46eb00a3f517f8a1bddda0d44ef6f1

  • SHA1

    716a518ec7c084161bfc2d7f212c1196e9a3159f

  • SHA256

    ba3402759b71df5f82271b3311fb3229a9ef08298178dd63edd8dea842b42798

  • SHA512

    8fb50b833a3ce919bc4fcbc06214adf68dc8e7a0c967b729958ac002973159078507b03defc2055522aaa38e46cbf953a75dc669c463b33f54a8feb802b7364e

  • SSDEEP

    24576:0hBpEOYFciGLT5KIM+K1BVRSO6lGd4LmujFS9jF:0hXEtcKp+mVRxMGd+Hjw

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 45 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 9 IoCs
  • Drops file in Windows directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 45 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 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\ba3402759b71df5f82271b3311fb3229a9ef08298178dd63edd8dea842b42798.exe
    "C:\Users\Admin\AppData\Local\Temp\ba3402759b71df5f82271b3311fb3229a9ef08298178dd63edd8dea842b42798.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:2404
    • C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\ba3402759b71df5f82271b3311fb3229a9ef08298178dd63edd8dea842b42798.exe
      "C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\ba3402759b71df5f82271b3311fb3229a9ef08298178dd63edd8dea842b42798.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1552
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 12 /tr "'C:\Program Files\Internet Explorer\images\taskhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2228
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\images\taskhost.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 "taskhostt" /sc MINUTE /mo 7 /tr "'C:\Program Files\Internet Explorer\images\taskhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2248
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 6 /tr "'C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\winlogon.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2980
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\winlogon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2820
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 13 /tr "'C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\winlogon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2848
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 8 /tr "'C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\dwm.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2064
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\dwm.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 "dwmd" /sc MINUTE /mo 8 /tr "'C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2876
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 11 /tr "'C:\Windows\Migration\WTR\wininit.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2816
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Windows\Migration\WTR\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2784
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 12 /tr "'C:\Windows\Migration\WTR\wininit.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 11 /tr "'C:\Windows\Panther\UnattendGC\explorer.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2676
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Windows\Panther\UnattendGC\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 9 /tr "'C:\Windows\Panther\UnattendGC\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2660
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\dllhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1292
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\dllhost.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 "dllhostd" /sc MINUTE /mo 12 /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1480
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 14 /tr "'C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\sppsvc.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1824
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2360
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 13 /tr "'C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\sppsvc.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1844
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Internet Explorer\ja-JP\OSPPSVC.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:864
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OSPPSVC" /sc ONLOGON /tr "'C:\Program Files (x86)\Internet Explorer\ja-JP\OSPPSVC.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2880
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Internet Explorer\ja-JP\OSPPSVC.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1884
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Internet Explorer\explorer.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1272
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files (x86)\Internet Explorer\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1136
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Internet Explorer\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 "dwmd" /sc MINUTE /mo 5 /tr "'C:\Windows\Branding\dwm.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1944
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Windows\Branding\dwm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2308
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\Windows\Branding\dwm.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 "ba3402759b71df5f82271b3311fb3229a9ef08298178dd63edd8dea842b42798b" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\ba3402759b71df5f82271b3311fb3229a9ef08298178dd63edd8dea842b42798.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2512
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "ba3402759b71df5f82271b3311fb3229a9ef08298178dd63edd8dea842b42798" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\ba3402759b71df5f82271b3311fb3229a9ef08298178dd63edd8dea842b42798.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 "ba3402759b71df5f82271b3311fb3229a9ef08298178dd63edd8dea842b42798b" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\ba3402759b71df5f82271b3311fb3229a9ef08298178dd63edd8dea842b42798.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2244
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsml" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\lsm.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2516
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\Microsoft\lsm.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 "lsml" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\lsm.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2652
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 13 /tr "'C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\Idle.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1128
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:652
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 10 /tr "'C:\Recovery\1f276ee2-69f6-11ef-8b31-62cb582c238c\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1748
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\winlogon.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1364
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\MSOCache\All Users\winlogon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:692
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\winlogon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1280
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 14 /tr "'C:\Windows\Performance\WinSAT\DataStore\explorer.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:836
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Windows\Performance\WinSAT\DataStore\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:668
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "explorere" /sc MINUTE /mo 8 /tr "'C:\Windows\Performance\WinSAT\DataStore\explorer.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\Panther\UnattendGC\explorer.exe

    Filesize

    1.1MB

    MD5

    5c46eb00a3f517f8a1bddda0d44ef6f1

    SHA1

    716a518ec7c084161bfc2d7f212c1196e9a3159f

    SHA256

    ba3402759b71df5f82271b3311fb3229a9ef08298178dd63edd8dea842b42798

    SHA512

    8fb50b833a3ce919bc4fcbc06214adf68dc8e7a0c967b729958ac002973159078507b03defc2055522aaa38e46cbf953a75dc669c463b33f54a8feb802b7364e

  • memory/1552-42-0x0000000000BC0000-0x0000000000CE6000-memory.dmp

    Filesize

    1.1MB

  • memory/2404-0-0x000007FEF5F13000-0x000007FEF5F14000-memory.dmp

    Filesize

    4KB

  • memory/2404-1-0x0000000000E70000-0x0000000000F96000-memory.dmp

    Filesize

    1.1MB

  • memory/2404-2-0x000007FEF5F10000-0x000007FEF68FC000-memory.dmp

    Filesize

    9.9MB

  • memory/2404-3-0x0000000000350000-0x000000000036C000-memory.dmp

    Filesize

    112KB

  • memory/2404-4-0x00000000004F0000-0x0000000000506000-memory.dmp

    Filesize

    88KB

  • memory/2404-41-0x000007FEF5F10000-0x000007FEF68FC000-memory.dmp

    Filesize

    9.9MB