Analysis

  • max time kernel
    94s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2024 18:41

General

  • Target

    0b59760b00daf4fc87ef9e87ba43682d.exe

  • Size

    828KB

  • MD5

    0b59760b00daf4fc87ef9e87ba43682d

  • SHA1

    8f441c65cc64c45792568d32042d5c3481821147

  • SHA256

    1d807f0c23384297333d3765556e891a0c25416ecb0eded242582896fa99290e

  • SHA512

    0b8f3a8ab1c7407455d9633f1bcac6174e4e31904ab8e41b204b0048c7bd28eb6abcc1cde5ddd785307081e45564d342d522a31f3a16cf798645129793145bbe

  • SSDEEP

    12288:gR7Dy9/6x+hRJu+hxVv+0+QuP8AAKvELL/1SmIfR9YNpNHHQf2:wyt6x+BdG0+QsvELxSHzYlnJ

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 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
  • Drops file in Program Files directory 15 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 45 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 2 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\0b59760b00daf4fc87ef9e87ba43682d.exe
    "C:\Users\Admin\AppData\Local\Temp\0b59760b00daf4fc87ef9e87ba43682d.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3128
    • C:\Program Files\Java\jre-1.8\legal\javafx\SppExtComObj.exe
      "C:\Program Files\Java\jre-1.8\legal\javafx\SppExtComObj.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4536
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 10 /tr "'C:\Program Files\Common Files\Services\System.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4544
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files\Common Files\Services\System.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4576
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 12 /tr "'C:\Program Files\Common Files\Services\System.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3120
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 5 /tr "'C:\Program Files\Crashpad\reports\wininit.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1352
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files\Crashpad\reports\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4680
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 8 /tr "'C:\Program Files\Crashpad\reports\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4616
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 14 /tr "'C:\Program Files\Uninstall Information\wininit.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1416
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files\Uninstall Information\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1620
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'C:\Program Files\Uninstall Information\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1100
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 9 /tr "'C:\Windows\apppatch\ja-JP\smss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:5100
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Windows\apppatch\ja-JP\smss.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 "smsss" /sc MINUTE /mo 9 /tr "'C:\Windows\apppatch\ja-JP\smss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3908
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'C:\Program Files\Uninstall Information\wininit.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4112
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files\Uninstall Information\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4500
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 14 /tr "'C:\Program Files\Uninstall Information\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4432
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 5 /tr "'C:\Users\Default\Local Settings\OfficeClickToRun.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1088
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Users\Default\Local Settings\OfficeClickToRun.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 "OfficeClickToRunO" /sc MINUTE /mo 6 /tr "'C:\Users\Default\Local Settings\OfficeClickToRun.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2168
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 6 /tr "'C:\Users\All Users\Oracle\Java\.oracle_jre_usage\smss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1488
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Users\All Users\Oracle\Java\.oracle_jre_usage\smss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4268
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "smsss" /sc MINUTE /mo 11 /tr "'C:\Users\All Users\Oracle\Java\.oracle_jre_usage\smss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3960
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 11 /tr "'C:\Program Files\Java\jre-1.8\legal\javafx\SppExtComObj.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:944
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Program Files\Java\jre-1.8\legal\javafx\SppExtComObj.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 "SppExtComObjS" /sc MINUTE /mo 14 /tr "'C:\Program Files\Java\jre-1.8\legal\javafx\SppExtComObj.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4848
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Program Files\Internet Explorer\ja-JP\csrss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3184
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\ja-JP\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2552
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Program Files\Internet Explorer\ja-JP\csrss.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 "RuntimeBrokerR" /sc MINUTE /mo 14 /tr "'C:\Windows\en-US\RuntimeBroker.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:448
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Windows\en-US\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4272
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Windows\en-US\RuntimeBroker.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3232
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 12 /tr "'C:\Windows\AppReadiness\unsecapp.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1756
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Windows\AppReadiness\unsecapp.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2580
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 13 /tr "'C:\Windows\AppReadiness\unsecapp.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2044
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 7 /tr "'C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\dllhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2844
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\dllhost.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 "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3076
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "0b59760b00daf4fc87ef9e87ba43682d0" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\0b59760b00daf4fc87ef9e87ba43682d.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4592
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "0b59760b00daf4fc87ef9e87ba43682d" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\0b59760b00daf4fc87ef9e87ba43682d.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1632
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "0b59760b00daf4fc87ef9e87ba43682d0" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\0b59760b00daf4fc87ef9e87ba43682d.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:4516
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 6 /tr "'C:\Users\Default User\dllhost.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3868
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Users\Default User\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2912
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 9 /tr "'C:\Users\Default User\dllhost.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3164
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 5 /tr "'C:\Users\All Users\Idle.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3248
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Users\All Users\Idle.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 "IdleI" /sc MINUTE /mo 14 /tr "'C:\Users\All Users\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\Uninstall Information\wininit.exe

    Filesize

    828KB

    MD5

    0b59760b00daf4fc87ef9e87ba43682d

    SHA1

    8f441c65cc64c45792568d32042d5c3481821147

    SHA256

    1d807f0c23384297333d3765556e891a0c25416ecb0eded242582896fa99290e

    SHA512

    0b8f3a8ab1c7407455d9633f1bcac6174e4e31904ab8e41b204b0048c7bd28eb6abcc1cde5ddd785307081e45564d342d522a31f3a16cf798645129793145bbe

  • memory/3128-0-0x00007FFB99D13000-0x00007FFB99D15000-memory.dmp

    Filesize

    8KB

  • memory/3128-1-0x00000000005F0000-0x00000000006C6000-memory.dmp

    Filesize

    856KB

  • memory/3128-4-0x00007FFB99D10000-0x00007FFB9A7D1000-memory.dmp

    Filesize

    10.8MB

  • memory/3128-44-0x00007FFB99D10000-0x00007FFB9A7D1000-memory.dmp

    Filesize

    10.8MB