dcrat | dfe9f39426e9f5c49dfd52ec6dcf91a679af24d2e5a6119a139b9bdf1525655d

Resubmissions

23-01-2025 15:47

250123-s8nvfavjhw 10

23-01-2025 15:44

250123-s6ya4awkgr 10

23-01-2025 15:43

250123-s6b3vswkfl 10

Analysis

max time kernel
42s
max time network
38s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
23-01-2025 15:47

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General

Target

taskhostw.exe
Size

1.2MB
MD5

ac904ffc13b5f221270f475065687b59
SHA1

ed6b4383582eae7b72064a10e33cebc6fd3690e5
SHA256

963a316c03e4f88df946a43d537f6ed2d2001eaafcde40bdb52cd15104112606
SHA512

9626483209d8546c835c94cfffd89e1cf6ae813730d04dfdb9b4b4019e12ee0c9166fa76fb47426251f6e669d6c63037718ffb8c8366766cadca1a9f78c91559
SSDEEP

12288:URZ+IoG/n9IQxW3OBseUUT+tcYbqTHSOOJVu1SNEC8m+P1BAyrQ/ta3iruJtDwbD:u2G/nvxW3WieC2nOJVrj8m+aSDwbA9Nq

Score

10^/10

dcrat defense_evasion discovery infostealer rat trojan

Malware Config

Signatures

DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
rat infostealer dcrat
Dcrat family
dcrat

Process spawned unexpected child process 39 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2608	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2328	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4304	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	920	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	808	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4764	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4624	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4308	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4688	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3052	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4976	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3396	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3180	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1916	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1728	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	444	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4940	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4416	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2516	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2576	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4492	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4200	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2356	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3840	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3096	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2596	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2876	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	988	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2264	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2148	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1200	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	780	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	848	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4516	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1040	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4960	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4068	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3756	1160	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5000	1160	schtasks.exe	82

UAC bypass 3 TTPs 6 IoCs

defense_evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	OfficeClickToRun.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ComfontHost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	ComfontHost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	ComfontHost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	OfficeClickToRun.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	OfficeClickToRun.exe

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral1/files/0x001900000002ab82-9.dat	dcrat
behavioral1/memory/1284-13-0x0000000000A10000-0x0000000000AFC000-memory.dmp	dcrat

Executes dropped EXE 2 IoCs

pid	Process
1284	ComfontHost.exe
2420	OfficeClickToRun.exe

Checks whether UAC is enabled 1 TTPs 4 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	ComfontHost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ComfontHost.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	OfficeClickToRun.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	OfficeClickToRun.exe

Drops file in Program Files directory 11 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\RuntimeBroker.exe	ComfontHost.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\9e8d7a4ca61bd9	ComfontHost.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\conhost.exe	ComfontHost.exe
File created	C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\lsass.exe	ComfontHost.exe
File created	C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\6203df4a6bafc7	ComfontHost.exe
File created	C:\Program Files\Windows Defender\csrss.exe	ComfontHost.exe
File opened for modification	C:\Program Files\Windows Defender\csrss.exe	ComfontHost.exe
File created	C:\Program Files\Windows Defender\886983d96e3d3e	ComfontHost.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\088424020bedd6	ComfontHost.exe
File created	C:\Program Files (x86)\Windows Mail\winlogon.exe	ComfontHost.exe
File created	C:\Program Files (x86)\Windows Mail\cc11b995f2a76d	ComfontHost.exe

Drops file in Windows directory 7 IoCs

description	ioc	Process
File created	C:\Windows\DiagTrack\Settings\lsass.exe	ComfontHost.exe
File created	C:\Windows\DiagTrack\Settings\6203df4a6bafc7	ComfontHost.exe
File created	C:\Windows\WaaS\dllhost.exe	ComfontHost.exe
File created	C:\Windows\addins\fontdrvhost.exe	ComfontHost.exe
File created	C:\Windows\addins\5b884080fd4f94	ComfontHost.exe
File created	C:\Windows\InputMethod\smss.exe	ComfontHost.exe
File created	C:\Windows\InputMethod\69ddcba757bf72	ComfontHost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskhostw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000_Classes\Local Settings	taskhostw.exe
Key created	\REGISTRY\USER\S-1-5-21-3870231897-2573482396-1083937135-1000_Classes\Local Settings	ComfontHost.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 39 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
4200	schtasks.exe
1200	schtasks.exe
780	schtasks.exe
4960	schtasks.exe
2608	schtasks.exe
4764	schtasks.exe
3396	schtasks.exe
4688	schtasks.exe
2596	schtasks.exe
848	schtasks.exe
3052	schtasks.exe
2356	schtasks.exe
4516	schtasks.exe
2576	schtasks.exe
2876	schtasks.exe
988	schtasks.exe
1916	schtasks.exe
4492	schtasks.exe
1040	schtasks.exe
5000	schtasks.exe
4308	schtasks.exe
4976	schtasks.exe
3180	schtasks.exe
2264	schtasks.exe
2148	schtasks.exe
4068	schtasks.exe
4624	schtasks.exe
4940	schtasks.exe
2516	schtasks.exe
2328	schtasks.exe
444	schtasks.exe
3096	schtasks.exe
1728	schtasks.exe
4416	schtasks.exe
3840	schtasks.exe
3756	schtasks.exe
4304	schtasks.exe
920	schtasks.exe
808	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1284	ComfontHost.exe
1284	ComfontHost.exe
1284	ComfontHost.exe
1284	ComfontHost.exe
1284	ComfontHost.exe
1284	ComfontHost.exe
1284	ComfontHost.exe
1284	ComfontHost.exe
1284	ComfontHost.exe
2420	OfficeClickToRun.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1284	ComfontHost.exe
Token: SeDebugPrivilege	2420	OfficeClickToRun.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 4024	2480	taskhostw.exe	78
PID 2480 wrote to memory of 4024	2480	taskhostw.exe	78
PID 2480 wrote to memory of 4024	2480	taskhostw.exe	78
PID 4024 wrote to memory of 4908	4024	WScript.exe	79
PID 4024 wrote to memory of 4908	4024	WScript.exe	79
PID 4024 wrote to memory of 4908	4024	WScript.exe	79
PID 4908 wrote to memory of 1284	4908	cmd.exe	81
PID 4908 wrote to memory of 1284	4908	cmd.exe	81
PID 1284 wrote to memory of 5028	1284	ComfontHost.exe	122
PID 1284 wrote to memory of 5028	1284	ComfontHost.exe	122
PID 5028 wrote to memory of 2168	5028	cmd.exe	124
PID 5028 wrote to memory of 2168	5028	cmd.exe	124
PID 5028 wrote to memory of 2420	5028	cmd.exe	125
PID 5028 wrote to memory of 2420	5028	cmd.exe	125

System policy modification 1 TTPs 6 IoCs

defense_evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	OfficeClickToRun.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	OfficeClickToRun.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ComfontHost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	ComfontHost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	ComfontHost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	OfficeClickToRun.exe

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.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\taskhostw.exe
"C:\Users\Admin\AppData\Local\Temp\taskhostw.exe"
1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\BlockBrowserWeb\73WPTP5CgKBkfusL13FoS1EalfC.vbe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4024
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\BlockBrowserWeb\JLBdH8Facv2OZKr8pY7k2gD8clI.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4908
  - - C:\BlockBrowserWeb\ComfontHost.exe
      "C:\BlockBrowserWeb\ComfontHost.exe"
      4⤵
      UAC bypass
      Executes dropped EXE
      Checks whether UAC is enabled
      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
      System policy modification
      PID:1284
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\TwYbIxzDdZ.bat"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:5028
      - C:\Windows\system32\w32tm.exe
        
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        6⤵
        
        PID:2168
      - C:\BlockBrowserWeb\OfficeClickToRun.exe
        
        "C:\BlockBrowserWeb\OfficeClickToRun.exe"
        6⤵
        UAC bypass
        Executes dropped EXE
        Checks whether UAC is enabled
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        System policy modification
        
        PID:2420

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Defender\csrss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2608

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\Windows Defender\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2328

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Program Files\Windows Defender\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4304

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 11 /tr "'C:\BlockBrowserWeb\OfficeClickToRun.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:920

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\BlockBrowserWeb\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:808

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 6 /tr "'C:\BlockBrowserWeb\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4764

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4624

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4308

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4688

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 8 /tr "'C:\BlockBrowserWeb\winlogon.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3052

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\BlockBrowserWeb\winlogon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4976

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 10 /tr "'C:\BlockBrowserWeb\winlogon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3396

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Windows\addins\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3180

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Windows\addins\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1916

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 6 /tr "'C:\Windows\addins\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1728

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 11 /tr "'C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:444

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4940

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 7 /tr "'C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4416

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 14 /tr "'C:\Program Files\Common Files\microsoft shared\ink\conhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2516

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Program Files\Common Files\microsoft shared\ink\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2576

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 14 /tr "'C:\Program Files\Common Files\microsoft shared\ink\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4492

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Mail\winlogon.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4200

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\winlogon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2356

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Mail\winlogon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3840

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 7 /tr "'C:\Users\Default User\smss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3096

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Users\Default User\smss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2596

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 13 /tr "'C:\Users\Default User\smss.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 "cmdc" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\cmd.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:988

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\cmd.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2264

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\cmd.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2148

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\lsass.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1200

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:780

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\WindowsPowerShell\Modules\PackageManagement\1.0.0.1\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:848

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 9 /tr "'C:\Windows\InputMethod\smss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4516

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Windows\InputMethod\smss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1040

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 11 /tr "'C:\Windows\InputMethod\smss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4960

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 13 /tr "'C:\Windows\DiagTrack\Settings\lsass.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4068

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Windows\DiagTrack\Settings\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3756

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 8 /tr "'C:\Windows\DiagTrack\Settings\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\BlockBrowserWeb\73WPTP5CgKBkfusL13FoS1EalfC.vbe

Filesize
230B

MD5
fdf72c94be3290267c930fab28fbd800

SHA1
a0e186ec44952baf296acd483f25327b0c6f33dd

SHA256
4eead935013d583296ca49f8fc8b70d38b7c32e1189204629f33cead574e2dd1

SHA512
a59b3fe649739e5d61d116149011f8d0f19ed8b217134aabb3f2c698dd52a5ccc4b67414209772be48fe4477158ffa7ebb2097280dccf1607955f1a95d264634

Download Submit
C:\BlockBrowserWeb\ComfontHost.exe

Filesize
911KB

MD5
082141e65f26ececc48552790d6c6da4

SHA1
fba9667158632e2dbfa128d1fa1bd4be282e773a

SHA256
b49adf276a5e055ef1a3685f032701b41be76177f7f9eb85dfac2d33b5fa7c9f

SHA512
cbe0fef685801d436b5637a0e08df052af119284491a382d689686735ee8352d3edaa6857754f16f022a0bb43f95039bc841e4ed1e20614ea0a9976258947946

Download Submit
C:\BlockBrowserWeb\JLBdH8Facv2OZKr8pY7k2gD8clI.bat

Filesize
47B

MD5
68411cfd82c251c57e0fd3e2b6e7af03

SHA1
26b09d13a90b0e662d57c59dc903db51dd11a177

SHA256
0f31379f24cbc2ab580f9b2f77e4fa36123a732377be53d88c28546228e106d7

SHA512
78ba2559d614ed0dbcc2e32a5f6b9ef3d3585df4cc515728ff4cccdefbd00b50f3e34774af016a5fc9f8320ff48e963bc76f9c7b04e80ad69a43eef9c18f2f2a

Download Submit
C:\Users\Admin\AppData\Local\Temp\TwYbIxzDdZ.bat

Filesize
204B

MD5
98fb17faac1fd1b3c3aae7e3b950c447

SHA1
1a54d4f38030505e555f54edd175515d3194f172

SHA256
6d22e65e5a9e3158b875d6e5926c382e57bb8f5a4cfc44ca78cc608ec9ecc51e

SHA512
575acb4b3fa4fb0bcce946a4b55288ca919f0905eac1afa3da51886dd6721226bb2f87d6abb1dd8c524241d075495e001eeb25b9d85a96c336ac082f4559a3a4

Download Submit
memory/1284-12-0x00007FFF84F13000-0x00007FFF84F15000-memory.dmp

Filesize
8KB

Download
memory/1284-13-0x0000000000A10000-0x0000000000AFC000-memory.dmp

Filesize
944KB

Download
memory/1284-14-0x0000000001230000-0x000000000123A000-memory.dmp

Filesize
40KB

Download
memory/1284-15-0x0000000002C80000-0x0000000002C8C000-memory.dmp

Filesize
48KB

Download