dcrat | 69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
01/07/2024, 22:46

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General

Target
69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
Size 1.7MB
Sample240701-2qbltsybpm
SHA256 69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3
MD5 e29dc833fa815462cb69f728352b1dc3
SHA1 94026debb12a7d8748993b2c572d9fc42fa85971
SHA512 41936c9cdf38b677b175178e7a52e98db5424fa860592dd43c788d095c7040d9f2f819e314085d8c6acd3ecabc82bae684f72141c059d266fb4d418a9d3175e1
SSDEEP 24576:WwtlgjpoyMl1W9Rl/3XF9R95g9f53Lv+6gJUHGHhuf9QkGuW+4HcWb1JB4nS:xtyotW9RN+f53i1JUHG4xGuDkcY1JB
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dcrat execution infostealer persistence rat

Malware Config

Signatures

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

Modifies WinLogon for persistence 2 TTPs 4 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Windows Portable Devices\\csrss.exe\""	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Windows Portable Devices\\csrss.exe\", \"C:\\Program Files (x86)\\Microsoft.NET\\TextInputHost.exe\""	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Windows Portable Devices\\csrss.exe\", \"C:\\Program Files (x86)\\Microsoft.NET\\TextInputHost.exe\", \"C:\\Users\\Default User\\taskhostw.exe\""	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Windows Portable Devices\\csrss.exe\", \"C:\\Program Files (x86)\\Microsoft.NET\\TextInputHost.exe\", \"C:\\Users\\Default User\\taskhostw.exe\", \"C:\\Program Files\\Windows Sidebar\\Shared Gadgets\\RuntimeBroker.exe\""	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe

Process spawned unexpected child process 12 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	1704	1452	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3652	1452	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2564	1452	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	932	1452	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1784	1452	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3832	1452	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1172	1452	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4164	1452	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	868	1452	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5048	1452	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2844	1452	schtasks.exe	81
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5056	1452	schtasks.exe	81

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral2/memory/4756-1-0x00000000008C0000-0x0000000000A72000-memory.dmp	dcrat
behavioral2/files/0x000700000002328e-32.dat	dcrat

Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2704	powershell.exe
2116	powershell.exe
2512	powershell.exe
4952	powershell.exe
3708	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe

Executes dropped EXE 1 IoCs

pid	Process
3600	csrss.exe

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Program Files\\Windows Sidebar\\Shared Gadgets\\RuntimeBroker.exe\""	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Program Files\\Windows Sidebar\\Shared Gadgets\\RuntimeBroker.exe\""	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Program Files (x86)\\Windows Portable Devices\\csrss.exe\""	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Program Files (x86)\\Windows Portable Devices\\csrss.exe\""	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TextInputHost = "\"C:\\Program Files (x86)\\Microsoft.NET\\TextInputHost.exe\""	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TextInputHost = "\"C:\\Program Files (x86)\\Microsoft.NET\\TextInputHost.exe\""	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskhostw = "\"C:\\Users\\Default User\\taskhostw.exe\""	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskhostw = "\"C:\\Users\\Default User\\taskhostw.exe\""	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe

Drops file in Program Files directory 12 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Windows Portable Devices\csrss.exe	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
File created	C:\Program Files (x86)\Windows Portable Devices\886983d96e3d3e	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
File created	C:\Program Files\Windows Sidebar\Shared Gadgets\RuntimeBroker.exe	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
File opened for modification	C:\Program Files\Windows Sidebar\Shared Gadgets\RCX99B4.tmp	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
File opened for modification	C:\Program Files\Windows Sidebar\Shared Gadgets\RuntimeBroker.exe	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
File opened for modification	C:\Program Files (x86)\Windows Portable Devices\csrss.exe	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
File created	C:\Program Files (x86)\Microsoft.NET\TextInputHost.exe	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
File created	C:\Program Files (x86)\Microsoft.NET\22eafd247d37c3	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
File created	C:\Program Files\Windows Sidebar\Shared Gadgets\9e8d7a4ca61bd9	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
File opened for modification	C:\Program Files (x86)\Windows Portable Devices\RCX92FA.tmp	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
File opened for modification	C:\Program Files (x86)\Microsoft.NET\RCX94FE.tmp	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
File opened for modification	C:\Program Files (x86)\Microsoft.NET\TextInputHost.exe	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 12 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
932	schtasks.exe
3832	schtasks.exe
5048	schtasks.exe
2844	schtasks.exe
5056	schtasks.exe
3652	schtasks.exe
2564	schtasks.exe
1784	schtasks.exe
1172	schtasks.exe
4164	schtasks.exe
868	schtasks.exe
1704	schtasks.exe

Suspicious behavior: EnumeratesProcesses 55 IoCs

pid	Process
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
2512	powershell.exe
2704	powershell.exe
4952	powershell.exe
3708	powershell.exe
2116	powershell.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
4952	powershell.exe
2704	powershell.exe
3708	powershell.exe
4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
2512	powershell.exe
2116	powershell.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe
3600	csrss.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
Token: SeDebugPrivilege	2512	powershell.exe
Token: SeDebugPrivilege	2704	powershell.exe
Token: SeDebugPrivilege	4952	powershell.exe
Token: SeDebugPrivilege	3708	powershell.exe
Token: SeDebugPrivilege	2116	powershell.exe
Token: SeDebugPrivilege	3600	csrss.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 2116	4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe	94
PID 4756 wrote to memory of 2116	4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe	94
PID 4756 wrote to memory of 2512	4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe	95
PID 4756 wrote to memory of 2512	4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe	95
PID 4756 wrote to memory of 4952	4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe	96
PID 4756 wrote to memory of 4952	4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe	96
PID 4756 wrote to memory of 3708	4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe	97
PID 4756 wrote to memory of 3708	4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe	97
PID 4756 wrote to memory of 2704	4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe	98
PID 4756 wrote to memory of 2704	4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe	98
PID 4756 wrote to memory of 3600	4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe	104
PID 4756 wrote to memory of 3600	4756	69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe	104

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\69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe
"C:\Users\Admin\AppData\Local\Temp\69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4756
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2116
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\Windows Portable Devices\csrss.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2512
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\Microsoft.NET\TextInputHost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4952
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Default User\taskhostw.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3708
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\Windows Sidebar\Shared Gadgets\RuntimeBroker.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2704
- C:\Program Files (x86)\Windows Portable Devices\csrss.exe
  "C:\Program Files (x86)\Windows Portable Devices\csrss.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3600

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Portable Devices\csrss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1704

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Portable Devices\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2564

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Portable Devices\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3652

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Microsoft.NET\TextInputHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1784

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHost" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft.NET\TextInputHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:932

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Microsoft.NET\TextInputHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3832

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 6 /tr "'C:\Users\Default User\taskhostw.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1172

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Users\Default User\taskhostw.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4164

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 12 /tr "'C:\Users\Default User\taskhostw.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:868

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 11 /tr "'C:\Program Files\Windows Sidebar\Shared Gadgets\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5048

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files\Windows Sidebar\Shared Gadgets\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2844

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 7 /tr "'C:\Program Files\Windows Sidebar\Shared Gadgets\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

csrss.exe

Path C:\Program Files (x86)\Windows Portable Devices\csrss.exe
Size 1.7MB
SHA256 69b3e48720cfad7aa56dad615ef3d131f0f17db50c57352ee258619ff659ecc3
MD5 e29dc833fa815462cb69f728352b1dc3
SHA1 94026debb12a7d8748993b2c572d9fc42fa85971
SHA512 41936c9cdf38b677b175178e7a52e98db5424fa860592dd43c788d095c7040d9f2f819e314085d8c6acd3ecabc82bae684f72141c059d266fb4d418a9d3175e1
SSDEEP 24576:WwtlgjpoyMl1W9Rl/3XF9R95g9f53Lv+6gJUHGHhuf9QkGuW+4HcWb1JB4nS:xtyotW9RN+f53i1JUHG4xGuDkcY1JB
MD5 SHA1 SHA512 SSDEEP

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powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
MD5 77d622bb1a5b250869a3238b9bc1402b
SHA1 d47f4003c2554b9dfc4c16f22460b331886b191b
SHA512 d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438
MD5 cadef9abd087803c630df65264a6c81c
SHA1 babbf3636c347c8727c35f3eef2ee643dbcc4bd2
SHA512 7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085
MD5 SHA1 SHA512

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__PSScriptPolicyTest_15rkfq0r.5ox.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_15rkfq0r.5ox.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/2704-111-0x00000247A5C30000-0x00000247A5C52000-memory.dmp

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memory/3600-176-0x000000001D050000-0x000000001D152000-memory.dmp

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memory/4756-6-0x00000000012A0000-0x00000000012A8000-memory.dmp

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memory/4756-19-0x00007FFB52010000-0x00007FFB52AD1000-memory.dmp

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memory/4756-12-0x000000001B710000-0x000000001B71C000-memory.dmp

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memory/4756-13-0x000000001B720000-0x000000001B72C000-memory.dmp

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memory/4756-10-0x0000000002D20000-0x0000000002D28000-memory.dmp

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memory/4756-8-0x0000000002CF0000-0x0000000002D06000-memory.dmp

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memory/4756-14-0x000000001B730000-0x000000001B73C000-memory.dmp

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memory/4756-15-0x000000001BFA0000-0x000000001BFAE000-memory.dmp

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memory/4756-17-0x000000001BFC0000-0x000000001BFCE000-memory.dmp

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memory/4756-16-0x000000001BFB0000-0x000000001BFB8000-memory.dmp

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memory/4756-18-0x000000001C010000-0x000000001C01C000-memory.dmp

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memory/4756-9-0x0000000002D10000-0x0000000002D1C000-memory.dmp

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memory/4756-22-0x00007FFB52010000-0x00007FFB52AD1000-memory.dmp

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memory/4756-0-0x00007FFB52013000-0x00007FFB52015000-memory.dmp

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memory/4756-7-0x0000000002CE0000-0x0000000002CF0000-memory.dmp

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memory/4756-5-0x000000001BD50000-0x000000001BDA0000-memory.dmp

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memory/4756-163-0x00007FFB52010000-0x00007FFB52AD1000-memory.dmp

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memory/4756-4-0x0000000002CB0000-0x0000000002CCC000-memory.dmp

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memory/4756-3-0x0000000001290000-0x000000000129E000-memory.dmp

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memory/4756-2-0x00007FFB52010000-0x00007FFB52AD1000-memory.dmp

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memory/4756-1-0x00000000008C0000-0x0000000000A72000-memory.dmp

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