dcrat | e2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367

Analysis

max time kernel
147s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
03/06/2026, 02:09

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General

Target
xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
Size 1.7MB
Sample260603-ck4b8aas3n
SHA256 e2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367
MD5 a95103f124e6164adc18e951854b62f5
SHA1 eed375f3284f9b8fd39d6c93904c7caddebe41ff
SHA512 26756a7bdee8ddb138eac61674e0899f60b15568898e9ed94e2312aa0ac613fb4041f524bc54c68cd6612a8b60e25270d702f26e05d2220ebc25b7a289e4ba4f
SSDEEP 49152:okQzAnIwMtuvMDVPG4JdXeR4aT6LQ+d3mY/4qxTsx3sca:o69uRD9JdOR4m+lmY/4rx8ca
TLSH
T1228523097181D333C2FB003085C58FB55A2566224F7566EFFBE89B662F202F4BB661C9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution dcrat infostealer persistence rat trojan

Malware Config

Signatures

Family: DcRat 44 IoCs

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

rat infostealer dcrat

description	ioc	pid	Process
		3056	schtasks.exe
		6164	schtasks.exe
		6528	schtasks.exe
		3252	schtasks.exe
		6048	schtasks.exe
		10308	schtasks.exe
		2220	schtasks.exe
		1196	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language		xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
		1800	schtasks.exe
		4800	schtasks.exe
		3504	schtasks.exe
		3184	schtasks.exe
		5076	schtasks.exe
		5208	schtasks.exe
		4452	schtasks.exe
		1612	schtasks.exe
		4032	schtasks.exe
		6464	schtasks.exe
		10892	schtasks.exe
		7932	schtasks.exe
		1656	schtasks.exe
		5916	schtasks.exe
		3452	schtasks.exe
		4472	schtasks.exe
		1340	schtasks.exe
		11732	schtasks.exe
File created	C:\Windows\L2Schemas\f3b6ecef712a24		xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
		5760	schtasks.exe
		4728	schtasks.exe
		2808	schtasks.exe
		1616	schtasks.exe
		5952	schtasks.exe
		8376	schtasks.exe
		2220	schtasks.exe
		6976	schtasks.exe
		10260	schtasks.exe
		5180	schtasks.exe
		3700	schtasks.exe
		1724	schtasks.exe
		4612	schtasks.exe
		5544	schtasks.exe
		764	schtasks.exe
		1232	schtasks.exe

Modifies WinLogon for persistence 2 TTPs 3 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\L2Schemas\\spoolsv.exe\""	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\L2Schemas\\spoolsv.exe\", \"C:\\Recovery\\WindowsRE\\services.exe\""	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\L2Schemas\\spoolsv.exe\", \"C:\\Recovery\\WindowsRE\\services.exe\", \"C:\\Recovery\\WindowsRE\\SearchHost.exe\""	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe

Process spawned unexpected child process 42 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	4800	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4728	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1800	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1656	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3700	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4032	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4472	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2808	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3504	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5076	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	764	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3252	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3184	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1232	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2220	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4612	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1612	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3452	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3056	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5760	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5180	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1616	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	6048	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5916	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1724	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5544	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5208	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4452	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	6164	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5952	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1340	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	6528	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	8376	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	6464	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	6976	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	10308	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2220	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	10892	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1196	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	10260	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	7932	3660	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	11732	3660	schtasks.exe	80

UAC bypass 3 TTPs 3 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\EnableLUA = "0"	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe

Executes dropped EXE 1 IoCs

pid	Process
3788	spoolsv.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000\Software\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Windows\\L2Schemas\\spoolsv.exe\""	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Windows\\L2Schemas\\spoolsv.exe\""	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000\Software\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Recovery\\WindowsRE\\services.exe\""	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Recovery\\WindowsRE\\services.exe\""	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2409539145-3342400454-2096821238-1000\Software\Microsoft\Windows\CurrentVersion\Run\SearchHost = "\"C:\\Recovery\\WindowsRE\\SearchHost.exe\""	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SearchHost = "\"C:\\Recovery\\WindowsRE\\SearchHost.exe\""	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe

SmartAssembly .NET packer 5 IoCs

Detects SmartAssembly .NET packer.

resource	yara_rule
behavioral2/memory/3760-5232-0x0000000006280000-0x0000000006290000-memory.dmp	SmartAssembly
behavioral2/memory/3760-5236-0x00000000067D0000-0x00000000067DA000-memory.dmp	SmartAssembly
behavioral2/memory/3760-5241-0x00000000068B0000-0x00000000068BC000-memory.dmp	SmartAssembly
behavioral2/memory/3760-5244-0x00000000071E0000-0x00000000071EC000-memory.dmp	SmartAssembly
behavioral2/memory/3760-5242-0x00000000068E0000-0x00000000068EA000-memory.dmp	SmartAssembly

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\L2Schemas\spoolsv.exe	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
File opened for modification	C:\Windows\L2Schemas\spoolsv.exe	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
File created	C:\Windows\L2Schemas\f3b6ecef712a24	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 42 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3252	schtasks.exe
4612	schtasks.exe
5180	schtasks.exe
5952	schtasks.exe
1340	schtasks.exe
4800	schtasks.exe
1800	schtasks.exe
3700	schtasks.exe
5208	schtasks.exe
6528	schtasks.exe
1656	schtasks.exe
2220	schtasks.exe
1724	schtasks.exe
6464	schtasks.exe
5544	schtasks.exe
4452	schtasks.exe
10260	schtasks.exe
4472	schtasks.exe
764	schtasks.exe
1612	schtasks.exe
5916	schtasks.exe
10308	schtasks.exe
2808	schtasks.exe
3504	schtasks.exe
5076	schtasks.exe
3184	schtasks.exe
1616	schtasks.exe
6164	schtasks.exe
2220	schtasks.exe
10892	schtasks.exe
4728	schtasks.exe
5760	schtasks.exe
6048	schtasks.exe
6976	schtasks.exe
1196	schtasks.exe
7932	schtasks.exe
11732	schtasks.exe
4032	schtasks.exe
1232	schtasks.exe
3452	schtasks.exe
3056	schtasks.exe
8376	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
3760	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
3760	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
3760	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
3760	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
3760	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
3760	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
3760	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
3760	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
3760	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
3760	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
3760	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
3760	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
3760	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3760	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe

System policy modification 1 TTPs 3 IoCs

defense_evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.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\xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe
"C:\Users\Admin\AppData\Local\Temp\xe2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367.exe"
1⤵
- Family: DcRat
- Modifies WinLogon for persistence
- UAC bypass
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:3760

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\Windows\L2Schemas\spoolsv.exe'" /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4800

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Windows\L2Schemas\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4728

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 8 /tr "'C:\Windows\L2Schemas\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1800

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\services.exe'" /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1656

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\services.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3700

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\services.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4032

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\SearchHost.exe'" /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4472

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\SearchHost.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2808

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\SearchHost.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3504

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\Users\Public\Desktop\csrss.exe'" /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5076

C:\Recovery\WindowsRE\services.exe
"C:\Recovery\WindowsRE\services.exe"
1⤵
PID:4872

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\Public\Desktop\csrss.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:764

C:\Windows\L2Schemas\spoolsv.exe
"C:\Windows\L2Schemas\spoolsv.exe"
1⤵
- Executes dropped EXE
PID:3788

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 13 /tr "'C:\Users\Public\Desktop\csrss.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2220

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 5 /tr "'C:\Windows\Migration\WTR\wininit.exe'" /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3252

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Windows\Migration\WTR\wininit.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3184

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'C:\Windows\Migration\WTR\wininit.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1232

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\WUDFHost.exe'" /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4612

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WUDFHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\WUDFHost.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1612

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\WUDFHost.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3452

C:\Windows\Migration\WTR\wininit.exe
"C:\Windows\Migration\WTR\wininit.exe"
1⤵
PID:2844

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 8 /tr "'C:\Users\Default\Pictures\RuntimeBroker.exe'" /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1616

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Default\Pictures\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3056

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Users\Default\Pictures\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5180

C:\Recovery\WindowsRE\WUDFHost.exe
"C:\Recovery\WindowsRE\WUDFHost.exe"
1⤵
PID:5748

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 9 /tr "'C:\Windows\addins\SearchHost.exe'" /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5760

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchHost" /sc ONLOGON /tr "'C:\Windows\addins\SearchHost.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:6048

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 10 /tr "'C:\Windows\addins\SearchHost.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5916

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 10 /tr "'C:\Windows\BrowserCore\SearchHost.exe'" /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1724

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchHost" /sc ONLOGON /tr "'C:\Windows\BrowserCore\SearchHost.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5544

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchHostS" /sc MINUTE /mo 12 /tr "'C:\Windows\BrowserCore\SearchHost.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5208

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4452

C:\Windows\BrowserCore\SearchHost.exe
"C:\Windows\BrowserCore\SearchHost.exe"
1⤵
PID:5468

C:\Users\Public\Desktop\csrss.exe
"C:\Users\Public\Desktop\csrss.exe"
1⤵
PID:1964

C:\Recovery\WindowsRE\SearchHost.exe
"C:\Recovery\WindowsRE\SearchHost.exe"
1⤵
PID:7080

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:6164

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5952

C:\Users\Default\Pictures\RuntimeBroker.exe
"C:\Users\Default\Pictures\RuntimeBroker.exe"
1⤵
PID:6428

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 12 /tr "'C:\Users\Default User\sihost.exe'" /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1340

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Users\Default User\sihost.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:6528

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 10 /tr "'C:\Users\Default User\sihost.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:8376

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 10 /tr "'C:\Windows\Downloaded Program Files\sihost.exe'" /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:6464

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Windows\Downloaded Program Files\sihost.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:6976

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 9 /tr "'C:\Windows\Downloaded Program Files\sihost.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:10308

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Photo Viewer\RuntimeBroker.exe'" /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2220

C:\Users\Default User\sihost.exe
"C:\Users\Default User\sihost.exe"
1⤵
PID:9344

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:10892

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Photo Viewer\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1196

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 13 /tr "'C:\Users\Default User\services.exe'" /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:10260

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Users\Default User\services.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:7932

C:\Program Files (x86)\Windows Photo Viewer\RuntimeBroker.exe
"C:\Program Files (x86)\Windows Photo Viewer\RuntimeBroker.exe"
1⤵
PID:11948

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 14 /tr "'C:\Users\Default User\services.exe'" /rl HIGHEST /f
1⤵
- Family: DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:11732

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

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

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

RuntimeBroker.exe

Path C:\Program Files (x86)\Windows Photo Viewer\RuntimeBroker.exe
Size 1.1MB
SHA256 f9f6ea5003c3edb9cf813570f9e3b5898cc0a18d585af948a78598490857a1be
MD5 878b85a31f5da66f8acc83c41bf1e318
SHA1 c3e576ecb6472c8084eb66dbde9cf28aa3a41f88
SHA512 5026a259437878168cdf9353b67ca0b08598db8cb6024f94a309b726b42b222292010729bd689a362e563ad60043b39ddfbb93c45ff5a7e36047f22d3181e0d2
SSDEEP 24576:ok70zrcegBukmO0ZthkvMjHVOKG4s0T+gLaEXeR4aiO/64RpuZ:okQzAnIwMtuvMDVPG4JdXeR4aT6LZ
TLSH
T1213522157180C373C5F7103189D5CA745A2671B10B7AA5EFBBE8ABB22F202E5B7261CD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

RuntimeBroker.exe

Path C:\Program Files (x86)\Windows Photo Viewer\RuntimeBroker.exe
Size 192KB
SHA256 a481f00fb4060c26deb098c218356dd68d074d80d1be57e912951a62b36af5c2
MD5 f9910ed3a55c31dcda506b2e3cc3cd90
SHA1 79fa6bdb57e17a89891c803a09d12625d2ae3d28
SHA512 6ec15c693dc92ec359a2e744c2212c06d473bd4803206cf2da26dfec6895aea2a738afe5b872519beeaa525ba1503dab026be05ef16b1df87bc7649871c4224e
SSDEEP 3072:aDKW1LgppLRHMY0zBfJvjcTp5X9UlcRYVcSSaHuYmBu8avhD:aDKW1Lgbdl0zBBvjc/9USsSAgutvhD
TLSH
T18814BE217581C2B3C4B7113144E6CB759A3A7071077A96D7BBDD2BBA6E203E1A3362CD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

spoolsv.exe

Path C:\Windows\L2Schemas\spoolsv.exe
Size 1.7MB
SHA256 e2091f50941080f6cbcd7116ab134af058c336f726c53251a43116e269fb9367
MD5 a95103f124e6164adc18e951854b62f5
SHA1 eed375f3284f9b8fd39d6c93904c7caddebe41ff
SHA512 26756a7bdee8ddb138eac61674e0899f60b15568898e9ed94e2312aa0ac613fb4041f524bc54c68cd6612a8b60e25270d702f26e05d2220ebc25b7a289e4ba4f
SSDEEP 49152:okQzAnIwMtuvMDVPG4JdXeR4aT6LQ+d3mY/4qxTsx3sca:o69uRD9JdOR4m+lmY/4rx8ca
TLSH
T1228523097181D333C2FB003085C58FB55A2566224F7566EFFBE89B662F202F4BB661C9
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3760-0-0x00000000050B0000-0x00000000050C0000-memory.dmp

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memory/3760-1-0x0000000005340000-0x00000000055BC000-memory.dmp

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memory/3760-2-0x00000000050B0000-0x00000000050C0000-memory.dmp

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memory/3760-3-0x00000000055C0000-0x0000000005B66000-memory.dmp

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memory/3760-4-0x0000000005B70000-0x0000000005DEA000-memory.dmp

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memory/3760-5-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-10-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-36-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-38-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-34-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-32-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-30-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-28-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-24-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-26-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-22-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-18-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-16-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-14-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-8-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-6-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-20-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-12-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-76-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-74-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-62-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-56-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-54-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-52-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-50-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-48-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-46-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-44-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-42-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-40-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-58-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-78-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-72-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-70-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-68-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-66-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-64-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-60-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-101-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-80-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-102-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-98-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-96-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-94-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-92-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-90-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-89-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-86-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-120-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-84-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-82-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-104-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-122-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-118-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-116-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-114-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-112-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-110-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-108-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-106-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-125-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-130-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-128-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-126-0x0000000005B70000-0x0000000005DE4000-memory.dmp

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memory/3760-2101-0x00000000050B0000-0x00000000050C0000-memory.dmp

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memory/3760-2350-0x00000000050B0000-0x00000000050C0000-memory.dmp

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memory/3760-2723-0x00000000050B0000-0x00000000050C0000-memory.dmp

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memory/3760-5228-0x00000000050B0000-0x00000000050C0000-memory.dmp

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memory/3760-5229-0x0000000004B60000-0x0000000004B7C000-memory.dmp

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memory/3760-5230-0x0000000004B90000-0x0000000004BE0000-memory.dmp

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memory/3760-5231-0x0000000004BF0000-0x0000000004BF8000-memory.dmp

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memory/3760-5232-0x0000000006280000-0x0000000006290000-memory.dmp

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memory/3760-5233-0x00000000067B0000-0x00000000067C6000-memory.dmp

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memory/3760-5234-0x0000000006590000-0x0000000006598000-memory.dmp

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memory/3760-5235-0x0000000006910000-0x0000000006920000-memory.dmp

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memory/3760-5236-0x00000000067D0000-0x00000000067DA000-memory.dmp

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memory/3760-5237-0x0000000006800000-0x000000000680C000-memory.dmp

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memory/3760-5238-0x0000000006810000-0x0000000006822000-memory.dmp

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memory/3760-5239-0x0000000006930000-0x0000000006E5C000-memory.dmp

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memory/3760-5240-0x00000000068A0000-0x00000000068AC000-memory.dmp

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memory/3760-5241-0x00000000068B0000-0x00000000068BC000-memory.dmp

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memory/3760-5244-0x00000000071E0000-0x00000000071EC000-memory.dmp

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memory/3760-5243-0x0000000006900000-0x0000000006908000-memory.dmp

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memory/3760-5245-0x00000000071F0000-0x0000000007282000-memory.dmp

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memory/3760-5246-0x00000000072B0000-0x00000000072BC000-memory.dmp

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memory/3760-5247-0x00000000050B0000-0x00000000050C0000-memory.dmp

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memory/3760-5242-0x00000000068E0000-0x00000000068EA000-memory.dmp

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memory/3760-5250-0x0000000007440000-0x00000000074A6000-memory.dmp

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memory/3760-8425-0x00000000050B0000-0x00000000050C0000-memory.dmp

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memory/3760-8919-0x00000000050B0000-0x00000000050C0000-memory.dmp

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