dcrat | d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3

Analysis

max time kernel
135s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
19/05/2024, 02:10

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General

Target
d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Size 1.7MB
Sample240519-clrd2sdc57
SHA256 d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3
MD5 01dcc414c0b18498fe889d91520d9e41
SHA1 3ac9353071e4efde49edb37725e0180c96762eba
SHA512 61cf73ffc5776426ba1da4b524dec887a8e336cf1e22b8ec3e71831689de42a189ece22b17c633eda18990852c9e5ce56b312b64c918c1f1163e23126acdaa09
SSDEEP 24576:pwupw3qeYEcFYAW2FmWog/rxijfYcVA16/nzBYn5vhNzyuUAgdEbsv:pbOYE52FEgUfZVAwPzKau
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dcrat evasion infostealer persistence 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

Modifies WinLogon for persistence 2 TTPs 6 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:\\Users\\All Users\\Desktop\\dllhost.exe\""	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Desktop\\dllhost.exe\", \"C:\\Program Files\\Java\\jdk-1.8\\include\\win32\\csrss.exe\""	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Desktop\\dllhost.exe\", \"C:\\Program Files\\Java\\jdk-1.8\\include\\win32\\csrss.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\""	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Desktop\\dllhost.exe\", \"C:\\Program Files\\Java\\jdk-1.8\\include\\win32\\csrss.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Program Files (x86)\\Google\\CrashReports\\Idle.exe\""	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Desktop\\dllhost.exe\", \"C:\\Program Files\\Java\\jdk-1.8\\include\\win32\\csrss.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Program Files (x86)\\Google\\CrashReports\\Idle.exe\", \"C:\\Recovery\\WindowsRE\\backgroundTaskHost.exe\""	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Desktop\\dllhost.exe\", \"C:\\Program Files\\Java\\jdk-1.8\\include\\win32\\csrss.exe\", \"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\", \"C:\\Program Files (x86)\\Google\\CrashReports\\Idle.exe\", \"C:\\Recovery\\WindowsRE\\backgroundTaskHost.exe\", \"C:\\Windows\\Globalization\\Time Zone\\fontdrvhost.exe\""	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe

Process spawned unexpected child process 18 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	1304	5912	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5860	5912	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5856	5912	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5452	5912	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4668	5912	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5196	5912	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5364	5912	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4592	5912	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4688	5912	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1932	5912	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1168	5912	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1996	5912	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3444	5912	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3612	5912	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4300	5912	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1360	5912	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3760	5912	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3592	5912	schtasks.exe	83

UAC bypass 3 TTPs 6 IoCs

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"	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	StartMenuExperienceHost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	StartMenuExperienceHost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	StartMenuExperienceHost.exe

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral2/memory/4804-1-0x00000000007C0000-0x0000000000976000-memory.dmp	dcrat
behavioral2/files/0x0007000000023430-32.dat	dcrat

Detects executables packed with SmartAssembly 3 IoCs

resource	yara_rule
behavioral2/memory/4804-11-0x000000001B600000-0x000000001B60A000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly
behavioral2/memory/4804-21-0x000000001BE80000-0x000000001BE8C000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly
behavioral2/memory/4804-23-0x000000001BEA0000-0x000000001BEAA000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

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-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe

Executes dropped EXE 1 IoCs

pid	Process
5012	StartMenuExperienceHost.exe

Adds Run key to start application 2 TTPs 12 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Program Files\\Java\\jdk-1.8\\include\\win32\\csrss.exe\""	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StartMenuExperienceHost = "\"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\""	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StartMenuExperienceHost = "\"C:\\Recovery\\WindowsRE\\StartMenuExperienceHost.exe\""	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Windows\\Globalization\\Time Zone\\fontdrvhost.exe\""	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Windows\\Globalization\\Time Zone\\fontdrvhost.exe\""	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Users\\All Users\\Desktop\\dllhost.exe\""	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Users\\All Users\\Desktop\\dllhost.exe\""	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Idle = "\"C:\\Program Files (x86)\\Google\\CrashReports\\Idle.exe\""	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Recovery\\WindowsRE\\backgroundTaskHost.exe\""	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Recovery\\WindowsRE\\backgroundTaskHost.exe\""	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Program Files\\Java\\jdk-1.8\\include\\win32\\csrss.exe\""	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Idle = "\"C:\\Program Files (x86)\\Google\\CrashReports\\Idle.exe\""	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	StartMenuExperienceHost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	StartMenuExperienceHost.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\include\win32\csrss.exe	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\886983d96e3d3e	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
File created	C:\Program Files (x86)\Google\CrashReports\Idle.exe	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
File created	C:\Program Files (x86)\Google\CrashReports\6ccacd8608530f	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\OCR\en-us\backgroundTaskHost.exe	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
File created	C:\Windows\Globalization\Time Zone\fontdrvhost.exe	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
File created	C:\Windows\Globalization\Time Zone\5b884080fd4f94	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 18 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
3444	schtasks.exe
1996	schtasks.exe
3612	schtasks.exe
1360	schtasks.exe
5860	schtasks.exe
5196	schtasks.exe
4688	schtasks.exe
1932	schtasks.exe
4300	schtasks.exe
3592	schtasks.exe
5856	schtasks.exe
4668	schtasks.exe
5364	schtasks.exe
1168	schtasks.exe
1304	schtasks.exe
5452	schtasks.exe
4592	schtasks.exe
3760	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4804	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
4804	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
4804	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
5012	StartMenuExperienceHost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4804	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Token: SeDebugPrivilege	5012	StartMenuExperienceHost.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 5012	4804	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe	103
PID 4804 wrote to memory of 5012	4804	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe	103

System policy modification 1 TTPs 6 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	StartMenuExperienceHost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	StartMenuExperienceHost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	StartMenuExperienceHost.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\d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe
"C:\Users\Admin\AppData\Local\Temp\d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3.exe"
1⤵
- Modifies WinLogon for persistence
- UAC bypass
- Checks computer location settings
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4804
- C:\Recovery\WindowsRE\StartMenuExperienceHost.exe
  "C:\Recovery\WindowsRE\StartMenuExperienceHost.exe"
  2⤵
  - UAC bypass
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - System policy modification
  PID:5012

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 14 /tr "'C:\Users\All Users\Desktop\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1304

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Users\All Users\Desktop\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:5860

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Users\All Users\Desktop\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:5856

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\Program Files\Java\jdk-1.8\include\win32\csrss.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:5452

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\Java\jdk-1.8\include\win32\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4668

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\Program Files\Java\jdk-1.8\include\win32\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:5196

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:5364

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4592

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\StartMenuExperienceHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4688

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Google\CrashReports\Idle.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1168

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files (x86)\Google\CrashReports\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1932

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Google\CrashReports\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1996

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3444

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1360

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3612

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Windows\Globalization\Time Zone\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4300

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Windows\Globalization\Time Zone\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3760

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 12 /tr "'C:\Windows\Globalization\Time Zone\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

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

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

backgroundTaskHost.exe

Path C:\Recovery\WindowsRE\backgroundTaskHost.exe
Size 1.7MB
SHA256 d979fd8848a2fe7df6ea8cb353086d8a28d7c2523b5e10222c19285ab40fa5f3
MD5 01dcc414c0b18498fe889d91520d9e41
SHA1 3ac9353071e4efde49edb37725e0180c96762eba
SHA512 61cf73ffc5776426ba1da4b524dec887a8e336cf1e22b8ec3e71831689de42a189ece22b17c633eda18990852c9e5ce56b312b64c918c1f1163e23126acdaa09
SSDEEP 24576:pwupw3qeYEcFYAW2FmWog/rxijfYcVA16/nzBYn5vhNzyuUAgdEbsv:pbOYE52FEgUfZVAwPzKau
MD5 SHA1 SHA512 SSDEEP

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memory/4804-12-0x000000001BDE0000-0x000000001BDEC000-memory.dmp

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memory/4804-22-0x000000001BE90000-0x000000001BE98000-memory.dmp

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memory/4804-3-0x000000001B580000-0x000000001B58E000-memory.dmp

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memory/4804-5-0x000000001B5A0000-0x000000001B5BC000-memory.dmp

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memory/4804-4-0x000000001B590000-0x000000001B598000-memory.dmp

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memory/4804-11-0x000000001B600000-0x000000001B60A000-memory.dmp

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memory/4804-10-0x000000001BEF0000-0x000000001BEF8000-memory.dmp

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memory/4804-9-0x000000001B5F0000-0x000000001B5F8000-memory.dmp

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memory/4804-8-0x000000001B5D0000-0x000000001B5E6000-memory.dmp

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memory/4804-7-0x000000001B5C0000-0x000000001B5C8000-memory.dmp

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memory/4804-6-0x000000001BD90000-0x000000001BDE0000-memory.dmp

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memory/4804-0-0x00007FFA58B13000-0x00007FFA58B15000-memory.dmp

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memory/4804-2-0x00007FFA58B10000-0x00007FFA595D1000-memory.dmp

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memory/4804-13-0x000000001BDF0000-0x000000001BDF8000-memory.dmp

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memory/4804-15-0x000000001BE10000-0x000000001BE22000-memory.dmp

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memory/4804-16-0x000000001C430000-0x000000001C958000-memory.dmp

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memory/4804-21-0x000000001BE80000-0x000000001BE8C000-memory.dmp

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memory/4804-20-0x000000001BE70000-0x000000001BE7E000-memory.dmp

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memory/4804-19-0x000000001BE60000-0x000000001BE68000-memory.dmp

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memory/4804-18-0x000000001BE50000-0x000000001BE5C000-memory.dmp

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memory/4804-23-0x000000001BEA0000-0x000000001BEAA000-memory.dmp

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memory/4804-14-0x000000001BE00000-0x000000001BE0C000-memory.dmp

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memory/4804-17-0x000000001BE40000-0x000000001BE48000-memory.dmp

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memory/4804-1-0x00000000007C0000-0x0000000000976000-memory.dmp

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memory/4804-47-0x00007FFA58B10000-0x00007FFA595D1000-memory.dmp

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