dcrat | d5e776aa38d141a5621e492af32685568f2c527864caa72dad17ec08172bd223

Analysis

max time kernel
39s
max time network
49s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
29/06/2024, 22:51

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General

Target

2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Size

1.2MB
MD5

2f77b6ba0d6b4cf6cb232c0e5aa2f999
SHA1

4bb0d8a5c6e42374d1a58b8b025bbf99cda42b77
SHA256

d5e776aa38d141a5621e492af32685568f2c527864caa72dad17ec08172bd223
SHA512

d434e987bcd3f8ee09501e2c4b600b7781d228bc465e54d0d016ae086d2eef18500832ebd78e1b7d75956ffb3ad621c77bb3cca45ca0dc57b00826aa2f2e8e8a
SSDEEP

24576:GiRX4ONyMaJtHAWwIh1zunez5ma3Z1tzVSzWdPnG:GiRX4jMD7R/a3Z1hf

Score

10^/10

dcrat 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 18 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\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\fontdrvhost.exe\", \"C:\\Users\\Public\\Pictures\\taskhostw.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\fontdrvhost.exe\", \"C:\\Users\\Public\\Pictures\\taskhostw.exe\", \"C:\\Windows\\tracing\\SearchApp.exe\", \"C:\\Program Files\\Microsoft Office\\OfficeClickToRun.exe\", \"C:\\Program Files (x86)\\Microsoft\\Edge\\fontdrvhost.exe\", \"C:\\Windows\\addins\\spoolsv.exe\", \"C:\\Program Files\\Windows Defender\\de-DE\\csrss.exe\", \"C:\\Users\\Default User\\RuntimeBroker.exe\", \"C:\\Program Files (x86)\\Google\\Temp\\dllhost.exe\", \"C:\\Recovery\\WindowsRE\\Registry.exe\", \"C:\\Program Files\\Windows Mail\\dllhost.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\SearchApp.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\fontdrvhost.exe\", \"C:\\Users\\Public\\Pictures\\taskhostw.exe\", \"C:\\Windows\\tracing\\SearchApp.exe\", \"C:\\Program Files\\Microsoft Office\\OfficeClickToRun.exe\", \"C:\\Program Files (x86)\\Microsoft\\Edge\\fontdrvhost.exe\", \"C:\\Windows\\addins\\spoolsv.exe\", \"C:\\Program Files\\Windows Defender\\de-DE\\csrss.exe\", \"C:\\Users\\Default User\\RuntimeBroker.exe\", \"C:\\Program Files (x86)\\Google\\Temp\\dllhost.exe\", \"C:\\Recovery\\WindowsRE\\Registry.exe\", \"C:\\Program Files\\Windows Mail\\dllhost.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\SearchApp.exe\", \"C:\\Windows\\fr-FR\\SppExtComObj.exe\", \"C:\\Users\\Default\\unsecapp.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\fontdrvhost.exe\", \"C:\\Users\\Public\\Pictures\\taskhostw.exe\", \"C:\\Windows\\tracing\\SearchApp.exe\", \"C:\\Program Files\\Microsoft Office\\OfficeClickToRun.exe\", \"C:\\Program Files (x86)\\Microsoft\\Edge\\fontdrvhost.exe\", \"C:\\Windows\\addins\\spoolsv.exe\", \"C:\\Program Files\\Windows Defender\\de-DE\\csrss.exe\", \"C:\\Users\\Default User\\RuntimeBroker.exe\", \"C:\\Program Files (x86)\\Google\\Temp\\dllhost.exe\", \"C:\\Recovery\\WindowsRE\\Registry.exe\", \"C:\\Program Files\\Windows Mail\\dllhost.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\SearchApp.exe\", \"C:\\Windows\\fr-FR\\SppExtComObj.exe\", \"C:\\Users\\Default\\unsecapp.exe\", \"C:\\Program Files (x86)\\Internet Explorer\\services.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\fontdrvhost.exe\", \"C:\\Users\\Public\\Pictures\\taskhostw.exe\", \"C:\\Windows\\tracing\\SearchApp.exe\", \"C:\\Program Files\\Microsoft Office\\OfficeClickToRun.exe\", \"C:\\Program Files (x86)\\Microsoft\\Edge\\fontdrvhost.exe\", \"C:\\Windows\\addins\\spoolsv.exe\", \"C:\\Program Files\\Windows Defender\\de-DE\\csrss.exe\", \"C:\\Users\\Default User\\RuntimeBroker.exe\", \"C:\\Program Files (x86)\\Google\\Temp\\dllhost.exe\", \"C:\\Recovery\\WindowsRE\\Registry.exe\", \"C:\\Program Files\\Windows Mail\\dllhost.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\SearchApp.exe\", \"C:\\Windows\\fr-FR\\SppExtComObj.exe\", \"C:\\Users\\Default\\unsecapp.exe\", \"C:\\Program Files (x86)\\Internet Explorer\\services.exe\", \"C:\\Program Files (x86)\\Windows Portable Devices\\MusNotification.exe\", \"C:\\Recovery\\WindowsRE\\sppsvc.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\fontdrvhost.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\fontdrvhost.exe\", \"C:\\Users\\Public\\Pictures\\taskhostw.exe\", \"C:\\Windows\\tracing\\SearchApp.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\fontdrvhost.exe\", \"C:\\Users\\Public\\Pictures\\taskhostw.exe\", \"C:\\Windows\\tracing\\SearchApp.exe\", \"C:\\Program Files\\Microsoft Office\\OfficeClickToRun.exe\", \"C:\\Program Files (x86)\\Microsoft\\Edge\\fontdrvhost.exe\", \"C:\\Windows\\addins\\spoolsv.exe\", \"C:\\Program Files\\Windows Defender\\de-DE\\csrss.exe\", \"C:\\Users\\Default User\\RuntimeBroker.exe\", \"C:\\Program Files (x86)\\Google\\Temp\\dllhost.exe\", \"C:\\Recovery\\WindowsRE\\Registry.exe\", \"C:\\Program Files\\Windows Mail\\dllhost.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\fontdrvhost.exe\", \"C:\\Users\\Public\\Pictures\\taskhostw.exe\", \"C:\\Windows\\tracing\\SearchApp.exe\", \"C:\\Program Files\\Microsoft Office\\OfficeClickToRun.exe\", \"C:\\Program Files (x86)\\Microsoft\\Edge\\fontdrvhost.exe\", \"C:\\Windows\\addins\\spoolsv.exe\", \"C:\\Program Files\\Windows Defender\\de-DE\\csrss.exe\", \"C:\\Users\\Default User\\RuntimeBroker.exe\", \"C:\\Program Files (x86)\\Google\\Temp\\dllhost.exe\", \"C:\\Recovery\\WindowsRE\\Registry.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\fontdrvhost.exe\", \"C:\\Users\\Public\\Pictures\\taskhostw.exe\", \"C:\\Windows\\tracing\\SearchApp.exe\", \"C:\\Program Files\\Microsoft Office\\OfficeClickToRun.exe\", \"C:\\Program Files (x86)\\Microsoft\\Edge\\fontdrvhost.exe\", \"C:\\Windows\\addins\\spoolsv.exe\", \"C:\\Program Files\\Windows Defender\\de-DE\\csrss.exe\", \"C:\\Users\\Default User\\RuntimeBroker.exe\", \"C:\\Program Files (x86)\\Google\\Temp\\dllhost.exe\", \"C:\\Recovery\\WindowsRE\\Registry.exe\", \"C:\\Program Files\\Windows Mail\\dllhost.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\SearchApp.exe\", \"C:\\Windows\\fr-FR\\SppExtComObj.exe\", \"C:\\Users\\Default\\unsecapp.exe\", \"C:\\Program Files (x86)\\Internet Explorer\\services.exe\", \"C:\\Program Files (x86)\\Windows Portable Devices\\MusNotification.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\fontdrvhost.exe\", \"C:\\Users\\Public\\Pictures\\taskhostw.exe\", \"C:\\Windows\\tracing\\SearchApp.exe\", \"C:\\Program Files\\Microsoft Office\\OfficeClickToRun.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\fontdrvhost.exe\", \"C:\\Users\\Public\\Pictures\\taskhostw.exe\", \"C:\\Windows\\tracing\\SearchApp.exe\", \"C:\\Program Files\\Microsoft Office\\OfficeClickToRun.exe\", \"C:\\Program Files (x86)\\Microsoft\\Edge\\fontdrvhost.exe\", \"C:\\Windows\\addins\\spoolsv.exe\", \"C:\\Program Files\\Windows Defender\\de-DE\\csrss.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\fontdrvhost.exe\", \"C:\\Users\\Public\\Pictures\\taskhostw.exe\", \"C:\\Windows\\tracing\\SearchApp.exe\", \"C:\\Program Files\\Microsoft Office\\OfficeClickToRun.exe\", \"C:\\Program Files (x86)\\Microsoft\\Edge\\fontdrvhost.exe\", \"C:\\Windows\\addins\\spoolsv.exe\", \"C:\\Program Files\\Windows Defender\\de-DE\\csrss.exe\", \"C:\\Users\\Default User\\RuntimeBroker.exe\", \"C:\\Program Files (x86)\\Google\\Temp\\dllhost.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\fontdrvhost.exe\", \"C:\\Users\\Public\\Pictures\\taskhostw.exe\", \"C:\\Windows\\tracing\\SearchApp.exe\", \"C:\\Program Files\\Microsoft Office\\OfficeClickToRun.exe\", \"C:\\Program Files (x86)\\Microsoft\\Edge\\fontdrvhost.exe\", \"C:\\Windows\\addins\\spoolsv.exe\", \"C:\\Program Files\\Windows Defender\\de-DE\\csrss.exe\", \"C:\\Users\\Default User\\RuntimeBroker.exe\", \"C:\\Program Files (x86)\\Google\\Temp\\dllhost.exe\", \"C:\\Recovery\\WindowsRE\\Registry.exe\", \"C:\\Program Files\\Windows Mail\\dllhost.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\SearchApp.exe\", \"C:\\Windows\\fr-FR\\SppExtComObj.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\fontdrvhost.exe\", \"C:\\Users\\Public\\Pictures\\taskhostw.exe\", \"C:\\Windows\\tracing\\SearchApp.exe\", \"C:\\Program Files\\Microsoft Office\\OfficeClickToRun.exe\", \"C:\\Program Files (x86)\\Microsoft\\Edge\\fontdrvhost.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\fontdrvhost.exe\", \"C:\\Users\\Public\\Pictures\\taskhostw.exe\", \"C:\\Windows\\tracing\\SearchApp.exe\", \"C:\\Program Files\\Microsoft Office\\OfficeClickToRun.exe\", \"C:\\Program Files (x86)\\Microsoft\\Edge\\fontdrvhost.exe\", \"C:\\Windows\\addins\\spoolsv.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\fontdrvhost.exe\", \"C:\\Users\\Public\\Pictures\\taskhostw.exe\", \"C:\\Windows\\tracing\\SearchApp.exe\", \"C:\\Program Files\\Microsoft Office\\OfficeClickToRun.exe\", \"C:\\Program Files (x86)\\Microsoft\\Edge\\fontdrvhost.exe\", \"C:\\Windows\\addins\\spoolsv.exe\", \"C:\\Program Files\\Windows Defender\\de-DE\\csrss.exe\", \"C:\\Users\\Default User\\RuntimeBroker.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe

Process spawned unexpected child process 54 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	2820	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2832	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1304	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4272	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1556	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3396	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1140	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2480	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3316	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1056	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3044	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2004	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1732	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2216	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1436	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1816	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4276	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2152	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2744	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2248	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2212	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	816	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1872	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4404	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	980	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4188	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4344	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	756	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1996	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3692	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4976	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2068	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2400	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4792	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1196	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2932	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4356	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4928	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2328	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4080	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2816	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1512	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	624	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3764	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4692	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4516	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4776	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3204	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1716	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4108	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3352	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3312	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4416	3876	schtasks.exe	80
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4904	3876	schtasks.exe	80

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral2/memory/4628-1-0x0000000000740000-0x0000000000874000-memory.dmp	dcrat
behavioral2/files/0x000700000002343d-17.dat	dcrat

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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe

Executes dropped EXE 1 IoCs

pid	Process
4056	SppExtComObj.exe

Adds Run key to start application 2 TTPs 36 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\dllhost = "\"C:\\Program Files (x86)\\Google\\Temp\\dllhost.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SearchApp = "\"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\SearchApp.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SppExtComObj = "\"C:\\Windows\\fr-FR\\SppExtComObj.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OfficeClickToRun = "\"C:\\Program Files\\Microsoft Office\\OfficeClickToRun.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Program Files\\Windows Defender\\de-DE\\csrss.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SppExtComObj = "\"C:\\Windows\\fr-FR\\SppExtComObj.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Registry = "\"C:\\Recovery\\WindowsRE\\Registry.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\unsecapp = "\"C:\\Users\\Default\\unsecapp.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Windows\\addins\\spoolsv.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files\\Windows Mail\\dllhost.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files (x86)\\Google\\Temp\\dllhost.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MusNotification = "\"C:\\Program Files (x86)\\Windows Portable Devices\\MusNotification.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskhostw = "\"C:\\Users\\Public\\Pictures\\taskhostw.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Windows\\addins\\spoolsv.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Users\\Default User\\RuntimeBroker.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\unsecapp = "\"C:\\Users\\Default\\unsecapp.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sppsvc = "\"C:\\Recovery\\WindowsRE\\sppsvc.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\fontdrvhost.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SearchApp = "\"C:\\Windows\\tracing\\SearchApp.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Program Files\\Windows Defender\\de-DE\\csrss.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files\\Windows Mail\\dllhost.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SearchApp = "\"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\SearchApp.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Program Files (x86)\\Internet Explorer\\services.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MusNotification = "\"C:\\Program Files (x86)\\Windows Portable Devices\\MusNotification.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sppsvc = "\"C:\\Recovery\\WindowsRE\\sppsvc.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SearchApp = "\"C:\\Windows\\tracing\\SearchApp.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Program Files (x86)\\Microsoft\\Edge\\fontdrvhost.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Program Files (x86)\\Microsoft\\Edge\\fontdrvhost.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Program Files\\MSBuild\\Microsoft\\Windows Workflow Foundation\\fontdrvhost.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OfficeClickToRun = "\"C:\\Program Files\\Microsoft Office\\OfficeClickToRun.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Users\\Default User\\RuntimeBroker.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Registry = "\"C:\\Recovery\\WindowsRE\\Registry.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Program Files (x86)\\Internet Explorer\\services.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\fontdrvhost.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskhostw = "\"C:\\Users\\Public\\Pictures\\taskhostw.exe\""	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe

Drops file in Program Files directory 21 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Mozilla Maintenance Service\logs\5b884080fd4f94	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Program Files\Microsoft Office\e6c9b481da804f	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Program Files (x86)\Microsoft\Edge\5b884080fd4f94	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\5b884080fd4f94	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Program Files (x86)\Mozilla Maintenance Service\logs\fontdrvhost.exe	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Program Files\Microsoft Office\OfficeClickToRun.exe	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Program Files\Windows Defender\de-DE\886983d96e3d3e	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\38384e6a620884	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Program Files (x86)\Internet Explorer\c5b4cb5e9653cc	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Program Files (x86)\Windows Portable Devices\MusNotification.exe	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File opened for modification	C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\fontdrvhost.exe	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Program Files (x86)\Microsoft\Edge\fontdrvhost.exe	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Program Files (x86)\Google\Temp\dllhost.exe	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Program Files (x86)\Google\Temp\5940a34987c991	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Program Files\Windows Mail\5940a34987c991	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\SearchApp.exe	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Program Files (x86)\Internet Explorer\services.exe	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Program Files (x86)\Windows Portable Devices\aa97147c4c782d	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\fontdrvhost.exe	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Program Files\Windows Defender\de-DE\csrss.exe	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Program Files\Windows Mail\dllhost.exe	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe

Drops file in Windows directory 7 IoCs

description	ioc	Process
File created	C:\Windows\fr-FR\SppExtComObj.exe	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Windows\fr-FR\e1ef82546f0b02	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Windows\tracing\SearchApp.exe	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Windows\tracing\38384e6a620884	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Windows\Boot\EFI\qps-ploc\SearchApp.exe	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Windows\addins\spoolsv.exe	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
File created	C:\Windows\addins\f3b6ecef712a24	2f77b6ba0d6b4cf6cb232c0e5aa2f999.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\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 54 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2212	schtasks.exe
816	schtasks.exe
4188	schtasks.exe
4976	schtasks.exe
2328	schtasks.exe
4776	schtasks.exe
4416	schtasks.exe
1556	schtasks.exe
624	schtasks.exe
4904	schtasks.exe
756	schtasks.exe
2248	schtasks.exe
1872	schtasks.exe
4404	schtasks.exe
980	schtasks.exe
4516	schtasks.exe
3204	schtasks.exe
4108	schtasks.exe
3396	schtasks.exe
1732	schtasks.exe
1996	schtasks.exe
1716	schtasks.exe
3312	schtasks.exe
3316	schtasks.exe
4276	schtasks.exe
2152	schtasks.exe
4356	schtasks.exe
1816	schtasks.exe
2932	schtasks.exe
2480	schtasks.exe
2744	schtasks.exe
4080	schtasks.exe
4272	schtasks.exe
4792	schtasks.exe
2832	schtasks.exe
1436	schtasks.exe
2820	schtasks.exe
2816	schtasks.exe
2068	schtasks.exe
2004	schtasks.exe
2400	schtasks.exe
1196	schtasks.exe
4692	schtasks.exe
3044	schtasks.exe
2216	schtasks.exe
1512	schtasks.exe
3352	schtasks.exe
3692	schtasks.exe
3764	schtasks.exe
4928	schtasks.exe
1140	schtasks.exe
1056	schtasks.exe
4344	schtasks.exe
1304	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe
4056	SppExtComObj.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
Token: SeDebugPrivilege	4056	SppExtComObj.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4628 wrote to memory of 2784	4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe	135
PID 4628 wrote to memory of 2784	4628	2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe	135
PID 2784 wrote to memory of 4688	2784	cmd.exe	137
PID 2784 wrote to memory of 4688	2784	cmd.exe	137
PID 2784 wrote to memory of 4056	2784	cmd.exe	138
PID 2784 wrote to memory of 4056	2784	cmd.exe	138

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\2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe
"C:\Users\Admin\AppData\Local\Temp\2f77b6ba0d6b4cf6cb232c0e5aa2f999.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4628
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\CFAg7uBRVH.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\system32\w32tm.exe
    w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
    3⤵
    PID:4688
- - C:\Windows\fr-FR\SppExtComObj.exe
    "C:\Windows\fr-FR\SppExtComObj.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4056

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 5 /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2820

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1304

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 11 /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2832

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4272

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3316

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2480

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 12 /tr "'C:\Users\Public\Pictures\taskhostw.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1556

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Users\Public\Pictures\taskhostw.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3396

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 5 /tr "'C:\Users\Public\Pictures\taskhostw.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1140

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 10 /tr "'C:\Windows\tracing\SearchApp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3044

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Windows\tracing\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1056

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 6 /tr "'C:\Windows\tracing\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2004

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 5 /tr "'C:\Program Files\Microsoft Office\OfficeClickToRun.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2216

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1732

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 6 /tr "'C:\Program Files\Microsoft Office\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1436

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Microsoft\Edge\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1816

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft\Edge\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4276

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Microsoft\Edge\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2152

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 14 /tr "'C:\Windows\addins\spoolsv.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2744

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Windows\addins\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2212

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\Windows\addins\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2248

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Defender\de-DE\csrss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:816

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\Windows Defender\de-DE\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1872

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Defender\de-DE\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4404

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 14 /tr "'C:\Users\Default User\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:980

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Default User\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4188

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Users\Default User\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4344

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Google\Temp\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:756

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Google\Temp\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1996

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Google\Temp\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3692

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\Registry.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4976

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\Registry.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2068

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\Registry.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2400

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Mail\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4792

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files\Windows Mail\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1196

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Mail\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2932

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\SearchApp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4356

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4928

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2328

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 11 /tr "'C:\Windows\fr-FR\SppExtComObj.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4080

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Windows\fr-FR\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2816

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 9 /tr "'C:\Windows\fr-FR\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1512

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 6 /tr "'C:\Users\Default\unsecapp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:624

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Users\Default\unsecapp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3764

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 7 /tr "'C:\Users\Default\unsecapp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4692

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Internet Explorer\services.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4516

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Program Files (x86)\Internet Explorer\services.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4776

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Internet Explorer\services.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3204

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "MusNotificationM" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Portable Devices\MusNotification.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1716

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "MusNotification" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Portable Devices\MusNotification.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4108

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "MusNotificationM" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Portable Devices\MusNotification.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3352

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3312

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4416

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4904

Network

MITRE ATT&CK Enterprise v15

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

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

Replay Monitor

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Downloads

C:\Program Files\Microsoft Office\OfficeClickToRun.exe

Filesize
1.2MB

MD5
2f77b6ba0d6b4cf6cb232c0e5aa2f999

SHA1
4bb0d8a5c6e42374d1a58b8b025bbf99cda42b77

SHA256
d5e776aa38d141a5621e492af32685568f2c527864caa72dad17ec08172bd223

SHA512
d434e987bcd3f8ee09501e2c4b600b7781d228bc465e54d0d016ae086d2eef18500832ebd78e1b7d75956ffb3ad621c77bb3cca45ca0dc57b00826aa2f2e8e8a

Download Submit
C:\Users\Admin\AppData\Local\Temp\CFAg7uBRVH.bat

Filesize
198B

MD5
5a7469dd4ee6c9f46fa0b73d10487285

SHA1
780c3993fce08d8a3055b581df0a32b98a87680d

SHA256
89045a207b4c5313639a82be2abf920a8ffd137f30b0ed59090dc3dc548be16f

SHA512
347e88ec18d1c3435f8670507dcb73e82da08943fe4d4e38d47f5aec4cbc076fa12c65a25616c178fd7e8ff2964f1528b89b78c54360d1c3db9c3aff6f6585a8

Download Submit
memory/4628-0-0x00007FFCCB8F3000-0x00007FFCCB8F5000-memory.dmp

Filesize
8KB

Download
memory/4628-1-0x0000000000740000-0x0000000000874000-memory.dmp

Filesize
1.2MB

Download
memory/4628-2-0x00007FFCCB8F0000-0x00007FFCCC3B1000-memory.dmp

Filesize
10.8MB

Download
memory/4628-6-0x000000001B3C0000-0x000000001B3CC000-memory.dmp

Filesize
48KB

Download
memory/4628-5-0x000000001B3A0000-0x000000001B3B6000-memory.dmp

Filesize
88KB

Download
memory/4628-4-0x000000001B3F0000-0x000000001B440000-memory.dmp

Filesize
320KB

Download
memory/4628-3-0x0000000001200000-0x000000000121C000-memory.dmp

Filesize
112KB

Download
memory/4628-9-0x00007FFCCB8F0000-0x00007FFCCC3B1000-memory.dmp

Filesize
10.8MB

Download
memory/4628-10-0x00007FFCCB8F0000-0x00007FFCCC3B1000-memory.dmp

Filesize
10.8MB

Download
memory/4628-51-0x00007FFCCB8F0000-0x00007FFCCC3B1000-memory.dmp

Filesize
10.8MB

Download