gh0strat | c17c018f5df7a413dc053a325b6c291c9cd84f1b9e2415ffe205e02a7e5d6b4a

Analysis

max time kernel
150s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-11-2024 04:56

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General

Target

wpsupdate.msi
Size

28.2MB
MD5

ef294458016f546c5eebd07d2dd98bad
SHA1

66bb14f670055272e12899d401b8668cad15fac9
SHA256

c17c018f5df7a413dc053a325b6c291c9cd84f1b9e2415ffe205e02a7e5d6b4a
SHA512

97ee150f49bb587147f30d2215174f5376420abd5d659a2c68d58bc67f823715030cc328eab7e11623f4ee8504f1f080ceb44ac2d6fca7c636ea8d7c936f0333
SSDEEP

786432:r3pUIX4j1lP1FYKJGIC6rO9HN47EbHxjprMfy6s0A:zpUIIj1l9FxJGIzcteEt2e0A

Score

10^/10

gh0strat purplefox bootkit discovery execution persistence privilege_escalation rat rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 1 IoCs

Detect PurpleFox Rootkit.

rootkit

Processes:

resource	yara_rule
behavioral2/memory/3836-110-0x000000002BA30000-0x000000002BBED000-memory.dmp	purplefox_rootkit

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3836-110-0x000000002BA30000-0x000000002BBED000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat
Gh0strat family
gh0strat
PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

4416 powershell.exe

pid	process
4416	powershell.exe

Enumerates connected drives 3 TTPs 46 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

msiexec.exemsiexec.exe

description	ioc	process
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1542.003

Processes:

wpsupdate.exe

description ioc process

File opened for modification \??\PhysicalDrive0 wpsupdate.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	wpsupdate.exe

Drops file in System32 directory 1 IoCs

Processes:

nKecPJAaIeFB.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\nKecPJAaIeFB.exe.log	nKecPJAaIeFB.exe

Drops file in Program Files directory 23 IoCs

Processes:

MsiExec.exemsiexec.exeQxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exeQxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exenKecPJAaIeFB.exeWSEcydALszNI.exenKecPJAaIeFB.exenKecPJAaIeFB.exe

description	ioc	process
File created	C:\Program Files\TransformOptimisticContributor\WSEcydALszNI.exe	MsiExec.exe
File opened for modification	C:\Program Files\TransformOptimisticContributor\WSEcydALszNI.exe	MsiExec.exe
File created	C:\Program Files\TransformOptimisticContributor\QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe	msiexec.exe
File created	C:\Program Files\TransformOptimisticContributor\YRtKSPCVXxSCmPuaAzactTPSddUXyw	msiexec.exe
File created	C:\Program Files\TransformOptimisticContributor\WhlKFlLXxHUitNNcNwtpUJDzrKytNL	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
File created	C:\Program Files\TransformOptimisticContributor\2_WSEcydALszNI.exe	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
File opened for modification	C:\Program Files\TransformOptimisticContributor\2_WSEcydALszNI.exe	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
File opened for modification	C:\Program Files\TransformOptimisticContributor\nKecPJAaIeFB.exe	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
File opened for modification	C:\Program Files\TransformOptimisticContributor\nKecPJAaIeFB.wrapper.log	nKecPJAaIeFB.exe
File created	C:\Program Files\TransformOptimisticContributor\VC_redist.x64.exe	msiexec.exe
File opened for modification	C:\Program Files\TransformOptimisticContributor\WhlKFlLXxHUitNNcNwtpUJDzrKytNL	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
File created	C:\Program Files\TransformOptimisticContributor\WSEcydALszNI.vbs	WSEcydALszNI.exe
File opened for modification	C:\Program Files\TransformOptimisticContributor\nKecPJAaIeFB.wrapper.log	nKecPJAaIeFB.exe
File opened for modification	C:\Program Files\TransformOptimisticContributor\WSEcydALszNI	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
File created	C:\Program Files\TransformOptimisticContributor\nKecPJAaIeFB.exe	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
File opened for modification	C:\Program Files\TransformOptimisticContributor	WSEcydALszNI.exe
File opened for modification	C:\Program Files\TransformOptimisticContributor\nKecPJAaIeFB.wrapper.log	nKecPJAaIeFB.exe
File created	C:\Program Files\TransformOptimisticContributor\wpsupdate.exe	msiexec.exe
File created	C:\Program Files\TransformOptimisticContributor\nKecPJAaIeFB.xml	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
File opened for modification	C:\Program Files\TransformOptimisticContributor\nKecPJAaIeFB.xml	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
File created	C:\Program Files\TransformOptimisticContributor\pvugBgEMyjnfIRZnnRolAMMekSRFAr	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
File opened for modification	C:\Program Files\TransformOptimisticContributor\pvugBgEMyjnfIRZnnRolAMMekSRFAr	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
File created	C:\Program Files\TransformOptimisticContributor\WSEcydALszNI	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe

Drops file in Windows directory 8 IoCs

Processes:

msiexec.exe

description	ioc	process
File opened for modification	C:\Windows\Installer\MSIDB4C.tmp	msiexec.exe
File created	C:\Windows\Installer\e57d9f7.msi	msiexec.exe
File created	C:\Windows\Installer\e57d9f5.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e57d9f5.msi	msiexec.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File created	C:\Windows\Installer\inprogressinstallinfo.ipi	msiexec.exe
File created	C:\Windows\Installer\SourceHash{5E7ABEF0-9D09-49C1-952F-E73FA3349D07}	msiexec.exe

Executes dropped EXE 9 IoCs

Processes:

QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exeQxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exeWSEcydALszNI.exewpsupdate.exenKecPJAaIeFB.exenKecPJAaIeFB.exenKecPJAaIeFB.exeWSEcydALszNI.exeWSEcydALszNI.exe

pid	process
4460	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
4444	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
632	WSEcydALszNI.exe
3828	wpsupdate.exe
952	nKecPJAaIeFB.exe
1080	nKecPJAaIeFB.exe
436	nKecPJAaIeFB.exe
2724	WSEcydALszNI.exe
3836	WSEcydALszNI.exe

Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
persistence privilege_escalation

Installer Packages
T1546.016

Msiexec
T1218.007

Processes:

msiexec.exe

pid process

1516 msiexec.exe

pid	process
1516	msiexec.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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

Processes:

QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exeQxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exeWSEcydALszNI.exewpsupdate.exeWSEcydALszNI.exeWSEcydALszNI.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WSEcydALszNI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wpsupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WSEcydALszNI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WSEcydALszNI.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
discovery

Internet Connection Discovery
T1016.001

Processes:

PING.EXEcmd.exe

pid process

1892 PING.EXE
3952 cmd.exe

pid	process
1892	PING.EXE
3952	cmd.exe

Checks SCSI registry key(s) 3 TTPs 5 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

vssvc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	vssvc.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

powershell.exewpsupdate.exeMsiExec.exeWScript.exemsiexec.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Kingsoft\Office	wpsupdate.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	MsiExec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	WScript.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Kingsoft\Office\6.0\Common\InfoHDt = "19"	wpsupdate.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	MsiExec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Kingsoft\Office\6.0\Common\InfoHD = "f69076662ad68ef948dba3f08594f011"	wpsupdate.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows Script\Settings\JITDebug = "0"	MsiExec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	WScript.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Kingsoft\Office\6.0\Common\InfoHD3_C = "f69076662ad68ef948dba3f08594f011"	wpsupdate.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Kingsoft\Office\6.0\Common\InfoHD3Verify_C = 32003000320034002d00310031002d00310039007c00570044004300200032002e0035002b00320033003200310033003800380030003400310036003500200020002000200020002000200020007c00440041002d00360037002d00420035002d00360045002d00360043002d00310042000000	wpsupdate.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Kingsoft\Office\6.0\Common\InfoHD3t = "19"	wpsupdate.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	MsiExec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Kingsoft\Office\6.0\Common\khdinfo\InfoLastHardInfo	wpsupdate.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	WScript.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	wpsupdate.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Kingsoft\Office\6.0	wpsupdate.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows Script\Settings	MsiExec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows Script Host\Settings	WScript.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows Script Host	WScript.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Kingsoft\Office\6.0\Common\khdinfo	wpsupdate.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Kingsoft\Office\6.0\Common\khdinfo\InfoCurHardInfo = "29a56b8a14940c3acb7a4a6443907c56\|e7074c32322ef165a9d6e271ff2be5c7"	wpsupdate.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Kingsoft	wpsupdate.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Kingsoft\Office\6.0\Common	wpsupdate.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	wpsupdate.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	MsiExec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe

Modifies registry class 22 IoCs

Processes:

msiexec.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0FEBA7E590D91C9459F27EF33A43D970\AdvertiseFlags = "388"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0FEBA7E590D91C9459F27EF33A43D970\InstanceType = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0FEBA7E590D91C9459F27EF33A43D970\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0FEBA7E590D91C9459F27EF33A43D970\SourceList\Media	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0FEBA7E590D91C9459F27EF33A43D970\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0FEBA7E590D91C9459F27EF33A43D970	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0FEBA7E590D91C9459F27EF33A43D970\PackageCode = "CCD296EAB4068834AB0FC3DB62EF5779"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0FEBA7E590D91C9459F27EF33A43D970\Version = "100859912"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\0FEBA7E590D91C9459F27EF33A43D970	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\ED4346F32F1F8CA46B2D014BA47DCC9B	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0FEBA7E590D91C9459F27EF33A43D970\Clients = 3a0000000000	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0FEBA7E590D91C9459F27EF33A43D970\SourceList	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\0FEBA7E590D91C9459F27EF33A43D970\ProductFeature	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0FEBA7E590D91C9459F27EF33A43D970\ProductName = "TransformOptimisticContributor"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0FEBA7E590D91C9459F27EF33A43D970\AuthorizedLUAApp = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\ED4346F32F1F8CA46B2D014BA47DCC9B\0FEBA7E590D91C9459F27EF33A43D970	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0FEBA7E590D91C9459F27EF33A43D970\SourceList\PackageName = "wpsupdate.msi"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0FEBA7E590D91C9459F27EF33A43D970\SourceList\Net	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0FEBA7E590D91C9459F27EF33A43D970\SourceList\Media\1 = ";"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0FEBA7E590D91C9459F27EF33A43D970\Language = "1033"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0FEBA7E590D91C9459F27EF33A43D970\Assignment = "1"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\0FEBA7E590D91C9459F27EF33A43D970\DeploymentFlags = "3"	msiexec.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1892 PING.EXE

pid	process
1892	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

msiexec.exepowershell.exewpsupdate.exeWSEcydALszNI.exe

pid	process
4880	msiexec.exe
4880	msiexec.exe
4416	powershell.exe
4416	powershell.exe
3828	wpsupdate.exe
3828	wpsupdate.exe
3828	wpsupdate.exe
3828	wpsupdate.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe
632	WSEcydALszNI.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

msiexec.exemsiexec.exevssvc.exepowershell.exesrtasks.exeQxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exeQxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe

description	pid	process
Token: SeShutdownPrivilege	1516	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1516	msiexec.exe
Token: SeSecurityPrivilege	4880	msiexec.exe
Token: SeCreateTokenPrivilege	1516	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1516	msiexec.exe
Token: SeLockMemoryPrivilege	1516	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1516	msiexec.exe
Token: SeMachineAccountPrivilege	1516	msiexec.exe
Token: SeTcbPrivilege	1516	msiexec.exe
Token: SeSecurityPrivilege	1516	msiexec.exe
Token: SeTakeOwnershipPrivilege	1516	msiexec.exe
Token: SeLoadDriverPrivilege	1516	msiexec.exe
Token: SeSystemProfilePrivilege	1516	msiexec.exe
Token: SeSystemtimePrivilege	1516	msiexec.exe
Token: SeProfSingleProcessPrivilege	1516	msiexec.exe
Token: SeIncBasePriorityPrivilege	1516	msiexec.exe
Token: SeCreatePagefilePrivilege	1516	msiexec.exe
Token: SeCreatePermanentPrivilege	1516	msiexec.exe
Token: SeBackupPrivilege	1516	msiexec.exe
Token: SeRestorePrivilege	1516	msiexec.exe
Token: SeShutdownPrivilege	1516	msiexec.exe
Token: SeDebugPrivilege	1516	msiexec.exe
Token: SeAuditPrivilege	1516	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1516	msiexec.exe
Token: SeChangeNotifyPrivilege	1516	msiexec.exe
Token: SeRemoteShutdownPrivilege	1516	msiexec.exe
Token: SeUndockPrivilege	1516	msiexec.exe
Token: SeSyncAgentPrivilege	1516	msiexec.exe
Token: SeEnableDelegationPrivilege	1516	msiexec.exe
Token: SeManageVolumePrivilege	1516	msiexec.exe
Token: SeImpersonatePrivilege	1516	msiexec.exe
Token: SeCreateGlobalPrivilege	1516	msiexec.exe
Token: SeBackupPrivilege	1484	vssvc.exe
Token: SeRestorePrivilege	1484	vssvc.exe
Token: SeAuditPrivilege	1484	vssvc.exe
Token: SeBackupPrivilege	4880	msiexec.exe
Token: SeRestorePrivilege	4880	msiexec.exe
Token: SeRestorePrivilege	4880	msiexec.exe
Token: SeTakeOwnershipPrivilege	4880	msiexec.exe
Token: SeRestorePrivilege	4880	msiexec.exe
Token: SeTakeOwnershipPrivilege	4880	msiexec.exe
Token: SeDebugPrivilege	4416	powershell.exe
Token: SeBackupPrivilege	3028	srtasks.exe
Token: SeRestorePrivilege	3028	srtasks.exe
Token: SeSecurityPrivilege	3028	srtasks.exe
Token: SeTakeOwnershipPrivilege	3028	srtasks.exe
Token: SeRestorePrivilege	4460	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
Token: 35	4460	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
Token: SeSecurityPrivilege	4460	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
Token: SeSecurityPrivilege	4460	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
Token: SeBackupPrivilege	3028	srtasks.exe
Token: SeRestorePrivilege	3028	srtasks.exe
Token: SeSecurityPrivilege	3028	srtasks.exe
Token: SeTakeOwnershipPrivilege	3028	srtasks.exe
Token: SeRestorePrivilege	4444	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
Token: 35	4444	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
Token: SeSecurityPrivilege	4444	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
Token: SeSecurityPrivilege	4444	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
Token: SeRestorePrivilege	4880	msiexec.exe
Token: SeTakeOwnershipPrivilege	4880	msiexec.exe
Token: SeRestorePrivilege	4880	msiexec.exe
Token: SeTakeOwnershipPrivilege	4880	msiexec.exe
Token: SeRestorePrivilege	4880	msiexec.exe
Token: SeTakeOwnershipPrivilege	4880	msiexec.exe

Suspicious use of FindShellTrayWindow 7 IoCs

Processes:

msiexec.exewpsupdate.exe

pid process

1516 msiexec.exe
1516 msiexec.exe
3828 wpsupdate.exe
3828 wpsupdate.exe
3828 wpsupdate.exe
3828 wpsupdate.exe
3828 wpsupdate.exe
Suspicious use of SendNotifyMessage 5 IoCs

Processes:

wpsupdate.exe

pid process

3828 wpsupdate.exe
3828 wpsupdate.exe
3828 wpsupdate.exe
3828 wpsupdate.exe
3828 wpsupdate.exe

pid	process
1516	msiexec.exe
1516	msiexec.exe
3828	wpsupdate.exe
3828	wpsupdate.exe
3828	wpsupdate.exe
3828	wpsupdate.exe
3828	wpsupdate.exe

pid	process
3828	wpsupdate.exe
3828	wpsupdate.exe
3828	wpsupdate.exe
3828	wpsupdate.exe
3828	wpsupdate.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

msiexec.exeMsiExec.execmd.exenKecPJAaIeFB.exeWSEcydALszNI.exe

description	pid	process	target process
PID 4880 wrote to memory of 3028	4880	msiexec.exe	srtasks.exe
PID 4880 wrote to memory of 3028	4880	msiexec.exe	srtasks.exe
PID 4880 wrote to memory of 2680	4880	msiexec.exe	MsiExec.exe
PID 4880 wrote to memory of 2680	4880	msiexec.exe	MsiExec.exe
PID 2680 wrote to memory of 4416	2680	MsiExec.exe	powershell.exe
PID 2680 wrote to memory of 4416	2680	MsiExec.exe	powershell.exe
PID 2680 wrote to memory of 3952	2680	MsiExec.exe	cmd.exe
PID 2680 wrote to memory of 3952	2680	MsiExec.exe	cmd.exe
PID 3952 wrote to memory of 4460	3952	cmd.exe	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
PID 3952 wrote to memory of 4460	3952	cmd.exe	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
PID 3952 wrote to memory of 4460	3952	cmd.exe	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
PID 3952 wrote to memory of 1892	3952	cmd.exe	PING.EXE
PID 3952 wrote to memory of 1892	3952	cmd.exe	PING.EXE
PID 3952 wrote to memory of 4444	3952	cmd.exe	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
PID 3952 wrote to memory of 4444	3952	cmd.exe	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
PID 3952 wrote to memory of 4444	3952	cmd.exe	QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
PID 2680 wrote to memory of 632	2680	MsiExec.exe	WSEcydALszNI.exe
PID 2680 wrote to memory of 632	2680	MsiExec.exe	WSEcydALszNI.exe
PID 2680 wrote to memory of 632	2680	MsiExec.exe	WSEcydALszNI.exe
PID 2680 wrote to memory of 3828	2680	MsiExec.exe	wpsupdate.exe
PID 2680 wrote to memory of 3828	2680	MsiExec.exe	wpsupdate.exe
PID 2680 wrote to memory of 3828	2680	MsiExec.exe	wpsupdate.exe
PID 436 wrote to memory of 2724	436	nKecPJAaIeFB.exe	WSEcydALszNI.exe
PID 436 wrote to memory of 2724	436	nKecPJAaIeFB.exe	WSEcydALszNI.exe
PID 436 wrote to memory of 2724	436	nKecPJAaIeFB.exe	WSEcydALszNI.exe
PID 2724 wrote to memory of 3836	2724	WSEcydALszNI.exe	WSEcydALszNI.exe
PID 2724 wrote to memory of 3836	2724	WSEcydALszNI.exe	WSEcydALszNI.exe
PID 2724 wrote to memory of 3836	2724	WSEcydALszNI.exe	WSEcydALszNI.exe

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\wpsupdate.msi
1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1516

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4880
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3028
- C:\Windows\System32\MsiExec.exe
  C:\Windows\System32\MsiExec.exe -Embedding 94C8925FDAC075AE237B5605BCE04F8E E Global\MSI0000
  2⤵
  - Drops file in Program Files directory
  - Modifies data under HKEY_USERS
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\TransformOptimisticContributor','C:\Program Files','C:\Program Files'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4416
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c start /min "" "C:\Program Files\TransformOptimisticContributor\QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe" x "C:\Program Files\TransformOptimisticContributor\YRtKSPCVXxSCmPuaAzactTPSddUXyw" -o"C:\Program Files\TransformOptimisticContributor\" -p"03621GQD}PR[O^Dmi;;h" -y & ping 127.0.0.1 -n 2 & start /min "" "C:\Program Files\TransformOptimisticContributor\QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe" x "C:\Program Files\TransformOptimisticContributor\WhlKFlLXxHUitNNcNwtpUJDzrKytNL" -x!1_WSEcydALszNI.exe -x!sss -x!1_OzasXnwPtTbfCAAsrowrLIIDEPUHpa.exe -x!1_ -x!1_ -x!sa -o"C:\Program Files\TransformOptimisticContributor\" -p"93629#*_tvw?-L5@gQl=" -y
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:3952
  - - C:\Program Files\TransformOptimisticContributor\QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
      "C:\Program Files\TransformOptimisticContributor\QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe" x "C:\Program Files\TransformOptimisticContributor\YRtKSPCVXxSCmPuaAzactTPSddUXyw" -o"C:\Program Files\TransformOptimisticContributor\" -p"03621GQD}PR[O^Dmi;;h" -y
      4⤵
      Drops file in Program Files directory
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:4460
  - - C:\Windows\system32\PING.EXE
      ping 127.0.0.1 -n 2
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:1892
  - - C:\Program Files\TransformOptimisticContributor\QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe
      "C:\Program Files\TransformOptimisticContributor\QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe" x "C:\Program Files\TransformOptimisticContributor\WhlKFlLXxHUitNNcNwtpUJDzrKytNL" -x!1_WSEcydALszNI.exe -x!sss -x!1_OzasXnwPtTbfCAAsrowrLIIDEPUHpa.exe -x!1_ -x!1_ -x!sa -o"C:\Program Files\TransformOptimisticContributor\" -p"93629#*_tvw?-L5@gQl=" -y
      4⤵
      Drops file in Program Files directory
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:4444
- - C:\Program Files\TransformOptimisticContributor\WSEcydALszNI.exe
    "C:\Program Files\TransformOptimisticContributor\WSEcydALszNI.exe" -number 177 -file file3 -mode mode3
    3⤵
    - Drops file in Program Files directory
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:632
- - C:\Program Files\TransformOptimisticContributor\wpsupdate.exe
    "C:\Program Files\TransformOptimisticContributor\wpsupdate.exe"
    3⤵
    - Writes to the Master Boot Record (MBR)
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:3828

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:1484

C:\Windows\System32\WScript.exe
C:\Windows\System32\WScript.exe "C:\Program Files\TransformOptimisticContributor\WSEcydALszNI.vbs"
1⤵
- Modifies data under HKEY_USERS
PID:1796

C:\Program Files\TransformOptimisticContributor\nKecPJAaIeFB.exe
"C:\Program Files\TransformOptimisticContributor\nKecPJAaIeFB.exe" install
1⤵
- Drops file in System32 directory
- Drops file in Program Files directory
- Executes dropped EXE
PID:952

C:\Program Files\TransformOptimisticContributor\nKecPJAaIeFB.exe
"C:\Program Files\TransformOptimisticContributor\nKecPJAaIeFB.exe" start
1⤵
- Drops file in Program Files directory
- Executes dropped EXE
PID:1080

C:\Program Files\TransformOptimisticContributor\nKecPJAaIeFB.exe
"C:\Program Files\TransformOptimisticContributor\nKecPJAaIeFB.exe"
1⤵
- Drops file in Program Files directory
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:436
- C:\Program Files\TransformOptimisticContributor\WSEcydALszNI.exe
  "C:\Program Files\TransformOptimisticContributor\WSEcydALszNI.exe" -number 151 -file file3 -mode mode3
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Program Files\TransformOptimisticContributor\WSEcydALszNI.exe
    "C:\Program Files\TransformOptimisticContributor\WSEcydALszNI.exe" -number 62 -file file3 -mode mode3
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Event Triggered Execution

T1546

Installer Packages

T1546.016

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Event Triggered Execution

T1546

Installer Packages

T1546.016

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

System Binary Proxy Execution

T1218

Msiexec

T1218.007

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Config.Msi\e57d9f6.rbs

Filesize
8KB

MD5
5d18475afd5a885c1cdd7fccb3049e32

SHA1
7c060f44c3d984f7d045440fe47724a1cc9d3b14

SHA256
e0b0a867b136f3ee3008f41666e0dadf5a7143acaf455ebaf7f5d4809bb85e85

SHA512
94f62085155cbf4392e48ec7e9a1eb56017d3952ecaf18dfb78f93c8c294ed4dae4771a81bfff8c2449ef4f7b950e54c0adae571d547c223563d8d046febdf59

Download Submit
C:\Program Files\TransformOptimisticContributor\2_WSEcydALszNI.exe

Filesize
2.1MB

MD5
fb22fb79f366c65257b7adb24c70d843

SHA1
ca6d29a4806d52350e1a50c7b71526dfaab2d525

SHA256
44f2ea5b5dd47fc256a341dee1d2dacfc24adba395a49fd8c4ad3613bfe2d43d

SHA512
c4dfb9273bd937f5480646e12d77073a476719f1f15ee5885e0999f0bbc68f80b1909489f7bd78a3bfb4687a55442f655f4538fda20afe4a7b87623e9bdfe7d9

Download Submit
C:\Program Files\TransformOptimisticContributor\QxbnJjybITIHnXwFgsfiCRpWIdJkGQ.exe

Filesize
577KB

MD5
c31c4b04558396c6fabab64dcf366534

SHA1
fa836d92edc577d6a17ded47641ba1938589b09a

SHA256
9d182f421381429fd77598feb609fefb54dcaef722ddbf5aa611b68a706c10d3

SHA512
814dcbc1d43bc037dadc2f3f67856dd790b15fc1b0c50fa74a169c8cc02cdc79d44f1f10e200ef662eee20cd6b5ca646ec4e77673e3fe3cb7dfb7649243f6e99

Download Submit
C:\Program Files\TransformOptimisticContributor\WSEcydALszNI.vbs

Filesize
2KB

MD5
c5053a9c469416b52ac1ef0f3c4b6f3a

SHA1
1b2a53afcb6b22db953ad16116642a5e603d59c6

SHA256
7c54fccfbce7fef4dcd82fedd5811f43b553fca88811ace4e37d0837923830e5

SHA512
b9df8e58a1eabff54635a776a1c80c3c42643e3ad3ca3245eb0428b3e779ab903fcd2260d529c5fa34bb0f6b9dc62002cf1c0ba9e0d439b6905b12c837359ffa

Download Submit
C:\Program Files\TransformOptimisticContributor\WhlKFlLXxHUitNNcNwtpUJDzrKytNL

Filesize
1.5MB

MD5
d045828473a8165effd59a97232e6107

SHA1
f86bd9763d6c70ec3ca79134598de4fa44c6bc94

SHA256
9aaae0f7b3bdab287ad703c7eb4baa1a0746b6d353e57ae74d985b10a2102016

SHA512
07e77aa6a433d4541d80276d37e682012509b480a6861f9fbe3cd89929b352d6754cc649526f95c4bd76cf4e1c8bceb275a0217c38193ab88891166934d79659

Download Submit
C:\Program Files\TransformOptimisticContributor\YRtKSPCVXxSCmPuaAzactTPSddUXyw

Filesize
1.5MB

MD5
831ff4029b30419da4ac4d32bf8ff05c

SHA1
8c121d0cd017ce5f7ca8cbf6abd8909b2fe445bc

SHA256
ab281716242897be222c1d4cc979fd5de9e7d1cde56e70ac1010e6b3dc76826d

SHA512
17f2efdb891dcf9ceacb8b24801ec59866f969baa55d1c92c15a7150c13f18cc3f481984b5971456e1ad0f204db016698bfe012c086ffa2028582c1d9302a8c5

Download Submit
C:\Program Files\TransformOptimisticContributor\nKecPJAaIeFB.exe

Filesize
832KB

MD5
d305d506c0095df8af223ac7d91ca327

SHA1
679cb4c763c84e75ccb0fa3475bd6b7a36e81c4a

SHA256
923111c7142b3dc783a3c722b19b8a21bcb78222d7a136ac33f0ca8a29f4cb66

SHA512
94d369a4db88bff9556a1d7a7fb0188ed935c3592bae09335542c5502ec878e839177be63ac3ab4af75d4dc38a3a4f5d0fd423115ac72cf5dd710c59604db796

Download Submit
C:\Program Files\TransformOptimisticContributor\nKecPJAaIeFB.wrapper.log

Filesize
290B

MD5
4a3b8c0e53a3ca076d6d3659300c096c

SHA1
a49a2be43a87cde92a60f17dbd29d5d1d5cac353

SHA256
d2964d10f1431ffeb289bce75ca9b5f1ffa1ee58a9ee7f7028cc65413e8878b0

SHA512
8c94c15b557cc0d58d27d74b7e4cd0fba0ce84742f99d4b848be741ab48c82f9c864c47aa0986f31c9c75f4f005e8ff7a3e1963c1c00f217381081177a3b276d

Download Submit
C:\Program Files\TransformOptimisticContributor\nKecPJAaIeFB.wrapper.log

Filesize
458B

MD5
6923590bb4fac906ac5a9996ceb9362b

SHA1
2fae07821afeacee9441779591cf51eb0b39dda0

SHA256
b3b4e0f086c456e9156cd796a1b985ac426af7764647b197682b40b362c4bb1d

SHA512
db68e9982acb4e27ef36cd22d76b6aa42bbd100ae4eaed8a23feaf1a58c9f32470e7184cc6ca65a2c1218cfc873b21553403bf093518e5d9d61bff59a3ff704e

Download Submit
C:\Program Files\TransformOptimisticContributor\nKecPJAaIeFB.wrapper.log

Filesize
636B

MD5
1618efebb4abada9b83b90496410fb57

SHA1
61fbb12b77328d4cb5e237878caedfa20e936ca3

SHA256
462d8c4f845b5bcc5ea5582e2c21c97199c97429043410db7bcf468a2778aa81

SHA512
73ea0f4540a25d9234a10142c724bf2c9c8134a786a219fb88d9b4bf4403b4d69fdb6ce61104c4296ec507b9ccae79ec0c45fdea3c86bbac6cfe0b45ac15ab5d

Download Submit
C:\Program Files\TransformOptimisticContributor\nKecPJAaIeFB.xml

Filesize
450B

MD5
423a8dfeda50218b0d1f99440f1f19bb

SHA1
5979983be9657f79aa8523018779fef0ff004282

SHA256
c88617337e75ec9a2a8c9b5a589957f2df36dd28c9d5aeb5c1453e71b6fb3c02

SHA512
19f4764a3d46de34eb707e1f50685282bfd49d766d1cd8482dae6bd09ed382021dd09e5e9f506e4b2c402c89a29c5fad78ff68d29fda8ba33310c81b74467ab9

Download Submit
C:\Program Files\TransformOptimisticContributor\wpsupdate.exe

Filesize
6.0MB

MD5
57dadd6a929f64c2b1efe2d52c1c4985

SHA1
962cb227f81f885f23826c3e040aa9dbc97659cf

SHA256
996b5d59cce7955b4374bd00d83c422d3a1d9ffebba59c66074c37ab28cfaeb5

SHA512
3f64c35e72698ea6a7e708a4367277f3ab62c27f0652e0c55bab6e02239ee37c4f0a21503c0688301fb77bbf8e59e3c5c8aa2df8d62a4ab8a9b9cdf6f0a775cf

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1veqiqdc.l1i.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\kingsoft\office6\log\update\wpsupdate_2024_11_19.log

Filesize
2KB

MD5
b94b2c9b82f6d491f905dabd4b1c9069

SHA1
aa3ffb8acc8b306dd4b76a44ce5889350ced0952

SHA256
b91ce4bca71e439c20faba8fb2384efe87a71a8c0ac2a44061888589cbc89a11

SHA512
8a627721f668fba9c3ac276953939877bae40f99838fe993ceb4f6a5a64ed90603a11d119941f71a57e8dbb8d46ef8f7e14c043b72609cc33394cc87abf96d10

Download Submit
C:\Windows\Installer\e57d9f5.msi

Filesize
28.2MB

MD5
ef294458016f546c5eebd07d2dd98bad

SHA1
66bb14f670055272e12899d401b8668cad15fac9

SHA256
c17c018f5df7a413dc053a325b6c291c9cd84f1b9e2415ffe205e02a7e5d6b4a

SHA512
97ee150f49bb587147f30d2215174f5376420abd5d659a2c68d58bc67f823715030cc328eab7e11623f4ee8504f1f080ceb44ac2d6fca7c636ea8d7c936f0333

Download Submit
C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\nKecPJAaIeFB.exe.log

Filesize
1KB

MD5
122cf3c4f3452a55a92edee78316e071

SHA1
f2caa36d483076c92d17224cf92e260516b3cbbf

SHA256
42f5774d1ee4cae5d7a4e83970da42bb17e61ae93c312247211b5ee3535662e0

SHA512
c98666fb86aaff6471c0a96f12f037b9a607579c5891c9d7ba8cd4e90506ca7aa5b5f6264081d25f703c88fb69d8e2cd87809d508e771770550d0c5d4d17d91c

Download Submit
\??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

Filesize
24.1MB

MD5
b3dbb01f64836dd7868f6052e12bc6a6

SHA1
7ecaaa81392adbfb9cd1f885c7d9102879b00e25

SHA256
20f224401f9d8b6778e121a651aea92604df66708dea32e803d6e1558ebdfa23

SHA512
5391f412895ab4497a013670119ce048b29fb269878a3ba9ca25923d95148bad34f375cd423301fd444b632770d4b47f5658c22f498cbad64db42fe9b824666b

Download Submit
\??\Volume{ff55cfe6-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{22748646-e610-4438-a06b-3a0bb54c46f1}_OnDiskSnapshotProp

Filesize
6KB

MD5
a4dcdabd7d8131de69eeb205b32f9353

SHA1
e8d856ba1888aeee22845b9d7152a4303628570b

SHA256
ab03315d3086eaf953e5aa73d527b3faa8b92545f38da41e50ccafd14b4e53ff

SHA512
2918c1c7f08106adde47369094c1c37eb9b48bd614b0897166dc752e993eab491d5f1bc2e024ba97493d55a01efa8698f81658886aef9c3c195d33f5d67b41ee

Download Submit
memory/632-57-0x000000002A460000-0x000000002A48F000-memory.dmp

Filesize
188KB

Download
memory/952-78-0x0000000000D50000-0x0000000000E26000-memory.dmp

Filesize
856KB

Download
memory/3836-109-0x0000000029E10000-0x0000000029E5D000-memory.dmp

Filesize
308KB

Download
memory/3836-110-0x000000002BA30000-0x000000002BBED000-memory.dmp

Filesize
1.7MB

Download
memory/4416-22-0x0000017BC0170000-0x0000017BC0192000-memory.dmp

Filesize
136KB

Download