9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4

Modify Registry

Processes:

gnrkfzutmz.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	gnrkfzutmz.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

Modify Registry

Processes:

gnrkfzutmz.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	gnrkfzutmz.exe

Windows security bypass 2 TTPs 5 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

Processes:

gnrkfzutmz.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	gnrkfzutmz.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	gnrkfzutmz.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	gnrkfzutmz.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	gnrkfzutmz.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	gnrkfzutmz.exe

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

gnrkfzutmz.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	gnrkfzutmz.exe

Executes dropped EXE 5 IoCs

Processes:

gnrkfzutmz.exehutgwcibjwfdhnt.exelzfoushy.exephbunynoksuaa.exelzfoushy.exe

pid process

2140 gnrkfzutmz.exe
3672 hutgwcibjwfdhnt.exe
2624 lzfoushy.exe
4920 phbunynoksuaa.exe
3920 lzfoushy.exe

pid	process
2140	gnrkfzutmz.exe
3672	hutgwcibjwfdhnt.exe
2624	lzfoushy.exe
4920	phbunynoksuaa.exe
3920	lzfoushy.exe

UPX packed file 23 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4740-133-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
C:\Windows\SysWOW64\gnrkfzutmz.exe	upx
C:\Windows\SysWOW64\gnrkfzutmz.exe	upx
C:\Windows\SysWOW64\hutgwcibjwfdhnt.exe	upx
C:\Windows\SysWOW64\hutgwcibjwfdhnt.exe	upx
behavioral2/memory/2140-140-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/3672-141-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
C:\Windows\SysWOW64\lzfoushy.exe	upx
C:\Windows\SysWOW64\lzfoushy.exe	upx
behavioral2/memory/2624-145-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/4740-146-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
C:\Windows\SysWOW64\phbunynoksuaa.exe	upx
C:\Windows\SysWOW64\phbunynoksuaa.exe	upx
behavioral2/memory/4920-151-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/2624-152-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/4920-153-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
C:\Windows\SysWOW64\lzfoushy.exe	upx
behavioral2/memory/3920-156-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/4740-158-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe	upx
C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe	upx
\??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe	upx
behavioral2/memory/3920-168-0x0000000000400000-0x00000000004A0000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

Processes:

9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe

Windows security modification 2 TTPs 6 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

Processes:

gnrkfzutmz.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	gnrkfzutmz.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	gnrkfzutmz.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	gnrkfzutmz.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	gnrkfzutmz.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirstRunDisabled = "1"	gnrkfzutmz.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	gnrkfzutmz.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

Processes:

hutgwcibjwfdhnt.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	hutgwcibjwfdhnt.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\iyiiwwtm = "gnrkfzutmz.exe"	hutgwcibjwfdhnt.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\nbgrlfcq = "hutgwcibjwfdhnt.exe"	hutgwcibjwfdhnt.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "phbunynoksuaa.exe"	hutgwcibjwfdhnt.exe

Enumerates connected drives 3 TTPs 64 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

Processes:

lzfoushy.exegnrkfzutmz.exelzfoushy.exe

description	ioc	process
File opened (read-only)	\??\q:	lzfoushy.exe
File opened (read-only)	\??\u:	lzfoushy.exe
File opened (read-only)	\??\t:	gnrkfzutmz.exe
File opened (read-only)	\??\g:	lzfoushy.exe
File opened (read-only)	\??\t:	lzfoushy.exe
File opened (read-only)	\??\f:	gnrkfzutmz.exe
File opened (read-only)	\??\x:	gnrkfzutmz.exe
File opened (read-only)	\??\y:	lzfoushy.exe
File opened (read-only)	\??\m:	lzfoushy.exe
File opened (read-only)	\??\l:	lzfoushy.exe
File opened (read-only)	\??\o:	lzfoushy.exe
File opened (read-only)	\??\w:	lzfoushy.exe
File opened (read-only)	\??\y:	gnrkfzutmz.exe
File opened (read-only)	\??\f:	lzfoushy.exe
File opened (read-only)	\??\o:	lzfoushy.exe
File opened (read-only)	\??\e:	lzfoushy.exe
File opened (read-only)	\??\k:	gnrkfzutmz.exe
File opened (read-only)	\??\v:	gnrkfzutmz.exe
File opened (read-only)	\??\h:	lzfoushy.exe
File opened (read-only)	\??\n:	gnrkfzutmz.exe
File opened (read-only)	\??\y:	lzfoushy.exe
File opened (read-only)	\??\i:	lzfoushy.exe
File opened (read-only)	\??\q:	gnrkfzutmz.exe
File opened (read-only)	\??\e:	lzfoushy.exe
File opened (read-only)	\??\k:	lzfoushy.exe
File opened (read-only)	\??\w:	lzfoushy.exe
File opened (read-only)	\??\x:	lzfoushy.exe
File opened (read-only)	\??\e:	gnrkfzutmz.exe
File opened (read-only)	\??\p:	gnrkfzutmz.exe
File opened (read-only)	\??\h:	gnrkfzutmz.exe
File opened (read-only)	\??\j:	gnrkfzutmz.exe
File opened (read-only)	\??\u:	gnrkfzutmz.exe
File opened (read-only)	\??\b:	lzfoushy.exe
File opened (read-only)	\??\r:	lzfoushy.exe
File opened (read-only)	\??\f:	lzfoushy.exe
File opened (read-only)	\??\j:	lzfoushy.exe
File opened (read-only)	\??\a:	gnrkfzutmz.exe
File opened (read-only)	\??\s:	lzfoushy.exe
File opened (read-only)	\??\v:	lzfoushy.exe
File opened (read-only)	\??\k:	lzfoushy.exe
File opened (read-only)	\??\j:	lzfoushy.exe
File opened (read-only)	\??\p:	lzfoushy.exe
File opened (read-only)	\??\s:	gnrkfzutmz.exe
File opened (read-only)	\??\w:	gnrkfzutmz.exe
File opened (read-only)	\??\a:	lzfoushy.exe
File opened (read-only)	\??\i:	lzfoushy.exe
File opened (read-only)	\??\x:	lzfoushy.exe
File opened (read-only)	\??\z:	lzfoushy.exe
File opened (read-only)	\??\b:	gnrkfzutmz.exe
File opened (read-only)	\??\i:	gnrkfzutmz.exe
File opened (read-only)	\??\z:	lzfoushy.exe
File opened (read-only)	\??\l:	lzfoushy.exe
File opened (read-only)	\??\b:	lzfoushy.exe
File opened (read-only)	\??\g:	lzfoushy.exe
File opened (read-only)	\??\p:	lzfoushy.exe
File opened (read-only)	\??\a:	lzfoushy.exe
File opened (read-only)	\??\r:	lzfoushy.exe
File opened (read-only)	\??\z:	gnrkfzutmz.exe
File opened (read-only)	\??\t:	lzfoushy.exe
File opened (read-only)	\??\s:	lzfoushy.exe
File opened (read-only)	\??\g:	gnrkfzutmz.exe
File opened (read-only)	\??\l:	gnrkfzutmz.exe
File opened (read-only)	\??\h:	lzfoushy.exe
File opened (read-only)	\??\q:	lzfoushy.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

Processes:

gnrkfzutmz.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCScan = "0"	gnrkfzutmz.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCDisable = "4294967197"	gnrkfzutmz.exe

AutoIT Executable 10 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/memory/2140-140-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/3672-141-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/2624-145-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/4740-146-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/4920-151-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/2624-152-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/4920-153-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/3920-156-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/4740-158-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/3920-168-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe

Drops file in System32 directory 9 IoCs

Processes:

9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exegnrkfzutmz.exe

description	ioc	process
File created	C:\Windows\SysWOW64\gnrkfzutmz.exe	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
File opened for modification	C:\Windows\SysWOW64\phbunynoksuaa.exe	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
File opened for modification	C:\Windows\SysWOW64\msvbvm60.dll	gnrkfzutmz.exe
File opened for modification	C:\Windows\SysWOW64\gnrkfzutmz.exe	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
File created	C:\Windows\SysWOW64\hutgwcibjwfdhnt.exe	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
File opened for modification	C:\Windows\SysWOW64\hutgwcibjwfdhnt.exe	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
File created	C:\Windows\SysWOW64\lzfoushy.exe	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
File opened for modification	C:\Windows\SysWOW64\lzfoushy.exe	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
File created	C:\Windows\SysWOW64\phbunynoksuaa.exe	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe

Drops file in Program Files directory 14 IoCs

Processes:

lzfoushy.exelzfoushy.exe

description	ioc	process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe	lzfoushy.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal	lzfoushy.exe
File created	\??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe	lzfoushy.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal	lzfoushy.exe
File created	\??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe	lzfoushy.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe	lzfoushy.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe	lzfoushy.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe	lzfoushy.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal	lzfoushy.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe	lzfoushy.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe	lzfoushy.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe	lzfoushy.exe
File opened for modification	\??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe	lzfoushy.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal	lzfoushy.exe

Drops file in Windows directory 3 IoCs

Processes:

9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exeWINWORD.EXE

description	ioc	process
File opened for modification	C:\Windows\mydoc.rtf	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
File opened for modification	C:\Windows\mydoc.rtf	WINWORD.EXE
File created	C:\Windows\~$mydoc.rtf	WINWORD.EXE

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

System Information Discovery

Processes:

WINWORD.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Modifies registry class 20 IoCs

Processes:

gnrkfzutmz.exe9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.WSH\ = "txtfile"	gnrkfzutmz.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.wsc\ = "txtfile"	gnrkfzutmz.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.reg	gnrkfzutmz.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com2 = "6ABDF9B1FE10F1E7840C3B4286EB3993B0FC03884315033DE1BD42EE09D5"	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.bat	gnrkfzutmz.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.wsf	gnrkfzutmz.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.WSF\ = "txtfile"	gnrkfzutmz.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLV.Classes	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com1 = "33442C769D5283546A4377A177232DDA7D8365AA"	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom2 = "184EC60815E5DBC0B8C87CE2EDE437C8"	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.bat\ = "txtfile"	gnrkfzutmz.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.wsh	gnrkfzutmz.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.wsc	gnrkfzutmz.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.vbs	gnrkfzutmz.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.vbs\ = "txtfile"	gnrkfzutmz.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.reg\ = "txtfile"	gnrkfzutmz.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com3 = "2FC7B020479339ED52CBB9D1329DD4CF"	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com4 = "7F8EFF8F485D826D9136D62E7DE2BDE2E14658446642633FD7EC"	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom1 = "E78168C3FE6D21D1D10ED1A98B7D9167"	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000_Classes\Local Settings	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2432 WINWORD.EXE
2432 WINWORD.EXE

pid	process
2432	WINWORD.EXE
2432	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exegnrkfzutmz.exehutgwcibjwfdhnt.exelzfoushy.exephbunynoksuaa.exe

pid	process
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
2140	gnrkfzutmz.exe
2140	gnrkfzutmz.exe
2140	gnrkfzutmz.exe
2140	gnrkfzutmz.exe
2140	gnrkfzutmz.exe
2140	gnrkfzutmz.exe
2140	gnrkfzutmz.exe
2140	gnrkfzutmz.exe
2140	gnrkfzutmz.exe
2140	gnrkfzutmz.exe
3672	hutgwcibjwfdhnt.exe
3672	hutgwcibjwfdhnt.exe
3672	hutgwcibjwfdhnt.exe
3672	hutgwcibjwfdhnt.exe
3672	hutgwcibjwfdhnt.exe
3672	hutgwcibjwfdhnt.exe
3672	hutgwcibjwfdhnt.exe
3672	hutgwcibjwfdhnt.exe
3672	hutgwcibjwfdhnt.exe
3672	hutgwcibjwfdhnt.exe
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
2624	lzfoushy.exe
2624	lzfoushy.exe
2624	lzfoushy.exe
2624	lzfoushy.exe
2624	lzfoushy.exe
2624	lzfoushy.exe
2624	lzfoushy.exe
2624	lzfoushy.exe
3672	hutgwcibjwfdhnt.exe
3672	hutgwcibjwfdhnt.exe
4920	phbunynoksuaa.exe
4920	phbunynoksuaa.exe
4920	phbunynoksuaa.exe
4920	phbunynoksuaa.exe
4920	phbunynoksuaa.exe
4920	phbunynoksuaa.exe
4920	phbunynoksuaa.exe
4920	phbunynoksuaa.exe
4920	phbunynoksuaa.exe
4920	phbunynoksuaa.exe
4920	phbunynoksuaa.exe
4920	phbunynoksuaa.exe
3672	hutgwcibjwfdhnt.exe
3672	hutgwcibjwfdhnt.exe
4920	phbunynoksuaa.exe
4920	phbunynoksuaa.exe
4920	phbunynoksuaa.exe
4920	phbunynoksuaa.exe

Suspicious use of FindShellTrayWindow 18 IoCs

Processes:

9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exegnrkfzutmz.exehutgwcibjwfdhnt.exelzfoushy.exephbunynoksuaa.exelzfoushy.exe

pid	process
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
2140	gnrkfzutmz.exe
2140	gnrkfzutmz.exe
2140	gnrkfzutmz.exe
3672	hutgwcibjwfdhnt.exe
3672	hutgwcibjwfdhnt.exe
3672	hutgwcibjwfdhnt.exe
2624	lzfoushy.exe
2624	lzfoushy.exe
2624	lzfoushy.exe
4920	phbunynoksuaa.exe
4920	phbunynoksuaa.exe
4920	phbunynoksuaa.exe
3920	lzfoushy.exe
3920	lzfoushy.exe
3920	lzfoushy.exe

Suspicious use of SendNotifyMessage 18 IoCs

Processes:

9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exegnrkfzutmz.exehutgwcibjwfdhnt.exelzfoushy.exephbunynoksuaa.exelzfoushy.exe

pid	process
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
2140	gnrkfzutmz.exe
2140	gnrkfzutmz.exe
2140	gnrkfzutmz.exe
3672	hutgwcibjwfdhnt.exe
3672	hutgwcibjwfdhnt.exe
3672	hutgwcibjwfdhnt.exe
2624	lzfoushy.exe
2624	lzfoushy.exe
2624	lzfoushy.exe
4920	phbunynoksuaa.exe
4920	phbunynoksuaa.exe
4920	phbunynoksuaa.exe
3920	lzfoushy.exe
3920	lzfoushy.exe
3920	lzfoushy.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

2432 WINWORD.EXE
2432 WINWORD.EXE
2432 WINWORD.EXE
2432 WINWORD.EXE
2432 WINWORD.EXE
2432 WINWORD.EXE
2432 WINWORD.EXE

pid	process
2432	WINWORD.EXE
2432	WINWORD.EXE
2432	WINWORD.EXE
2432	WINWORD.EXE
2432	WINWORD.EXE
2432	WINWORD.EXE
2432	WINWORD.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exehutgwcibjwfdhnt.exegnrkfzutmz.exe

description	pid	process	target process
PID 4740 wrote to memory of 2140	4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe	gnrkfzutmz.exe
PID 4740 wrote to memory of 2140	4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe	gnrkfzutmz.exe
PID 4740 wrote to memory of 2140	4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe	gnrkfzutmz.exe
PID 4740 wrote to memory of 3672	4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe	hutgwcibjwfdhnt.exe
PID 4740 wrote to memory of 3672	4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe	hutgwcibjwfdhnt.exe
PID 4740 wrote to memory of 3672	4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe	hutgwcibjwfdhnt.exe
PID 4740 wrote to memory of 2624	4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe	lzfoushy.exe
PID 4740 wrote to memory of 2624	4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe	lzfoushy.exe
PID 4740 wrote to memory of 2624	4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe	lzfoushy.exe
PID 4740 wrote to memory of 4920	4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe	phbunynoksuaa.exe
PID 4740 wrote to memory of 4920	4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe	phbunynoksuaa.exe
PID 4740 wrote to memory of 4920	4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe	phbunynoksuaa.exe
PID 3672 wrote to memory of 5000	3672	hutgwcibjwfdhnt.exe	cmd.exe
PID 3672 wrote to memory of 5000	3672	hutgwcibjwfdhnt.exe	cmd.exe
PID 3672 wrote to memory of 5000	3672	hutgwcibjwfdhnt.exe	cmd.exe
PID 2140 wrote to memory of 3920	2140	gnrkfzutmz.exe	lzfoushy.exe
PID 2140 wrote to memory of 3920	2140	gnrkfzutmz.exe	lzfoushy.exe
PID 2140 wrote to memory of 3920	2140	gnrkfzutmz.exe	lzfoushy.exe
PID 4740 wrote to memory of 2432	4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe	WINWORD.EXE
PID 4740 wrote to memory of 2432	4740	9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe	WINWORD.EXE

C:\Users\Admin\AppData\Local\Temp\9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe
"C:\Users\Admin\AppData\Local\Temp\9669d6016ea6b09226849a22ae58dce628c2a8d71d88bc618bc56c35200ff5d4.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4740

C:\Windows\SysWOW64\gnrkfzutmz.exe
gnrkfzutmz.exe
2⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Windows security modification
- Enumerates connected drives
- Modifies WinLogon
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2140

C:\Windows\SysWOW64\lzfoushy.exe
C:\Windows\system32\lzfoushy.exe
3⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3920

C:\Windows\SysWOW64\hutgwcibjwfdhnt.exe
hutgwcibjwfdhnt.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3672

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c phbunynoksuaa.exe
3⤵
PID:5000

C:\Windows\SysWOW64\lzfoushy.exe
lzfoushy.exe
2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2624

C:\Windows\SysWOW64\phbunynoksuaa.exe
phbunynoksuaa.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4920

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
2⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2432

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Disabling Security Tools

T1089

Credential Access

Discovery

Query Registry

System Information Discovery