4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de

Modify Registry

Processes:

ddxtndgbnb.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	ddxtndgbnb.exe

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

evasion

Hidden Files and Directories

Modify Registry

Processes:

ddxtndgbnb.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	ddxtndgbnb.exe

Windows security bypass 2 TTPs 5 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

Processes:

ddxtndgbnb.exe

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

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

ddxtndgbnb.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	ddxtndgbnb.exe

Executes dropped EXE 5 IoCs

Processes:

ddxtndgbnb.exezfxnwyxfladgbhy.exeuxbpgqez.exexfvxcrzzpcuuq.exeuxbpgqez.exe

pid process

4316 ddxtndgbnb.exe
3068 zfxnwyxfladgbhy.exe
4808 uxbpgqez.exe
2592 xfvxcrzzpcuuq.exe
5028 uxbpgqez.exe

pid	process
4316	ddxtndgbnb.exe
3068	zfxnwyxfladgbhy.exe
4808	uxbpgqez.exe
2592	xfvxcrzzpcuuq.exe
5028	uxbpgqez.exe

UPX packed file 21 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4376-132-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
C:\Windows\SysWOW64\ddxtndgbnb.exe	upx
C:\Windows\SysWOW64\ddxtndgbnb.exe	upx
C:\Windows\SysWOW64\zfxnwyxfladgbhy.exe	upx
C:\Windows\SysWOW64\zfxnwyxfladgbhy.exe	upx
C:\Windows\SysWOW64\uxbpgqez.exe	upx
C:\Windows\SysWOW64\xfvxcrzzpcuuq.exe	upx
C:\Windows\SysWOW64\xfvxcrzzpcuuq.exe	upx
C:\Windows\SysWOW64\uxbpgqez.exe	upx
behavioral2/memory/4316-145-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/3068-146-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/4808-147-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/2592-148-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
C:\Windows\SysWOW64\uxbpgqez.exe	upx
behavioral2/memory/4376-152-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/5028-153-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/4316-154-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/3068-155-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/4808-156-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/2592-157-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe	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:

4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe

Windows security modification 2 TTPs 6 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

Processes:

ddxtndgbnb.exe

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

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

Processes:

zfxnwyxfladgbhy.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	zfxnwyxfladgbhy.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\iorgreah = "ddxtndgbnb.exe"	zfxnwyxfladgbhy.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ytvjapdb = "zfxnwyxfladgbhy.exe"	zfxnwyxfladgbhy.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "xfvxcrzzpcuuq.exe"	zfxnwyxfladgbhy.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:

ddxtndgbnb.exeuxbpgqez.exeuxbpgqez.exe

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

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

Processes:

ddxtndgbnb.exe

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

AutoIT Executable 10 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/memory/4316-145-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/3068-146-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/4808-147-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/2592-148-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/4376-152-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/5028-153-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/4316-154-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/3068-155-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/4808-156-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/2592-157-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe

Drops file in System32 directory 9 IoCs

Processes:

4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exeddxtndgbnb.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\zfxnwyxfladgbhy.exe	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
File created	C:\Windows\SysWOW64\xfvxcrzzpcuuq.exe	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
File opened for modification	C:\Windows\SysWOW64\ddxtndgbnb.exe	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
File created	C:\Windows\SysWOW64\zfxnwyxfladgbhy.exe	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
File created	C:\Windows\SysWOW64\uxbpgqez.exe	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
File opened for modification	C:\Windows\SysWOW64\uxbpgqez.exe	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
File opened for modification	C:\Windows\SysWOW64\xfvxcrzzpcuuq.exe	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
File opened for modification	C:\Windows\SysWOW64\msvbvm60.dll	ddxtndgbnb.exe
File created	C:\Windows\SysWOW64\ddxtndgbnb.exe	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe

Drops file in Program Files directory 14 IoCs

Processes:

uxbpgqez.exeuxbpgqez.exe

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

Drops file in Windows directory 3 IoCs

Processes:

4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exeWINWORD.EXE

description	ioc	process
File opened for modification	C:\Windows\mydoc.rtf	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.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\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

System Information Discovery

Processes:

WINWORD.EXESearchApp.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
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	SearchApp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	SearchApp.exe

Modifies registry class 21 IoCs

Processes:

4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exeddxtndgbnb.exeSearchApp.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Classes\CLV.Classes	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com1 = "33472C7C9D2182206A3276D470212CDC7D8064DB"	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com4 = "7FF9FFF84F2682199142D65A7EE6BCE7E632594466426244D6EC"	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.bat	ddxtndgbnb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.bat\ = "txtfile"	ddxtndgbnb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.vbs\ = "txtfile"	ddxtndgbnb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.reg\ = "txtfile"	ddxtndgbnb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com3 = "2EB7B05B479738E253C9B9D332E9D4CC"	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.wsh	ddxtndgbnb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.WSF\ = "txtfile"	ddxtndgbnb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.vbs	ddxtndgbnb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom1 = "E7816BC1FF6621DFD172D0D28A789162"	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.wsc\ = "txtfile"	ddxtndgbnb.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings\MuiCache	SearchApp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com2 = "6BBFFAC9FE65F197840C3A3181EC3997B0FA028A4313033EE1CC42E809A3"	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom2 = "1949C77514E4DAB1B8BC7FE4EDE534CB"	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.WSH\ = "txtfile"	ddxtndgbnb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.wsc	ddxtndgbnb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.wsf	ddxtndgbnb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.reg	ddxtndgbnb.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\Local Settings	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4724 WINWORD.EXE
4724 WINWORD.EXE

pid	process
4724	WINWORD.EXE
4724	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exeddxtndgbnb.exezfxnwyxfladgbhy.exeuxbpgqez.exexfvxcrzzpcuuq.exeuxbpgqez.exe

pid	process
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4316	ddxtndgbnb.exe
4316	ddxtndgbnb.exe
4316	ddxtndgbnb.exe
4316	ddxtndgbnb.exe
4316	ddxtndgbnb.exe
4316	ddxtndgbnb.exe
4316	ddxtndgbnb.exe
4316	ddxtndgbnb.exe
3068	zfxnwyxfladgbhy.exe
3068	zfxnwyxfladgbhy.exe
4316	ddxtndgbnb.exe
4316	ddxtndgbnb.exe
3068	zfxnwyxfladgbhy.exe
3068	zfxnwyxfladgbhy.exe
3068	zfxnwyxfladgbhy.exe
3068	zfxnwyxfladgbhy.exe
3068	zfxnwyxfladgbhy.exe
3068	zfxnwyxfladgbhy.exe
4808	uxbpgqez.exe
4808	uxbpgqez.exe
4808	uxbpgqez.exe
4808	uxbpgqez.exe
3068	zfxnwyxfladgbhy.exe
3068	zfxnwyxfladgbhy.exe
4808	uxbpgqez.exe
4808	uxbpgqez.exe
4808	uxbpgqez.exe
4808	uxbpgqez.exe
2592	xfvxcrzzpcuuq.exe
2592	xfvxcrzzpcuuq.exe
2592	xfvxcrzzpcuuq.exe
2592	xfvxcrzzpcuuq.exe
2592	xfvxcrzzpcuuq.exe
2592	xfvxcrzzpcuuq.exe
2592	xfvxcrzzpcuuq.exe
2592	xfvxcrzzpcuuq.exe
2592	xfvxcrzzpcuuq.exe
2592	xfvxcrzzpcuuq.exe
2592	xfvxcrzzpcuuq.exe
2592	xfvxcrzzpcuuq.exe
5028	uxbpgqez.exe
5028	uxbpgqez.exe
5028	uxbpgqez.exe
5028	uxbpgqez.exe
5028	uxbpgqez.exe
5028	uxbpgqez.exe
5028	uxbpgqez.exe
5028	uxbpgqez.exe

Suspicious use of FindShellTrayWindow 18 IoCs

Processes:

4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exeddxtndgbnb.exezfxnwyxfladgbhy.exeuxbpgqez.exexfvxcrzzpcuuq.exeuxbpgqez.exe

pid	process
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4316	ddxtndgbnb.exe
4316	ddxtndgbnb.exe
4316	ddxtndgbnb.exe
3068	zfxnwyxfladgbhy.exe
3068	zfxnwyxfladgbhy.exe
3068	zfxnwyxfladgbhy.exe
4808	uxbpgqez.exe
4808	uxbpgqez.exe
4808	uxbpgqez.exe
2592	xfvxcrzzpcuuq.exe
2592	xfvxcrzzpcuuq.exe
2592	xfvxcrzzpcuuq.exe
5028	uxbpgqez.exe
5028	uxbpgqez.exe
5028	uxbpgqez.exe

Suspicious use of SendNotifyMessage 18 IoCs

Processes:

4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exeddxtndgbnb.exezfxnwyxfladgbhy.exeuxbpgqez.exexfvxcrzzpcuuq.exeuxbpgqez.exe

pid	process
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
4316	ddxtndgbnb.exe
4316	ddxtndgbnb.exe
4316	ddxtndgbnb.exe
3068	zfxnwyxfladgbhy.exe
3068	zfxnwyxfladgbhy.exe
3068	zfxnwyxfladgbhy.exe
4808	uxbpgqez.exe
4808	uxbpgqez.exe
4808	uxbpgqez.exe
2592	xfvxcrzzpcuuq.exe
2592	xfvxcrzzpcuuq.exe
2592	xfvxcrzzpcuuq.exe
5028	uxbpgqez.exe
5028	uxbpgqez.exe
5028	uxbpgqez.exe

Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXESearchApp.exe

pid process

4724 WINWORD.EXE
4724 WINWORD.EXE
4724 WINWORD.EXE
4724 WINWORD.EXE
4724 WINWORD.EXE
4724 WINWORD.EXE
4724 WINWORD.EXE
4236 SearchApp.exe

pid	process
4724	WINWORD.EXE
4724	WINWORD.EXE
4724	WINWORD.EXE
4724	WINWORD.EXE
4724	WINWORD.EXE
4724	WINWORD.EXE
4724	WINWORD.EXE
4236	SearchApp.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exeddxtndgbnb.exe

description	pid	process	target process
PID 4376 wrote to memory of 4316	4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe	ddxtndgbnb.exe
PID 4376 wrote to memory of 4316	4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe	ddxtndgbnb.exe
PID 4376 wrote to memory of 4316	4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe	ddxtndgbnb.exe
PID 4376 wrote to memory of 3068	4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe	zfxnwyxfladgbhy.exe
PID 4376 wrote to memory of 3068	4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe	zfxnwyxfladgbhy.exe
PID 4376 wrote to memory of 3068	4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe	zfxnwyxfladgbhy.exe
PID 4376 wrote to memory of 4808	4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe	uxbpgqez.exe
PID 4376 wrote to memory of 4808	4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe	uxbpgqez.exe
PID 4376 wrote to memory of 4808	4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe	uxbpgqez.exe
PID 4376 wrote to memory of 2592	4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe	xfvxcrzzpcuuq.exe
PID 4376 wrote to memory of 2592	4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe	xfvxcrzzpcuuq.exe
PID 4376 wrote to memory of 2592	4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe	xfvxcrzzpcuuq.exe
PID 4376 wrote to memory of 4724	4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe	WINWORD.EXE
PID 4376 wrote to memory of 4724	4376	4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe	WINWORD.EXE
PID 4316 wrote to memory of 5028	4316	ddxtndgbnb.exe	uxbpgqez.exe
PID 4316 wrote to memory of 5028	4316	ddxtndgbnb.exe	uxbpgqez.exe
PID 4316 wrote to memory of 5028	4316	ddxtndgbnb.exe	uxbpgqez.exe

C:\Users\Admin\AppData\Local\Temp\4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.exe
"C:\Users\Admin\AppData\Local\Temp\4fc362a942b27468efc2c852cacc200952b5f7a170928fa4036900c657d5b4de.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:4376

C:\Windows\SysWOW64\ddxtndgbnb.exe
ddxtndgbnb.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:4316

C:\Windows\SysWOW64\uxbpgqez.exe
C:\Windows\system32\uxbpgqez.exe
3⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:5028

C:\Windows\SysWOW64\zfxnwyxfladgbhy.exe
zfxnwyxfladgbhy.exe
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3068

C:\Windows\SysWOW64\uxbpgqez.exe
uxbpgqez.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:4808

C:\Windows\SysWOW64\xfvxcrzzpcuuq.exe
xfvxcrzzpcuuq.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2592

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:4724

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
- Enumerates system info in registry
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:4236

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery