650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4

Modify Registry

Processes:

nmwtrzmvvf.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	nmwtrzmvvf.exe

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

evasion

Hidden Files and Directories

Modify Registry

Processes:

nmwtrzmvvf.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	nmwtrzmvvf.exe

Windows security bypass 2 TTPs 5 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

Processes:

nmwtrzmvvf.exe

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

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

nmwtrzmvvf.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	nmwtrzmvvf.exe

Executes dropped EXE 5 IoCs

Processes:

nmwtrzmvvf.exebitcmyjpnflsbku.exevdhgllrz.exesufucrsvalexm.exevdhgllrz.exe

pid process

4804 nmwtrzmvvf.exe
3200 bitcmyjpnflsbku.exe
1408 vdhgllrz.exe
3060 sufucrsvalexm.exe
3368 vdhgllrz.exe

pid	process
4804	nmwtrzmvvf.exe
3200	bitcmyjpnflsbku.exe
1408	vdhgllrz.exe
3060	sufucrsvalexm.exe
3368	vdhgllrz.exe

UPX packed file 21 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2492-132-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
C:\Windows\SysWOW64\nmwtrzmvvf.exe	upx
C:\Windows\SysWOW64\nmwtrzmvvf.exe	upx
behavioral2/memory/4804-136-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
C:\Windows\SysWOW64\bitcmyjpnflsbku.exe	upx
C:\Windows\SysWOW64\bitcmyjpnflsbku.exe	upx
C:\Windows\SysWOW64\vdhgllrz.exe	upx
C:\Windows\SysWOW64\vdhgllrz.exe	upx
behavioral2/memory/3200-143-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/1408-144-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
C:\Windows\SysWOW64\sufucrsvalexm.exe	upx
C:\Windows\SysWOW64\sufucrsvalexm.exe	upx
behavioral2/memory/3060-148-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/1408-149-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/3060-150-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
C:\Windows\SysWOW64\vdhgllrz.exe	upx
behavioral2/memory/3368-154-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/2492-156-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
behavioral2/memory/3368-162-0x0000000000400000-0x00000000004A0000-memory.dmp	upx
C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe	upx
C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.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:

650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe

Windows security modification 2 TTPs 6 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

Processes:

nmwtrzmvvf.exe

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

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

Processes:

bitcmyjpnflsbku.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ilrlrxlz = "nmwtrzmvvf.exe"	bitcmyjpnflsbku.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\uwtrexot = "bitcmyjpnflsbku.exe"	bitcmyjpnflsbku.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "sufucrsvalexm.exe"	bitcmyjpnflsbku.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	bitcmyjpnflsbku.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:

vdhgllrz.exevdhgllrz.exenmwtrzmvvf.exe

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

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

Processes:

nmwtrzmvvf.exe

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

AutoIT Executable 8 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/memory/4804-136-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/3200-143-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/1408-144-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/1408-149-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/3060-150-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/3368-154-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/2492-156-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe
behavioral2/memory/3368-162-0x0000000000400000-0x00000000004A0000-memory.dmp	autoit_exe

Drops file in System32 directory 9 IoCs

Processes:

650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exenmwtrzmvvf.exe

description	ioc	process
File created	C:\Windows\SysWOW64\nmwtrzmvvf.exe	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
File opened for modification	C:\Windows\SysWOW64\nmwtrzmvvf.exe	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
File opened for modification	C:\Windows\SysWOW64\bitcmyjpnflsbku.exe	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
File created	C:\Windows\SysWOW64\vdhgllrz.exe	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
File opened for modification	C:\Windows\SysWOW64\msvbvm60.dll	nmwtrzmvvf.exe
File created	C:\Windows\SysWOW64\bitcmyjpnflsbku.exe	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
File opened for modification	C:\Windows\SysWOW64\vdhgllrz.exe	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
File created	C:\Windows\SysWOW64\sufucrsvalexm.exe	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
File opened for modification	C:\Windows\SysWOW64\sufucrsvalexm.exe	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe

Drops file in Program Files directory 15 IoCs

Processes:

vdhgllrz.exevdhgllrz.exe

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

Drops file in Windows directory 3 IoCs

Processes:

WINWORD.EXE650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe

description	ioc	process
File created	C:\Windows\~$mydoc.rtf	WINWORD.EXE
File opened for modification	C:\Windows\mydoc.rtf	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
File opened for modification	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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
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

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:

nmwtrzmvvf.exe650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.wsh	nmwtrzmvvf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.WSH\ = "txtfile"	nmwtrzmvvf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.wsf	nmwtrzmvvf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.reg	nmwtrzmvvf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com2 = "6ACEFABDFE10F1E3837D3A3186EA3E91B081028B4364023AE1CC42EB09D6"	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.bat	nmwtrzmvvf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.bat\ = "txtfile"	nmwtrzmvvf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.wsc\ = "txtfile"	nmwtrzmvvf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.reg\ = "txtfile"	nmwtrzmvvf.exe
Key created	\REGISTRY\MACHINE\Software\Classes\CLV.Classes	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com3 = "2EB6B12E47E6399E53B9BAA533E8D4CC"	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.WSF\ = "txtfile"	nmwtrzmvvf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom1 = "E7816BB9FF6621ABD172D1A68A759060"	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.wsc	nmwtrzmvvf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom2 = "1945C70F14E6DBC0B8C17F95ED9137CD"	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.vbs	nmwtrzmvvf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.vbs\ = "txtfile"	nmwtrzmvvf.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com1 = "33342C0C9D5582206D3E77A170542DD87CF164DF"	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com4 = "7F8BFC824826826D9142D65A7E96BC92E133594B67426236D799"	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2308 WINWORD.EXE
2308 WINWORD.EXE

pid	process
2308	WINWORD.EXE
2308	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exenmwtrzmvvf.exebitcmyjpnflsbku.exevdhgllrz.exesufucrsvalexm.exe

pid	process
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
4804	nmwtrzmvvf.exe
4804	nmwtrzmvvf.exe
4804	nmwtrzmvvf.exe
4804	nmwtrzmvvf.exe
4804	nmwtrzmvvf.exe
4804	nmwtrzmvvf.exe
4804	nmwtrzmvvf.exe
4804	nmwtrzmvvf.exe
4804	nmwtrzmvvf.exe
4804	nmwtrzmvvf.exe
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
3200	bitcmyjpnflsbku.exe
3200	bitcmyjpnflsbku.exe
1408	vdhgllrz.exe
1408	vdhgllrz.exe
1408	vdhgllrz.exe
1408	vdhgllrz.exe
1408	vdhgllrz.exe
3200	bitcmyjpnflsbku.exe
1408	vdhgllrz.exe
3200	bitcmyjpnflsbku.exe
1408	vdhgllrz.exe
1408	vdhgllrz.exe
3200	bitcmyjpnflsbku.exe
3200	bitcmyjpnflsbku.exe
3200	bitcmyjpnflsbku.exe
3200	bitcmyjpnflsbku.exe
3200	bitcmyjpnflsbku.exe
3200	bitcmyjpnflsbku.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe

Suspicious use of FindShellTrayWindow 18 IoCs

Processes:

650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exenmwtrzmvvf.exebitcmyjpnflsbku.exevdhgllrz.exesufucrsvalexm.exevdhgllrz.exe

pid	process
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
4804	nmwtrzmvvf.exe
4804	nmwtrzmvvf.exe
4804	nmwtrzmvvf.exe
3200	bitcmyjpnflsbku.exe
3200	bitcmyjpnflsbku.exe
3200	bitcmyjpnflsbku.exe
1408	vdhgllrz.exe
1408	vdhgllrz.exe
1408	vdhgllrz.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3368	vdhgllrz.exe
3368	vdhgllrz.exe
3368	vdhgllrz.exe

Suspicious use of SendNotifyMessage 18 IoCs

Processes:

650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exenmwtrzmvvf.exebitcmyjpnflsbku.exevdhgllrz.exesufucrsvalexm.exevdhgllrz.exe

pid	process
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
4804	nmwtrzmvvf.exe
4804	nmwtrzmvvf.exe
4804	nmwtrzmvvf.exe
3200	bitcmyjpnflsbku.exe
3200	bitcmyjpnflsbku.exe
3200	bitcmyjpnflsbku.exe
1408	vdhgllrz.exe
1408	vdhgllrz.exe
1408	vdhgllrz.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3060	sufucrsvalexm.exe
3368	vdhgllrz.exe
3368	vdhgllrz.exe
3368	vdhgllrz.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

2308 WINWORD.EXE
2308 WINWORD.EXE
2308 WINWORD.EXE
2308 WINWORD.EXE
2308 WINWORD.EXE
2308 WINWORD.EXE
2308 WINWORD.EXE

pid	process
2308	WINWORD.EXE
2308	WINWORD.EXE
2308	WINWORD.EXE
2308	WINWORD.EXE
2308	WINWORD.EXE
2308	WINWORD.EXE
2308	WINWORD.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exebitcmyjpnflsbku.exenmwtrzmvvf.exe

description	pid	process	target process
PID 2492 wrote to memory of 4804	2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe	nmwtrzmvvf.exe
PID 2492 wrote to memory of 4804	2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe	nmwtrzmvvf.exe
PID 2492 wrote to memory of 4804	2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe	nmwtrzmvvf.exe
PID 2492 wrote to memory of 3200	2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe	bitcmyjpnflsbku.exe
PID 2492 wrote to memory of 3200	2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe	bitcmyjpnflsbku.exe
PID 2492 wrote to memory of 3200	2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe	bitcmyjpnflsbku.exe
PID 2492 wrote to memory of 1408	2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe	vdhgllrz.exe
PID 2492 wrote to memory of 1408	2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe	vdhgllrz.exe
PID 2492 wrote to memory of 1408	2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe	vdhgllrz.exe
PID 2492 wrote to memory of 3060	2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe	sufucrsvalexm.exe
PID 2492 wrote to memory of 3060	2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe	sufucrsvalexm.exe
PID 2492 wrote to memory of 3060	2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe	sufucrsvalexm.exe
PID 3200 wrote to memory of 4840	3200	bitcmyjpnflsbku.exe	cmd.exe
PID 3200 wrote to memory of 4840	3200	bitcmyjpnflsbku.exe	cmd.exe
PID 3200 wrote to memory of 4840	3200	bitcmyjpnflsbku.exe	cmd.exe
PID 4804 wrote to memory of 3368	4804	nmwtrzmvvf.exe	vdhgllrz.exe
PID 4804 wrote to memory of 3368	4804	nmwtrzmvvf.exe	vdhgllrz.exe
PID 4804 wrote to memory of 3368	4804	nmwtrzmvvf.exe	vdhgllrz.exe
PID 2492 wrote to memory of 2308	2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe	WINWORD.EXE
PID 2492 wrote to memory of 2308	2492	650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe	WINWORD.EXE

C:\Users\Admin\AppData\Local\Temp\650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.exe
"C:\Users\Admin\AppData\Local\Temp\650383ffc7e7bf7e8de53661c1cf32b240d0411fa2d9b2e14bfeaed523f7bff4.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:2492

C:\Windows\SysWOW64\nmwtrzmvvf.exe
nmwtrzmvvf.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:4804

C:\Windows\SysWOW64\vdhgllrz.exe
C:\Windows\system32\vdhgllrz.exe
3⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3368

C:\Windows\SysWOW64\bitcmyjpnflsbku.exe
bitcmyjpnflsbku.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:3200

C:\Windows\SysWOW64\cmd.exe
cmd.exe /c sufucrsvalexm.exe
3⤵
PID:4840

C:\Windows\SysWOW64\vdhgllrz.exe
vdhgllrz.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:1408

C:\Windows\SysWOW64\sufucrsvalexm.exe
sufucrsvalexm.exe
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3060

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:2308

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