Analysis
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max time kernel
152s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
07/01/2024, 19:37
Static task
static1
Behavioral task
behavioral1
Sample
a91ea79a692b6b7cdda92c6a588386f8.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
a91ea79a692b6b7cdda92c6a588386f8.exe
Resource
win10v2004-20231215-en
General
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Target
a91ea79a692b6b7cdda92c6a588386f8.exe
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Size
512KB
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MD5
a91ea79a692b6b7cdda92c6a588386f8
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SHA1
d1acc93a5257f3c64bbec46bc923c66f78fc8353
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SHA256
d86d042c8681af6deee373b23f0dc4b3cdcfe4775aa73da1975a7f9ae733fa3a
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SHA512
9b440dc43a8a8c8fe82c3f2978b25af7f21fb24f21980fcdf93959d191cd562f917437c44052abb8ce2d153b56234dd4722f237f1fb7bf0223e7994a3dfff905
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SSDEEP
6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6K:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5h
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" holcfrgjhz.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" holcfrgjhz.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" holcfrgjhz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" holcfrgjhz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" holcfrgjhz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" holcfrgjhz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" holcfrgjhz.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" holcfrgjhz.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation a91ea79a692b6b7cdda92c6a588386f8.exe -
Executes dropped EXE 5 IoCs
pid Process 5092 holcfrgjhz.exe 1044 byyewlcsjyikndl.exe 1612 qhubutnh.exe 456 bnrsoiydnqglt.exe 2304 qhubutnh.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" holcfrgjhz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" holcfrgjhz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" holcfrgjhz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" holcfrgjhz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirstRunDisabled = "1" holcfrgjhz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" holcfrgjhz.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wstqftpa = "holcfrgjhz.exe" byyewlcsjyikndl.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\bgzedeah = "byyewlcsjyikndl.exe" byyewlcsjyikndl.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "bnrsoiydnqglt.exe" byyewlcsjyikndl.exe -
Enumerates connected drives 3 TTPs 64 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\i: holcfrgjhz.exe File opened (read-only) \??\n: holcfrgjhz.exe File opened (read-only) \??\v: qhubutnh.exe File opened (read-only) \??\h: holcfrgjhz.exe File opened (read-only) \??\w: qhubutnh.exe File opened (read-only) \??\r: qhubutnh.exe File opened (read-only) \??\u: qhubutnh.exe File opened (read-only) \??\t: qhubutnh.exe File opened (read-only) \??\x: qhubutnh.exe File opened (read-only) \??\g: qhubutnh.exe File opened (read-only) \??\b: holcfrgjhz.exe File opened (read-only) \??\s: holcfrgjhz.exe File opened (read-only) \??\u: holcfrgjhz.exe File opened (read-only) \??\v: holcfrgjhz.exe File opened (read-only) \??\g: qhubutnh.exe File opened (read-only) \??\m: qhubutnh.exe File opened (read-only) \??\v: qhubutnh.exe File opened (read-only) \??\q: qhubutnh.exe File opened (read-only) \??\i: qhubutnh.exe File opened (read-only) \??\u: qhubutnh.exe File opened (read-only) \??\e: qhubutnh.exe File opened (read-only) \??\i: qhubutnh.exe File opened (read-only) \??\m: qhubutnh.exe File opened (read-only) \??\s: qhubutnh.exe File opened (read-only) \??\z: qhubutnh.exe File opened (read-only) \??\a: qhubutnh.exe File opened (read-only) \??\h: qhubutnh.exe File opened (read-only) \??\s: qhubutnh.exe File opened (read-only) \??\h: qhubutnh.exe File opened (read-only) \??\r: holcfrgjhz.exe File opened (read-only) \??\z: qhubutnh.exe File opened (read-only) \??\n: qhubutnh.exe File opened (read-only) \??\k: qhubutnh.exe File opened (read-only) \??\j: qhubutnh.exe File opened (read-only) \??\x: holcfrgjhz.exe File opened (read-only) \??\e: qhubutnh.exe File opened (read-only) \??\n: qhubutnh.exe File opened (read-only) \??\p: holcfrgjhz.exe File opened (read-only) \??\l: holcfrgjhz.exe File opened (read-only) \??\t: holcfrgjhz.exe File opened (read-only) \??\g: holcfrgjhz.exe File opened (read-only) \??\q: holcfrgjhz.exe File opened (read-only) \??\w: holcfrgjhz.exe File opened (read-only) \??\j: qhubutnh.exe File opened (read-only) \??\r: qhubutnh.exe File opened (read-only) \??\a: qhubutnh.exe File opened (read-only) \??\z: holcfrgjhz.exe File opened (read-only) \??\y: qhubutnh.exe File opened (read-only) \??\a: holcfrgjhz.exe File opened (read-only) \??\j: holcfrgjhz.exe File opened (read-only) \??\o: holcfrgjhz.exe File opened (read-only) \??\b: qhubutnh.exe File opened (read-only) \??\k: qhubutnh.exe File opened (read-only) \??\l: qhubutnh.exe File opened (read-only) \??\p: qhubutnh.exe File opened (read-only) \??\t: qhubutnh.exe File opened (read-only) \??\o: qhubutnh.exe File opened (read-only) \??\p: qhubutnh.exe File opened (read-only) \??\y: qhubutnh.exe File opened (read-only) \??\m: holcfrgjhz.exe File opened (read-only) \??\q: qhubutnh.exe File opened (read-only) \??\w: qhubutnh.exe File opened (read-only) \??\b: qhubutnh.exe File opened (read-only) \??\k: holcfrgjhz.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCScan = "0" holcfrgjhz.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCDisable = "4294967197" holcfrgjhz.exe -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/1120-0-0x0000000000400000-0x0000000000496000-memory.dmp autoit_exe -
Drops file in System32 directory 9 IoCs
description ioc Process File created C:\Windows\SysWOW64\holcfrgjhz.exe a91ea79a692b6b7cdda92c6a588386f8.exe File opened for modification C:\Windows\SysWOW64\holcfrgjhz.exe a91ea79a692b6b7cdda92c6a588386f8.exe File created C:\Windows\SysWOW64\byyewlcsjyikndl.exe a91ea79a692b6b7cdda92c6a588386f8.exe File opened for modification C:\Windows\SysWOW64\byyewlcsjyikndl.exe a91ea79a692b6b7cdda92c6a588386f8.exe File opened for modification C:\Windows\SysWOW64\qhubutnh.exe a91ea79a692b6b7cdda92c6a588386f8.exe File created C:\Windows\SysWOW64\qhubutnh.exe a91ea79a692b6b7cdda92c6a588386f8.exe File created C:\Windows\SysWOW64\bnrsoiydnqglt.exe a91ea79a692b6b7cdda92c6a588386f8.exe File opened for modification C:\Windows\SysWOW64\bnrsoiydnqglt.exe a91ea79a692b6b7cdda92c6a588386f8.exe File opened for modification C:\Windows\SysWOW64\msvbvm60.dll holcfrgjhz.exe -
Drops file in Program Files directory 14 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal qhubutnh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal qhubutnh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal qhubutnh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe qhubutnh.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe qhubutnh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe qhubutnh.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe qhubutnh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe qhubutnh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal qhubutnh.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe qhubutnh.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe qhubutnh.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe qhubutnh.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe qhubutnh.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe qhubutnh.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\mydoc.rtf a91ea79a692b6b7cdda92c6a588386f8.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).
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
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
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
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\CLV.Classes a91ea79a692b6b7cdda92c6a588386f8.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.bat holcfrgjhz.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000_Classes\Local Settings a91ea79a692b6b7cdda92c6a588386f8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom2 = "1839C60F1491DABEB8C07CE1ED9F34BA" a91ea79a692b6b7cdda92c6a588386f8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.bat\ = "txtfile" holcfrgjhz.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.vbs\ = "txtfile" holcfrgjhz.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom1 = "E0F668B6FF1B22D9D209D1D18B79916B" a91ea79a692b6b7cdda92c6a588386f8.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsh holcfrgjhz.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.wsc\ = "txtfile" holcfrgjhz.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsf holcfrgjhz.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com1 = "33322C779C2583256A4377D270212CAD7D8665AA" a91ea79a692b6b7cdda92c6a588386f8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com2 = "6ACEF9BDFE64F1E5840C3B3686983E92B0FC03FD43610332E1BF429D08A6" a91ea79a692b6b7cdda92c6a588386f8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com3 = "2ECAB15B4492399952CBB9D6329BD7CE" a91ea79a692b6b7cdda92c6a588386f8.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com4 = "7E88FF894F5D82129137D72E7E9CBD90E13C584667406332D690" a91ea79a692b6b7cdda92c6a588386f8.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.vbs holcfrgjhz.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.reg holcfrgjhz.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.reg\ = "txtfile" holcfrgjhz.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.WSH\ = "txtfile" holcfrgjhz.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsc holcfrgjhz.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.WSF\ = "txtfile" holcfrgjhz.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 3748 WINWORD.EXE 3748 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 5092 holcfrgjhz.exe 5092 holcfrgjhz.exe 5092 holcfrgjhz.exe 5092 holcfrgjhz.exe 5092 holcfrgjhz.exe 5092 holcfrgjhz.exe 5092 holcfrgjhz.exe 5092 holcfrgjhz.exe 5092 holcfrgjhz.exe 5092 holcfrgjhz.exe 1044 byyewlcsjyikndl.exe 1044 byyewlcsjyikndl.exe 1044 byyewlcsjyikndl.exe 1044 byyewlcsjyikndl.exe 1044 byyewlcsjyikndl.exe 1044 byyewlcsjyikndl.exe 1044 byyewlcsjyikndl.exe 1044 byyewlcsjyikndl.exe 456 bnrsoiydnqglt.exe 456 bnrsoiydnqglt.exe 456 bnrsoiydnqglt.exe 456 bnrsoiydnqglt.exe 456 bnrsoiydnqglt.exe 456 bnrsoiydnqglt.exe 456 bnrsoiydnqglt.exe 456 bnrsoiydnqglt.exe 456 bnrsoiydnqglt.exe 456 bnrsoiydnqglt.exe 456 bnrsoiydnqglt.exe 456 bnrsoiydnqglt.exe 1044 byyewlcsjyikndl.exe 1044 byyewlcsjyikndl.exe 1612 qhubutnh.exe 1612 qhubutnh.exe 1612 qhubutnh.exe 1612 qhubutnh.exe 1612 qhubutnh.exe 1612 qhubutnh.exe 1612 qhubutnh.exe 1612 qhubutnh.exe 2304 qhubutnh.exe 2304 qhubutnh.exe 2304 qhubutnh.exe 2304 qhubutnh.exe 2304 qhubutnh.exe 2304 qhubutnh.exe 2304 qhubutnh.exe 2304 qhubutnh.exe -
Suspicious use of FindShellTrayWindow 18 IoCs
pid Process 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 5092 holcfrgjhz.exe 5092 holcfrgjhz.exe 5092 holcfrgjhz.exe 1044 byyewlcsjyikndl.exe 1044 byyewlcsjyikndl.exe 1044 byyewlcsjyikndl.exe 456 bnrsoiydnqglt.exe 1612 qhubutnh.exe 456 bnrsoiydnqglt.exe 1612 qhubutnh.exe 456 bnrsoiydnqglt.exe 1612 qhubutnh.exe 2304 qhubutnh.exe 2304 qhubutnh.exe 2304 qhubutnh.exe -
Suspicious use of SendNotifyMessage 18 IoCs
pid Process 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 5092 holcfrgjhz.exe 5092 holcfrgjhz.exe 5092 holcfrgjhz.exe 1044 byyewlcsjyikndl.exe 1044 byyewlcsjyikndl.exe 1044 byyewlcsjyikndl.exe 456 bnrsoiydnqglt.exe 1612 qhubutnh.exe 456 bnrsoiydnqglt.exe 1612 qhubutnh.exe 456 bnrsoiydnqglt.exe 1612 qhubutnh.exe 2304 qhubutnh.exe 2304 qhubutnh.exe 2304 qhubutnh.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 3748 WINWORD.EXE 3748 WINWORD.EXE 3748 WINWORD.EXE 3748 WINWORD.EXE 3748 WINWORD.EXE 3748 WINWORD.EXE 3748 WINWORD.EXE -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1120 wrote to memory of 5092 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 91 PID 1120 wrote to memory of 5092 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 91 PID 1120 wrote to memory of 5092 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 91 PID 1120 wrote to memory of 1044 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 94 PID 1120 wrote to memory of 1044 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 94 PID 1120 wrote to memory of 1044 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 94 PID 1120 wrote to memory of 1612 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 92 PID 1120 wrote to memory of 1612 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 92 PID 1120 wrote to memory of 1612 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 92 PID 1120 wrote to memory of 456 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 93 PID 1120 wrote to memory of 456 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 93 PID 1120 wrote to memory of 456 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 93 PID 1120 wrote to memory of 3748 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 95 PID 1120 wrote to memory of 3748 1120 a91ea79a692b6b7cdda92c6a588386f8.exe 95 PID 5092 wrote to memory of 2304 5092 holcfrgjhz.exe 97 PID 5092 wrote to memory of 2304 5092 holcfrgjhz.exe 97 PID 5092 wrote to memory of 2304 5092 holcfrgjhz.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\a91ea79a692b6b7cdda92c6a588386f8.exe"C:\Users\Admin\AppData\Local\Temp\a91ea79a692b6b7cdda92c6a588386f8.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:1120 -
C:\Windows\SysWOW64\holcfrgjhz.exeholcfrgjhz.exe2⤵
- 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:5092 -
C:\Windows\SysWOW64\qhubutnh.exeC:\Windows\system32\qhubutnh.exe3⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2304
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C:\Windows\SysWOW64\qhubutnh.exeqhubutnh.exe2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1612
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C:\Windows\SysWOW64\bnrsoiydnqglt.exebnrsoiydnqglt.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:456
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C:\Windows\SysWOW64\byyewlcsjyikndl.exebyyewlcsjyikndl.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1044
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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:3748
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
2Disable or Modify Tools
2Modify Registry
6