Analysis
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max time kernel
157s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
29/11/2022, 06:06
Behavioral task
behavioral1
Sample
e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe
Resource
win7-20221111-en
windows7-x64
28 signatures
150 seconds
General
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Target
e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe
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Size
255KB
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MD5
4aac8f3ea665c8c209c00b9a83d73b86
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SHA1
38f53fe393676d4b64c8c35ce777162e3da069e1
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SHA256
e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6
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SHA512
773a1004c3065f17f6101f245243b869d25e067e1a328ca0627ec445b04af0a6f4d1f9060d4292f3d6e3efac1f84d8323126e13a80d1e1133959f09deb6772a5
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SSDEEP
6144:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI62:Plf5j6zCNa0xeE3mH
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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" yvhssuyfel.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" yvhssuyfel.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" yvhssuyfel.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" yvhssuyfel.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" yvhssuyfel.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" yvhssuyfel.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" yvhssuyfel.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" yvhssuyfel.exe -
Executes dropped EXE 5 IoCs
pid Process 4844 yvhssuyfel.exe 5048 mkqdcknxupheprb.exe 4876 hizhiauk.exe 748 xufrbakywzruz.exe 4656 hizhiauk.exe -
resource yara_rule behavioral2/memory/3340-132-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x0002000000022da6-134.dat upx behavioral2/files/0x0004000000022dc1-139.dat upx behavioral2/files/0x0004000000022dc1-137.dat upx behavioral2/files/0x0002000000022da6-135.dat upx behavioral2/files/0x0003000000022dc2-141.dat upx behavioral2/files/0x0003000000022dc2-140.dat upx behavioral2/files/0x0003000000022dc3-143.dat upx behavioral2/files/0x0003000000022dc3-144.dat upx behavioral2/memory/4844-145-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/5048-146-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4876-147-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/748-148-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x0003000000022dc2-150.dat upx behavioral2/memory/4656-152-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/3340-153-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x0002000000009de9-159.dat upx behavioral2/files/0x0002000000022dc5-160.dat upx behavioral2/memory/4844-164-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/5048-165-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4876-166-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/748-167-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4656-168-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x000200000001e6d9-169.dat upx behavioral2/files/0x000200000001e6d9-170.dat upx behavioral2/files/0x000200000001e6d9-171.dat upx behavioral2/files/0x000200000001e6d9-172.dat upx behavioral2/files/0x000200000001e6d9-173.dat upx -
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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.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\FirewallDisableNotify = "1" yvhssuyfel.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" yvhssuyfel.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirstRunDisabled = "1" yvhssuyfel.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" yvhssuyfel.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" yvhssuyfel.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" yvhssuyfel.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run mkqdcknxupheprb.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\vqldnzko = "yvhssuyfel.exe" mkqdcknxupheprb.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\eggzhyna = "mkqdcknxupheprb.exe" mkqdcknxupheprb.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "xufrbakywzruz.exe" mkqdcknxupheprb.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) \??\s: yvhssuyfel.exe File opened (read-only) \??\k: hizhiauk.exe File opened (read-only) \??\p: hizhiauk.exe File opened (read-only) \??\m: hizhiauk.exe File opened (read-only) \??\x: hizhiauk.exe File opened (read-only) \??\l: hizhiauk.exe File opened (read-only) \??\m: hizhiauk.exe File opened (read-only) \??\o: hizhiauk.exe File opened (read-only) \??\h: yvhssuyfel.exe File opened (read-only) \??\b: yvhssuyfel.exe File opened (read-only) \??\j: yvhssuyfel.exe File opened (read-only) \??\g: hizhiauk.exe File opened (read-only) \??\u: hizhiauk.exe File opened (read-only) \??\w: hizhiauk.exe File opened (read-only) \??\z: yvhssuyfel.exe File opened (read-only) \??\e: hizhiauk.exe File opened (read-only) \??\a: hizhiauk.exe File opened (read-only) \??\e: hizhiauk.exe File opened (read-only) \??\y: hizhiauk.exe File opened (read-only) \??\z: hizhiauk.exe File opened (read-only) \??\m: yvhssuyfel.exe File opened (read-only) \??\n: hizhiauk.exe File opened (read-only) \??\s: hizhiauk.exe File opened (read-only) \??\i: hizhiauk.exe File opened (read-only) \??\r: hizhiauk.exe File opened (read-only) \??\e: yvhssuyfel.exe File opened (read-only) \??\k: yvhssuyfel.exe File opened (read-only) \??\w: hizhiauk.exe File opened (read-only) \??\b: hizhiauk.exe File opened (read-only) \??\g: yvhssuyfel.exe File opened (read-only) \??\w: yvhssuyfel.exe File opened (read-only) \??\q: hizhiauk.exe File opened (read-only) \??\f: hizhiauk.exe File opened (read-only) \??\q: hizhiauk.exe File opened (read-only) \??\s: hizhiauk.exe File opened (read-only) \??\l: yvhssuyfel.exe File opened (read-only) \??\f: hizhiauk.exe File opened (read-only) \??\i: hizhiauk.exe File opened (read-only) \??\l: hizhiauk.exe File opened (read-only) \??\r: hizhiauk.exe File opened (read-only) \??\n: hizhiauk.exe File opened (read-only) \??\h: hizhiauk.exe File opened (read-only) \??\t: hizhiauk.exe File opened (read-only) \??\j: hizhiauk.exe File opened (read-only) \??\t: hizhiauk.exe File opened (read-only) \??\u: hizhiauk.exe File opened (read-only) \??\p: yvhssuyfel.exe File opened (read-only) \??\f: yvhssuyfel.exe File opened (read-only) \??\o: yvhssuyfel.exe File opened (read-only) \??\r: yvhssuyfel.exe File opened (read-only) \??\u: yvhssuyfel.exe File opened (read-only) \??\x: yvhssuyfel.exe File opened (read-only) \??\y: yvhssuyfel.exe File opened (read-only) \??\v: hizhiauk.exe File opened (read-only) \??\h: hizhiauk.exe File opened (read-only) \??\i: yvhssuyfel.exe File opened (read-only) \??\t: yvhssuyfel.exe File opened (read-only) \??\n: yvhssuyfel.exe File opened (read-only) \??\b: hizhiauk.exe File opened (read-only) \??\p: hizhiauk.exe File opened (read-only) \??\g: hizhiauk.exe File opened (read-only) \??\x: hizhiauk.exe File opened (read-only) \??\q: yvhssuyfel.exe File opened (read-only) \??\v: yvhssuyfel.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCScan = "0" yvhssuyfel.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCDisable = "4294967197" yvhssuyfel.exe -
AutoIT Executable 11 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/4844-145-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/5048-146-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4876-147-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/748-148-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4656-152-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/3340-153-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4844-164-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/5048-165-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4876-166-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/748-167-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4656-168-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe -
Drops file in System32 directory 12 IoCs
description ioc Process File opened for modification \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe hizhiauk.exe File created C:\Windows\SysWOW64\mkqdcknxupheprb.exe e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe File opened for modification C:\Windows\SysWOW64\mkqdcknxupheprb.exe e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe File created C:\Windows\SysWOW64\xufrbakywzruz.exe e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe File created \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe hizhiauk.exe File opened for modification \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe hizhiauk.exe File opened for modification C:\Windows\SysWOW64\msvbvm60.dll yvhssuyfel.exe File created C:\Windows\SysWOW64\yvhssuyfel.exe e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe File opened for modification C:\Windows\SysWOW64\yvhssuyfel.exe e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe File created C:\Windows\SysWOW64\hizhiauk.exe e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe File opened for modification C:\Windows\SysWOW64\hizhiauk.exe e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe File opened for modification C:\Windows\SysWOW64\xufrbakywzruz.exe e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe -
Drops file in Program Files directory 15 IoCs
description ioc Process File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe hizhiauk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe hizhiauk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal hizhiauk.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe hizhiauk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe hizhiauk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal hizhiauk.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe hizhiauk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe hizhiauk.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe hizhiauk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe hizhiauk.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe hizhiauk.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe hizhiauk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal hizhiauk.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe hizhiauk.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal hizhiauk.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\mydoc.rtf WINWORD.EXE File created C:\Windows\~$mydoc.rtf WINWORD.EXE File opened for modification C:\Windows\mydoc.rtf e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com1 = "32352D7E9C2182256D3F77D5772F2CD87DF464AC" e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsh yvhssuyfel.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.vbs\ = "txtfile" yvhssuyfel.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.reg\ = "txtfile" yvhssuyfel.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com3 = "2FC3B15844E439EA53BEBAD333E9D7CD" e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.bat\ = "txtfile" yvhssuyfel.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.WSH\ = "txtfile" yvhssuyfel.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.wsc\ = "txtfile" yvhssuyfel.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.vbs yvhssuyfel.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsf yvhssuyfel.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com4 = "7FF9FC82482682139141D75F7DE5BCE4E635583666456244D69E" e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom1 = "E0F768B4FE6821DCD27ED1A48A0B9165" e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom2 = "1845C60F15E5DBB1B8CC7F92ED9034C8" e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.bat yvhssuyfel.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsc yvhssuyfel.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com2 = "6AB8FABFFE17F1E283083B4A86EE3E99B38A038D4360033CE2CE459B08A8" e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.WSF\ = "txtfile" yvhssuyfel.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.reg yvhssuyfel.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 4268 WINWORD.EXE 4268 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 4844 yvhssuyfel.exe 4844 yvhssuyfel.exe 4844 yvhssuyfel.exe 4844 yvhssuyfel.exe 4844 yvhssuyfel.exe 4844 yvhssuyfel.exe 4844 yvhssuyfel.exe 4844 yvhssuyfel.exe 4844 yvhssuyfel.exe 4844 yvhssuyfel.exe 4876 hizhiauk.exe 4876 hizhiauk.exe 4876 hizhiauk.exe 4876 hizhiauk.exe 4876 hizhiauk.exe 4876 hizhiauk.exe 4876 hizhiauk.exe 4876 hizhiauk.exe 5048 mkqdcknxupheprb.exe 5048 mkqdcknxupheprb.exe 5048 mkqdcknxupheprb.exe 5048 mkqdcknxupheprb.exe 5048 mkqdcknxupheprb.exe 5048 mkqdcknxupheprb.exe 5048 mkqdcknxupheprb.exe 5048 mkqdcknxupheprb.exe 748 xufrbakywzruz.exe 748 xufrbakywzruz.exe 748 xufrbakywzruz.exe 748 xufrbakywzruz.exe 748 xufrbakywzruz.exe 748 xufrbakywzruz.exe 748 xufrbakywzruz.exe 748 xufrbakywzruz.exe 748 xufrbakywzruz.exe 748 xufrbakywzruz.exe 748 xufrbakywzruz.exe 748 xufrbakywzruz.exe 5048 mkqdcknxupheprb.exe 5048 mkqdcknxupheprb.exe 5048 mkqdcknxupheprb.exe 5048 mkqdcknxupheprb.exe 748 xufrbakywzruz.exe 748 xufrbakywzruz.exe 748 xufrbakywzruz.exe 748 xufrbakywzruz.exe 5048 mkqdcknxupheprb.exe 5048 mkqdcknxupheprb.exe -
Suspicious use of FindShellTrayWindow 18 IoCs
pid Process 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 4844 yvhssuyfel.exe 4844 yvhssuyfel.exe 4844 yvhssuyfel.exe 5048 mkqdcknxupheprb.exe 4876 hizhiauk.exe 5048 mkqdcknxupheprb.exe 4876 hizhiauk.exe 4876 hizhiauk.exe 5048 mkqdcknxupheprb.exe 748 xufrbakywzruz.exe 748 xufrbakywzruz.exe 748 xufrbakywzruz.exe 4656 hizhiauk.exe 4656 hizhiauk.exe 4656 hizhiauk.exe -
Suspicious use of SendNotifyMessage 18 IoCs
pid Process 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 4844 yvhssuyfel.exe 4844 yvhssuyfel.exe 4844 yvhssuyfel.exe 5048 mkqdcknxupheprb.exe 4876 hizhiauk.exe 5048 mkqdcknxupheprb.exe 4876 hizhiauk.exe 4876 hizhiauk.exe 5048 mkqdcknxupheprb.exe 748 xufrbakywzruz.exe 748 xufrbakywzruz.exe 748 xufrbakywzruz.exe 4656 hizhiauk.exe 4656 hizhiauk.exe 4656 hizhiauk.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 4268 WINWORD.EXE 4268 WINWORD.EXE 4268 WINWORD.EXE 4268 WINWORD.EXE 4268 WINWORD.EXE 4268 WINWORD.EXE 4268 WINWORD.EXE -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 3340 wrote to memory of 4844 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 80 PID 3340 wrote to memory of 4844 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 80 PID 3340 wrote to memory of 4844 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 80 PID 3340 wrote to memory of 5048 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 81 PID 3340 wrote to memory of 5048 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 81 PID 3340 wrote to memory of 5048 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 81 PID 3340 wrote to memory of 4876 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 82 PID 3340 wrote to memory of 4876 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 82 PID 3340 wrote to memory of 4876 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 82 PID 3340 wrote to memory of 748 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 83 PID 3340 wrote to memory of 748 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 83 PID 3340 wrote to memory of 748 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 83 PID 4844 wrote to memory of 4656 4844 yvhssuyfel.exe 84 PID 4844 wrote to memory of 4656 4844 yvhssuyfel.exe 84 PID 4844 wrote to memory of 4656 4844 yvhssuyfel.exe 84 PID 3340 wrote to memory of 4268 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 85 PID 3340 wrote to memory of 4268 3340 e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.exe"C:\Users\Admin\AppData\Local\Temp\e3cb02b52cab28bba3f4dd61fa9f05901504b34a83e62bd49d9dff60bb32a1b6.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:3340 -
C:\Windows\SysWOW64\yvhssuyfel.exeyvhssuyfel.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:4844 -
C:\Windows\SysWOW64\hizhiauk.exeC:\Windows\system32\hizhiauk.exe3⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4656
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C:\Windows\SysWOW64\mkqdcknxupheprb.exemkqdcknxupheprb.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:5048
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C:\Windows\SysWOW64\hizhiauk.exehizhiauk.exe2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4876
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C:\Windows\SysWOW64\xufrbakywzruz.exexufrbakywzruz.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:748
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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:4268
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Network
MITRE ATT&CK Enterprise v6
Persistence
Hidden Files and Directories
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Disabling Security Tools
2Hidden Files and Directories
2Modify Registry
6Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
255KB
MD5df21a1ce993d3cb035cf2b937f14180f
SHA1a9a87487fcb95cd3a30935a446709c8aca9eaea1
SHA256febcacc42ba52f907363ea695df80cd8f59e8891ba3230adc99baf554eb1a313
SHA512a815122272bf433c65cd50d216972b9488d55b97045879d1e70521e36f7a3f7c0ed30ba07f8c3efcbaf5abe64452d4899082703273e640ee23d9c9296f068c3f
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Filesize
255KB
MD55562431d018c33aa83e547cd710e90be
SHA1556867bf3549704097649b6c8f6c82e751f7333e
SHA2564c35bb604e28bcadd77ca4d9ca558449cadc39eeacfd00d356684e67a0d64332
SHA512d1ffe089175055c06de7b594060fa56b97b968dacf67fe81cc3118fa0179b28b973ee010a804ada44af9350591761a133ce3388cb9e38221be4802b4a8c655de
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Filesize
255KB
MD55562431d018c33aa83e547cd710e90be
SHA1556867bf3549704097649b6c8f6c82e751f7333e
SHA2564c35bb604e28bcadd77ca4d9ca558449cadc39eeacfd00d356684e67a0d64332
SHA512d1ffe089175055c06de7b594060fa56b97b968dacf67fe81cc3118fa0179b28b973ee010a804ada44af9350591761a133ce3388cb9e38221be4802b4a8c655de
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Filesize
255KB
MD55562431d018c33aa83e547cd710e90be
SHA1556867bf3549704097649b6c8f6c82e751f7333e
SHA2564c35bb604e28bcadd77ca4d9ca558449cadc39eeacfd00d356684e67a0d64332
SHA512d1ffe089175055c06de7b594060fa56b97b968dacf67fe81cc3118fa0179b28b973ee010a804ada44af9350591761a133ce3388cb9e38221be4802b4a8c655de
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Filesize
255KB
MD5a97fbdc2cc10311471fdc7083aeb40e3
SHA1a5df08cfcf120d18f9b4a3b82069c7e3cd00249d
SHA25607f4e52327606d9475458c5c21a2e870d68613b34c68e669baa1fa3a40e04aca
SHA512f679d337bbbde4373faeaf37a198ac8793c5231e7bce65ec2682fac07a7614a4ceec9a586bfcb3bdde697a9c10086562f3db43af8a1799b727e15e6e99a256b1
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Filesize
255KB
MD5a97fbdc2cc10311471fdc7083aeb40e3
SHA1a5df08cfcf120d18f9b4a3b82069c7e3cd00249d
SHA25607f4e52327606d9475458c5c21a2e870d68613b34c68e669baa1fa3a40e04aca
SHA512f679d337bbbde4373faeaf37a198ac8793c5231e7bce65ec2682fac07a7614a4ceec9a586bfcb3bdde697a9c10086562f3db43af8a1799b727e15e6e99a256b1
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Filesize
255KB
MD5caede32bb168218ee746232da2ac41e2
SHA1728f696b65acc4eba5b011c558047f67c69447d1
SHA256e377e1f383930b17283837b29b1551d726e62dd08775e5316c352884bb30d6d4
SHA512fc42a6cfcd541a9fb7e82aea31f829294318a229d5dbf6c279a95a8363718a30a7e89f28dcb6781d51070f8557f1f6bfd4bd364da5db0c4f914fbfeeeb30cb8c
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Filesize
255KB
MD5caede32bb168218ee746232da2ac41e2
SHA1728f696b65acc4eba5b011c558047f67c69447d1
SHA256e377e1f383930b17283837b29b1551d726e62dd08775e5316c352884bb30d6d4
SHA512fc42a6cfcd541a9fb7e82aea31f829294318a229d5dbf6c279a95a8363718a30a7e89f28dcb6781d51070f8557f1f6bfd4bd364da5db0c4f914fbfeeeb30cb8c
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Filesize
255KB
MD52ea676212c83a742d788c11a569c2c17
SHA1e9660a9ac0ef8a35b75345dd09f0627e546da1c6
SHA2565c711a4065c166c7ed4f13bfb83ac33ea600133e95700bc75952a9a7da9761c0
SHA5123038994359f325c2fd44c417e584d34d822b3815dbcb03a247b474739a1f56f61ea7eb09c6c45ec4a664732eb706ff8dce601863791f03194cd5d64b355eb5ab
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Filesize
255KB
MD52ea676212c83a742d788c11a569c2c17
SHA1e9660a9ac0ef8a35b75345dd09f0627e546da1c6
SHA2565c711a4065c166c7ed4f13bfb83ac33ea600133e95700bc75952a9a7da9761c0
SHA5123038994359f325c2fd44c417e584d34d822b3815dbcb03a247b474739a1f56f61ea7eb09c6c45ec4a664732eb706ff8dce601863791f03194cd5d64b355eb5ab
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Filesize
223B
MD506604e5941c126e2e7be02c5cd9f62ec
SHA14eb9fdf8ff4e1e539236002bd363b82c8f8930e1
SHA25685f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2
SHA512803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7
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Filesize
255KB
MD5009d6dea278c0db92fe2919e042e46dd
SHA1f2aad61915db36c0ce4833cd57bc876220c71395
SHA256fa8dfade2734d354b0ad54f5c6994527ecf4042d6fc5f5bad8b172b0618e0b58
SHA512f8275ec1150193b75fd569270635717b0005bff093ed8d0e17995d69fe3a1b068cb9e7a01cadc4010faee8fbc4c8a42456c4068cffde16a468b238c3b269e2fc
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Filesize
255KB
MD513a2af8db7ed113f28160e10b98163ae
SHA152ab2e9b51028d89b174e4c3c3e1d0ca7fc097d5
SHA2565cfc58cf8467db3770f59823ff0bae7c5610e2de6a17e7875969a6ce3adcbb34
SHA512b4cd9dbbc082d119988c24496f7f530b0879f75ad3bcc7a636ff5435c98668792c8e03e2ddaac725cb0720b55eb7b20ef1180bb81df1396366461c45b0186f35
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Filesize
255KB
MD513a2af8db7ed113f28160e10b98163ae
SHA152ab2e9b51028d89b174e4c3c3e1d0ca7fc097d5
SHA2565cfc58cf8467db3770f59823ff0bae7c5610e2de6a17e7875969a6ce3adcbb34
SHA512b4cd9dbbc082d119988c24496f7f530b0879f75ad3bcc7a636ff5435c98668792c8e03e2ddaac725cb0720b55eb7b20ef1180bb81df1396366461c45b0186f35
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Filesize
255KB
MD513a2af8db7ed113f28160e10b98163ae
SHA152ab2e9b51028d89b174e4c3c3e1d0ca7fc097d5
SHA2565cfc58cf8467db3770f59823ff0bae7c5610e2de6a17e7875969a6ce3adcbb34
SHA512b4cd9dbbc082d119988c24496f7f530b0879f75ad3bcc7a636ff5435c98668792c8e03e2ddaac725cb0720b55eb7b20ef1180bb81df1396366461c45b0186f35
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Filesize
255KB
MD5c1891816af074a697dbdba37f4e2c066
SHA1f823b60676d24891d38a1f6e78bf539cdc322ef1
SHA256d2e64b348af25f99eb35584ef1d603ca6ed40a8d3a379829175696fec8372ed1
SHA51236c78b03afd01a40acbdf6e2032fa7394f649dd6fc4e8e3ff2f5d0c454d427ef68d0a868e820cce92c27b52d0204cd6f70f24e25183285b93c379c894a1e8e2e
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Filesize
255KB
MD5c1891816af074a697dbdba37f4e2c066
SHA1f823b60676d24891d38a1f6e78bf539cdc322ef1
SHA256d2e64b348af25f99eb35584ef1d603ca6ed40a8d3a379829175696fec8372ed1
SHA51236c78b03afd01a40acbdf6e2032fa7394f649dd6fc4e8e3ff2f5d0c454d427ef68d0a868e820cce92c27b52d0204cd6f70f24e25183285b93c379c894a1e8e2e