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Analysis
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max time kernel
152s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
29/10/2022, 16:43
Behavioral task
behavioral1
Sample
b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe
Resource
win7-20220812-en
windows7-x64
26 signatures
150 seconds
General
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Target
b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe
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Size
255KB
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MD5
83c2b73606debabb6f5b481d5df39bd5
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SHA1
6de359d76cf3fcfaeb01bb048003e676e97e44fa
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SHA256
b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd
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SHA512
943ec96e5c15afd5fdcaf1e169a890ef7c4897649fc9150c98dd736473301b76d21952e149fcdc8ff644e94ca0fad07f4af2d306a5ae01e3650987137e08e085
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SSDEEP
3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJR:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIs
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" rmgvafhusu.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" rmgvafhusu.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" rmgvafhusu.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" rmgvafhusu.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" rmgvafhusu.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" rmgvafhusu.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" rmgvafhusu.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" rmgvafhusu.exe -
Executes dropped EXE 5 IoCs
pid Process 4592 rmgvafhusu.exe 5008 fpfoalhyitciafy.exe 1664 gufhrcib.exe 4588 qdktwhbtmpzmi.exe 4376 gufhrcib.exe -
resource yara_rule behavioral2/memory/4912-132-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x0004000000022dcd-135.dat upx behavioral2/files/0x0004000000022dcd-134.dat upx behavioral2/files/0x0003000000022de9-137.dat upx behavioral2/files/0x0003000000022de9-138.dat upx behavioral2/files/0x0003000000022dea-140.dat upx behavioral2/files/0x0003000000022dea-141.dat upx behavioral2/files/0x0002000000022def-143.dat upx behavioral2/files/0x0002000000022def-144.dat upx behavioral2/memory/4592-145-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/5008-146-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/1664-147-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4588-148-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x0003000000022dea-150.dat upx behavioral2/memory/4912-152-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4376-153-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x0002000000022df3-159.dat upx behavioral2/memory/4592-163-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/5008-164-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/1664-165-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4588-166-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4376-167-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x000400000001e6d9-168.dat upx behavioral2/files/0x000400000001e6d9-169.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 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.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" rmgvafhusu.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" rmgvafhusu.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirstRunDisabled = "1" rmgvafhusu.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" rmgvafhusu.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" rmgvafhusu.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" rmgvafhusu.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run fpfoalhyitciafy.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hgomjznc = "rmgvafhusu.exe" fpfoalhyitciafy.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\hedxvygc = "fpfoalhyitciafy.exe" fpfoalhyitciafy.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "qdktwhbtmpzmi.exe" fpfoalhyitciafy.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) \??\e: gufhrcib.exe File opened (read-only) \??\i: gufhrcib.exe File opened (read-only) \??\t: gufhrcib.exe File opened (read-only) \??\p: rmgvafhusu.exe File opened (read-only) \??\y: rmgvafhusu.exe File opened (read-only) \??\z: rmgvafhusu.exe File opened (read-only) \??\u: gufhrcib.exe File opened (read-only) \??\f: rmgvafhusu.exe File opened (read-only) \??\j: rmgvafhusu.exe File opened (read-only) \??\s: gufhrcib.exe File opened (read-only) \??\y: gufhrcib.exe File opened (read-only) \??\a: rmgvafhusu.exe File opened (read-only) \??\j: gufhrcib.exe File opened (read-only) \??\u: gufhrcib.exe File opened (read-only) \??\q: rmgvafhusu.exe File opened (read-only) \??\q: gufhrcib.exe File opened (read-only) \??\a: gufhrcib.exe File opened (read-only) \??\s: gufhrcib.exe File opened (read-only) \??\e: gufhrcib.exe File opened (read-only) \??\g: gufhrcib.exe File opened (read-only) \??\m: gufhrcib.exe File opened (read-only) \??\k: gufhrcib.exe File opened (read-only) \??\r: gufhrcib.exe File opened (read-only) \??\h: rmgvafhusu.exe File opened (read-only) \??\x: rmgvafhusu.exe File opened (read-only) \??\j: gufhrcib.exe File opened (read-only) \??\l: gufhrcib.exe File opened (read-only) \??\x: gufhrcib.exe File opened (read-only) \??\l: rmgvafhusu.exe File opened (read-only) \??\b: gufhrcib.exe File opened (read-only) \??\h: gufhrcib.exe File opened (read-only) \??\o: gufhrcib.exe File opened (read-only) \??\w: gufhrcib.exe File opened (read-only) \??\n: rmgvafhusu.exe File opened (read-only) \??\o: rmgvafhusu.exe File opened (read-only) \??\r: rmgvafhusu.exe File opened (read-only) \??\l: gufhrcib.exe File opened (read-only) \??\w: rmgvafhusu.exe File opened (read-only) \??\i: gufhrcib.exe File opened (read-only) \??\o: gufhrcib.exe File opened (read-only) \??\p: gufhrcib.exe File opened (read-only) \??\g: rmgvafhusu.exe File opened (read-only) \??\m: rmgvafhusu.exe File opened (read-only) \??\y: gufhrcib.exe File opened (read-only) \??\h: gufhrcib.exe File opened (read-only) \??\k: gufhrcib.exe File opened (read-only) \??\z: gufhrcib.exe File opened (read-only) \??\v: gufhrcib.exe File opened (read-only) \??\z: gufhrcib.exe File opened (read-only) \??\b: rmgvafhusu.exe File opened (read-only) \??\v: rmgvafhusu.exe File opened (read-only) \??\a: gufhrcib.exe File opened (read-only) \??\n: gufhrcib.exe File opened (read-only) \??\t: gufhrcib.exe File opened (read-only) \??\w: gufhrcib.exe File opened (read-only) \??\b: gufhrcib.exe File opened (read-only) \??\f: gufhrcib.exe File opened (read-only) \??\m: gufhrcib.exe File opened (read-only) \??\n: gufhrcib.exe File opened (read-only) \??\x: gufhrcib.exe File opened (read-only) \??\e: rmgvafhusu.exe File opened (read-only) \??\t: rmgvafhusu.exe File opened (read-only) \??\f: gufhrcib.exe File opened (read-only) \??\i: rmgvafhusu.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCScan = "0" rmgvafhusu.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCDisable = "4294967197" rmgvafhusu.exe -
AutoIT Executable 12 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/4912-132-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4592-145-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/5008-146-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/1664-147-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4588-148-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4912-152-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4376-153-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4592-163-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/5008-164-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/1664-165-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4588-166-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4376-167-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe -
Drops file in System32 directory 12 IoCs
description ioc Process File created C:\Windows\SysWOW64\rmgvafhusu.exe b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe File opened for modification C:\Windows\SysWOW64\rmgvafhusu.exe b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe File created C:\Windows\SysWOW64\gufhrcib.exe b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe File opened for modification C:\Windows\SysWOW64\msvbvm60.dll rmgvafhusu.exe File opened for modification \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe gufhrcib.exe File opened for modification \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe gufhrcib.exe File created C:\Windows\SysWOW64\fpfoalhyitciafy.exe b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe File opened for modification C:\Windows\SysWOW64\fpfoalhyitciafy.exe b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe File opened for modification C:\Windows\SysWOW64\gufhrcib.exe b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe File created C:\Windows\SysWOW64\qdktwhbtmpzmi.exe b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe File opened for modification C:\Windows\SysWOW64\qdktwhbtmpzmi.exe b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe File created \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe gufhrcib.exe -
Drops file in Program Files directory 14 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal gufhrcib.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe gufhrcib.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe gufhrcib.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe gufhrcib.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe gufhrcib.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe gufhrcib.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe gufhrcib.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal gufhrcib.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe gufhrcib.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal gufhrcib.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe gufhrcib.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe gufhrcib.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe gufhrcib.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal gufhrcib.exe -
Drops file in Windows directory 11 IoCs
description ioc Process File created \??\c:\Windows\WinSxS\amd64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.1_none_c3bc3dbd94da3c61\MsoIrmProtector.doc.exe gufhrcib.exe File opened for modification \??\c:\Windows\WinSxS\amd64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.1_none_c3bc3dbd94da3c61\MsoIrmProtector.doc.exe gufhrcib.exe File created \??\c:\Windows\WinSxS\amd64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.746_none_ebc47b06544bfaab\MsoIrmProtector.doc.exe gufhrcib.exe File opened for modification \??\c:\Windows\WinSxS\amd64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.746_none_ebc47b06544bfaab\MsoIrmProtector.doc.exe gufhrcib.exe File opened for modification C:\Windows\mydoc.rtf b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe File opened for modification C:\Windows\mydoc.rtf WINWORD.EXE File created C:\Windows\~$mydoc.rtf WINWORD.EXE File created \??\c:\Windows\WinSxS\amd64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.1_none_c3bc3dbd94da3c61\MsoIrmProtector.doc.exe gufhrcib.exe File opened for modification \??\c:\Windows\WinSxS\amd64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.1_none_c3bc3dbd94da3c61\MsoIrmProtector.doc.exe gufhrcib.exe File created \??\c:\Windows\WinSxS\amd64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.746_none_ebc47b06544bfaab\MsoIrmProtector.doc.exe gufhrcib.exe File opened for modification \??\c:\Windows\WinSxS\amd64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.746_none_ebc47b06544bfaab\MsoIrmProtector.doc.exe gufhrcib.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 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com1 = "32412C0C9C5582596A4676D6702E2DDB7CF665DC" b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com4 = "7F89FF83482B826E9046D72F7D97BC90E144584766366333D79D" b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom1 = "E7866BB2FE6B21ACD27AD1A48A0C9110" b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.WSF\ = "txtfile" rmgvafhusu.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom2 = "1848C67415E6DBB3B9B97F92EDE034CA" b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.bat rmgvafhusu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.bat\ = "txtfile" rmgvafhusu.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsc rmgvafhusu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.reg\ = "txtfile" rmgvafhusu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com2 = "6ACAF9CBF96BF196830E3B3686EC3E98B0FD03F04312034BE1CF42E609A3" b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com3 = "2FB5B02F479339EA52CCBAD1329CD7C4" b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.wsc\ = "txtfile" rmgvafhusu.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsf rmgvafhusu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.vbs\ = "txtfile" rmgvafhusu.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.reg rmgvafhusu.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsh rmgvafhusu.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.WSH\ = "txtfile" rmgvafhusu.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.vbs rmgvafhusu.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 3720 WINWORD.EXE 3720 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4592 rmgvafhusu.exe 5008 fpfoalhyitciafy.exe 4592 rmgvafhusu.exe 5008 fpfoalhyitciafy.exe 4592 rmgvafhusu.exe 5008 fpfoalhyitciafy.exe 4592 rmgvafhusu.exe 5008 fpfoalhyitciafy.exe 4592 rmgvafhusu.exe 4592 rmgvafhusu.exe 4592 rmgvafhusu.exe 4592 rmgvafhusu.exe 5008 fpfoalhyitciafy.exe 5008 fpfoalhyitciafy.exe 5008 fpfoalhyitciafy.exe 5008 fpfoalhyitciafy.exe 1664 gufhrcib.exe 1664 gufhrcib.exe 1664 gufhrcib.exe 1664 gufhrcib.exe 1664 gufhrcib.exe 1664 gufhrcib.exe 1664 gufhrcib.exe 1664 gufhrcib.exe 4588 qdktwhbtmpzmi.exe 4588 qdktwhbtmpzmi.exe 4588 qdktwhbtmpzmi.exe 4588 qdktwhbtmpzmi.exe 4588 qdktwhbtmpzmi.exe 4588 qdktwhbtmpzmi.exe 4588 qdktwhbtmpzmi.exe 4588 qdktwhbtmpzmi.exe 4592 rmgvafhusu.exe 4592 rmgvafhusu.exe 4588 qdktwhbtmpzmi.exe 4588 qdktwhbtmpzmi.exe 4588 qdktwhbtmpzmi.exe 4588 qdktwhbtmpzmi.exe 5008 fpfoalhyitciafy.exe 5008 fpfoalhyitciafy.exe 5008 fpfoalhyitciafy.exe 5008 fpfoalhyitciafy.exe 4376 gufhrcib.exe 4376 gufhrcib.exe 4376 gufhrcib.exe 4376 gufhrcib.exe 4376 gufhrcib.exe 4376 gufhrcib.exe -
Suspicious use of FindShellTrayWindow 18 IoCs
pid Process 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4592 rmgvafhusu.exe 4592 rmgvafhusu.exe 4592 rmgvafhusu.exe 5008 fpfoalhyitciafy.exe 5008 fpfoalhyitciafy.exe 5008 fpfoalhyitciafy.exe 1664 gufhrcib.exe 1664 gufhrcib.exe 1664 gufhrcib.exe 4588 qdktwhbtmpzmi.exe 4588 qdktwhbtmpzmi.exe 4588 qdktwhbtmpzmi.exe 4376 gufhrcib.exe 4376 gufhrcib.exe 4376 gufhrcib.exe -
Suspicious use of SendNotifyMessage 18 IoCs
pid Process 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 4592 rmgvafhusu.exe 4592 rmgvafhusu.exe 4592 rmgvafhusu.exe 5008 fpfoalhyitciafy.exe 5008 fpfoalhyitciafy.exe 5008 fpfoalhyitciafy.exe 1664 gufhrcib.exe 1664 gufhrcib.exe 1664 gufhrcib.exe 4588 qdktwhbtmpzmi.exe 4588 qdktwhbtmpzmi.exe 4588 qdktwhbtmpzmi.exe 4376 gufhrcib.exe 4376 gufhrcib.exe 4376 gufhrcib.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 3720 WINWORD.EXE 3720 WINWORD.EXE 3720 WINWORD.EXE 3720 WINWORD.EXE 3720 WINWORD.EXE 3720 WINWORD.EXE 3720 WINWORD.EXE -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 4912 wrote to memory of 4592 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 82 PID 4912 wrote to memory of 4592 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 82 PID 4912 wrote to memory of 4592 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 82 PID 4912 wrote to memory of 5008 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 83 PID 4912 wrote to memory of 5008 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 83 PID 4912 wrote to memory of 5008 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 83 PID 4912 wrote to memory of 1664 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 84 PID 4912 wrote to memory of 1664 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 84 PID 4912 wrote to memory of 1664 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 84 PID 4912 wrote to memory of 4588 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 85 PID 4912 wrote to memory of 4588 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 85 PID 4912 wrote to memory of 4588 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 85 PID 4592 wrote to memory of 4376 4592 rmgvafhusu.exe 86 PID 4592 wrote to memory of 4376 4592 rmgvafhusu.exe 86 PID 4592 wrote to memory of 4376 4592 rmgvafhusu.exe 86 PID 4912 wrote to memory of 3720 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 87 PID 4912 wrote to memory of 3720 4912 b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.exe"C:\Users\Admin\AppData\Local\Temp\b670819af5334319fb9c2d7b2ee66b167f9bda2877d204e7ff51ede308915ccd.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:4912 -
C:\Windows\SysWOW64\rmgvafhusu.exermgvafhusu.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:4592 -
C:\Windows\SysWOW64\gufhrcib.exeC:\Windows\system32\gufhrcib.exe3⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4376
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C:\Windows\SysWOW64\fpfoalhyitciafy.exefpfoalhyitciafy.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:5008
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C:\Windows\SysWOW64\gufhrcib.exegufhrcib.exe2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1664
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C:\Windows\SysWOW64\qdktwhbtmpzmi.exeqdktwhbtmpzmi.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4588
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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:3720
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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
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Downloads
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Filesize
255KB
MD5bbc72ced4989f0b9ab8aa64f7362f01b
SHA16aea7bd027fbd1eead80552d1b89adc92dda74db
SHA256c488bdbc59ebd31335ab61edfba11a1d3d77638e921a16191090031643c6f2b2
SHA512663e1a971e5c961cf2163c186be4d9a992d1142995c382adf7357092003052be07b0007638f003b8add2e915059d7e64ea8feb3a9aa4d8367c537b685639f61a
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Filesize
255KB
MD5a01fc42080ac441d0c4dfd5f0a59a1b4
SHA18d0ca0c62826ed507b47711ad163a34994cc6aee
SHA256529ab85d4bed5593df18235355b19a28a6d28ee884e59f97b56f18b1ca89ae54
SHA512c031a02337f4f7f5a3323a46f0d982b20c516e2f1376aee28451476a657314e2f4d8ba63fa2c05e9ab2088c5a5d727f81be9a581af4667d3853299b215ec3194
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Filesize
255KB
MD5a01fc42080ac441d0c4dfd5f0a59a1b4
SHA18d0ca0c62826ed507b47711ad163a34994cc6aee
SHA256529ab85d4bed5593df18235355b19a28a6d28ee884e59f97b56f18b1ca89ae54
SHA512c031a02337f4f7f5a3323a46f0d982b20c516e2f1376aee28451476a657314e2f4d8ba63fa2c05e9ab2088c5a5d727f81be9a581af4667d3853299b215ec3194
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Filesize
255KB
MD53a1697daf8ae28339e082d33163374a8
SHA1b7dc71b9711c8cc510e2d11c93fe062e98c73604
SHA256d14d64ed04e07802c547d0d90fa51a21320c27f26564db8b151e9347bf077ff4
SHA512bc59158aa4866340dab28e0c72fe48059b88611fa31701212ea271586da67bbb0a7c94e081a048a340b14124798395b5cb1e695601e1bfa8d1ff5bcdd048ccb7
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Filesize
255KB
MD53a1697daf8ae28339e082d33163374a8
SHA1b7dc71b9711c8cc510e2d11c93fe062e98c73604
SHA256d14d64ed04e07802c547d0d90fa51a21320c27f26564db8b151e9347bf077ff4
SHA512bc59158aa4866340dab28e0c72fe48059b88611fa31701212ea271586da67bbb0a7c94e081a048a340b14124798395b5cb1e695601e1bfa8d1ff5bcdd048ccb7
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Filesize
255KB
MD53a1697daf8ae28339e082d33163374a8
SHA1b7dc71b9711c8cc510e2d11c93fe062e98c73604
SHA256d14d64ed04e07802c547d0d90fa51a21320c27f26564db8b151e9347bf077ff4
SHA512bc59158aa4866340dab28e0c72fe48059b88611fa31701212ea271586da67bbb0a7c94e081a048a340b14124798395b5cb1e695601e1bfa8d1ff5bcdd048ccb7
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Filesize
255KB
MD519b562269b14a83d83078a91dbed99fa
SHA19202f161df9c9f186aed6ac6dccde231111dfc30
SHA2562a608e8eeb6e4ed1258d25010c479be4a2e8fa55edcfb3ac2b68afa3f0c54d26
SHA5127e5f14d6271519715225fbc0b2424f50bbb11f07243891ad96e97a1be20c2fd700148f7c2e73ce9420d8b7dac574dbc32bbb0057c1662cecc72901cace628201
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Filesize
255KB
MD519b562269b14a83d83078a91dbed99fa
SHA19202f161df9c9f186aed6ac6dccde231111dfc30
SHA2562a608e8eeb6e4ed1258d25010c479be4a2e8fa55edcfb3ac2b68afa3f0c54d26
SHA5127e5f14d6271519715225fbc0b2424f50bbb11f07243891ad96e97a1be20c2fd700148f7c2e73ce9420d8b7dac574dbc32bbb0057c1662cecc72901cace628201
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Filesize
255KB
MD5dbca8c01536270083b085208991a430d
SHA1914e270c57e6a2be6de7ad1fd4047a5e3f084298
SHA256f02ebd44899130a413de230dba1ec099b4f13717e877d88414177f4a8a54f075
SHA5129fd3e56a3ac1d9038aab12f5172027661dd6a98a1f8fbb5a9a5626cf69c76d0ba8aa069e8c90526f01396d2ca6044d5cb5ab3fac3d9212226baf36497ee8950f
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Filesize
255KB
MD5dbca8c01536270083b085208991a430d
SHA1914e270c57e6a2be6de7ad1fd4047a5e3f084298
SHA256f02ebd44899130a413de230dba1ec099b4f13717e877d88414177f4a8a54f075
SHA5129fd3e56a3ac1d9038aab12f5172027661dd6a98a1f8fbb5a9a5626cf69c76d0ba8aa069e8c90526f01396d2ca6044d5cb5ab3fac3d9212226baf36497ee8950f
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Filesize
223B
MD506604e5941c126e2e7be02c5cd9f62ec
SHA14eb9fdf8ff4e1e539236002bd363b82c8f8930e1
SHA25685f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2
SHA512803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7
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Filesize
255KB
MD52f6396c8d7b1f474c04cb29e95e936f5
SHA174b0872021ef68391e3191f376f62c3b7db38141
SHA2568ce7975243a9fad3adcb3b0f8921bba1a2f23feb0dc77a5f96fd5d87774797fd
SHA51273688d0dfa4977409b58c22cb428fba2b3135e9e64c2afe90e0b3892ed3af3b432c4b8509c8f221e78df30526bb9316094054e0185de1fa4087082f1313683c4
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Filesize
255KB
MD54f1628c2b46068bc2ee08c904761fc98
SHA11e88e661f5d569f8c4e0314e3b0d9a77d810c93d
SHA2568533e58b1ac3c6dbd0895a392e5dee88e8c24a5f7011c9ef2b15cabdffff9c5c
SHA5128a3cae90a7b9695a05df6e5d03b007cf269f9551d737482184c7b26225e321cbf5d05f7ba7d2b4a999a1de2ccd7ee7325b65826b7ce9a71b57949e784630e7ad