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Analysis
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max time kernel
151s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
28/11/2022, 02:12
Behavioral task
behavioral1
Sample
cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe
Resource
win7-20221111-en
windows7-x64
26 signatures
150 seconds
General
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Target
cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe
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Size
255KB
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MD5
892a5e874e6b085f16d8c23c21cae8ed
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SHA1
3dcbf56bc299178ba161f9566342fe13c7c3afea
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SHA256
cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325
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SHA512
23f9ee384855b41bd79ad84d1cc9b3b7d1a7197faa92b0fa47aed6fa39711c017dc00e370838b681383b0e7fdbbcf44c2d8a03a57d24889b8f1697bbbe50cce1
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SSDEEP
3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJg:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIT
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" defdhpezpa.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" defdhpezpa.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" defdhpezpa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" defdhpezpa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" defdhpezpa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" defdhpezpa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" defdhpezpa.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" defdhpezpa.exe -
Executes dropped EXE 5 IoCs
pid Process 4856 defdhpezpa.exe 4932 wtcymmrzgerecfa.exe 5012 seyxabuj.exe 1124 gyllykjwegwfz.exe 1556 seyxabuj.exe -
resource yara_rule behavioral2/memory/4872-132-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x0003000000022dce-134.dat upx behavioral2/files/0x0003000000022dce-136.dat upx behavioral2/files/0x0003000000022dea-138.dat upx behavioral2/files/0x0002000000022def-140.dat upx behavioral2/files/0x0003000000022dea-137.dat upx behavioral2/files/0x0002000000022def-141.dat upx behavioral2/memory/4856-143-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x0002000000022df0-145.dat upx behavioral2/memory/4932-146-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/5012-147-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x0002000000022df0-144.dat upx behavioral2/files/0x0002000000022def-149.dat upx behavioral2/memory/1124-150-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/1556-151-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4872-153-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x0002000000022df5-159.dat upx behavioral2/files/0x0003000000022df6-160.dat upx behavioral2/memory/4856-163-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4932-165-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/5012-166-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/1124-167-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/1556-168-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x000200000001e469-169.dat upx behavioral2/files/0x000200000001e469-170.dat upx behavioral2/files/0x000200000001e469-171.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 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.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" defdhpezpa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" defdhpezpa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" defdhpezpa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" defdhpezpa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirstRunDisabled = "1" defdhpezpa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" defdhpezpa.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run wtcymmrzgerecfa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ahiqvuev = "defdhpezpa.exe" wtcymmrzgerecfa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\psgkgbli = "wtcymmrzgerecfa.exe" wtcymmrzgerecfa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "gyllykjwegwfz.exe" wtcymmrzgerecfa.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) \??\j: seyxabuj.exe File opened (read-only) \??\m: seyxabuj.exe File opened (read-only) \??\n: seyxabuj.exe File opened (read-only) \??\v: seyxabuj.exe File opened (read-only) \??\l: seyxabuj.exe File opened (read-only) \??\m: seyxabuj.exe File opened (read-only) \??\m: defdhpezpa.exe File opened (read-only) \??\j: defdhpezpa.exe File opened (read-only) \??\y: defdhpezpa.exe File opened (read-only) \??\z: defdhpezpa.exe File opened (read-only) \??\a: seyxabuj.exe File opened (read-only) \??\e: defdhpezpa.exe File opened (read-only) \??\k: seyxabuj.exe File opened (read-only) \??\g: seyxabuj.exe File opened (read-only) \??\w: defdhpezpa.exe File opened (read-only) \??\n: defdhpezpa.exe File opened (read-only) \??\e: seyxabuj.exe File opened (read-only) \??\l: defdhpezpa.exe File opened (read-only) \??\g: defdhpezpa.exe File opened (read-only) \??\q: seyxabuj.exe File opened (read-only) \??\h: seyxabuj.exe File opened (read-only) \??\z: seyxabuj.exe File opened (read-only) \??\b: defdhpezpa.exe File opened (read-only) \??\p: defdhpezpa.exe File opened (read-only) \??\x: seyxabuj.exe File opened (read-only) \??\n: seyxabuj.exe File opened (read-only) \??\h: defdhpezpa.exe File opened (read-only) \??\b: seyxabuj.exe File opened (read-only) \??\e: seyxabuj.exe File opened (read-only) \??\r: seyxabuj.exe File opened (read-only) \??\s: seyxabuj.exe File opened (read-only) \??\w: seyxabuj.exe File opened (read-only) \??\b: seyxabuj.exe File opened (read-only) \??\y: seyxabuj.exe File opened (read-only) \??\v: defdhpezpa.exe File opened (read-only) \??\o: defdhpezpa.exe File opened (read-only) \??\q: defdhpezpa.exe File opened (read-only) \??\o: seyxabuj.exe File opened (read-only) \??\p: seyxabuj.exe File opened (read-only) \??\r: seyxabuj.exe File opened (read-only) \??\v: seyxabuj.exe File opened (read-only) \??\a: defdhpezpa.exe File opened (read-only) \??\s: defdhpezpa.exe File opened (read-only) \??\i: seyxabuj.exe File opened (read-only) \??\u: seyxabuj.exe File opened (read-only) \??\k: seyxabuj.exe File opened (read-only) \??\f: defdhpezpa.exe File opened (read-only) \??\r: defdhpezpa.exe File opened (read-only) \??\f: seyxabuj.exe File opened (read-only) \??\u: seyxabuj.exe File opened (read-only) \??\k: defdhpezpa.exe File opened (read-only) \??\j: seyxabuj.exe File opened (read-only) \??\s: seyxabuj.exe File opened (read-only) \??\o: seyxabuj.exe File opened (read-only) \??\t: seyxabuj.exe File opened (read-only) \??\i: seyxabuj.exe File opened (read-only) \??\u: defdhpezpa.exe File opened (read-only) \??\p: seyxabuj.exe File opened (read-only) \??\a: seyxabuj.exe File opened (read-only) \??\l: seyxabuj.exe File opened (read-only) \??\t: defdhpezpa.exe File opened (read-only) \??\g: seyxabuj.exe File opened (read-only) \??\h: seyxabuj.exe File opened (read-only) \??\i: defdhpezpa.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCScan = "0" defdhpezpa.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCDisable = "4294967197" defdhpezpa.exe -
AutoIT Executable 12 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/4872-132-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4856-143-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4932-146-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/5012-147-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/1124-150-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/1556-151-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4872-153-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4856-163-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4932-165-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/5012-166-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/1124-167-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/1556-168-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe -
Drops file in System32 directory 13 IoCs
description ioc Process File created C:\Windows\SysWOW64\seyxabuj.exe cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe File opened for modification \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe seyxabuj.exe File opened for modification C:\Windows\SysWOW64\defdhpezpa.exe cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe File created C:\Windows\SysWOW64\wtcymmrzgerecfa.exe cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe File opened for modification C:\Windows\SysWOW64\wtcymmrzgerecfa.exe cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe File opened for modification C:\Windows\SysWOW64\gyllykjwegwfz.exe cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe File opened for modification C:\Windows\SysWOW64\msvbvm60.dll defdhpezpa.exe File created \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe seyxabuj.exe File created \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe seyxabuj.exe File opened for modification \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe seyxabuj.exe File created C:\Windows\SysWOW64\defdhpezpa.exe cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe File opened for modification C:\Windows\SysWOW64\seyxabuj.exe cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe File created C:\Windows\SysWOW64\gyllykjwegwfz.exe cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe -
Drops file in Program Files directory 15 IoCs
description ioc Process File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe seyxabuj.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe seyxabuj.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe seyxabuj.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe seyxabuj.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe seyxabuj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe seyxabuj.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe seyxabuj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe seyxabuj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe seyxabuj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal seyxabuj.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe seyxabuj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal seyxabuj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal seyxabuj.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal seyxabuj.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe seyxabuj.exe -
Drops file in Windows directory 11 IoCs
description ioc Process File opened for modification \??\c:\Windows\WinSxS\amd64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.1_none_c3bc3dbd94da3c61\MsoIrmProtector.doc.exe seyxabuj.exe File created \??\c:\Windows\WinSxS\amd64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.746_none_ebc47b06544bfaab\MsoIrmProtector.doc.exe seyxabuj.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 seyxabuj.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 seyxabuj.exe File opened for modification C:\Windows\mydoc.rtf cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe File opened for modification 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 seyxabuj.exe File created \??\c:\Windows\WinSxS\amd64_microsoft-windows-r..t-office-protectors_31bf3856ad364e35_10.0.19041.746_none_ebc47b06544bfaab\MsoIrmProtector.doc.exe seyxabuj.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 seyxabuj.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 seyxabuj.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE -
Modifies registry class 20 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsf defdhpezpa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.reg defdhpezpa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com3 = "2EB1B12F44E738EA53CFBAD033E9D7CC" cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com4 = "7E8FFC8E482C851D9031D72C7DE6BC95E137594066406341D69E" cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsh defdhpezpa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.WSF\ = "txtfile" defdhpezpa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.vbs\ = "txtfile" defdhpezpa.exe Key created \REGISTRY\MACHINE\Software\Classes\CLV.Classes cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.bat defdhpezpa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsc defdhpezpa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom1 = "E7F06BC4FE6D22D9D109D1D28A7C9017" cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.bat\ = "txtfile" defdhpezpa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.WSH\ = "txtfile" defdhpezpa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.wsc\ = "txtfile" defdhpezpa.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.vbs defdhpezpa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.reg\ = "txtfile" defdhpezpa.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com1 = "33472C7D9C5683206A3477D070232DAD7C8E64D8" cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com2 = "6BC9F9B0F911F290837D3B3581993EE2B08802F14211033CE1CD42E608D2" cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom2 = "193FC70B15E5DAB0B8BA7CE6ED9234B9" cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 1836 WINWORD.EXE 1836 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4856 defdhpezpa.exe 4856 defdhpezpa.exe 4856 defdhpezpa.exe 4856 defdhpezpa.exe 4856 defdhpezpa.exe 4856 defdhpezpa.exe 4856 defdhpezpa.exe 4856 defdhpezpa.exe 4856 defdhpezpa.exe 4856 defdhpezpa.exe 4932 wtcymmrzgerecfa.exe 4932 wtcymmrzgerecfa.exe 4932 wtcymmrzgerecfa.exe 4932 wtcymmrzgerecfa.exe 4932 wtcymmrzgerecfa.exe 4932 wtcymmrzgerecfa.exe 4932 wtcymmrzgerecfa.exe 4932 wtcymmrzgerecfa.exe 4932 wtcymmrzgerecfa.exe 4932 wtcymmrzgerecfa.exe 5012 seyxabuj.exe 5012 seyxabuj.exe 5012 seyxabuj.exe 5012 seyxabuj.exe 5012 seyxabuj.exe 5012 seyxabuj.exe 5012 seyxabuj.exe 5012 seyxabuj.exe 1124 gyllykjwegwfz.exe 1124 gyllykjwegwfz.exe 1124 gyllykjwegwfz.exe 1124 gyllykjwegwfz.exe 1124 gyllykjwegwfz.exe 1124 gyllykjwegwfz.exe 1124 gyllykjwegwfz.exe 1124 gyllykjwegwfz.exe 1556 seyxabuj.exe 1556 seyxabuj.exe 1556 seyxabuj.exe 1556 seyxabuj.exe 1556 seyxabuj.exe 1556 seyxabuj.exe 1556 seyxabuj.exe 1556 seyxabuj.exe 4932 wtcymmrzgerecfa.exe 4932 wtcymmrzgerecfa.exe 4932 wtcymmrzgerecfa.exe 4932 wtcymmrzgerecfa.exe -
Suspicious use of FindShellTrayWindow 18 IoCs
pid Process 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4856 defdhpezpa.exe 4932 wtcymmrzgerecfa.exe 4856 defdhpezpa.exe 4932 wtcymmrzgerecfa.exe 4856 defdhpezpa.exe 4932 wtcymmrzgerecfa.exe 5012 seyxabuj.exe 5012 seyxabuj.exe 5012 seyxabuj.exe 1124 gyllykjwegwfz.exe 1124 gyllykjwegwfz.exe 1124 gyllykjwegwfz.exe 1556 seyxabuj.exe 1556 seyxabuj.exe 1556 seyxabuj.exe -
Suspicious use of SendNotifyMessage 18 IoCs
pid Process 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 4856 defdhpezpa.exe 4932 wtcymmrzgerecfa.exe 4856 defdhpezpa.exe 4932 wtcymmrzgerecfa.exe 4856 defdhpezpa.exe 4932 wtcymmrzgerecfa.exe 5012 seyxabuj.exe 5012 seyxabuj.exe 5012 seyxabuj.exe 1124 gyllykjwegwfz.exe 1124 gyllykjwegwfz.exe 1124 gyllykjwegwfz.exe 1556 seyxabuj.exe 1556 seyxabuj.exe 1556 seyxabuj.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 1836 WINWORD.EXE 1836 WINWORD.EXE 1836 WINWORD.EXE 1836 WINWORD.EXE 1836 WINWORD.EXE 1836 WINWORD.EXE 1836 WINWORD.EXE -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 4872 wrote to memory of 4856 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 81 PID 4872 wrote to memory of 4856 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 81 PID 4872 wrote to memory of 4856 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 81 PID 4872 wrote to memory of 4932 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 82 PID 4872 wrote to memory of 4932 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 82 PID 4872 wrote to memory of 4932 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 82 PID 4872 wrote to memory of 5012 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 83 PID 4872 wrote to memory of 5012 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 83 PID 4872 wrote to memory of 5012 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 83 PID 4872 wrote to memory of 1124 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 84 PID 4872 wrote to memory of 1124 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 84 PID 4872 wrote to memory of 1124 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 84 PID 4856 wrote to memory of 1556 4856 defdhpezpa.exe 85 PID 4856 wrote to memory of 1556 4856 defdhpezpa.exe 85 PID 4856 wrote to memory of 1556 4856 defdhpezpa.exe 85 PID 4872 wrote to memory of 1836 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 86 PID 4872 wrote to memory of 1836 4872 cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.exe"C:\Users\Admin\AppData\Local\Temp\cfa345dfb8af076d5024e725d895d461d9acc5281b72c3bd094ffa4019f9f325.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:4872 -
C:\Windows\SysWOW64\defdhpezpa.exedefdhpezpa.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:4856 -
C:\Windows\SysWOW64\seyxabuj.exeC:\Windows\system32\seyxabuj.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:1556
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C:\Windows\SysWOW64\wtcymmrzgerecfa.exewtcymmrzgerecfa.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4932
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C:\Windows\SysWOW64\seyxabuj.exeseyxabuj.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:5012
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C:\Windows\SysWOW64\gyllykjwegwfz.exegyllykjwegwfz.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1124
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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:1836
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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
MD5008025e8a0601b8211a4a14e5b462f95
SHA1bd1f273f02452a04af307991c464648b3bb93840
SHA256a1def54b0cdc0546d7a95d3914146e6aa5b3add3ca50b08347a84ef8e3ebc598
SHA512a136e36e601bd7dcfbed0a7aa30abb5fcda5053600ae7b70fef1c681b1bd962fdafa12e1bcf7490e0decb82593947ae796faffc2834222a69e0c41a84789cc2a
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Filesize
255KB
MD5bfcdb92406b717d13e44492ff20e0eed
SHA18276c27d54e3bf94aaadf579c9442e4095db7953
SHA2561693a3ad33bfdeac300aa36bf47344f0d5f3279d7726c1caa98d67846301f3cb
SHA512562bdaa237efe8cdf59f9fc2c73d2fcdd43b19f1f5d49cae6297c378bd1df95045baf13f5fa38aa1f0dea5a5a81ae2ecea55cade3021802437d30c39e410f221
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Filesize
255KB
MD52e2e1cfca1f241a5a7d28557c2cf8e9f
SHA153aa847e2dcfdc7f758ba66ec8857d5288662fab
SHA256359e6984f2cace86077302a1b2b225ed4e9cba45c3a5bbc9edf463956ff1e036
SHA5124ab5297bb18d0d69daf0a41699173714dfad8ed2a70b7d89fd35e8731446ded3a5725751b1ed189ea0299d9a9a1c8f7cca3324eaea4000ee73cc950e250b1338
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Filesize
255KB
MD52e2e1cfca1f241a5a7d28557c2cf8e9f
SHA153aa847e2dcfdc7f758ba66ec8857d5288662fab
SHA256359e6984f2cace86077302a1b2b225ed4e9cba45c3a5bbc9edf463956ff1e036
SHA5124ab5297bb18d0d69daf0a41699173714dfad8ed2a70b7d89fd35e8731446ded3a5725751b1ed189ea0299d9a9a1c8f7cca3324eaea4000ee73cc950e250b1338
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Filesize
255KB
MD5f4063ef0db058f940ff809f26924352a
SHA1b802a812e5f6432828d983dc8256f69a51654a07
SHA256cb19d8b06fe8a1ab0e7b8d08ac00f6c40a254a43726a4322071c331e479371e3
SHA5129e14464c9f6965af917e072db48fe23e263e9b68d15bd959cd409314104c89c48267900df6e40775593a6d3668278311ba19e53ca616fc9143eb4fb276fc090f
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Filesize
255KB
MD5f4063ef0db058f940ff809f26924352a
SHA1b802a812e5f6432828d983dc8256f69a51654a07
SHA256cb19d8b06fe8a1ab0e7b8d08ac00f6c40a254a43726a4322071c331e479371e3
SHA5129e14464c9f6965af917e072db48fe23e263e9b68d15bd959cd409314104c89c48267900df6e40775593a6d3668278311ba19e53ca616fc9143eb4fb276fc090f
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Filesize
255KB
MD5e0335352367d9020eb6ef90dc6c0f0f1
SHA1595b2a2526f6cde7bce11fc70b0a95d61d1e5731
SHA2565cc6857410a8532518724f71db86347e3d7874bf26ce2b7d06ada870177924ee
SHA51248cc9bf6da7bbc4cb5d61f9ef95086f0fbd664cf8c9e1fe1e0dc64ea8a44f77636944c2301eda178d9d83754eb3eeee1ff0ebda3df4c3bab87d8b052c4ce35b3
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Filesize
255KB
MD5e0335352367d9020eb6ef90dc6c0f0f1
SHA1595b2a2526f6cde7bce11fc70b0a95d61d1e5731
SHA2565cc6857410a8532518724f71db86347e3d7874bf26ce2b7d06ada870177924ee
SHA51248cc9bf6da7bbc4cb5d61f9ef95086f0fbd664cf8c9e1fe1e0dc64ea8a44f77636944c2301eda178d9d83754eb3eeee1ff0ebda3df4c3bab87d8b052c4ce35b3
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Filesize
255KB
MD5e0335352367d9020eb6ef90dc6c0f0f1
SHA1595b2a2526f6cde7bce11fc70b0a95d61d1e5731
SHA2565cc6857410a8532518724f71db86347e3d7874bf26ce2b7d06ada870177924ee
SHA51248cc9bf6da7bbc4cb5d61f9ef95086f0fbd664cf8c9e1fe1e0dc64ea8a44f77636944c2301eda178d9d83754eb3eeee1ff0ebda3df4c3bab87d8b052c4ce35b3
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Filesize
255KB
MD5323b24fbf24544d097496336608da044
SHA1e7e4f7133ac6829bf12cd03861a2f00026a66c22
SHA25608528ec5344b0603fb7b0216272c8e3fda042a1fd7ec831dab06bf437f2bd048
SHA512b94b82075b595855780eb4cf0d52237d1f670c128a9e97475dec4d1ce0a74ec6e5e9d84d0705b778cefecd296a0619785cad33d68ca09812461cd6ecd9b79122
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Filesize
255KB
MD5323b24fbf24544d097496336608da044
SHA1e7e4f7133ac6829bf12cd03861a2f00026a66c22
SHA25608528ec5344b0603fb7b0216272c8e3fda042a1fd7ec831dab06bf437f2bd048
SHA512b94b82075b595855780eb4cf0d52237d1f670c128a9e97475dec4d1ce0a74ec6e5e9d84d0705b778cefecd296a0619785cad33d68ca09812461cd6ecd9b79122
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Filesize
223B
MD506604e5941c126e2e7be02c5cd9f62ec
SHA14eb9fdf8ff4e1e539236002bd363b82c8f8930e1
SHA25685f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2
SHA512803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7
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Filesize
255KB
MD5201f7a8e3bfb755689974598abc4e4ee
SHA11017b9199978347b301d10b89f9789623a96b1ae
SHA256d1b74315432564b8d73cac4f90ba6f02eb1b1a7327fc1fc5bcf044d52299e3ac
SHA5128303566432d507cb572ff9a63c2bdc1f0d5e862c67485bffdfda84495431393cee669766ef949705663fe4d288cbcd751eaf8b50c2d331e4cb1d96d50c49c76e
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Filesize
255KB
MD5fa555e523236bbca96d4ab0e67ac2406
SHA1ca89374d18374fceeba4388e95f12a979fa32211
SHA256f87e3cf9e671e4d3ca1a55f6b19e3f6299bf2332b5c0b447d86f84d820f80257
SHA512a9d34167440795819fd5e608b0486c6009db2b5a7b0d755ba5487e262491a767819692e5096d86fcd82008161d40221fd4a7b6cee54416865c94d86c558058a7
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Filesize
255KB
MD5fa555e523236bbca96d4ab0e67ac2406
SHA1ca89374d18374fceeba4388e95f12a979fa32211
SHA256f87e3cf9e671e4d3ca1a55f6b19e3f6299bf2332b5c0b447d86f84d820f80257
SHA512a9d34167440795819fd5e608b0486c6009db2b5a7b0d755ba5487e262491a767819692e5096d86fcd82008161d40221fd4a7b6cee54416865c94d86c558058a7