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Analysis
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max time kernel
151s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
29/11/2022, 06:10
Behavioral task
behavioral1
Sample
815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe
Resource
win7-20221111-en
windows7-x64
26 signatures
150 seconds
General
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Target
815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe
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Size
255KB
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MD5
9cb31c34863cd8ccda3ae9be438fd135
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SHA1
fb8032e5b9761ff541573fd8e10b2cfcebcb9431
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SHA256
815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170
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SHA512
b5ddb48c88e6cb00cd78665d64ff0a55015edcb8bbb50533c5ff1a1130c4b84f9b8340f28a2e0d78f28d6913712ce54ed1b08a50a5eca382f84c7265296226e8
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SSDEEP
6144:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI6Q: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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" prufifbyax.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" prufifbyax.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" prufifbyax.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" prufifbyax.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" prufifbyax.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" prufifbyax.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" prufifbyax.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" prufifbyax.exe -
Executes dropped EXE 5 IoCs
pid Process 1808 prufifbyax.exe 4908 fosbshqxfuagojy.exe 4928 levxiphz.exe 1028 zztkacystvhuy.exe 3304 levxiphz.exe -
resource yara_rule behavioral2/memory/4648-132-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x001c00000001d9f9-134.dat upx behavioral2/files/0x001c00000001d9f9-135.dat upx behavioral2/files/0x000400000001e64b-137.dat upx behavioral2/files/0x000400000001e64b-138.dat upx behavioral2/files/0x000400000001e64d-141.dat upx behavioral2/files/0x000400000001e64d-140.dat upx behavioral2/files/0x0007000000022e11-143.dat upx behavioral2/files/0x0007000000022e11-144.dat upx behavioral2/memory/1808-145-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4908-146-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4928-147-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/1028-148-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4648-150-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x000400000001e64d-152.dat upx behavioral2/memory/3304-153-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/files/0x000400000001d9fc-162.dat upx behavioral2/files/0x000400000001da42-163.dat upx behavioral2/memory/1808-164-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4908-165-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4928-166-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/1028-167-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/3304-168-0x0000000000400000-0x00000000004A0000-memory.dmp 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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.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" prufifbyax.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" prufifbyax.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" prufifbyax.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" prufifbyax.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirstRunDisabled = "1" prufifbyax.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" prufifbyax.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "zztkacystvhuy.exe" fosbshqxfuagojy.exe Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run fosbshqxfuagojy.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\tbnbnapb = "prufifbyax.exe" fosbshqxfuagojy.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\dwpomrmy = "fosbshqxfuagojy.exe" fosbshqxfuagojy.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) \??\o: levxiphz.exe File opened (read-only) \??\r: levxiphz.exe File opened (read-only) \??\b: prufifbyax.exe File opened (read-only) \??\k: prufifbyax.exe File opened (read-only) \??\o: prufifbyax.exe File opened (read-only) \??\q: prufifbyax.exe File opened (read-only) \??\r: prufifbyax.exe File opened (read-only) \??\l: levxiphz.exe File opened (read-only) \??\x: levxiphz.exe File opened (read-only) \??\i: prufifbyax.exe File opened (read-only) \??\e: levxiphz.exe File opened (read-only) \??\x: levxiphz.exe File opened (read-only) \??\g: levxiphz.exe File opened (read-only) \??\l: prufifbyax.exe File opened (read-only) \??\t: levxiphz.exe File opened (read-only) \??\u: levxiphz.exe File opened (read-only) \??\m: levxiphz.exe File opened (read-only) \??\e: prufifbyax.exe File opened (read-only) \??\j: prufifbyax.exe File opened (read-only) \??\q: levxiphz.exe File opened (read-only) \??\j: levxiphz.exe File opened (read-only) \??\z: levxiphz.exe File opened (read-only) \??\v: prufifbyax.exe File opened (read-only) \??\w: prufifbyax.exe File opened (read-only) \??\b: levxiphz.exe File opened (read-only) \??\h: levxiphz.exe File opened (read-only) \??\k: levxiphz.exe File opened (read-only) \??\v: levxiphz.exe File opened (read-only) \??\h: levxiphz.exe File opened (read-only) \??\t: levxiphz.exe File opened (read-only) \??\v: levxiphz.exe File opened (read-only) \??\x: prufifbyax.exe File opened (read-only) \??\n: levxiphz.exe File opened (read-only) \??\w: levxiphz.exe File opened (read-only) \??\i: levxiphz.exe File opened (read-only) \??\w: levxiphz.exe File opened (read-only) \??\t: prufifbyax.exe File opened (read-only) \??\z: prufifbyax.exe File opened (read-only) \??\l: levxiphz.exe File opened (read-only) \??\n: levxiphz.exe File opened (read-only) \??\s: levxiphz.exe File opened (read-only) \??\b: levxiphz.exe File opened (read-only) \??\k: levxiphz.exe File opened (read-only) \??\h: prufifbyax.exe File opened (read-only) \??\p: prufifbyax.exe File opened (read-only) \??\g: levxiphz.exe File opened (read-only) \??\y: levxiphz.exe File opened (read-only) \??\f: prufifbyax.exe File opened (read-only) \??\p: levxiphz.exe File opened (read-only) \??\q: levxiphz.exe File opened (read-only) \??\o: levxiphz.exe File opened (read-only) \??\f: levxiphz.exe File opened (read-only) \??\i: levxiphz.exe File opened (read-only) \??\m: levxiphz.exe File opened (read-only) \??\r: levxiphz.exe File opened (read-only) \??\f: levxiphz.exe File opened (read-only) \??\j: levxiphz.exe File opened (read-only) \??\a: levxiphz.exe File opened (read-only) \??\a: prufifbyax.exe File opened (read-only) \??\u: prufifbyax.exe File opened (read-only) \??\y: prufifbyax.exe File opened (read-only) \??\z: levxiphz.exe File opened (read-only) \??\y: levxiphz.exe File opened (read-only) \??\m: prufifbyax.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCScan = "0" prufifbyax.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCDisable = "4294967197" prufifbyax.exe -
AutoIT Executable 11 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/1808-145-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4908-146-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4928-147-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/1028-148-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4648-150-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/3304-153-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/1808-164-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4908-165-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4928-166-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/1028-167-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/3304-168-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe -
Drops file in System32 directory 9 IoCs
description ioc Process File created C:\Windows\SysWOW64\prufifbyax.exe 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe File opened for modification C:\Windows\SysWOW64\prufifbyax.exe 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe File created C:\Windows\SysWOW64\levxiphz.exe 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe File opened for modification C:\Windows\SysWOW64\levxiphz.exe 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe File opened for modification C:\Windows\SysWOW64\zztkacystvhuy.exe 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe File created C:\Windows\SysWOW64\fosbshqxfuagojy.exe 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe File opened for modification C:\Windows\SysWOW64\fosbshqxfuagojy.exe 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe File created C:\Windows\SysWOW64\zztkacystvhuy.exe 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe File opened for modification C:\Windows\SysWOW64\msvbvm60.dll prufifbyax.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.DOC.exe levxiphz.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe levxiphz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal levxiphz.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe levxiphz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe levxiphz.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe levxiphz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal levxiphz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe levxiphz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal levxiphz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe levxiphz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal levxiphz.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe levxiphz.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe levxiphz.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe levxiphz.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\mydoc.rtf 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe File opened for modification C:\Windows\mydoc.rtf WINWORD.EXE File created C:\Windows\~$mydoc.rtf WINWORD.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). 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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.vbs\ = "txtfile" prufifbyax.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.reg prufifbyax.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com1 = "32432D7A9D2C83596A3576D670242DD77D8F65A8" 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.bat prufifbyax.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.WSH\ = "txtfile" prufifbyax.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.wsc\ = "txtfile" prufifbyax.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsf prufifbyax.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com2 = "6ACAFABBFE11F1E084083B32819A3E99B08903F14369033EE1B842EA09A3" 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com3 = "2FC7B12F449338EA53BEB9D2329DD4CC" 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom1 = "E0F56BB7FE6A21DAD27ED0D68B799113" 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.vbs prufifbyax.exe Key created \REGISTRY\MACHINE\Software\Classes\CLV.Classes 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com4 = "7FFBFC8D4F5F851A9140D75D7E9CBCEEE6365841674F6244D69D" 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.bat\ = "txtfile" prufifbyax.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom2 = "1844C70F14E2DAB4B8C97FE6ED9337B9" 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsh prufifbyax.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsc prufifbyax.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.WSF\ = "txtfile" prufifbyax.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.reg\ = "txtfile" prufifbyax.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 4272 WINWORD.EXE 4272 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 1808 prufifbyax.exe 1808 prufifbyax.exe 1808 prufifbyax.exe 1808 prufifbyax.exe 1808 prufifbyax.exe 1808 prufifbyax.exe 1808 prufifbyax.exe 1808 prufifbyax.exe 1808 prufifbyax.exe 1808 prufifbyax.exe 4908 fosbshqxfuagojy.exe 4908 fosbshqxfuagojy.exe 4908 fosbshqxfuagojy.exe 4908 fosbshqxfuagojy.exe 4908 fosbshqxfuagojy.exe 4908 fosbshqxfuagojy.exe 4908 fosbshqxfuagojy.exe 4908 fosbshqxfuagojy.exe 4928 levxiphz.exe 4928 levxiphz.exe 4928 levxiphz.exe 4928 levxiphz.exe 4928 levxiphz.exe 4928 levxiphz.exe 4908 fosbshqxfuagojy.exe 4908 fosbshqxfuagojy.exe 4928 levxiphz.exe 4928 levxiphz.exe 1028 zztkacystvhuy.exe 1028 zztkacystvhuy.exe 1028 zztkacystvhuy.exe 1028 zztkacystvhuy.exe 1028 zztkacystvhuy.exe 1028 zztkacystvhuy.exe 1028 zztkacystvhuy.exe 1028 zztkacystvhuy.exe 1028 zztkacystvhuy.exe 1028 zztkacystvhuy.exe 1028 zztkacystvhuy.exe 1028 zztkacystvhuy.exe 4908 fosbshqxfuagojy.exe 4908 fosbshqxfuagojy.exe 3304 levxiphz.exe 3304 levxiphz.exe 3304 levxiphz.exe 3304 levxiphz.exe 3304 levxiphz.exe 3304 levxiphz.exe -
Suspicious use of FindShellTrayWindow 18 IoCs
pid Process 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 1808 prufifbyax.exe 1808 prufifbyax.exe 1808 prufifbyax.exe 4908 fosbshqxfuagojy.exe 4908 fosbshqxfuagojy.exe 4908 fosbshqxfuagojy.exe 4928 levxiphz.exe 4928 levxiphz.exe 4928 levxiphz.exe 1028 zztkacystvhuy.exe 1028 zztkacystvhuy.exe 1028 zztkacystvhuy.exe 3304 levxiphz.exe 3304 levxiphz.exe 3304 levxiphz.exe -
Suspicious use of SendNotifyMessage 18 IoCs
pid Process 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 1808 prufifbyax.exe 1808 prufifbyax.exe 1808 prufifbyax.exe 4908 fosbshqxfuagojy.exe 4908 fosbshqxfuagojy.exe 4908 fosbshqxfuagojy.exe 4928 levxiphz.exe 4928 levxiphz.exe 4928 levxiphz.exe 1028 zztkacystvhuy.exe 1028 zztkacystvhuy.exe 1028 zztkacystvhuy.exe 3304 levxiphz.exe 3304 levxiphz.exe 3304 levxiphz.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 4272 WINWORD.EXE 4272 WINWORD.EXE 4272 WINWORD.EXE 4272 WINWORD.EXE 4272 WINWORD.EXE 4272 WINWORD.EXE 4272 WINWORD.EXE -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 4648 wrote to memory of 1808 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 82 PID 4648 wrote to memory of 1808 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 82 PID 4648 wrote to memory of 1808 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 82 PID 4648 wrote to memory of 4908 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 83 PID 4648 wrote to memory of 4908 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 83 PID 4648 wrote to memory of 4908 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 83 PID 4648 wrote to memory of 4928 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 84 PID 4648 wrote to memory of 4928 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 84 PID 4648 wrote to memory of 4928 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 84 PID 4648 wrote to memory of 1028 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 85 PID 4648 wrote to memory of 1028 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 85 PID 4648 wrote to memory of 1028 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 85 PID 4648 wrote to memory of 4272 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 86 PID 4648 wrote to memory of 4272 4648 815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe 86 PID 1808 wrote to memory of 3304 1808 prufifbyax.exe 88 PID 1808 wrote to memory of 3304 1808 prufifbyax.exe 88 PID 1808 wrote to memory of 3304 1808 prufifbyax.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.exe"C:\Users\Admin\AppData\Local\Temp\815f5401d157fc3ee660b4d5142ea393253ae3a6ba62dc5d5b7641c59cd76170.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:4648 -
C:\Windows\SysWOW64\prufifbyax.exeprufifbyax.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:1808 -
C:\Windows\SysWOW64\levxiphz.exeC:\Windows\system32\levxiphz.exe3⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3304
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C:\Windows\SysWOW64\fosbshqxfuagojy.exefosbshqxfuagojy.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4908
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C:\Windows\SysWOW64\levxiphz.exelevxiphz.exe2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4928
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C:\Windows\SysWOW64\zztkacystvhuy.exezztkacystvhuy.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1028
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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:4272
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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
MD52a655af5a1976f7a41471faebc89a262
SHA1278e192928a6df7da195118d7a406b0daf94834b
SHA256ce72eacc29c6eab23ef8a1077c8d803ae3b18f724e328c1509b1c7e66d8635e8
SHA5121765a9d7dcb49a7bd2aa6514171fa16e6a9703787ce7e18e4192576355f1cec10adc9aaf8b2508e8671fbc8a04aa9d9d79c58bc48af7dff89b0196a6dfa4f382
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Filesize
255KB
MD5cca8f079151ebaa80597b0cd51c699ee
SHA175ae1e8b18baa465ba3b9b4a189a1b6945c8d160
SHA256eee40fa58db002e08a746881ad292e375daa58f1086cae7ee8e6fc8dbb73a88a
SHA512d8360a86d287c6947537719b29108598df6609f1285749f20fd441f7ee75f6f64bfe358aab5d6c3b822e74dcaa76df9b9628f390aa283569535923cc480aa229
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Filesize
255KB
MD58287d116e9c3f86a0b3c36b338b05730
SHA157818eae9ba1a7ef9b5cf790f8f6241e038e8a0a
SHA25694e14903c194de7021958f20849a943372b05a9ff146951ac35568fc1f875d9b
SHA51279af9810ed86bc10fc845076f16ad22e8e3b81ddf1bbed3b6112ddb23b1070fcc3d3a1ab07ce3c64c33843c2e89f79b37f4211480005891a10a4ae1da817e06e
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Filesize
255KB
MD58287d116e9c3f86a0b3c36b338b05730
SHA157818eae9ba1a7ef9b5cf790f8f6241e038e8a0a
SHA25694e14903c194de7021958f20849a943372b05a9ff146951ac35568fc1f875d9b
SHA51279af9810ed86bc10fc845076f16ad22e8e3b81ddf1bbed3b6112ddb23b1070fcc3d3a1ab07ce3c64c33843c2e89f79b37f4211480005891a10a4ae1da817e06e
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Filesize
255KB
MD52f6e2f0c1d5d5f1b56eaceae3d56170e
SHA11962b88f5096a4c2d57e29f17db6d3bd9b4ab4eb
SHA25628334511847d4e95fd8ca03a69a681833d295fed1df99b247038557462d14ee8
SHA512438eb2bf1a03545d078b364e233b789254f664b053a787e3b107ee58d702908a135cd1dbd185eeafac432cdddacd60087aa69095260f421e8ec2e316fc829899
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Filesize
255KB
MD52f6e2f0c1d5d5f1b56eaceae3d56170e
SHA11962b88f5096a4c2d57e29f17db6d3bd9b4ab4eb
SHA25628334511847d4e95fd8ca03a69a681833d295fed1df99b247038557462d14ee8
SHA512438eb2bf1a03545d078b364e233b789254f664b053a787e3b107ee58d702908a135cd1dbd185eeafac432cdddacd60087aa69095260f421e8ec2e316fc829899
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Filesize
255KB
MD52f6e2f0c1d5d5f1b56eaceae3d56170e
SHA11962b88f5096a4c2d57e29f17db6d3bd9b4ab4eb
SHA25628334511847d4e95fd8ca03a69a681833d295fed1df99b247038557462d14ee8
SHA512438eb2bf1a03545d078b364e233b789254f664b053a787e3b107ee58d702908a135cd1dbd185eeafac432cdddacd60087aa69095260f421e8ec2e316fc829899
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Filesize
255KB
MD5836aaa5a884f173a51f929c66623b1a0
SHA1b0927ac84260620a2eebf8d3a11c4307ec39eeb1
SHA2569dbf96ba726af845a180d7a160ca05351f1a3d29020744e02ddf0d19b8dd4253
SHA51235d06a79ba5451f88af8f4885be50219ef68e8e95754d9d3b7ae27e5782942b1c4b7c76cfdbbf05c7482d3e204e5b901171e78b7afa4a896540bb335e87b8ea3
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Filesize
255KB
MD5836aaa5a884f173a51f929c66623b1a0
SHA1b0927ac84260620a2eebf8d3a11c4307ec39eeb1
SHA2569dbf96ba726af845a180d7a160ca05351f1a3d29020744e02ddf0d19b8dd4253
SHA51235d06a79ba5451f88af8f4885be50219ef68e8e95754d9d3b7ae27e5782942b1c4b7c76cfdbbf05c7482d3e204e5b901171e78b7afa4a896540bb335e87b8ea3
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Filesize
255KB
MD5c4b63e0a67bc5062428a627a96cd2797
SHA1d7de48940ee89462ac6ec5a576318107447abca2
SHA256a27547fac274d8f486a8c2ad18b7df8b42db427f6fd278e3e1690986b2c9ce48
SHA5129419d71c5e5ff942a79ff3eab21bb13e90159f3347abaccdb830c0583c613c9f020fa7955e50692e7ca04d469577e373535307c8a1ff625da97eafecd817c67c
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Filesize
255KB
MD5c4b63e0a67bc5062428a627a96cd2797
SHA1d7de48940ee89462ac6ec5a576318107447abca2
SHA256a27547fac274d8f486a8c2ad18b7df8b42db427f6fd278e3e1690986b2c9ce48
SHA5129419d71c5e5ff942a79ff3eab21bb13e90159f3347abaccdb830c0583c613c9f020fa7955e50692e7ca04d469577e373535307c8a1ff625da97eafecd817c67c
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Filesize
223B
MD506604e5941c126e2e7be02c5cd9f62ec
SHA14eb9fdf8ff4e1e539236002bd363b82c8f8930e1
SHA25685f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2
SHA512803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7