Analysis
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max time kernel
153s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 18:42
Behavioral task
behavioral1
Sample
83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe
Resource
win7-20221111-en
General
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Target
83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe
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Size
255KB
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MD5
435ca4708c1be08135062752959b4480
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SHA1
183383d79e64d87369995979233d8dec0993d998
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SHA256
83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24
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SHA512
74fe55fe4538da0673502a1db05c8163f098f335b9481399a357c2a59c767b9a92da0cd6e2d1ec6c48d781aaa25cc127d5cd7927a169b0e40cc7c725a1f472f6
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SSDEEP
3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJN:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIW
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
Processes:
bzuxensjvr.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" bzuxensjvr.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
Processes:
bzuxensjvr.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" bzuxensjvr.exe -
Processes:
bzuxensjvr.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" bzuxensjvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" bzuxensjvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" bzuxensjvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" bzuxensjvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" bzuxensjvr.exe -
Disables RegEdit via registry modification 1 IoCs
Processes:
bzuxensjvr.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" bzuxensjvr.exe -
Executes dropped EXE 5 IoCs
Processes:
bzuxensjvr.exefmqikfjqhyuneql.exehsjcqycc.exetvfxyslhioxww.exehsjcqycc.exepid process 5024 bzuxensjvr.exe 4988 fmqikfjqhyuneql.exe 4968 hsjcqycc.exe 4508 tvfxyslhioxww.exe 2356 hsjcqycc.exe -
Processes:
resource yara_rule behavioral2/memory/2816-132-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/2816-133-0x0000000000400000-0x00000000004A0000-memory.dmp upx C:\Windows\SysWOW64\bzuxensjvr.exe upx C:\Windows\SysWOW64\bzuxensjvr.exe upx C:\Windows\SysWOW64\fmqikfjqhyuneql.exe upx C:\Windows\SysWOW64\hsjcqycc.exe upx C:\Windows\SysWOW64\hsjcqycc.exe upx C:\Windows\SysWOW64\tvfxyslhioxww.exe upx C:\Windows\SysWOW64\tvfxyslhioxww.exe upx behavioral2/memory/4988-141-0x0000000000400000-0x00000000004A0000-memory.dmp upx C:\Windows\SysWOW64\fmqikfjqhyuneql.exe upx behavioral2/memory/4968-148-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4508-149-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/2816-150-0x0000000000400000-0x00000000004A0000-memory.dmp upx C:\Windows\SysWOW64\hsjcqycc.exe upx behavioral2/memory/2356-153-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/5024-161-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4988-162-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4968-164-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/4508-165-0x0000000000400000-0x00000000004A0000-memory.dmp upx behavioral2/memory/2356-166-0x0000000000400000-0x00000000004A0000-memory.dmp upx C:\Users\Admin\AppData\Roaming\DisconnectCompare.doc.exe upx \??\c:\Users\Admin\AppData\Roaming\DisconnectCompare.doc.exe upx C:\Users\Admin\Documents\ProtectClose.doc.exe upx \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe upx \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe upx -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.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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Processes:
bzuxensjvr.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" bzuxensjvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" bzuxensjvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" bzuxensjvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirstRunDisabled = "1" bzuxensjvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1" bzuxensjvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1" bzuxensjvr.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
fmqikfjqhyuneql.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run fmqikfjqhyuneql.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\sgplhsme = "bzuxensjvr.exe" fmqikfjqhyuneql.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\dgbrzgal = "fmqikfjqhyuneql.exe" fmqikfjqhyuneql.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "tvfxyslhioxww.exe" fmqikfjqhyuneql.exe -
Enumerates connected drives 3 TTPs 64 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
bzuxensjvr.exehsjcqycc.exehsjcqycc.exedescription ioc process File opened (read-only) \??\u: bzuxensjvr.exe File opened (read-only) \??\f: hsjcqycc.exe File opened (read-only) \??\j: hsjcqycc.exe File opened (read-only) \??\k: hsjcqycc.exe File opened (read-only) \??\h: hsjcqycc.exe File opened (read-only) \??\z: hsjcqycc.exe File opened (read-only) \??\u: hsjcqycc.exe File opened (read-only) \??\m: bzuxensjvr.exe File opened (read-only) \??\q: bzuxensjvr.exe File opened (read-only) \??\x: bzuxensjvr.exe File opened (read-only) \??\y: bzuxensjvr.exe File opened (read-only) \??\e: hsjcqycc.exe File opened (read-only) \??\r: hsjcqycc.exe File opened (read-only) \??\o: hsjcqycc.exe File opened (read-only) \??\t: hsjcqycc.exe File opened (read-only) \??\y: hsjcqycc.exe File opened (read-only) \??\l: bzuxensjvr.exe File opened (read-only) \??\f: hsjcqycc.exe File opened (read-only) \??\l: hsjcqycc.exe File opened (read-only) \??\o: hsjcqycc.exe File opened (read-only) \??\p: hsjcqycc.exe File opened (read-only) \??\i: bzuxensjvr.exe File opened (read-only) \??\s: bzuxensjvr.exe File opened (read-only) \??\n: hsjcqycc.exe File opened (read-only) \??\b: hsjcqycc.exe File opened (read-only) \??\m: hsjcqycc.exe File opened (read-only) \??\n: bzuxensjvr.exe File opened (read-only) \??\i: hsjcqycc.exe File opened (read-only) \??\g: hsjcqycc.exe File opened (read-only) \??\a: bzuxensjvr.exe File opened (read-only) \??\k: bzuxensjvr.exe File opened (read-only) \??\p: bzuxensjvr.exe File opened (read-only) \??\q: hsjcqycc.exe File opened (read-only) \??\q: hsjcqycc.exe File opened (read-only) \??\f: bzuxensjvr.exe File opened (read-only) \??\j: bzuxensjvr.exe File opened (read-only) \??\u: hsjcqycc.exe File opened (read-only) \??\w: hsjcqycc.exe File opened (read-only) \??\j: hsjcqycc.exe File opened (read-only) \??\e: hsjcqycc.exe File opened (read-only) \??\v: hsjcqycc.exe File opened (read-only) \??\e: bzuxensjvr.exe File opened (read-only) \??\z: bzuxensjvr.exe File opened (read-only) \??\p: hsjcqycc.exe File opened (read-only) \??\s: hsjcqycc.exe File opened (read-only) \??\z: hsjcqycc.exe File opened (read-only) \??\a: hsjcqycc.exe File opened (read-only) \??\w: hsjcqycc.exe File opened (read-only) \??\r: bzuxensjvr.exe File opened (read-only) \??\t: bzuxensjvr.exe File opened (read-only) \??\g: hsjcqycc.exe File opened (read-only) \??\h: hsjcqycc.exe File opened (read-only) \??\n: hsjcqycc.exe File opened (read-only) \??\x: hsjcqycc.exe File opened (read-only) \??\y: hsjcqycc.exe File opened (read-only) \??\b: bzuxensjvr.exe File opened (read-only) \??\l: hsjcqycc.exe File opened (read-only) \??\v: hsjcqycc.exe File opened (read-only) \??\s: hsjcqycc.exe File opened (read-only) \??\b: hsjcqycc.exe File opened (read-only) \??\i: hsjcqycc.exe File opened (read-only) \??\o: bzuxensjvr.exe File opened (read-only) \??\g: bzuxensjvr.exe File opened (read-only) \??\t: hsjcqycc.exe -
Modifies WinLogon 2 TTPs 2 IoCs
Processes:
bzuxensjvr.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCScan = "0" bzuxensjvr.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCDisable = "4294967197" bzuxensjvr.exe -
AutoIT Executable 11 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule behavioral2/memory/2816-133-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4988-141-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4968-148-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4508-149-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/2816-150-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/2356-153-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/5024-161-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4988-162-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4968-164-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/4508-165-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe behavioral2/memory/2356-166-0x0000000000400000-0x00000000004A0000-memory.dmp autoit_exe -
Drops file in System32 directory 13 IoCs
Processes:
83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exebzuxensjvr.exehsjcqycc.exehsjcqycc.exedescription ioc process File created C:\Windows\SysWOW64\hsjcqycc.exe 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe File opened for modification C:\Windows\SysWOW64\tvfxyslhioxww.exe 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe File opened for modification C:\Windows\SysWOW64\msvbvm60.dll bzuxensjvr.exe File opened for modification \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe hsjcqycc.exe File created C:\Windows\SysWOW64\bzuxensjvr.exe 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe File opened for modification C:\Windows\SysWOW64\bzuxensjvr.exe 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe File opened for modification C:\Windows\SysWOW64\hsjcqycc.exe 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe File created C:\Windows\SysWOW64\tvfxyslhioxww.exe 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe File created \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe hsjcqycc.exe File created \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe hsjcqycc.exe File opened for modification \??\c:\Windows\SysWOW64\MSDRM\MsoIrmProtector.doc.exe hsjcqycc.exe File created C:\Windows\SysWOW64\fmqikfjqhyuneql.exe 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe File opened for modification C:\Windows\SysWOW64\fmqikfjqhyuneql.exe 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe -
Drops file in Program Files directory 15 IoCs
Processes:
hsjcqycc.exehsjcqycc.exedescription ioc process File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal hsjcqycc.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe hsjcqycc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe hsjcqycc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal hsjcqycc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe hsjcqycc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe hsjcqycc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.nal hsjcqycc.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe hsjcqycc.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe hsjcqycc.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe hsjcqycc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe hsjcqycc.exe File opened for modification \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe hsjcqycc.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe hsjcqycc.exe File created \??\c:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe hsjcqycc.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.nal hsjcqycc.exe -
Drops file in Windows directory 3 IoCs
Processes:
83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exeWINWORD.EXEdescription ioc process File opened for modification C:\Windows\mydoc.rtf 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.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.
Processes:
WINWORD.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription 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
Processes:
bzuxensjvr.exe83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.vbs bzuxensjvr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom2 = "1844C60F15E0DBC0B9CE7CE3ED9F34BE" 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.bat bzuxensjvr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.wsc\ = "txtfile" bzuxensjvr.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsf bzuxensjvr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.reg\ = "txtfile" bzuxensjvr.exe Key created \REGISTRY\MACHINE\Software\Classes\CLV.Classes 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com3 = "2FC3B02947E4399A52CFB9A232EFD7C5" 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.bat\ = "txtfile" bzuxensjvr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.WSF\ = "txtfile" bzuxensjvr.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsc bzuxensjvr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com1 = "33412D0D9D2C82576A4276A577252CAD7CF165DB" 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com2 = "6ACAFAB9FE17F190837B3B4786EA3E90B0FE03FD4214034EE1CB459A08A6" 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsh bzuxensjvr.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.WSH\ = "txtfile" bzuxensjvr.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com4 = "7FF5FCF8482682199031D65D7DE0BDE5E1405931664F6242D6EA" 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom1 = "E0F26BB2FF1F21ABD278D1D48A749116" 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.vbs\ = "txtfile" bzuxensjvr.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.reg bzuxensjvr.exe -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 4360 WINWORD.EXE 4360 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exehsjcqycc.exebzuxensjvr.exefmqikfjqhyuneql.exetvfxyslhioxww.exepid process 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 4968 hsjcqycc.exe 4968 hsjcqycc.exe 4968 hsjcqycc.exe 4968 hsjcqycc.exe 4968 hsjcqycc.exe 4968 hsjcqycc.exe 4968 hsjcqycc.exe 4968 hsjcqycc.exe 5024 bzuxensjvr.exe 5024 bzuxensjvr.exe 5024 bzuxensjvr.exe 5024 bzuxensjvr.exe 5024 bzuxensjvr.exe 5024 bzuxensjvr.exe 5024 bzuxensjvr.exe 5024 bzuxensjvr.exe 5024 bzuxensjvr.exe 5024 bzuxensjvr.exe 4988 fmqikfjqhyuneql.exe 4988 fmqikfjqhyuneql.exe 4988 fmqikfjqhyuneql.exe 4988 fmqikfjqhyuneql.exe 4988 fmqikfjqhyuneql.exe 4988 fmqikfjqhyuneql.exe 4988 fmqikfjqhyuneql.exe 4988 fmqikfjqhyuneql.exe 4988 fmqikfjqhyuneql.exe 4988 fmqikfjqhyuneql.exe 4508 tvfxyslhioxww.exe 4508 tvfxyslhioxww.exe 4508 tvfxyslhioxww.exe 4508 tvfxyslhioxww.exe 4508 tvfxyslhioxww.exe 4508 tvfxyslhioxww.exe 4508 tvfxyslhioxww.exe 4508 tvfxyslhioxww.exe 4508 tvfxyslhioxww.exe 4508 tvfxyslhioxww.exe 4508 tvfxyslhioxww.exe 4508 tvfxyslhioxww.exe 4988 fmqikfjqhyuneql.exe 4988 fmqikfjqhyuneql.exe 4508 tvfxyslhioxww.exe 4508 tvfxyslhioxww.exe 4508 tvfxyslhioxww.exe 4508 tvfxyslhioxww.exe 4988 fmqikfjqhyuneql.exe 4988 fmqikfjqhyuneql.exe -
Suspicious use of FindShellTrayWindow 18 IoCs
Processes:
83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exebzuxensjvr.exehsjcqycc.exefmqikfjqhyuneql.exetvfxyslhioxww.exehsjcqycc.exepid process 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 5024 bzuxensjvr.exe 5024 bzuxensjvr.exe 5024 bzuxensjvr.exe 4968 hsjcqycc.exe 4968 hsjcqycc.exe 4968 hsjcqycc.exe 4988 fmqikfjqhyuneql.exe 4988 fmqikfjqhyuneql.exe 4988 fmqikfjqhyuneql.exe 4508 tvfxyslhioxww.exe 4508 tvfxyslhioxww.exe 4508 tvfxyslhioxww.exe 2356 hsjcqycc.exe 2356 hsjcqycc.exe 2356 hsjcqycc.exe -
Suspicious use of SendNotifyMessage 18 IoCs
Processes:
83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exebzuxensjvr.exehsjcqycc.exefmqikfjqhyuneql.exetvfxyslhioxww.exehsjcqycc.exepid process 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe 5024 bzuxensjvr.exe 5024 bzuxensjvr.exe 5024 bzuxensjvr.exe 4968 hsjcqycc.exe 4968 hsjcqycc.exe 4968 hsjcqycc.exe 4988 fmqikfjqhyuneql.exe 4988 fmqikfjqhyuneql.exe 4988 fmqikfjqhyuneql.exe 4508 tvfxyslhioxww.exe 4508 tvfxyslhioxww.exe 4508 tvfxyslhioxww.exe 2356 hsjcqycc.exe 2356 hsjcqycc.exe 2356 hsjcqycc.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
WINWORD.EXEpid process 4360 WINWORD.EXE 4360 WINWORD.EXE 4360 WINWORD.EXE 4360 WINWORD.EXE 4360 WINWORD.EXE 4360 WINWORD.EXE 4360 WINWORD.EXE -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exebzuxensjvr.exedescription pid process target process PID 2816 wrote to memory of 5024 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe bzuxensjvr.exe PID 2816 wrote to memory of 5024 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe bzuxensjvr.exe PID 2816 wrote to memory of 5024 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe bzuxensjvr.exe PID 2816 wrote to memory of 4988 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe fmqikfjqhyuneql.exe PID 2816 wrote to memory of 4988 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe fmqikfjqhyuneql.exe PID 2816 wrote to memory of 4988 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe fmqikfjqhyuneql.exe PID 2816 wrote to memory of 4968 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe hsjcqycc.exe PID 2816 wrote to memory of 4968 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe hsjcqycc.exe PID 2816 wrote to memory of 4968 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe hsjcqycc.exe PID 2816 wrote to memory of 4508 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe tvfxyslhioxww.exe PID 2816 wrote to memory of 4508 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe tvfxyslhioxww.exe PID 2816 wrote to memory of 4508 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe tvfxyslhioxww.exe PID 2816 wrote to memory of 4360 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe WINWORD.EXE PID 2816 wrote to memory of 4360 2816 83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe WINWORD.EXE PID 5024 wrote to memory of 2356 5024 bzuxensjvr.exe hsjcqycc.exe PID 5024 wrote to memory of 2356 5024 bzuxensjvr.exe hsjcqycc.exe PID 5024 wrote to memory of 2356 5024 bzuxensjvr.exe hsjcqycc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.exe"C:\Users\Admin\AppData\Local\Temp\83d66a582810bc00186c280c5925a41acfa4ab4d85f4994ba83306c4d906ba24.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:2816 -
C:\Windows\SysWOW64\bzuxensjvr.exebzuxensjvr.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:5024 -
C:\Windows\SysWOW64\hsjcqycc.exeC:\Windows\system32\hsjcqycc.exe3⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2356 -
C:\Windows\SysWOW64\fmqikfjqhyuneql.exefmqikfjqhyuneql.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4988 -
C:\Windows\SysWOW64\hsjcqycc.exehsjcqycc.exe2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4968 -
C:\Windows\SysWOW64\tvfxyslhioxww.exetvfxyslhioxww.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4508 -
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:4360
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
MD56455627a2aada2fc43827ad95a710a94
SHA13f551df5bfb7b9dc3b87f2c8155149a4c538c44f
SHA256657c870f7b2e954c5bedf67512cf7430c692b2e9146eeedeb253704e5495ce61
SHA51266c2c0b910de13a59b114db86405bb5ca487c31408cae626b30dc76f27b579588e56f48757532b1514170c43d2901bcd4873e9c9e5e5285ddeb13145d3dc97c8
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Filesize
255KB
MD5cf2d1fe2dd5940a55d9765ad09072ad1
SHA1a04de876c4a24bc1aeeab13624d8248d5d1628de
SHA256552a9c2ec95944f97e9107d83d85a79e6f89e2c8af28830d98272476d5779403
SHA512031654e2822b023e68a2a1542b8be91b87378ee25a863c64908888737a44f39a513410de676a3413aa18c653cfc8640aae198040c82070bed2ffbe4d73289424
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Filesize
255KB
MD507f5c27d081bdfc1d21d9dff9de92bde
SHA19482c77e7a004e0ec19d4ca445867ad4dceb136b
SHA25641403288293f19fe61bad0232a81847dd78be19a65a04e74546534d17f4d9148
SHA51294167c1b33d39caeb8594239452c501d61dde959c1a0deaab91d8e28948b6ed4a5c8c163429ade4230985b4dac61f9137d5bcaf3bde3818d1be593be63ec1f85
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Filesize
255KB
MD507f5c27d081bdfc1d21d9dff9de92bde
SHA19482c77e7a004e0ec19d4ca445867ad4dceb136b
SHA25641403288293f19fe61bad0232a81847dd78be19a65a04e74546534d17f4d9148
SHA51294167c1b33d39caeb8594239452c501d61dde959c1a0deaab91d8e28948b6ed4a5c8c163429ade4230985b4dac61f9137d5bcaf3bde3818d1be593be63ec1f85
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Filesize
255KB
MD566dce80e26b9ac74f3409320158b6cd7
SHA18942807e907eb70f1076ff766a93cda9f36c964f
SHA25625a2235dc87a5dedec9b0662c145542e0fb85fcd3fc5b0d3982038053e2fe1f8
SHA512b60068c220f809fb009c81380e8d6c0a1f905cdf431cfaf61bb0e538d650956f9757e8244b4fee2bef9a158fdcced43c2e8fca82e7021ef4514b3c5e7f194215
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Filesize
255KB
MD566dce80e26b9ac74f3409320158b6cd7
SHA18942807e907eb70f1076ff766a93cda9f36c964f
SHA25625a2235dc87a5dedec9b0662c145542e0fb85fcd3fc5b0d3982038053e2fe1f8
SHA512b60068c220f809fb009c81380e8d6c0a1f905cdf431cfaf61bb0e538d650956f9757e8244b4fee2bef9a158fdcced43c2e8fca82e7021ef4514b3c5e7f194215
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Filesize
255KB
MD58e72cbcdf9c51ae0d2384af33980bd0f
SHA1db0660440828f74bb73e8a0332045dd6ddd9248a
SHA2564d62717cb77cda6106ea9e4e17c605e56661f2253ee2a556204a45b239f5c14e
SHA512ccda3936814fa2294e1e87edbe3852924905f93e6a857be06f17533bd0f8b60dae2947ad2277d1b04c3113467af10b751329d2c313ca0e32b383cd01f344fab0
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Filesize
255KB
MD58e72cbcdf9c51ae0d2384af33980bd0f
SHA1db0660440828f74bb73e8a0332045dd6ddd9248a
SHA2564d62717cb77cda6106ea9e4e17c605e56661f2253ee2a556204a45b239f5c14e
SHA512ccda3936814fa2294e1e87edbe3852924905f93e6a857be06f17533bd0f8b60dae2947ad2277d1b04c3113467af10b751329d2c313ca0e32b383cd01f344fab0
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Filesize
255KB
MD58e72cbcdf9c51ae0d2384af33980bd0f
SHA1db0660440828f74bb73e8a0332045dd6ddd9248a
SHA2564d62717cb77cda6106ea9e4e17c605e56661f2253ee2a556204a45b239f5c14e
SHA512ccda3936814fa2294e1e87edbe3852924905f93e6a857be06f17533bd0f8b60dae2947ad2277d1b04c3113467af10b751329d2c313ca0e32b383cd01f344fab0
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Filesize
255KB
MD5dca37eb56c489abb49f093d0bda12117
SHA1ec8b4544518b27de4decb3843ae2bdc3d0982790
SHA2563bb9fad8991c5bdf180d99a0882450f1dce3ac4d66ca8b79b5b232cf52f7f664
SHA51215def5bbe3ce23cad29c94554769410f3c583731c21fe7cfadc9a7fa278681c8abddb5a9361112f611f48160a0eec617114063e30f2092c58da3097bca4a3b5e
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Filesize
255KB
MD5dca37eb56c489abb49f093d0bda12117
SHA1ec8b4544518b27de4decb3843ae2bdc3d0982790
SHA2563bb9fad8991c5bdf180d99a0882450f1dce3ac4d66ca8b79b5b232cf52f7f664
SHA51215def5bbe3ce23cad29c94554769410f3c583731c21fe7cfadc9a7fa278681c8abddb5a9361112f611f48160a0eec617114063e30f2092c58da3097bca4a3b5e
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Filesize
223B
MD506604e5941c126e2e7be02c5cd9f62ec
SHA14eb9fdf8ff4e1e539236002bd363b82c8f8930e1
SHA25685f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2
SHA512803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7
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Filesize
255KB
MD56455627a2aada2fc43827ad95a710a94
SHA13f551df5bfb7b9dc3b87f2c8155149a4c538c44f
SHA256657c870f7b2e954c5bedf67512cf7430c692b2e9146eeedeb253704e5495ce61
SHA51266c2c0b910de13a59b114db86405bb5ca487c31408cae626b30dc76f27b579588e56f48757532b1514170c43d2901bcd4873e9c9e5e5285ddeb13145d3dc97c8
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Filesize
255KB
MD507f5c27d081bdfc1d21d9dff9de92bde
SHA19482c77e7a004e0ec19d4ca445867ad4dceb136b
SHA25641403288293f19fe61bad0232a81847dd78be19a65a04e74546534d17f4d9148
SHA51294167c1b33d39caeb8594239452c501d61dde959c1a0deaab91d8e28948b6ed4a5c8c163429ade4230985b4dac61f9137d5bcaf3bde3818d1be593be63ec1f85
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Filesize
255KB
MD53342550809bdc78dfbe7bb98dc856235
SHA10bea1a87e047a056ae4bbb3dfee2a65912a4ff00
SHA256367bf292cd939c624b446dd0f76625f4e295e241ab0f1d7ddb86d7d293910120
SHA512cda34e149639f1342fed95c03df316adbaf46c2dbff5c29c5f83fea2df23aa73f65486c274b53d67e5568b636b4e142fa3d287dd73045ef9e9253aa612927e1a