Analysis
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max time kernel
149s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
09/03/2024, 19:22
Static task
static1
Behavioral task
behavioral1
Sample
bc99c4677a06951c7c1b7ce58f5d29d3.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
bc99c4677a06951c7c1b7ce58f5d29d3.exe
Resource
win10v2004-20240226-en
General
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Target
bc99c4677a06951c7c1b7ce58f5d29d3.exe
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Size
512KB
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MD5
bc99c4677a06951c7c1b7ce58f5d29d3
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SHA1
7d7d01882e8cf2a5afc3324f88c21817405c5632
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SHA256
ce425c663951485304a21f3bd6bfb536f0c270478f411bafc09ebeea86324559
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SHA512
c216c2a0ce0dbaf52aae43a70a75f1ffbc812bc1e38057bfa3850dd7d996b48561d97f7240570a65780e30f317cb12a4dbc7357392cf9e967f52115ab29a9721
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SSDEEP
6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj66:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5F
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-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" iwaxctbhaf.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" iwaxctbhaf.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" iwaxctbhaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" iwaxctbhaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" iwaxctbhaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" iwaxctbhaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" iwaxctbhaf.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" iwaxctbhaf.exe -
Executes dropped EXE 5 IoCs
pid Process 2552 iwaxctbhaf.exe 2600 fljdwnnbnnobjjt.exe 2684 qvxuiquz.exe 2876 oeoxjrkrxyohp.exe 2632 qvxuiquz.exe -
Loads dropped DLL 6 IoCs
pid Process 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 2552 iwaxctbhaf.exe 2564 cmd.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\UpdatesDisableNotify = "1" iwaxctbhaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirstRunDisabled = "1" iwaxctbhaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1" iwaxctbhaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1" iwaxctbhaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1" iwaxctbhaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1" iwaxctbhaf.exe -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\stgjmhxb = "iwaxctbhaf.exe" fljdwnnbnnobjjt.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\rkuiulwj = "fljdwnnbnnobjjt.exe" fljdwnnbnnobjjt.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ = "oeoxjrkrxyohp.exe" fljdwnnbnnobjjt.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) \??\l: qvxuiquz.exe File opened (read-only) \??\r: qvxuiquz.exe File opened (read-only) \??\q: iwaxctbhaf.exe File opened (read-only) \??\k: iwaxctbhaf.exe File opened (read-only) \??\s: iwaxctbhaf.exe File opened (read-only) \??\t: iwaxctbhaf.exe File opened (read-only) \??\w: iwaxctbhaf.exe File opened (read-only) \??\p: qvxuiquz.exe File opened (read-only) \??\z: qvxuiquz.exe File opened (read-only) \??\w: qvxuiquz.exe File opened (read-only) \??\j: iwaxctbhaf.exe File opened (read-only) \??\u: qvxuiquz.exe File opened (read-only) \??\b: iwaxctbhaf.exe File opened (read-only) \??\e: qvxuiquz.exe File opened (read-only) \??\q: qvxuiquz.exe File opened (read-only) \??\b: qvxuiquz.exe File opened (read-only) \??\p: qvxuiquz.exe File opened (read-only) \??\n: qvxuiquz.exe File opened (read-only) \??\q: qvxuiquz.exe File opened (read-only) \??\g: iwaxctbhaf.exe File opened (read-only) \??\g: qvxuiquz.exe File opened (read-only) \??\o: qvxuiquz.exe File opened (read-only) \??\e: qvxuiquz.exe File opened (read-only) \??\j: qvxuiquz.exe File opened (read-only) \??\y: iwaxctbhaf.exe File opened (read-only) \??\r: iwaxctbhaf.exe File opened (read-only) \??\u: iwaxctbhaf.exe File opened (read-only) \??\z: qvxuiquz.exe File opened (read-only) \??\m: iwaxctbhaf.exe File opened (read-only) \??\o: iwaxctbhaf.exe File opened (read-only) \??\v: qvxuiquz.exe File opened (read-only) \??\h: qvxuiquz.exe File opened (read-only) \??\s: qvxuiquz.exe File opened (read-only) \??\l: iwaxctbhaf.exe File opened (read-only) \??\z: iwaxctbhaf.exe File opened (read-only) \??\g: qvxuiquz.exe File opened (read-only) \??\t: qvxuiquz.exe File opened (read-only) \??\u: qvxuiquz.exe File opened (read-only) \??\y: qvxuiquz.exe File opened (read-only) \??\j: qvxuiquz.exe File opened (read-only) \??\n: iwaxctbhaf.exe File opened (read-only) \??\x: iwaxctbhaf.exe File opened (read-only) \??\m: qvxuiquz.exe File opened (read-only) \??\m: qvxuiquz.exe File opened (read-only) \??\i: iwaxctbhaf.exe File opened (read-only) \??\h: qvxuiquz.exe File opened (read-only) \??\t: qvxuiquz.exe File opened (read-only) \??\y: qvxuiquz.exe File opened (read-only) \??\k: qvxuiquz.exe File opened (read-only) \??\e: iwaxctbhaf.exe File opened (read-only) \??\x: qvxuiquz.exe File opened (read-only) \??\h: iwaxctbhaf.exe File opened (read-only) \??\s: qvxuiquz.exe File opened (read-only) \??\w: qvxuiquz.exe File opened (read-only) \??\v: iwaxctbhaf.exe File opened (read-only) \??\k: qvxuiquz.exe File opened (read-only) \??\a: iwaxctbhaf.exe File opened (read-only) \??\i: qvxuiquz.exe File opened (read-only) \??\a: qvxuiquz.exe File opened (read-only) \??\v: qvxuiquz.exe File opened (read-only) \??\a: qvxuiquz.exe File opened (read-only) \??\l: qvxuiquz.exe File opened (read-only) \??\p: iwaxctbhaf.exe File opened (read-only) \??\b: qvxuiquz.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCScan = "0" iwaxctbhaf.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\SFCDisable = "4294967197" iwaxctbhaf.exe -
AutoIT Executable 6 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral1/memory/2292-0-0x0000000000400000-0x0000000000496000-memory.dmp autoit_exe behavioral1/files/0x000c00000001342e-5.dat autoit_exe behavioral1/files/0x000c000000012331-17.dat autoit_exe behavioral1/files/0x0038000000013adc-28.dat autoit_exe behavioral1/files/0x0007000000014251-34.dat autoit_exe behavioral1/files/0x0006000000015c9a-74.dat autoit_exe -
Drops file in System32 directory 9 IoCs
description ioc Process File created C:\Windows\SysWOW64\iwaxctbhaf.exe bc99c4677a06951c7c1b7ce58f5d29d3.exe File opened for modification C:\Windows\SysWOW64\iwaxctbhaf.exe bc99c4677a06951c7c1b7ce58f5d29d3.exe File created C:\Windows\SysWOW64\fljdwnnbnnobjjt.exe bc99c4677a06951c7c1b7ce58f5d29d3.exe File opened for modification C:\Windows\SysWOW64\fljdwnnbnnobjjt.exe bc99c4677a06951c7c1b7ce58f5d29d3.exe File created C:\Windows\SysWOW64\qvxuiquz.exe bc99c4677a06951c7c1b7ce58f5d29d3.exe File opened for modification C:\Windows\SysWOW64\oeoxjrkrxyohp.exe bc99c4677a06951c7c1b7ce58f5d29d3.exe File opened for modification C:\Windows\SysWOW64\qvxuiquz.exe bc99c4677a06951c7c1b7ce58f5d29d3.exe File created C:\Windows\SysWOW64\oeoxjrkrxyohp.exe bc99c4677a06951c7c1b7ce58f5d29d3.exe File opened for modification C:\Windows\SysWOW64\msvbvm60.dll iwaxctbhaf.exe -
Drops file in Program Files directory 14 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.nal qvxuiquz.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe qvxuiquz.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe qvxuiquz.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe qvxuiquz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe qvxuiquz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.nal qvxuiquz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.nal qvxuiquz.exe File opened for modification \??\c:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe qvxuiquz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe qvxuiquz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe qvxuiquz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.nal qvxuiquz.exe File opened for modification C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe qvxuiquz.exe File created \??\c:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe qvxuiquz.exe File created \??\c:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLN.DOC.exe qvxuiquz.exe -
Drops file in Windows directory 5 IoCs
description ioc Process File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE File opened for modification C:\Windows\~$mydoc.rtf WINWORD.EXE File opened for modification C:\Windows\mydoc.rtf bc99c4677a06951c7c1b7ce58f5d29d3.exe File opened for modification C:\Windows\mydoc.rtf WINWORD.EXE File created C:\Windows\~$mydoc.rtf WINWORD.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Office loads VBA resources, possible macro or embedded object present
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description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell WINWORD.EXE -
Modifies registry class 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.WSF\ = "txtfile" iwaxctbhaf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\ = "&Open" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\mhtmlfile WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com3 = "2ECAB02C44E6389853BEB9D333E9D4CC" bc99c4677a06951c7c1b7ce58f5d29d3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\ = "&Open" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\htmlfile WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\ = "&Print" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14 WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ = "&Open" WINWORD.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com4 = "7EFEFF82482F82199132D65A7DE5BCEFE643583767316336D6EB" bc99c4677a06951c7c1b7ce58f5d29d3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom1 = "E0F268B1FE1A21A9D27DD0A68B0E9113" bc99c4677a06951c7c1b7ce58f5d29d3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\ = "&Open" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.vbs iwaxctbhaf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.reg\ = "txtfile" iwaxctbhaf.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\ = "&Print" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ThreadingModel = "Apartment" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\ = "&Open" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel" WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit WINWORD.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde" WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit WINWORD.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 WINWORD.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.wsf iwaxctbhaf.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2480 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 2552 iwaxctbhaf.exe 2552 iwaxctbhaf.exe 2552 iwaxctbhaf.exe 2552 iwaxctbhaf.exe 2552 iwaxctbhaf.exe 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 2600 fljdwnnbnnobjjt.exe 2600 fljdwnnbnnobjjt.exe 2600 fljdwnnbnnobjjt.exe 2600 fljdwnnbnnobjjt.exe 2600 fljdwnnbnnobjjt.exe 2684 qvxuiquz.exe 2684 qvxuiquz.exe 2684 qvxuiquz.exe 2684 qvxuiquz.exe 2600 fljdwnnbnnobjjt.exe 2876 oeoxjrkrxyohp.exe 2876 oeoxjrkrxyohp.exe 2876 oeoxjrkrxyohp.exe 2876 oeoxjrkrxyohp.exe 2876 oeoxjrkrxyohp.exe 2876 oeoxjrkrxyohp.exe 2632 qvxuiquz.exe 2632 qvxuiquz.exe 2632 qvxuiquz.exe 2632 qvxuiquz.exe 2600 fljdwnnbnnobjjt.exe 2876 oeoxjrkrxyohp.exe 2876 oeoxjrkrxyohp.exe 2600 fljdwnnbnnobjjt.exe 2600 fljdwnnbnnobjjt.exe 2876 oeoxjrkrxyohp.exe 2876 oeoxjrkrxyohp.exe 2600 fljdwnnbnnobjjt.exe 2876 oeoxjrkrxyohp.exe 2876 oeoxjrkrxyohp.exe 2600 fljdwnnbnnobjjt.exe 2876 oeoxjrkrxyohp.exe 2876 oeoxjrkrxyohp.exe 2600 fljdwnnbnnobjjt.exe 2876 oeoxjrkrxyohp.exe 2876 oeoxjrkrxyohp.exe 2600 fljdwnnbnnobjjt.exe 2876 oeoxjrkrxyohp.exe 2876 oeoxjrkrxyohp.exe 2600 fljdwnnbnnobjjt.exe 2876 oeoxjrkrxyohp.exe 2876 oeoxjrkrxyohp.exe 2600 fljdwnnbnnobjjt.exe 2876 oeoxjrkrxyohp.exe 2876 oeoxjrkrxyohp.exe 2600 fljdwnnbnnobjjt.exe 2876 oeoxjrkrxyohp.exe 2876 oeoxjrkrxyohp.exe 2600 fljdwnnbnnobjjt.exe 2876 oeoxjrkrxyohp.exe 2876 oeoxjrkrxyohp.exe -
Suspicious use of FindShellTrayWindow 18 IoCs
pid Process 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 2552 iwaxctbhaf.exe 2552 iwaxctbhaf.exe 2552 iwaxctbhaf.exe 2600 fljdwnnbnnobjjt.exe 2600 fljdwnnbnnobjjt.exe 2600 fljdwnnbnnobjjt.exe 2684 qvxuiquz.exe 2684 qvxuiquz.exe 2684 qvxuiquz.exe 2876 oeoxjrkrxyohp.exe 2876 oeoxjrkrxyohp.exe 2876 oeoxjrkrxyohp.exe 2632 qvxuiquz.exe 2632 qvxuiquz.exe 2632 qvxuiquz.exe -
Suspicious use of SendNotifyMessage 18 IoCs
pid Process 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 2552 iwaxctbhaf.exe 2552 iwaxctbhaf.exe 2552 iwaxctbhaf.exe 2600 fljdwnnbnnobjjt.exe 2600 fljdwnnbnnobjjt.exe 2600 fljdwnnbnnobjjt.exe 2684 qvxuiquz.exe 2684 qvxuiquz.exe 2684 qvxuiquz.exe 2876 oeoxjrkrxyohp.exe 2876 oeoxjrkrxyohp.exe 2876 oeoxjrkrxyohp.exe 2632 qvxuiquz.exe 2632 qvxuiquz.exe 2632 qvxuiquz.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2480 WINWORD.EXE 2480 WINWORD.EXE -
Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 2292 wrote to memory of 2552 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 28 PID 2292 wrote to memory of 2552 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 28 PID 2292 wrote to memory of 2552 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 28 PID 2292 wrote to memory of 2552 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 28 PID 2292 wrote to memory of 2600 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 29 PID 2292 wrote to memory of 2600 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 29 PID 2292 wrote to memory of 2600 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 29 PID 2292 wrote to memory of 2600 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 29 PID 2292 wrote to memory of 2684 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 30 PID 2292 wrote to memory of 2684 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 30 PID 2292 wrote to memory of 2684 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 30 PID 2292 wrote to memory of 2684 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 30 PID 2600 wrote to memory of 2564 2600 fljdwnnbnnobjjt.exe 31 PID 2600 wrote to memory of 2564 2600 fljdwnnbnnobjjt.exe 31 PID 2600 wrote to memory of 2564 2600 fljdwnnbnnobjjt.exe 31 PID 2600 wrote to memory of 2564 2600 fljdwnnbnnobjjt.exe 31 PID 2292 wrote to memory of 2876 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 33 PID 2292 wrote to memory of 2876 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 33 PID 2292 wrote to memory of 2876 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 33 PID 2292 wrote to memory of 2876 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 33 PID 2552 wrote to memory of 2632 2552 iwaxctbhaf.exe 34 PID 2552 wrote to memory of 2632 2552 iwaxctbhaf.exe 34 PID 2552 wrote to memory of 2632 2552 iwaxctbhaf.exe 34 PID 2552 wrote to memory of 2632 2552 iwaxctbhaf.exe 34 PID 2292 wrote to memory of 2480 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 36 PID 2292 wrote to memory of 2480 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 36 PID 2292 wrote to memory of 2480 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 36 PID 2292 wrote to memory of 2480 2292 bc99c4677a06951c7c1b7ce58f5d29d3.exe 36 PID 2480 wrote to memory of 2704 2480 WINWORD.EXE 39 PID 2480 wrote to memory of 2704 2480 WINWORD.EXE 39 PID 2480 wrote to memory of 2704 2480 WINWORD.EXE 39 PID 2480 wrote to memory of 2704 2480 WINWORD.EXE 39
Processes
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C:\Users\Admin\AppData\Local\Temp\bc99c4677a06951c7c1b7ce58f5d29d3.exe"C:\Users\Admin\AppData\Local\Temp\bc99c4677a06951c7c1b7ce58f5d29d3.exe"1⤵
- Loads dropped DLL
- 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:2292 -
C:\Windows\SysWOW64\iwaxctbhaf.exeiwaxctbhaf.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
- Loads dropped DLL
- 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:2552 -
C:\Windows\SysWOW64\qvxuiquz.exeC:\Windows\system32\qvxuiquz.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:2632
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C:\Windows\SysWOW64\fljdwnnbnnobjjt.exefljdwnnbnnobjjt.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2600 -
C:\Windows\SysWOW64\cmd.execmd.exe /c oeoxjrkrxyohp.exe3⤵
- Loads dropped DLL
PID:2564 -
C:\Windows\SysWOW64\oeoxjrkrxyohp.exeoeoxjrkrxyohp.exe4⤵PID:2516
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C:\Windows\SysWOW64\qvxuiquz.exeqvxuiquz.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:2684
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C:\Windows\SysWOW64\oeoxjrkrxyohp.exeoeoxjrkrxyohp.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2876
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C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"2⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2480 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122883⤵PID:2704
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
2Disable or Modify Tools
2Modify Registry
7Replay Monitor
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Downloads
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Filesize
512KB
MD52b38810733417d44cb5239ad49a2ed40
SHA1081006574aaed609dcc480f268ec9b6c1f3613ab
SHA256be3cc2b3bfb07415531a01601896e82239f8659645e11c71455217de2f250444
SHA512659ab98a23ab1cfa756ce41ba2576cb84b625fe0e3f564aff5a84d58b1230c748bba5536b9cb32e4f5ee5455bc1cc399821fdb1a494b06e17a6ce1a0960530b1
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Filesize
20KB
MD5fd55e39a7c01f0369f9872b5b7487cc8
SHA159a83d8df85f6338acda474a755c25436c350fcf
SHA256354c5971935c3c9a66da2b17d48349a00bef2d7db5e0b5409bdc97c397202f10
SHA51294c79e00a3d1e24fadfec0eeeca8f6533ffbb66c0b345a17e17fc4b033fd2fa9b4159c0cf52621a3bd9651a0f0daa84908e4f1c85f3000aaf82150531c450108
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Filesize
512KB
MD5b504215ee3145f33e9a287a61942e4cf
SHA121ffc864f4543e817c49bec2acc2fef0abc11e0d
SHA256e7a717129dd15ff1a74a632e2d5ef8fe1b335bff344780bbc2b751edbc57e024
SHA5120766f1ab5f646ad9b2ff0b9518df61684f1132995c1e5ef90863723d73473a60ef74f10ad8dfc9e1562783c7d748c9752b1e22b185b7189e0423007abcf5afc3
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Filesize
223B
MD506604e5941c126e2e7be02c5cd9f62ec
SHA14eb9fdf8ff4e1e539236002bd363b82c8f8930e1
SHA25685f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2
SHA512803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7
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Filesize
512KB
MD576407ae9d6b436fc5606d10cb5a1882c
SHA13bb62a56f552bb0fd493356fb94fef50ac5337fd
SHA2563b8b8dfae226c26ed982d9ac93ae8cf314f68b8a6cd6e2487df901cefa59d6b0
SHA5122061ef165f86754fc29a58ae28cbb099dc9c030d363c468f6e153a5a7e060a77501fe417277668f1916f17865c393fb21922a6870aa7114172c6b218c80b484d
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Filesize
512KB
MD53ec05e3464386c82dba16b968ae8a0cb
SHA13b424e851b46aa9ce38ca313ffe409cdd4fcdf57
SHA256c88133ff3b0a4c0d7df86f599594dffd1ea0bf88066f590d36c50be96d059cb6
SHA512d27f462f689f371b77c7049eaf8a364e2cf4134e01e3a8da0e7cc3a863c9119855b993297374e44b5731d4e22fec216184932a4edaa4ebeb255ceb9f93d85b1f
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Filesize
512KB
MD52bbb41a56fd1a8c21ebf59fe83a1424a
SHA156a4b65e86c18cc009737ef148f4b44d2fadafbd
SHA256d3d4c9b1ac00cfb8b450a5760a0903070a37a7518f1073ead34932dcb2f31ac4
SHA5127e36f3849b689d0ed5e730f4ddc8dfd464b221fca40db031cbb6d5a79814e3ca59df73d0c6d076c8efac458fcaf4e2cf28baca846bf1e8040bae2372f1a9e7b6