Analysis
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max time kernel
146s -
max time network
48s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
20-09-2021 18:06
Static task
static1
Behavioral task
behavioral1
Sample
Request for Quotation - P75(D53 )- FATP- RF.xlsx
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
Request for Quotation - P75(D53 )- FATP- RF.xlsx
Resource
win10v20210408
General
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Target
Request for Quotation - P75(D53 )- FATP- RF.xlsx
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Size
363KB
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MD5
6081759506cc8cc4aade4e617b019a1d
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SHA1
25157cf5fac85a628ad9e60196714623040576d9
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SHA256
115a683b3b8b8b83c691c3fc65ce2e72db2525db43bd27296ee54e967fe386c6
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SHA512
91022c8b70840e8a1a24b788afb1516cbe60a3ce51579cd4d7a645d8d3df2cb79df4eb68a918a7fdb4a303204652b1846bb2f88144d18cba10c899ab1f1782ba
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
CXXOxCs5
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect Neshta Payload 5 IoCs
Processes:
resource yara_rule \Users\Public\vbc.exe family_neshta \Users\Public\vbc.exe family_neshta C:\Users\Public\vbc.exe family_neshta C:\Users\Public\vbc.exe family_neshta C:\Users\Admin\AppData\Local\MICROS~1\Windows\TEMPOR~1\Content.IE5\K8CH4PHC\OHMS_1~1.EXE family_neshta -
Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" vbc.exe -
Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1012-76-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1012-77-0x000000000043759E-mapping.dmp family_agenttesla behavioral1/memory/1012-79-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Blocklisted process makes network request 1 IoCs
Processes:
EQNEDT32.EXEflow pid process 4 536 EQNEDT32.EXE -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
Processes:
vbc.exevbc.exevbc.exepid process 1748 vbc.exe 1944 vbc.exe 1012 vbc.exe -
Loads dropped DLL 5 IoCs
Processes:
EQNEDT32.EXEvbc.exevbc.exepid process 536 EQNEDT32.EXE 536 EQNEDT32.EXE 1748 vbc.exe 1748 vbc.exe 1944 vbc.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Uses the VBS compiler for execution 1 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\nwlrFL = "C:\\Users\\Admin\\AppData\\Roaming\\nwlrFL\\nwlrFL.exe" vbc.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
vbc.exedescription pid process target process PID 1944 set thread context of 1012 1944 vbc.exe vbc.exe -
Drops file in Program Files directory 64 IoCs
Processes:
vbc.exedescription ioc process File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE vbc.exe File opened for modification C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE vbc.exe File opened for modification C:\PROGRA~2\WINDOW~1\wab.exe vbc.exe File opened for modification C:\PROGRA~2\WI54FB~1\WMPDMC.exe vbc.exe File opened for modification C:\PROGRA~2\INTERN~1\ieinstal.exe vbc.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE vbc.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE vbc.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpconfig.exe vbc.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmprph.exe vbc.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE vbc.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe vbc.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\misc.exe vbc.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE vbc.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE vbc.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE vbc.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE vbc.exe File opened for modification C:\PROGRA~2\WINDOW~1\wabmig.exe vbc.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE vbc.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe vbc.exe File opened for modification C:\PROGRA~2\INTERN~1\iexplore.exe vbc.exe File opened for modification C:\PROGRA~2\WINDOW~1\WinMail.exe vbc.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE vbc.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE vbc.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmplayer.exe vbc.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE vbc.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE vbc.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe vbc.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE vbc.exe File opened for modification C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe vbc.exe File opened for modification C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE vbc.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE vbc.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe vbc.exe File opened for modification C:\PROGRA~2\WI54FB~1\setup_wm.exe vbc.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe vbc.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE vbc.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE vbc.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE vbc.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE vbc.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE vbc.exe File opened for modification C:\PROGRA~3\PACKAG~1\{F4220~1\VC_RED~1.EXE vbc.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE vbc.exe File opened for modification C:\PROGRA~2\Google\Update\DISABL~1.EXE vbc.exe File opened for modification C:\PROGRA~2\INTERN~1\ielowutil.exe vbc.exe File opened for modification C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE vbc.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE vbc.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmlaunch.exe vbc.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe vbc.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE vbc.exe File opened for modification C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE vbc.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE vbc.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe vbc.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE vbc.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE vbc.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE vbc.exe File opened for modification C:\PROGRA~2\MOZILL~1\UNINST~1.EXE vbc.exe File opened for modification C:\PROGRA~2\WI4223~1\sidebar.exe vbc.exe File opened for modification C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE vbc.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe vbc.exe File opened for modification C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE vbc.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe vbc.exe File opened for modification C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE vbc.exe File opened for modification C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE vbc.exe File opened for modification C:\PROGRA~2\WI54FB~1\wmpshare.exe vbc.exe File opened for modification C:\PROGRA~2\WINDOW~4\ImagingDevices.exe vbc.exe -
Drops file in Windows directory 1 IoCs
Processes:
vbc.exedescription ioc process File opened for modification C:\Windows\svchost.com vbc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Enumerates system info in registry 2 TTPs 1 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
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Processes:
EXCEL.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command EXCEL.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\"" EXCEL.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\"" EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 EXCEL.EXE -
Modifies registry class 64 IoCs
Processes:
EXCEL.EXEdescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ = "&Open" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32 EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "\"%1\"" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ThreadingModel = "Apartment" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon\ = "\"%1\"" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\htmlfile EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\ = "&Print" EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open" EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\ = "&Print" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\ = "&Open" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\ = "&Edit" EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel" EXCEL.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" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\ = "&Open" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\ = "&Open" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1596 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
vbc.exevbc.exepid process 1944 vbc.exe 1944 vbc.exe 1012 vbc.exe 1012 vbc.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
vbc.exevbc.exedescription pid process Token: SeDebugPrivilege 1944 vbc.exe Token: SeDebugPrivilege 1012 vbc.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1596 EXCEL.EXE 1596 EXCEL.EXE 1596 EXCEL.EXE -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
EQNEDT32.EXEvbc.exevbc.exedescription pid process target process PID 536 wrote to memory of 1748 536 EQNEDT32.EXE vbc.exe PID 536 wrote to memory of 1748 536 EQNEDT32.EXE vbc.exe PID 536 wrote to memory of 1748 536 EQNEDT32.EXE vbc.exe PID 536 wrote to memory of 1748 536 EQNEDT32.EXE vbc.exe PID 1748 wrote to memory of 1944 1748 vbc.exe vbc.exe PID 1748 wrote to memory of 1944 1748 vbc.exe vbc.exe PID 1748 wrote to memory of 1944 1748 vbc.exe vbc.exe PID 1748 wrote to memory of 1944 1748 vbc.exe vbc.exe PID 1944 wrote to memory of 1012 1944 vbc.exe vbc.exe PID 1944 wrote to memory of 1012 1944 vbc.exe vbc.exe PID 1944 wrote to memory of 1012 1944 vbc.exe vbc.exe PID 1944 wrote to memory of 1012 1944 vbc.exe vbc.exe PID 1944 wrote to memory of 1012 1944 vbc.exe vbc.exe PID 1944 wrote to memory of 1012 1944 vbc.exe vbc.exe PID 1944 wrote to memory of 1012 1944 vbc.exe vbc.exe PID 1944 wrote to memory of 1012 1944 vbc.exe vbc.exe PID 1944 wrote to memory of 1012 1944 vbc.exe vbc.exe
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\Request for Quotation - P75(D53 )- FATP- RF.xlsx"1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1596
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C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:536 -
C:\Users\Public\vbc.exe"C:\Users\Public\vbc.exe"2⤵
- Modifies system executable filetype association
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1748 -
C:\Users\Admin\AppData\Local\Temp\3582-490\vbc.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\vbc.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Users\Admin\AppData\Local\Temp\3582-490\vbc.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\vbc.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1012
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\MICROS~1\Windows\TEMPOR~1\Content.IE5\K8CH4PHC\OHMS_1~1.EXEMD5
2029e8bcdaa99a883f61290d69db6bbd
SHA141b727e2ec28d0a5fb835bfc273960e69a456057
SHA256d4d57e199af8c8195880fd4b50013ff1ec9d6cc6bdd8dac93825e2f3764edfa4
SHA5124604c4447b977a362b929ba7cae29cedb43b735856b32fcccdb9247460b3a4df8453c263b05c434ce31812601c52afba2446df1f9395bf5e9f922d1aab27ec31
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C:\Users\Admin\AppData\Local\Temp\3582-490\vbc.exeMD5
1a109111cf4f1d0446d88b27188a1489
SHA14c4a2400cc546a3141fabd8d331fc7424509415e
SHA256365826c0e8c910ca10d5d9c8144f026e7078064e14be2e9ee862d6fb3cadd112
SHA512cf48991a1d5e1ef0e28e5c622be217fe57246f54960fe187e8751a9194bdc9ff73a3800be6a7e028ef933c5cf49405ba87d2b959724d86e4790e17587acc150f
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C:\Users\Admin\AppData\Local\Temp\3582-490\vbc.exeMD5
1a109111cf4f1d0446d88b27188a1489
SHA14c4a2400cc546a3141fabd8d331fc7424509415e
SHA256365826c0e8c910ca10d5d9c8144f026e7078064e14be2e9ee862d6fb3cadd112
SHA512cf48991a1d5e1ef0e28e5c622be217fe57246f54960fe187e8751a9194bdc9ff73a3800be6a7e028ef933c5cf49405ba87d2b959724d86e4790e17587acc150f
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C:\Users\Admin\AppData\Local\Temp\3582-490\vbc.exeMD5
1a109111cf4f1d0446d88b27188a1489
SHA14c4a2400cc546a3141fabd8d331fc7424509415e
SHA256365826c0e8c910ca10d5d9c8144f026e7078064e14be2e9ee862d6fb3cadd112
SHA512cf48991a1d5e1ef0e28e5c622be217fe57246f54960fe187e8751a9194bdc9ff73a3800be6a7e028ef933c5cf49405ba87d2b959724d86e4790e17587acc150f
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C:\Users\Public\vbc.exeMD5
2029e8bcdaa99a883f61290d69db6bbd
SHA141b727e2ec28d0a5fb835bfc273960e69a456057
SHA256d4d57e199af8c8195880fd4b50013ff1ec9d6cc6bdd8dac93825e2f3764edfa4
SHA5124604c4447b977a362b929ba7cae29cedb43b735856b32fcccdb9247460b3a4df8453c263b05c434ce31812601c52afba2446df1f9395bf5e9f922d1aab27ec31
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C:\Users\Public\vbc.exeMD5
2029e8bcdaa99a883f61290d69db6bbd
SHA141b727e2ec28d0a5fb835bfc273960e69a456057
SHA256d4d57e199af8c8195880fd4b50013ff1ec9d6cc6bdd8dac93825e2f3764edfa4
SHA5124604c4447b977a362b929ba7cae29cedb43b735856b32fcccdb9247460b3a4df8453c263b05c434ce31812601c52afba2446df1f9395bf5e9f922d1aab27ec31
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\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXEMD5
9e2b9928c89a9d0da1d3e8f4bd96afa7
SHA1ec66cda99f44b62470c6930e5afda061579cde35
SHA2568899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043
SHA5122ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156
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\Users\Admin\AppData\Local\Temp\3582-490\vbc.exeMD5
1a109111cf4f1d0446d88b27188a1489
SHA14c4a2400cc546a3141fabd8d331fc7424509415e
SHA256365826c0e8c910ca10d5d9c8144f026e7078064e14be2e9ee862d6fb3cadd112
SHA512cf48991a1d5e1ef0e28e5c622be217fe57246f54960fe187e8751a9194bdc9ff73a3800be6a7e028ef933c5cf49405ba87d2b959724d86e4790e17587acc150f
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\Users\Admin\AppData\Local\Temp\3582-490\vbc.exeMD5
1a109111cf4f1d0446d88b27188a1489
SHA14c4a2400cc546a3141fabd8d331fc7424509415e
SHA256365826c0e8c910ca10d5d9c8144f026e7078064e14be2e9ee862d6fb3cadd112
SHA512cf48991a1d5e1ef0e28e5c622be217fe57246f54960fe187e8751a9194bdc9ff73a3800be6a7e028ef933c5cf49405ba87d2b959724d86e4790e17587acc150f
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\Users\Public\vbc.exeMD5
2029e8bcdaa99a883f61290d69db6bbd
SHA141b727e2ec28d0a5fb835bfc273960e69a456057
SHA256d4d57e199af8c8195880fd4b50013ff1ec9d6cc6bdd8dac93825e2f3764edfa4
SHA5124604c4447b977a362b929ba7cae29cedb43b735856b32fcccdb9247460b3a4df8453c263b05c434ce31812601c52afba2446df1f9395bf5e9f922d1aab27ec31
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\Users\Public\vbc.exeMD5
2029e8bcdaa99a883f61290d69db6bbd
SHA141b727e2ec28d0a5fb835bfc273960e69a456057
SHA256d4d57e199af8c8195880fd4b50013ff1ec9d6cc6bdd8dac93825e2f3764edfa4
SHA5124604c4447b977a362b929ba7cae29cedb43b735856b32fcccdb9247460b3a4df8453c263b05c434ce31812601c52afba2446df1f9395bf5e9f922d1aab27ec31
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memory/536-56-0x00000000757B1000-0x00000000757B3000-memory.dmpFilesize
8KB
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memory/1012-76-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1012-77-0x000000000043759E-mapping.dmp
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memory/1012-83-0x0000000004981000-0x0000000004982000-memory.dmpFilesize
4KB
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memory/1012-81-0x0000000004980000-0x0000000004981000-memory.dmpFilesize
4KB
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memory/1012-79-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1596-82-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1596-54-0x0000000071141000-0x0000000071143000-memory.dmpFilesize
8KB
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memory/1596-55-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1596-53-0x000000002F8F1000-0x000000002F8F4000-memory.dmpFilesize
12KB
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memory/1748-59-0x0000000000000000-mapping.dmp
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memory/1944-64-0x0000000000000000-mapping.dmp
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memory/1944-74-0x00000000047A0000-0x00000000047E2000-memory.dmpFilesize
264KB
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memory/1944-73-0x0000000004D80000-0x0000000004DF2000-memory.dmpFilesize
456KB
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memory/1944-67-0x0000000000A80000-0x0000000000A81000-memory.dmpFilesize
4KB
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memory/1944-70-0x0000000004D40000-0x0000000004D41000-memory.dmpFilesize
4KB
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memory/1944-69-0x00000000006C0000-0x00000000006DD000-memory.dmpFilesize
116KB