Analysis
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max time kernel
148s -
max time network
142s -
platform
windows7_x64 -
resource
win7-en-20210920 -
submitted
12-10-2021 06:52
Static task
static1
Behavioral task
behavioral1
Sample
DHLAWB 191021.xlsx
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
DHLAWB 191021.xlsx
Resource
win10v20210408
General
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Target
DHLAWB 191021.xlsx
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Size
337KB
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MD5
2a2774f89f6ac878975ef5227cc8a92b
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SHA1
bfbfd645fed06b7598bfe1f583d0ba04ad943b29
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SHA256
54167fce5b8273b4a21f9da96c32113ebe3e5831f51aebad3ae1e97d5165f263
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SHA512
58faad098728b89d6e99ee6e240846b04a35047e317791a47905cd2a6117a487e9ae9a6ab6d33d1405c6be4e7cdc71b18c512929c92ed3910b8554ffe13e929d
Malware Config
Extracted
formbook
4.1
kzk9
http://www.yourmajordomo.com/kzk9/
tianconghuo.club
1996-page.com
ourtownmax.net
conservativetreehose.com
synth.repair
donnachicacreperia.com
tentfull.com
weapp.download
surfersink.com
gattlebusinessservices.com
sebastian249.com
anhphuc.company
betternatureproducts.net
defroplate.com
seattlesquidsquad.com
polarjob.com
lendingadvantage.com
angelsondope.com
goportjitney.com
tiendagrupojagr.com
self-care360.com
foreignexchage.com
loan-stalemate.info
hrsimrnsingh.com
laserobsession.com
primetimesmagazine.com
teminyulon.xyz
kanoondarab.com
alpinefall.com
tbmautosales.com
4g2020.com
libertyquartermaster.com
flavorfalafel.com
generlitravel.com
solvedfp.icu
jamnvibez.com
zmx258.com
doudiangroup.com
dancecenterwest.com
ryantheeconomist.com
beeofthehive.com
bluelearn.world
vivalasplantas.com
yumiacraftlab.com
shophere247365.com
enjoybespokenwords.com
windajol.com
ctgbazar.xyz
afcerd.com
dateprotect.com
northeastonmusic.com
fourwaira.com
forschungsraumtheater.com
islameraloke.com
mavericksone.com
whguideinfrared.com
akomandr.com
experts-portail.com
ambassadorworldnews.com
case-kangaroo.com
theglobalbusinessmentor.com
igforoldpeople.com
royalglossesbss.com
merxeduct.com
Signatures
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Formbook Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/1812-72-0x0000000000400000-0x000000000042E000-memory.dmp formbook behavioral1/memory/1812-73-0x000000000041EB80-mapping.dmp formbook behavioral1/memory/1812-79-0x0000000000400000-0x000000000042E000-memory.dmp formbook behavioral1/memory/1684-85-0x00000000000C0000-0x00000000000EE000-memory.dmp formbook -
Blocklisted process makes network request 1 IoCs
Processes:
EQNEDT32.EXEflow pid process 4 656 EQNEDT32.EXE -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
vbc.exevbc.exepid process 1952 vbc.exe 1812 vbc.exe -
Loads dropped DLL 4 IoCs
Processes:
EQNEDT32.EXEpid process 656 EQNEDT32.EXE 656 EQNEDT32.EXE 656 EQNEDT32.EXE 656 EQNEDT32.EXE -
Uses the VBS compiler for execution 1 TTPs
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Suspicious use of SetThreadContext 4 IoCs
Processes:
vbc.exevbc.exewlanext.exedescription pid process target process PID 1952 set thread context of 1812 1952 vbc.exe vbc.exe PID 1812 set thread context of 1376 1812 vbc.exe Explorer.EXE PID 1812 set thread context of 1376 1812 vbc.exe Explorer.EXE PID 1684 set thread context of 1376 1684 wlanext.exe Explorer.EXE -
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\MenuExt EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit 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 (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 Set value (str) \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \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\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML 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\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 Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit" EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor 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 Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND 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\ = "&Edit" EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 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 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 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 EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit EXCEL.EXE -
Modifies registry class 64 IoCs
Processes:
EXCEL.EXEdescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\htmlfile EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\ = "&Open" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ShellEx EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\ = "&Print" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597} EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit 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\ShellEx EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\ = "&Print" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\ = "&Open" EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic 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\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14 EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\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\.htm\OpenWithList\MSPub.exe\shell\edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\ = "&Open" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application EXCEL.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\"" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command 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\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000 EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\ = "&Open" 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\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\ = "&Edit" 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 Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 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 (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1528 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 25 IoCs
Processes:
vbc.exevbc.exewlanext.exepid process 1952 vbc.exe 1952 vbc.exe 1952 vbc.exe 1952 vbc.exe 1952 vbc.exe 1952 vbc.exe 1952 vbc.exe 1812 vbc.exe 1812 vbc.exe 1812 vbc.exe 1684 wlanext.exe 1684 wlanext.exe 1684 wlanext.exe 1684 wlanext.exe 1684 wlanext.exe 1684 wlanext.exe 1684 wlanext.exe 1684 wlanext.exe 1684 wlanext.exe 1684 wlanext.exe 1684 wlanext.exe 1684 wlanext.exe 1684 wlanext.exe 1684 wlanext.exe 1684 wlanext.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 1376 Explorer.EXE -
Suspicious behavior: MapViewOfSection 6 IoCs
Processes:
vbc.exewlanext.exepid process 1812 vbc.exe 1812 vbc.exe 1812 vbc.exe 1812 vbc.exe 1684 wlanext.exe 1684 wlanext.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
Processes:
vbc.exevbc.exewlanext.exeExplorer.EXEdescription pid process Token: SeDebugPrivilege 1952 vbc.exe Token: SeDebugPrivilege 1812 vbc.exe Token: SeDebugPrivilege 1684 wlanext.exe Token: SeShutdownPrivilege 1376 Explorer.EXE Token: SeShutdownPrivilege 1376 Explorer.EXE Token: SeShutdownPrivilege 1376 Explorer.EXE Token: SeShutdownPrivilege 1376 Explorer.EXE Token: SeShutdownPrivilege 1376 Explorer.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1528 EXCEL.EXE 1528 EXCEL.EXE 1528 EXCEL.EXE -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
EQNEDT32.EXEvbc.exeExplorer.EXEwlanext.exedescription pid process target process PID 656 wrote to memory of 1952 656 EQNEDT32.EXE vbc.exe PID 656 wrote to memory of 1952 656 EQNEDT32.EXE vbc.exe PID 656 wrote to memory of 1952 656 EQNEDT32.EXE vbc.exe PID 656 wrote to memory of 1952 656 EQNEDT32.EXE vbc.exe PID 1952 wrote to memory of 1812 1952 vbc.exe vbc.exe PID 1952 wrote to memory of 1812 1952 vbc.exe vbc.exe PID 1952 wrote to memory of 1812 1952 vbc.exe vbc.exe PID 1952 wrote to memory of 1812 1952 vbc.exe vbc.exe PID 1952 wrote to memory of 1812 1952 vbc.exe vbc.exe PID 1952 wrote to memory of 1812 1952 vbc.exe vbc.exe PID 1952 wrote to memory of 1812 1952 vbc.exe vbc.exe PID 1376 wrote to memory of 1684 1376 Explorer.EXE wlanext.exe PID 1376 wrote to memory of 1684 1376 Explorer.EXE wlanext.exe PID 1376 wrote to memory of 1684 1376 Explorer.EXE wlanext.exe PID 1376 wrote to memory of 1684 1376 Explorer.EXE wlanext.exe PID 1684 wrote to memory of 964 1684 wlanext.exe cmd.exe PID 1684 wrote to memory of 964 1684 wlanext.exe cmd.exe PID 1684 wrote to memory of 964 1684 wlanext.exe cmd.exe PID 1684 wrote to memory of 964 1684 wlanext.exe cmd.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\DHLAWB 191021.xlsx"2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\autochk.exe"C:\Windows\SysWOW64\autochk.exe"2⤵
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C:\Windows\SysWOW64\wlanext.exe"C:\Windows\SysWOW64\wlanext.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c del "C:\Users\Public\vbc.exe"3⤵
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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
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C:\Users\Public\vbc.exe"C:\Users\Public\vbc.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Public\vbc.exe"C:\Users\Public\vbc.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Public\vbc.exeMD5
1fe73fe4d37cae6a02262b5164f3def0
SHA180b03eb27651723bded1fd1425f489225b3bba3b
SHA2560c33fe39195569a868cf9f87d3aff16e72f5a54c4e52a852b8f986d121fa47e8
SHA5127416dadb6e85cc43000bba33f47797cf7e5fe5ee0c9f8639685130264a867b6048839d2b74ca3e00b00caf8a1dcf83d08f01901c56ab9343888d62501c48d2b6
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C:\Users\Public\vbc.exeMD5
1fe73fe4d37cae6a02262b5164f3def0
SHA180b03eb27651723bded1fd1425f489225b3bba3b
SHA2560c33fe39195569a868cf9f87d3aff16e72f5a54c4e52a852b8f986d121fa47e8
SHA5127416dadb6e85cc43000bba33f47797cf7e5fe5ee0c9f8639685130264a867b6048839d2b74ca3e00b00caf8a1dcf83d08f01901c56ab9343888d62501c48d2b6
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C:\Users\Public\vbc.exeMD5
1fe73fe4d37cae6a02262b5164f3def0
SHA180b03eb27651723bded1fd1425f489225b3bba3b
SHA2560c33fe39195569a868cf9f87d3aff16e72f5a54c4e52a852b8f986d121fa47e8
SHA5127416dadb6e85cc43000bba33f47797cf7e5fe5ee0c9f8639685130264a867b6048839d2b74ca3e00b00caf8a1dcf83d08f01901c56ab9343888d62501c48d2b6
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\Users\Public\vbc.exeMD5
1fe73fe4d37cae6a02262b5164f3def0
SHA180b03eb27651723bded1fd1425f489225b3bba3b
SHA2560c33fe39195569a868cf9f87d3aff16e72f5a54c4e52a852b8f986d121fa47e8
SHA5127416dadb6e85cc43000bba33f47797cf7e5fe5ee0c9f8639685130264a867b6048839d2b74ca3e00b00caf8a1dcf83d08f01901c56ab9343888d62501c48d2b6
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\Users\Public\vbc.exeMD5
1fe73fe4d37cae6a02262b5164f3def0
SHA180b03eb27651723bded1fd1425f489225b3bba3b
SHA2560c33fe39195569a868cf9f87d3aff16e72f5a54c4e52a852b8f986d121fa47e8
SHA5127416dadb6e85cc43000bba33f47797cf7e5fe5ee0c9f8639685130264a867b6048839d2b74ca3e00b00caf8a1dcf83d08f01901c56ab9343888d62501c48d2b6
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\Users\Public\vbc.exeMD5
1fe73fe4d37cae6a02262b5164f3def0
SHA180b03eb27651723bded1fd1425f489225b3bba3b
SHA2560c33fe39195569a868cf9f87d3aff16e72f5a54c4e52a852b8f986d121fa47e8
SHA5127416dadb6e85cc43000bba33f47797cf7e5fe5ee0c9f8639685130264a867b6048839d2b74ca3e00b00caf8a1dcf83d08f01901c56ab9343888d62501c48d2b6
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\Users\Public\vbc.exeMD5
1fe73fe4d37cae6a02262b5164f3def0
SHA180b03eb27651723bded1fd1425f489225b3bba3b
SHA2560c33fe39195569a868cf9f87d3aff16e72f5a54c4e52a852b8f986d121fa47e8
SHA5127416dadb6e85cc43000bba33f47797cf7e5fe5ee0c9f8639685130264a867b6048839d2b74ca3e00b00caf8a1dcf83d08f01901c56ab9343888d62501c48d2b6
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memory/656-56-0x0000000074B91000-0x0000000074B93000-memory.dmpFilesize
8KB
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memory/964-83-0x0000000000000000-mapping.dmp
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memory/1376-89-0x0000000007D60000-0x0000000007EF3000-memory.dmpFilesize
1.6MB
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memory/1376-78-0x0000000007000000-0x0000000007138000-memory.dmpFilesize
1.2MB
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memory/1376-81-0x0000000007250000-0x0000000007390000-memory.dmpFilesize
1.2MB
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memory/1528-88-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1528-55-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1528-53-0x000000002F371000-0x000000002F374000-memory.dmpFilesize
12KB
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memory/1528-54-0x0000000070F01000-0x0000000070F03000-memory.dmpFilesize
8KB
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memory/1684-86-0x0000000001DE0000-0x00000000020E3000-memory.dmpFilesize
3.0MB
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memory/1684-82-0x0000000000000000-mapping.dmp
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memory/1684-84-0x0000000000160000-0x0000000000176000-memory.dmpFilesize
88KB
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memory/1684-85-0x00000000000C0000-0x00000000000EE000-memory.dmpFilesize
184KB
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memory/1684-87-0x0000000001C20000-0x0000000001CB3000-memory.dmpFilesize
588KB
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memory/1812-80-0x0000000000270000-0x0000000000284000-memory.dmpFilesize
80KB
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memory/1812-77-0x0000000000150000-0x0000000000164000-memory.dmpFilesize
80KB
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memory/1812-79-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/1812-75-0x0000000000AF0000-0x0000000000DF3000-memory.dmpFilesize
3.0MB
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memory/1812-73-0x000000000041EB80-mapping.dmp
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memory/1812-72-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/1812-71-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/1812-70-0x0000000000400000-0x000000000042E000-memory.dmpFilesize
184KB
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memory/1952-69-0x0000000000890000-0x00000000008E0000-memory.dmpFilesize
320KB
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memory/1952-68-0x0000000000420000-0x0000000000425000-memory.dmpFilesize
20KB
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memory/1952-67-0x0000000004FD0000-0x0000000004FD1000-memory.dmpFilesize
4KB
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memory/1952-64-0x00000000008E0000-0x00000000008E1000-memory.dmpFilesize
4KB
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memory/1952-61-0x0000000000000000-mapping.dmp