85ee940be15c19158a2cc9504a5d212dfc97aeba67501c3814210c12c54a4c5c

Analysis

max time kernel
134s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
09-03-2023 12:23

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General

Target

Rech 2023.09.03_1322.doc
Size

538.3MB
MD5

c8eab42af88f3ad84940eedd34134af3
SHA1

577796eed1d96a384dd842e28a4e9c9fbcdd9661
SHA256

8ea0a6b9147b64ac282ad58168eaf9fa51f254e518d8671d1c4992c311d26d1c
SHA512

1ec3a31f42d5e6b93faed459bcf6782378c4d89631737686e4fce7ed598a74395d71fbcc3a987425241bd525a76ace2b34f781e3393e2f1dca86ffc897d75b89
SSDEEP

6144:QDuxuMOZCBtANveapnaWVgsaNlbfXhoEHC87pnkTnlzIWZ4:18yGZZak8fxJB1e5IWZ4

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

regsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process	1476	1388	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

1476 regsvr32.exe
1536 regsvr32.exe
Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Office loads VBA resources, possible macro or embedded object present

pid	process
1476	regsvr32.exe
1536	regsvr32.exe

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.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 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 deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Key deleted	\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	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	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-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Key created	\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\shell\edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	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\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command	WINWORD.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"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ = "&Open"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\ = "&Print"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word	WINWORD.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"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}"	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.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"	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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	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\Excel.exe\shell\edit\ddeexec	WINWORD.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\""	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\ = "&Open"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ThreadingModel = "Apartment"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" /p %1"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]"	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\Excel.exe	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "\"%1\""	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	WINWORD.EXE

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 2 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1388 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

regsvr32.exe

pid process

1536 regsvr32.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

WINWORD.EXE

pid process

1388 WINWORD.EXE
1388 WINWORD.EXE
1388 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1388 WINWORD.EXE
1388 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	2	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
1388	WINWORD.EXE

pid	process
1536	regsvr32.exe

pid	process
1388	WINWORD.EXE
1388	WINWORD.EXE
1388	WINWORD.EXE

pid	process
1388	WINWORD.EXE
1388	WINWORD.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

WINWORD.EXEregsvr32.exeregsvr32.exe

description	pid	process	target process
PID 1388 wrote to memory of 1476	1388	WINWORD.EXE	regsvr32.exe
PID 1388 wrote to memory of 1476	1388	WINWORD.EXE	regsvr32.exe
PID 1388 wrote to memory of 1476	1388	WINWORD.EXE	regsvr32.exe
PID 1388 wrote to memory of 1476	1388	WINWORD.EXE	regsvr32.exe
PID 1388 wrote to memory of 1476	1388	WINWORD.EXE	regsvr32.exe
PID 1388 wrote to memory of 1476	1388	WINWORD.EXE	regsvr32.exe
PID 1388 wrote to memory of 1476	1388	WINWORD.EXE	regsvr32.exe
PID 1476 wrote to memory of 1536	1476	regsvr32.exe	regsvr32.exe
PID 1476 wrote to memory of 1536	1476	regsvr32.exe	regsvr32.exe
PID 1476 wrote to memory of 1536	1476	regsvr32.exe	regsvr32.exe
PID 1476 wrote to memory of 1536	1476	regsvr32.exe	regsvr32.exe
PID 1476 wrote to memory of 1536	1476	regsvr32.exe	regsvr32.exe
PID 1476 wrote to memory of 1536	1476	regsvr32.exe	regsvr32.exe
PID 1476 wrote to memory of 1536	1476	regsvr32.exe	regsvr32.exe
PID 1536 wrote to memory of 1824	1536	regsvr32.exe	regsvr32.exe
PID 1536 wrote to memory of 1824	1536	regsvr32.exe	regsvr32.exe
PID 1536 wrote to memory of 1824	1536	regsvr32.exe	regsvr32.exe
PID 1536 wrote to memory of 1824	1536	regsvr32.exe	regsvr32.exe
PID 1536 wrote to memory of 1824	1536	regsvr32.exe	regsvr32.exe
PID 1388 wrote to memory of 1308	1388	WINWORD.EXE	splwow64.exe
PID 1388 wrote to memory of 1308	1388	WINWORD.EXE	splwow64.exe
PID 1388 wrote to memory of 1308	1388	WINWORD.EXE	splwow64.exe
PID 1388 wrote to memory of 1308	1388	WINWORD.EXE	splwow64.exe

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Rech 2023.09.03_1322.doc"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1388

C:\Windows\SysWOW64\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\132424.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1476

C:\Windows\system32\regsvr32.exe
/s "C:\Users\Admin\AppData\Local\Temp\132424.tmp"
3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1536

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FfarTxCRVDuJr\kDIhCoXyGtfx.dll"
4⤵
PID:1824

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1308

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\132424.tmp

Filesize
531.5MB

MD5
f64544cfce0287fdf9062605f884fc54

SHA1
bd5470a805762a371d72a05e48ba397442e0a8e6

SHA256
83f604c5e5f6856ab2ccfdb732218f87ea0f5704043f5ec384d8fdcc9a85a513

SHA512
2d51dfe44a684305075fc847a652ee04f4bac2900a0f3c677b6a6a70be5201a703a3918993fc994107b66167c7268a1b89b5cf8b53c1fa4af11bff38ef29a7e7

Download Submit
C:\Users\Admin\AppData\Local\Temp\132432.zip

Filesize
816KB

MD5
792875b3dd621781b5012aad4c44316a

SHA1
f6e9e202a8dc07816e2ea06cc00beaf17b8e8bf9

SHA256
03e98dc99228da5853b7a86f72a775df3d496b222ad1201e10abd2d2ef6aafb7

SHA512
f416501c31534f792d2ea9ee56f11a9131db39030561fbb869d8e49594f81aded4da1383de91266218e6a27a562a1e151b452e3bd3babf0e746d30d341253037

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

Filesize
20KB

MD5
a915dd78022c76842c903f2322ec2f8f

SHA1
4627ad0b9e47e67dddaa07b76f8e407099849a0a

SHA256
1c73d62d95ea4a08155d87b332d4cd601f6cb894581b1dac9573c48108f8ecfd

SHA512
f6820c8bffa65e273c98fd39f30230b2154c9b6a296576c84bc380ba980298a2e5abe08efba28f34566639ffb50cd135edd898f1846666e2915b791c63a19b4b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
\Users\Admin\AppData\Local\Temp\132424.tmp

Filesize
531.5MB

MD5
f64544cfce0287fdf9062605f884fc54

SHA1
bd5470a805762a371d72a05e48ba397442e0a8e6

SHA256
83f604c5e5f6856ab2ccfdb732218f87ea0f5704043f5ec384d8fdcc9a85a513

SHA512
2d51dfe44a684305075fc847a652ee04f4bac2900a0f3c677b6a6a70be5201a703a3918993fc994107b66167c7268a1b89b5cf8b53c1fa4af11bff38ef29a7e7

Download Submit
\Users\Admin\AppData\Local\Temp\132424.tmp

Filesize
531.5MB

MD5
f64544cfce0287fdf9062605f884fc54

SHA1
bd5470a805762a371d72a05e48ba397442e0a8e6

SHA256
83f604c5e5f6856ab2ccfdb732218f87ea0f5704043f5ec384d8fdcc9a85a513

SHA512
2d51dfe44a684305075fc847a652ee04f4bac2900a0f3c677b6a6a70be5201a703a3918993fc994107b66167c7268a1b89b5cf8b53c1fa4af11bff38ef29a7e7

Download Submit
memory/1388-95-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-75-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-61-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-62-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-58-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-64-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-65-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-66-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-68-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-69-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-70-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-71-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-73-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-99-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-76-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-77-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-78-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-80-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-81-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-82-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-83-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-84-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-86-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-87-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-100-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-90-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-88-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-92-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-93-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-94-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-60-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-97-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-108-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-59-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-89-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-102-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-103-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-104-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-106-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-107-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-96-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-109-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-110-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-111-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-113-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-114-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-112-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-116-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-119-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-118-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-117-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-115-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-105-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-101-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-98-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-91-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-85-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-79-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-74-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-72-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-67-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-63-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1388-1605-0x0000000006760000-0x0000000006761000-memory.dmp

Filesize
4KB

Download
memory/1388-1887-0x0000000006760000-0x0000000006761000-memory.dmp

Filesize
4KB

Download
memory/1388-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1388-57-0x0000000000390000-0x0000000000490000-memory.dmp

Filesize
1024KB

Download
memory/1536-1880-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/1824-1881-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download