f41ce611f49c8b49344400ad79f9c1b99d15b89b3cd29a8f44f9162b8fdeb3e4

Analysis

max time kernel
115s
max time network
31s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
14-03-2023 11:38

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General

Target

attachments-6638165552.doc
Size

509.4MB
MD5

03251ffef5258b063be069d270cfbf7b
SHA1

a7392be41e721a9442eb3ec84b1da92d347312d7
SHA256

b99e698fbc3abfa9f15330fa531333fdc7b2226aee82ad431e5a3d98cf3b5503
SHA512

79156f3fe2b672625fdb323e5b1bc325b14fa3e9efe2ed14fa271e0cda909880b00b73f5958f03e13b66a20cbd072b386fa0ab9ddd0987f0bc28ec5ffc15ed2e
SSDEEP

6144:5yk1RgZZXbN63GW1Z7krKSUzMNYJJdKkOl950uH54Lg4Ne9C:5/MXJ6WW1Z7ktUgNYJJdKkOHC4D409

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	1512	1152	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

1512 regsvr32.exe
1520 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
1512	regsvr32.exe
1520	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
Set value (int)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\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\shell	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt	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\edit	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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Key deleted	\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 HTML Editor\shell\edit\ = "&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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Key created	\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
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	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-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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\command	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

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

Processes:

description flow ioc

HTTP User-Agent header 11 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1152 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

regsvr32.exe

pid process

1520 regsvr32.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

WINWORD.EXE

pid process

1152 WINWORD.EXE
1152 WINWORD.EXE
1152 WINWORD.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1152 WINWORD.EXE
1152 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	11	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
1152	WINWORD.EXE

pid	process
1520	regsvr32.exe

pid	process
1152	WINWORD.EXE
1152	WINWORD.EXE
1152	WINWORD.EXE

pid	process
1152	WINWORD.EXE
1152	WINWORD.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

WINWORD.EXEregsvr32.exeregsvr32.exe

description	pid	process	target process
PID 1152 wrote to memory of 1668	1152	WINWORD.EXE	splwow64.exe
PID 1152 wrote to memory of 1668	1152	WINWORD.EXE	splwow64.exe
PID 1152 wrote to memory of 1668	1152	WINWORD.EXE	splwow64.exe
PID 1152 wrote to memory of 1668	1152	WINWORD.EXE	splwow64.exe
PID 1152 wrote to memory of 1512	1152	WINWORD.EXE	regsvr32.exe
PID 1152 wrote to memory of 1512	1152	WINWORD.EXE	regsvr32.exe
PID 1152 wrote to memory of 1512	1152	WINWORD.EXE	regsvr32.exe
PID 1152 wrote to memory of 1512	1152	WINWORD.EXE	regsvr32.exe
PID 1152 wrote to memory of 1512	1152	WINWORD.EXE	regsvr32.exe
PID 1152 wrote to memory of 1512	1152	WINWORD.EXE	regsvr32.exe
PID 1152 wrote to memory of 1512	1152	WINWORD.EXE	regsvr32.exe
PID 1512 wrote to memory of 1520	1512	regsvr32.exe	regsvr32.exe
PID 1512 wrote to memory of 1520	1512	regsvr32.exe	regsvr32.exe
PID 1512 wrote to memory of 1520	1512	regsvr32.exe	regsvr32.exe
PID 1512 wrote to memory of 1520	1512	regsvr32.exe	regsvr32.exe
PID 1512 wrote to memory of 1520	1512	regsvr32.exe	regsvr32.exe
PID 1512 wrote to memory of 1520	1512	regsvr32.exe	regsvr32.exe
PID 1512 wrote to memory of 1520	1512	regsvr32.exe	regsvr32.exe
PID 1520 wrote to memory of 836	1520	regsvr32.exe	regsvr32.exe
PID 1520 wrote to memory of 836	1520	regsvr32.exe	regsvr32.exe
PID 1520 wrote to memory of 836	1520	regsvr32.exe	regsvr32.exe
PID 1520 wrote to memory of 836	1520	regsvr32.exe	regsvr32.exe
PID 1520 wrote to memory of 836	1520	regsvr32.exe	regsvr32.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\attachments-6638165552.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:1152

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1668

C:\Windows\SysWOW64\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\123936.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1512

C:\Windows\system32\regsvr32.exe
/s "C:\Users\Admin\AppData\Local\Temp\123936.tmp"
3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1520

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\ZtUnsFSZ\piOIVUVKtOmbKNIR.dll"
4⤵
PID:836

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\123936.tmp
Filesize
527.5MB

MD5
6ea930620e66f8cb84e1774d0a6c0b2d

SHA1
748404bba874a143cdce8af9422fda733993dc89

SHA256
bd55dcc2e45d2274f6575f862f7fb7f52a898e44b4910cdbb4bd71a44620b44a

SHA512
6c62986b29171f4d5b1616e103c711d51120677e796a90eed83a5823835f63bf7aa4d4260f92597856b39d8afd39a8ff7be941ca9b1e2750529d4c1f405a2c18

Download Submit
C:\Users\Admin\AppData\Local\Temp\123941.zip
Filesize
834KB

MD5
cf86a720a67639874a9b3b8de8e144a7

SHA1
faf52019395bd4c8f30c39564712b0fce0ada472

SHA256
2c7dfb631c1482ee65c1b2af2eba544f7efe1724fe8e39c9bb2ec86bbd77fdd2

SHA512
15ca8279ab68fa5f2ee175641cd5570f8fe6b4195d62a3420cd02c157614af4d395e9a1e2ea57ce9229f09fcacf1a99ccc19d44ae06627b0302926643c5c0008

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
Filesize
20KB

MD5
e611b53fd06add95c090208f3464d82a

SHA1
d793150e8650b4383d7a0aebb376effad96eda64

SHA256
434a0a55872ba655f05cd2ca218474662b605dab4a2177246263f5c560165934

SHA512
f64c7efa7edea38845551df36920729a6be488ffe930f16f6e851b1030bdcbd1ccf704121e052183e04c70e8efc37a6ecca1fd0ddaa4ddf89ca04eccae13c08f

Download Submit
\Users\Admin\AppData\Local\Temp\123936.tmp
Filesize
527.5MB

MD5
6ea930620e66f8cb84e1774d0a6c0b2d

SHA1
748404bba874a143cdce8af9422fda733993dc89

SHA256
bd55dcc2e45d2274f6575f862f7fb7f52a898e44b4910cdbb4bd71a44620b44a

SHA512
6c62986b29171f4d5b1616e103c711d51120677e796a90eed83a5823835f63bf7aa4d4260f92597856b39d8afd39a8ff7be941ca9b1e2750529d4c1f405a2c18

Download Submit
\Users\Admin\AppData\Local\Temp\123936.tmp
Filesize
527.5MB

MD5
6ea930620e66f8cb84e1774d0a6c0b2d

SHA1
748404bba874a143cdce8af9422fda733993dc89

SHA256
bd55dcc2e45d2274f6575f862f7fb7f52a898e44b4910cdbb4bd71a44620b44a

SHA512
6c62986b29171f4d5b1616e103c711d51120677e796a90eed83a5823835f63bf7aa4d4260f92597856b39d8afd39a8ff7be941ca9b1e2750529d4c1f405a2c18

Download Submit
memory/836-1744-0x0000000000400000-0x0000000000401000-memory.dmp

Filesize
4KB

Download
memory/1152-90-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-117-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-60-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-61-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-62-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-63-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-64-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-65-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-66-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-67-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-84-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-69-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-70-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-71-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-72-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-73-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-74-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-75-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-76-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-77-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-78-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-79-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-82-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-81-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-80-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-83-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-86-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-88-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-58-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-89-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-1745-0x00000000069D0000-0x00000000069D1000-memory.dmp

Filesize
4KB

Download
memory/1152-59-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-68-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-91-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-92-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-95-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-94-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-97-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-96-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-93-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-98-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-99-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-101-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-102-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-105-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-107-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-104-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-103-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-100-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-106-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-108-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-110-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-111-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-113-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-114-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-115-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-112-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-109-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-116-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-85-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-1486-0x00000000069D0000-0x00000000069D1000-memory.dmp

Filesize
4KB

Download
memory/1152-87-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1152-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1520-1739-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download