formbook | f287d933ff17b3591ddd689172c4d8964644bf3740ac8d9418365b3b97c51c2b

General

Target

3abfcd50698f63ec13889697874b0dfd.rtf
Size

23KB
MD5

3abfcd50698f63ec13889697874b0dfd
SHA1

10934d356d6bf22b54fea6249d80f749ad746c8a
SHA256

f287d933ff17b3591ddd689172c4d8964644bf3740ac8d9418365b3b97c51c2b
SHA512

e8cad2f9364852d1ef74437a99d2d77808a825504a804f6fe50733493459214d3613bcbe56defa04e2b1d18d3ec0ee10656c1f5c0a51ded6949923650867c441
SSDEEP

384:PL8yqfpijwB6fPIsKTT9gNUXDVfcwBbCvdHHWvhdCT7TuEUiVW0+T2J11ArdNWAn:j8yqfpiJnZKTT9gNQDVfcwBbqdH2vhdv

Score

10^/10

formbook xchu rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

xchu

Decoy

zcartoons.com

castilloshowroom.com

3bmmdtod.life

misaxoxo.com

nadiya.online

sykkbup29.xyz

triciaaprimrosevp.com

newleter.com

ptzslk.xyz

lightbulbfestival.com

texaslandline.com

ideeintemporelle.com

girljustdoitpodcast.com

medimediamarketing.com

bunk7outfitters.com

charlievgrfminnick.click

lifestyleinthehome.com

atfbestsale.online

frontdoorproperties.co.uk

grandpaswag2024.info

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1740-85-0x0000000000400000-0x0000000001462000-memory.dmp	formbook
behavioral1/memory/1740-90-0x0000000000400000-0x0000000001462000-memory.dmp	formbook
behavioral1/memory/1452-99-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook
behavioral1/memory/1452-102-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

3 768 EQNEDT32.EXE
Downloads MZ/PE file

flow	pid	process
3	768	EQNEDT32.EXE

Checks QEMU agent file 2 TTPs 2 IoCs

Checks presence of QEMU agent, possibly to detect virtualization.

Query Registry

T1012

System Information Discovery

T1082

Processes:

cleanmgr_.execleanmgr_.exe

description	ioc	process
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	cleanmgr_.exe
File opened (read-only)	C:\Program Files\Qemu-ga\qemu-ga.exe	cleanmgr_.exe

Executes dropped EXE 1 IoCs

Processes:

cleanmgr_.exe

pid process

984 cleanmgr_.exe
Loads dropped DLL 3 IoCs

Processes:

EQNEDT32.EXEcleanmgr_.execleanmgr_.exe

pid process

768 EQNEDT32.EXE
984 cleanmgr_.exe
1740 cleanmgr_.exe
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

cleanmgr_.exe

pid process

1740 cleanmgr_.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

cleanmgr_.execleanmgr_.exe

pid process

984 cleanmgr_.exe
1740 cleanmgr_.exe

pid	process
984	cleanmgr_.exe

pid	process
768	EQNEDT32.EXE
984	cleanmgr_.exe
1740	cleanmgr_.exe

pid	process
984	cleanmgr_.exe
1740	cleanmgr_.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

cleanmgr_.execleanmgr_.exerundll32.exe

description	pid	process	target process
PID 984 set thread context of 1740	984	cleanmgr_.exe	cleanmgr_.exe
PID 1740 set thread context of 1200	1740	cleanmgr_.exe	Explorer.EXE
PID 1452 set thread context of 1200	1452	rundll32.exe	Explorer.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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

NSIS installer 10 IoCs

installer

Processes:

resource	yara_rule
C:\Users\Public\cleanmgr_.exe	nsis_installer_1
C:\Users\Public\cleanmgr_.exe	nsis_installer_2
\Users\Public\cleanmgr_.exe	nsis_installer_1
\Users\Public\cleanmgr_.exe	nsis_installer_2
C:\Users\Public\cleanmgr_.exe	nsis_installer_1
C:\Users\Public\cleanmgr_.exe	nsis_installer_2
C:\Users\Public\cleanmgr_.exe	nsis_installer_1
C:\Users\Public\cleanmgr_.exe	nsis_installer_2
C:\Users\Public\cleanmgr_.exe	nsis_installer_1
C:\Users\Public\cleanmgr_.exe	nsis_installer_2

Office loads VBA resources, possible macro or embedded object present
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

Processes:

EQNEDT32.EXE

pid process

768 EQNEDT32.EXE

pid	process
768	EQNEDT32.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-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	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 created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	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\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\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	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&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
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
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.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 HTML Editor	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\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 created	\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\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	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\shell	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

704 WINWORD.EXE

pid	process
704	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

cleanmgr_.exerundll32.exe

pid	process
1740	cleanmgr_.exe
1740	cleanmgr_.exe
1452	rundll32.exe
1452	rundll32.exe
1452	rundll32.exe
1452	rundll32.exe
1452	rundll32.exe
1452	rundll32.exe
1452	rundll32.exe
1452	rundll32.exe
1452	rundll32.exe
1452	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

cleanmgr_.execleanmgr_.exerundll32.exe

pid process

984 cleanmgr_.exe
1740 cleanmgr_.exe
1740 cleanmgr_.exe
1740 cleanmgr_.exe
1452 rundll32.exe
1452 rundll32.exe

pid	process
1200	Explorer.EXE

pid	process
984	cleanmgr_.exe
1740	cleanmgr_.exe
1740	cleanmgr_.exe
1740	cleanmgr_.exe
1452	rundll32.exe
1452	rundll32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

cleanmgr_.exerundll32.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1740	cleanmgr_.exe
Token: SeDebugPrivilege	1452	rundll32.exe
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

WINWORD.EXE

pid process

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

Processes:

WINWORD.EXE

pid process

704 WINWORD.EXE
704 WINWORD.EXE

pid	process
704	WINWORD.EXE
704	WINWORD.EXE

pid	process
704	WINWORD.EXE
704	WINWORD.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

EQNEDT32.EXEWINWORD.EXEcleanmgr_.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 768 wrote to memory of 984	768	EQNEDT32.EXE	cleanmgr_.exe
PID 768 wrote to memory of 984	768	EQNEDT32.EXE	cleanmgr_.exe
PID 768 wrote to memory of 984	768	EQNEDT32.EXE	cleanmgr_.exe
PID 768 wrote to memory of 984	768	EQNEDT32.EXE	cleanmgr_.exe
PID 704 wrote to memory of 1900	704	WINWORD.EXE	splwow64.exe
PID 704 wrote to memory of 1900	704	WINWORD.EXE	splwow64.exe
PID 704 wrote to memory of 1900	704	WINWORD.EXE	splwow64.exe
PID 704 wrote to memory of 1900	704	WINWORD.EXE	splwow64.exe
PID 984 wrote to memory of 1740	984	cleanmgr_.exe	cleanmgr_.exe
PID 984 wrote to memory of 1740	984	cleanmgr_.exe	cleanmgr_.exe
PID 984 wrote to memory of 1740	984	cleanmgr_.exe	cleanmgr_.exe
PID 984 wrote to memory of 1740	984	cleanmgr_.exe	cleanmgr_.exe
PID 984 wrote to memory of 1740	984	cleanmgr_.exe	cleanmgr_.exe
PID 1200 wrote to memory of 1452	1200	Explorer.EXE	rundll32.exe
PID 1200 wrote to memory of 1452	1200	Explorer.EXE	rundll32.exe
PID 1200 wrote to memory of 1452	1200	Explorer.EXE	rundll32.exe
PID 1200 wrote to memory of 1452	1200	Explorer.EXE	rundll32.exe
PID 1200 wrote to memory of 1452	1200	Explorer.EXE	rundll32.exe
PID 1200 wrote to memory of 1452	1200	Explorer.EXE	rundll32.exe
PID 1200 wrote to memory of 1452	1200	Explorer.EXE	rundll32.exe
PID 1452 wrote to memory of 1732	1452	rundll32.exe	cmd.exe
PID 1452 wrote to memory of 1732	1452	rundll32.exe	cmd.exe
PID 1452 wrote to memory of 1732	1452	rundll32.exe	cmd.exe
PID 1452 wrote to memory of 1732	1452	rundll32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1200

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\3abfcd50698f63ec13889697874b0dfd.rtf"
2⤵
- 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:704

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
3⤵
PID:1900

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1452

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\cleanmgr_.exe"
3⤵
PID:1732

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
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:768

C:\Users\Public\cleanmgr_.exe
"C:\Users\Public\cleanmgr_.exe"
2⤵
- Checks QEMU agent file
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:984

C:\Users\Public\cleanmgr_.exe
"C:\Users\Public\cleanmgr_.exe"
3⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1740

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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

MD5
5cf8803e054fdae43a5f93c39315fa3e

SHA1
8ce71fe8de6a7bdcf486d66c3be2c1c848d94cb2

SHA256
875246ef4080fc2ea79eba3809ae4c0158a7ffe296d90cfa4bcdf71211e45697

SHA512
f07f487ad3df213e53b6b0a714c74c70d130583aa2adfa0a558a7407d921675ca87c046e9e6a37810cdfc419bd032ec04bd086c0c61e904e90f3f9dbfef19647

Download Submit
C:\Users\Public\cleanmgr_.exe
Filesize
1.2MB

MD5
e95742503cd258666b61c5dde8a9003a

SHA1
cee3b32cbbcec87c7393a066012e6a2479867d4f

SHA256
f52f3c64c7e5729b929919c449f9087899823470d11335c5dad97f8c19ce2679

SHA512
d2fad4e9bd20551bf89c15e86806a76f2dddb7702666b15fb64005effea01fcbe0087f3424c7f867e9ffa8021647e118f222595b43c039ce76fe9a33c7922fdd

Download Submit
C:\Users\Public\cleanmgr_.exe
Filesize
1.2MB

MD5
e95742503cd258666b61c5dde8a9003a

SHA1
cee3b32cbbcec87c7393a066012e6a2479867d4f

SHA256
f52f3c64c7e5729b929919c449f9087899823470d11335c5dad97f8c19ce2679

SHA512
d2fad4e9bd20551bf89c15e86806a76f2dddb7702666b15fb64005effea01fcbe0087f3424c7f867e9ffa8021647e118f222595b43c039ce76fe9a33c7922fdd

Download Submit
C:\Users\Public\cleanmgr_.exe
Filesize
1.2MB

MD5
e95742503cd258666b61c5dde8a9003a

SHA1
cee3b32cbbcec87c7393a066012e6a2479867d4f

SHA256
f52f3c64c7e5729b929919c449f9087899823470d11335c5dad97f8c19ce2679

SHA512
d2fad4e9bd20551bf89c15e86806a76f2dddb7702666b15fb64005effea01fcbe0087f3424c7f867e9ffa8021647e118f222595b43c039ce76fe9a33c7922fdd

Download Submit
C:\Users\Public\cleanmgr_.exe
Filesize
1.2MB

MD5
e95742503cd258666b61c5dde8a9003a

SHA1
cee3b32cbbcec87c7393a066012e6a2479867d4f

SHA256
f52f3c64c7e5729b929919c449f9087899823470d11335c5dad97f8c19ce2679

SHA512
d2fad4e9bd20551bf89c15e86806a76f2dddb7702666b15fb64005effea01fcbe0087f3424c7f867e9ffa8021647e118f222595b43c039ce76fe9a33c7922fdd

Download Submit
\Users\Admin\AppData\Local\Temp\nst8D82.tmp\System.dll
Filesize
11KB

MD5
fbe295e5a1acfbd0a6271898f885fe6a

SHA1
d6d205922e61635472efb13c2bb92c9ac6cb96da

SHA256
a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1

SHA512
2cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06

Download Submit
\Users\Public\cleanmgr_.exe
Filesize
1.2MB

MD5
e95742503cd258666b61c5dde8a9003a

SHA1
cee3b32cbbcec87c7393a066012e6a2479867d4f

SHA256
f52f3c64c7e5729b929919c449f9087899823470d11335c5dad97f8c19ce2679

SHA512
d2fad4e9bd20551bf89c15e86806a76f2dddb7702666b15fb64005effea01fcbe0087f3424c7f867e9ffa8021647e118f222595b43c039ce76fe9a33c7922fdd

Download Submit
memory/704-122-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/704-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1200-89-0x00000000068E0000-0x0000000006A8D000-memory.dmp

Filesize
1.7MB

Download
memory/1200-127-0x0000000003FF0000-0x00000000040A2000-memory.dmp

Filesize
712KB

Download
memory/1200-125-0x0000000003FF0000-0x00000000040A2000-memory.dmp

Filesize
712KB

Download
memory/1200-123-0x0000000003FF0000-0x00000000040A2000-memory.dmp

Filesize
712KB

Download
memory/1452-100-0x0000000002220000-0x0000000002523000-memory.dmp

Filesize
3.0MB

Download
memory/1452-99-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/1452-104-0x0000000000680000-0x0000000000713000-memory.dmp

Filesize
588KB

Download
memory/1452-92-0x0000000000670000-0x000000000067E000-memory.dmp

Filesize
56KB

Download
memory/1452-94-0x0000000000670000-0x000000000067E000-memory.dmp

Filesize
56KB

Download
memory/1452-102-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/1452-98-0x0000000000670000-0x000000000067E000-memory.dmp

Filesize
56KB

Download
memory/1740-88-0x00000000000B0000-0x00000000000C4000-memory.dmp

Filesize
80KB

Download
memory/1740-87-0x0000000035D60000-0x0000000036063000-memory.dmp

Filesize
3.0MB

Download
memory/1740-93-0x0000000001470000-0x0000000005ADF000-memory.dmp

Filesize
70.4MB

Download
memory/1740-90-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1740-86-0x0000000001470000-0x0000000005ADF000-memory.dmp

Filesize
70.4MB

Download
memory/1740-85-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1740-83-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1740-82-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download
memory/1740-81-0x0000000000400000-0x0000000001462000-memory.dmp

Filesize
16.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads