formbook | 8e7618527c598229899d7fcae8098c6031231acbcc9574061215b3658761c0aa

Analysis

max time kernel
151s
max time network
174s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
10-12-2022 08:50

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General

Target

Angebot anfordernDE5538100- Musterkatalog.xls
Size

1.6MB
MD5

35af111bd1bc8ee2f63a3b0e377526ff
SHA1

34ac11f6704e033dea5ee1049d4fca5501cf8d94
SHA256

8e7618527c598229899d7fcae8098c6031231acbcc9574061215b3658761c0aa
SHA512

15d6244954b35a6ff9f885c661e35b8e551d95563461c85ce5d85b705e62b4e18ae7188360f1bb6c8c0258d8b2a92aebad30c7ac64d638bea221b7baaa43dcc6
SSDEEP

24576:0zxXXXXXXXXXXXXUXXXXXXXXXXXXXXXXDUmeRr5XXXXXXXXXXXXUXXXXXXXrXXXC:B5h0fuYgM

Score

10^/10

formbook dwdp persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

dwdp

Decoy

jPxWFTS1Rn/K/LD47WRRW7+Veuct8yc=

ke1Wv1l26dZZxDikX9dU3s6k8+w=

+vtNyVBkx8VMf5KCaIj8DYR5QyLJgQ==

GHXPhYzwXcKgZwqBb/kejm7rfobj

yalW64iE8+aXs70=

MD83dBR0KSF4fizgRhAM

Xti3uNm2JDWgssPgRhAM

X7gYbv5uJhpvjdI0Qg==

ydxGznbNJ3tCCLAX4arq4nweMuQ=

Ca+fvtST8OBbosPgRhAM

kG1QegD8mU/E/hLw1t0=

g9FFFjEC5C2IvR/BhbSrpw==

PCkpeg38W0aPdg1rav1DFnVASw==

vSq+xBf3qjY27H3yqepK+g+nOmOMc3m7

G7WYirSZS9EYob8=

WbEWaOVIAPlSNNc4LsfL53weMuQ=

hnyAvEY4n3rTKS4g5mHKxR0=

JN7b0uCqVrQydMl7JNw=

XTki/RASDK6BCW0q8sU=

DQMBWA9wJyOKqqGSmGHKxR0=

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

3 1304 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

vbc.exewyziyqqllh.exewyziyqqllh.exe

pid process

776 vbc.exe
1692 wyziyqqllh.exe
1560 wyziyqqllh.exe

flow	pid	process
3	1304	EQNEDT32.EXE

pid	process
776	vbc.exe
1692	wyziyqqllh.exe
1560	wyziyqqllh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

wyziyqqllh.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Control Panel\International\Geo\Nation	wyziyqqllh.exe

Loads dropped DLL 7 IoCs

Processes:

EQNEDT32.EXEvbc.exewyziyqqllh.exeNAPSTAT.EXE

pid process

1304 EQNEDT32.EXE
1304 EQNEDT32.EXE
1304 EQNEDT32.EXE
776 vbc.exe
776 vbc.exe
1692 wyziyqqllh.exe
1912 NAPSTAT.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
1304	EQNEDT32.EXE
1304	EQNEDT32.EXE
1304	EQNEDT32.EXE
776	vbc.exe
776	vbc.exe
1692	wyziyqqllh.exe
1912	NAPSTAT.EXE

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wyziyqqllh.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\aecgru = "C:\\Users\\Admin\\AppData\\Roaming\\lcdobatkse\\puisxyjyut.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\wyziyqqllh.exe\" C:\\Users\\Admin\\AppData"	wyziyqqllh.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

wyziyqqllh.exewyziyqqllh.exeNAPSTAT.EXE

description	pid	process	target process
PID 1692 set thread context of 1560	1692	wyziyqqllh.exe	wyziyqqllh.exe
PID 1560 set thread context of 1380	1560	wyziyqqllh.exe	Explorer.EXE
PID 1912 set thread context of 1380	1912	NAPSTAT.EXE	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

NSIS installer 5 IoCs

installer

Processes:

resource	yara_rule
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_1
C:\Users\Public\vbc.exe	nsis_installer_1
C:\Users\Public\vbc.exe	nsis_installer_1

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

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

Processes:

EQNEDT32.EXE

pid process

1304 EQNEDT32.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

pid	process
1304	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXENAPSTAT.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Key created	\Registry\User\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NAPSTAT.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1600 EXCEL.EXE

pid	process
1600	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

wyziyqqllh.exeNAPSTAT.EXE

pid	process
1560	wyziyqqllh.exe
1560	wyziyqqllh.exe
1560	wyziyqqllh.exe
1560	wyziyqqllh.exe
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

wyziyqqllh.exewyziyqqllh.exeNAPSTAT.EXE

pid process

1692 wyziyqqllh.exe
1560 wyziyqqllh.exe
1560 wyziyqqllh.exe
1560 wyziyqqllh.exe
1912 NAPSTAT.EXE
1912 NAPSTAT.EXE
1912 NAPSTAT.EXE
1912 NAPSTAT.EXE

pid	process
1692	wyziyqqllh.exe
1560	wyziyqqllh.exe
1560	wyziyqqllh.exe
1560	wyziyqqllh.exe
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE
1912	NAPSTAT.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

wyziyqqllh.exeNAPSTAT.EXEExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1560	wyziyqqllh.exe
Token: SeDebugPrivilege	1912	NAPSTAT.EXE
Token: SeShutdownPrivilege	1380	Explorer.EXE
Token: SeShutdownPrivilege	1380	Explorer.EXE
Token: SeShutdownPrivilege	1380	Explorer.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1600 EXCEL.EXE
1600 EXCEL.EXE
1600 EXCEL.EXE

pid	process
1600	EXCEL.EXE
1600	EXCEL.EXE
1600	EXCEL.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

EQNEDT32.EXEvbc.exewyziyqqllh.exeExplorer.EXENAPSTAT.EXE

description	pid	process	target process
PID 1304 wrote to memory of 776	1304	EQNEDT32.EXE	vbc.exe
PID 1304 wrote to memory of 776	1304	EQNEDT32.EXE	vbc.exe
PID 1304 wrote to memory of 776	1304	EQNEDT32.EXE	vbc.exe
PID 1304 wrote to memory of 776	1304	EQNEDT32.EXE	vbc.exe
PID 776 wrote to memory of 1692	776	vbc.exe	wyziyqqllh.exe
PID 776 wrote to memory of 1692	776	vbc.exe	wyziyqqllh.exe
PID 776 wrote to memory of 1692	776	vbc.exe	wyziyqqllh.exe
PID 776 wrote to memory of 1692	776	vbc.exe	wyziyqqllh.exe
PID 1692 wrote to memory of 1560	1692	wyziyqqllh.exe	wyziyqqllh.exe
PID 1692 wrote to memory of 1560	1692	wyziyqqllh.exe	wyziyqqllh.exe
PID 1692 wrote to memory of 1560	1692	wyziyqqllh.exe	wyziyqqllh.exe
PID 1692 wrote to memory of 1560	1692	wyziyqqllh.exe	wyziyqqllh.exe
PID 1692 wrote to memory of 1560	1692	wyziyqqllh.exe	wyziyqqllh.exe
PID 1380 wrote to memory of 1912	1380	Explorer.EXE	NAPSTAT.EXE
PID 1380 wrote to memory of 1912	1380	Explorer.EXE	NAPSTAT.EXE
PID 1380 wrote to memory of 1912	1380	Explorer.EXE	NAPSTAT.EXE
PID 1380 wrote to memory of 1912	1380	Explorer.EXE	NAPSTAT.EXE
PID 1912 wrote to memory of 1296	1912	NAPSTAT.EXE	Firefox.exe
PID 1912 wrote to memory of 1296	1912	NAPSTAT.EXE	Firefox.exe
PID 1912 wrote to memory of 1296	1912	NAPSTAT.EXE	Firefox.exe
PID 1912 wrote to memory of 1296	1912	NAPSTAT.EXE	Firefox.exe
PID 1912 wrote to memory of 1296	1912	NAPSTAT.EXE	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1380

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\Angebot anfordernDE5538100- Musterkatalog.xls"
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1600

C:\Windows\SysWOW64\NAPSTAT.EXE
"C:\Windows\SysWOW64\NAPSTAT.EXE"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1912

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1296

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:1304

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:776

C:\Users\Admin\AppData\Local\Temp\wyziyqqllh.exe
"C:\Users\Admin\AppData\Local\Temp\wyziyqqllh.exe" C:\Users\Admin\AppData\Local\Temp\qwdscgke.dnn
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1692

C:\Users\Admin\AppData\Local\Temp\wyziyqqllh.exe
"C:\Users\Admin\AppData\Local\Temp\wyziyqqllh.exe"
4⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1560

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

T1064

Exploitation for Client Execution

T1203

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Scripting

T1064

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\fugegefct.s
Filesize
185KB

MD5
2375912c75db13281f3bfc9c3ddf7646

SHA1
9955467017fcb057d1ca868db84f4f7ebc31fd45

SHA256
f9cdfa1edf4a5f85d8ddaae338fc550580ff5094eed1507c9beca4097298d861

SHA512
56242ec311c00540ebee80b661fb3fcf8674635d48675b17e1de677271ab997f3ae057f009cf34654b5241b11e1a3f0d97f8f99be4e78a4b32b519a7695e5256

Download Submit
C:\Users\Admin\AppData\Local\Temp\qwdscgke.dnn
Filesize
7KB

MD5
2c406815d04080e2fa43ba9e99ceabd3

SHA1
27b0f2b81e15d7715867accb5fa68f8c8f4ea209

SHA256
b70fa69ab56821b4902e9922d786948c5673440e0f8dd5403385d96d0167cee4

SHA512
32df91288abf935fb71e1fa04beeed0d945877f2ed2830fd7068344523371a05bc5fe973f475e8a1f9b5d95f50ca4ae9ab75a5182a063476209f2cb22b6c9b89

Download Submit
C:\Users\Admin\AppData\Local\Temp\wyziyqqllh.exe
Filesize
276KB

MD5
bd4eb7604f815c32830ec68cc479ad62

SHA1
00ac1b0b12be758027c01083ad85604305d4b1af

SHA256
1b417034908720dffd6e5847b89a013f0414b46a31f2e93f91446f8efede1f64

SHA512
b72e5e0e8cce7a22b6053f6daed91e91bc7c81c7a314a8340aa2903d1506b4e04e91ed2d08f343f9a616ecbf3f83cbe4763ee0876dd61e2acab141adc8d4dcd9

Download Submit
C:\Users\Admin\AppData\Local\Temp\wyziyqqllh.exe
Filesize
276KB

MD5
bd4eb7604f815c32830ec68cc479ad62

SHA1
00ac1b0b12be758027c01083ad85604305d4b1af

SHA256
1b417034908720dffd6e5847b89a013f0414b46a31f2e93f91446f8efede1f64

SHA512
b72e5e0e8cce7a22b6053f6daed91e91bc7c81c7a314a8340aa2903d1506b4e04e91ed2d08f343f9a616ecbf3f83cbe4763ee0876dd61e2acab141adc8d4dcd9

Download Submit
C:\Users\Admin\AppData\Local\Temp\wyziyqqllh.exe
Filesize
276KB

MD5
bd4eb7604f815c32830ec68cc479ad62

SHA1
00ac1b0b12be758027c01083ad85604305d4b1af

SHA256
1b417034908720dffd6e5847b89a013f0414b46a31f2e93f91446f8efede1f64

SHA512
b72e5e0e8cce7a22b6053f6daed91e91bc7c81c7a314a8340aa2903d1506b4e04e91ed2d08f343f9a616ecbf3f83cbe4763ee0876dd61e2acab141adc8d4dcd9

Download Submit
C:\Users\Public\vbc.exe
Filesize
333KB

MD5
4c974d9519a2bfe890a2fd763224d1e7

SHA1
2e88feb98658d7ffee549438453aef2bc162b115

SHA256
1ade1d842f0cb779839799c419832a9c05238f94a678e7cbf44fae51e2264f71

SHA512
fbfccf98cf6cd86715c7990c31c1a3865ea5833f471cb198bf0bf523583e540f25b285022cecb40d97a93b230b5c89f566699f3c70382af03d13327854da5b27

Download Submit
C:\Users\Public\vbc.exe
Filesize
333KB

MD5
4c974d9519a2bfe890a2fd763224d1e7

SHA1
2e88feb98658d7ffee549438453aef2bc162b115

SHA256
1ade1d842f0cb779839799c419832a9c05238f94a678e7cbf44fae51e2264f71

SHA512
fbfccf98cf6cd86715c7990c31c1a3865ea5833f471cb198bf0bf523583e540f25b285022cecb40d97a93b230b5c89f566699f3c70382af03d13327854da5b27

Download Submit
\Users\Admin\AppData\Local\Temp\sqlite3.dll
Filesize
837KB

MD5
e1b58e0aa1b377a1d0e940660ad1ace1

SHA1
5afc7291b26855b1252b26381ebc85ed3cca218f

SHA256
1b98c006231d38524e2278a474c49274fe42e0bb1a31bcfda02e6e32f559b777

SHA512
9ce778bcb586638662b090910c4ceab3b64e16dfaf905a7581c1d349fecdf186995b3cc0dc8c6fc6e9761ea2831d7b14ac1619c2bd5ebc6d18015842e5d94aa2

Download Submit
\Users\Admin\AppData\Local\Temp\wyziyqqllh.exe
Filesize
276KB

MD5
bd4eb7604f815c32830ec68cc479ad62

SHA1
00ac1b0b12be758027c01083ad85604305d4b1af

SHA256
1b417034908720dffd6e5847b89a013f0414b46a31f2e93f91446f8efede1f64

SHA512
b72e5e0e8cce7a22b6053f6daed91e91bc7c81c7a314a8340aa2903d1506b4e04e91ed2d08f343f9a616ecbf3f83cbe4763ee0876dd61e2acab141adc8d4dcd9

Download Submit
\Users\Admin\AppData\Local\Temp\wyziyqqllh.exe
Filesize
276KB

MD5
bd4eb7604f815c32830ec68cc479ad62

SHA1
00ac1b0b12be758027c01083ad85604305d4b1af

SHA256
1b417034908720dffd6e5847b89a013f0414b46a31f2e93f91446f8efede1f64

SHA512
b72e5e0e8cce7a22b6053f6daed91e91bc7c81c7a314a8340aa2903d1506b4e04e91ed2d08f343f9a616ecbf3f83cbe4763ee0876dd61e2acab141adc8d4dcd9

Download Submit
\Users\Admin\AppData\Local\Temp\wyziyqqllh.exe
Filesize
276KB

MD5
bd4eb7604f815c32830ec68cc479ad62

SHA1
00ac1b0b12be758027c01083ad85604305d4b1af

SHA256
1b417034908720dffd6e5847b89a013f0414b46a31f2e93f91446f8efede1f64

SHA512
b72e5e0e8cce7a22b6053f6daed91e91bc7c81c7a314a8340aa2903d1506b4e04e91ed2d08f343f9a616ecbf3f83cbe4763ee0876dd61e2acab141adc8d4dcd9

Download Submit
\Users\Public\vbc.exe
Filesize
333KB

MD5
4c974d9519a2bfe890a2fd763224d1e7

SHA1
2e88feb98658d7ffee549438453aef2bc162b115

SHA256
1ade1d842f0cb779839799c419832a9c05238f94a678e7cbf44fae51e2264f71

SHA512
fbfccf98cf6cd86715c7990c31c1a3865ea5833f471cb198bf0bf523583e540f25b285022cecb40d97a93b230b5c89f566699f3c70382af03d13327854da5b27

Download Submit
\Users\Public\vbc.exe
Filesize
333KB

MD5
4c974d9519a2bfe890a2fd763224d1e7

SHA1
2e88feb98658d7ffee549438453aef2bc162b115

SHA256
1ade1d842f0cb779839799c419832a9c05238f94a678e7cbf44fae51e2264f71

SHA512
fbfccf98cf6cd86715c7990c31c1a3865ea5833f471cb198bf0bf523583e540f25b285022cecb40d97a93b230b5c89f566699f3c70382af03d13327854da5b27

Download Submit
\Users\Public\vbc.exe
Filesize
333KB

MD5
4c974d9519a2bfe890a2fd763224d1e7

SHA1
2e88feb98658d7ffee549438453aef2bc162b115

SHA256
1ade1d842f0cb779839799c419832a9c05238f94a678e7cbf44fae51e2264f71

SHA512
fbfccf98cf6cd86715c7990c31c1a3865ea5833f471cb198bf0bf523583e540f25b285022cecb40d97a93b230b5c89f566699f3c70382af03d13327854da5b27

Download Submit
memory/776-64-0x0000000000000000-mapping.dmp

Download
memory/1380-83-0x0000000006B40000-0x0000000006C98000-memory.dmp

Filesize
1.3MB

Download
memory/1380-92-0x0000000009480000-0x000000000955C000-memory.dmp

Filesize
880KB

Download
memory/1380-89-0x0000000009480000-0x000000000955C000-memory.dmp

Filesize
880KB

Download
memory/1560-82-0x0000000000290000-0x00000000002A0000-memory.dmp

Filesize
64KB

Download
memory/1560-80-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1560-77-0x00000000004012B0-mapping.dmp

Download
memory/1560-81-0x0000000000850000-0x0000000000B53000-memory.dmp

Filesize
3.0MB

Download
memory/1560-79-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1600-94-0x000000007271D000-0x0000000072728000-memory.dmp

Filesize
44KB

Download
memory/1600-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1600-58-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download
memory/1600-57-0x000000007271D000-0x0000000072728000-memory.dmp

Filesize
44KB

Download
memory/1600-60-0x000000007271D000-0x0000000072728000-memory.dmp

Filesize
44KB

Download
memory/1600-93-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1600-54-0x000000002F131000-0x000000002F134000-memory.dmp

Filesize
12KB

Download
memory/1600-55-0x0000000071731000-0x0000000071733000-memory.dmp

Filesize
8KB

Download
memory/1692-70-0x0000000000000000-mapping.dmp

Download
memory/1912-84-0x0000000000000000-mapping.dmp

Download
memory/1912-88-0x00000000008F0000-0x000000000097F000-memory.dmp

Filesize
572KB

Download
memory/1912-87-0x0000000002130000-0x0000000002433000-memory.dmp

Filesize
3.0MB

Download
memory/1912-86-0x0000000000120000-0x000000000014D000-memory.dmp

Filesize
180KB

Download
memory/1912-85-0x0000000000CE0000-0x0000000000D26000-memory.dmp

Filesize
280KB

Download