formbook | 8fa0440884a90d217c683a8a50207068022db140a171049957afbe463d090fd4

General

Target

38f284c6ac68831d066f9325b4f8508145ef62146b4c257e3c0a10fdf2305b0a.rtf
Size

3.7MB
MD5

fd00d713c843371c82be116049b5a6d9
SHA1

e46e115e003d6088655a5c364d6d03551cb0e41b
SHA256

38f284c6ac68831d066f9325b4f8508145ef62146b4c257e3c0a10fdf2305b0a
SHA512

3f5c7ff62a3f3e7d03c7dd69a3195a93ad0490864ffa10af155085755a1de89f9b27a92e67c84594923b87348b5f192714f33467abbd072ee9a9050b2442c07f

Score

10^/10

formbook u31y rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

u31y

Decoy

writer-career.com

thecozymosey.com

cesarashop.com

tcdfzx.com

redknightsaus6.com

hbczz.com

u0959.com

hyyssy.com

ytbangsi.com

popularepoch.com

jenesgloparties.site

belbo-shop.com

fundeim-ucv.com

buttersdesignco.com

ingiluzim.xyz

visithimalayatours.com

aridahaaf.xyz

emocjilindre.xyz

rcfunhobby.com

taminndir.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

Client.exe

description pid process target process

PID 1060 created 1708 1060 Client.exe CmD.exe
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

description	pid	process	target process
PID 1060 created 1708	1060	Client.exe	CmD.exe

Formbook Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1740-66-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1740-67-0x000000000041F110-mapping.dmp	formbook
behavioral1/memory/624-76-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/624-79-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Executes dropped EXE 1 IoCs

Processes:

Client.exe

pid process

1060 Client.exe
Loads dropped DLL 1 IoCs

Processes:

CmD.exe

pid process

1708 CmD.exe

pid	process
1708	CmD.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Client.exenotepad.exesvchost.exe

description	pid	process	target process
PID 1060 set thread context of 1740	1060	Client.exe	notepad.exe
PID 1740 set thread context of 1208	1740	notepad.exe	Explorer.EXE
PID 624 set thread context of 1208	624	svchost.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

1144 EQNEDT32.EXE

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

pid	process
1144	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
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\shell\edit\command	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	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 (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	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	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	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&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\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-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

536 WINWORD.EXE

pid	process
536	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

Client.exenotepad.exesvchost.exe

pid	process
1060	Client.exe
1060	Client.exe
1060	Client.exe
1740	notepad.exe
1740	notepad.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe
624	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

notepad.exesvchost.exe

pid process

1740 notepad.exe
1740 notepad.exe
1740 notepad.exe
624 svchost.exe
624 svchost.exe

pid	process
1740	notepad.exe
1740	notepad.exe
1740	notepad.exe
624	svchost.exe
624	svchost.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

Client.exenotepad.exeExplorer.EXEsvchost.exe

description	pid	process
Token: SeDebugPrivilege	1060	Client.exe
Token: SeDebugPrivilege	1740	notepad.exe
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeDebugPrivilege	624	svchost.exe
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

536 WINWORD.EXE
536 WINWORD.EXE

pid	process
1208	Explorer.EXE
1208	Explorer.EXE

pid	process
1208	Explorer.EXE
1208	Explorer.EXE

pid	process
536	WINWORD.EXE
536	WINWORD.EXE

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

EQNEDT32.EXECmD.exeClient.exeExplorer.EXEsvchost.exeWINWORD.EXE

description	pid	process	target process
PID 1144 wrote to memory of 1708	1144	EQNEDT32.EXE	CmD.exe
PID 1144 wrote to memory of 1708	1144	EQNEDT32.EXE	CmD.exe
PID 1144 wrote to memory of 1708	1144	EQNEDT32.EXE	CmD.exe
PID 1144 wrote to memory of 1708	1144	EQNEDT32.EXE	CmD.exe
PID 1708 wrote to memory of 1060	1708	CmD.exe	Client.exe
PID 1708 wrote to memory of 1060	1708	CmD.exe	Client.exe
PID 1708 wrote to memory of 1060	1708	CmD.exe	Client.exe
PID 1708 wrote to memory of 1060	1708	CmD.exe	Client.exe
PID 1060 wrote to memory of 1740	1060	Client.exe	notepad.exe
PID 1060 wrote to memory of 1740	1060	Client.exe	notepad.exe
PID 1060 wrote to memory of 1740	1060	Client.exe	notepad.exe
PID 1060 wrote to memory of 1740	1060	Client.exe	notepad.exe
PID 1060 wrote to memory of 1740	1060	Client.exe	notepad.exe
PID 1060 wrote to memory of 1740	1060	Client.exe	notepad.exe
PID 1060 wrote to memory of 1740	1060	Client.exe	notepad.exe
PID 1208 wrote to memory of 624	1208	Explorer.EXE	svchost.exe
PID 1208 wrote to memory of 624	1208	Explorer.EXE	svchost.exe
PID 1208 wrote to memory of 624	1208	Explorer.EXE	svchost.exe
PID 1208 wrote to memory of 624	1208	Explorer.EXE	svchost.exe
PID 624 wrote to memory of 564	624	svchost.exe	cmd.exe
PID 624 wrote to memory of 564	624	svchost.exe	cmd.exe
PID 624 wrote to memory of 564	624	svchost.exe	cmd.exe
PID 624 wrote to memory of 564	624	svchost.exe	cmd.exe
PID 536 wrote to memory of 1616	536	WINWORD.EXE	splwow64.exe
PID 536 wrote to memory of 1616	536	WINWORD.EXE	splwow64.exe
PID 536 wrote to memory of 1616	536	WINWORD.EXE	splwow64.exe
PID 536 wrote to memory of 1616	536	WINWORD.EXE	splwow64.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1208

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\38f284c6ac68831d066f9325b4f8508145ef62146b4c257e3c0a10fdf2305b0a.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:536

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
3⤵
PID:1616

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:624

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\notepad.exe"
3⤵
PID:564

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:1144

C:\Windows\SysWOW64\CmD.exe
CmD.exe /C %tmp%\Client.exe AC
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1708

C:\Users\Admin\AppData\Local\Temp\Client.exe
C:\Users\Admin\AppData\Local\Temp\Client.exe AC
3⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1060

C:\Windows\SysWOW64\notepad.exe
C:\Windows\SysWOW64\notepad.exe /Processid:{BD8D4234-244F-4FFB-862A-350022A75F5A}
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1740

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Client.exe
Filesize
916KB

MD5
0d88f6e6248bc4f9a5865eb968d93670

SHA1
24f8be0a2d6eff1e119333d7b55d159cd89bfc90

SHA256
a27283e26cbacea227b535b1a18a4d3cb9f39ef012c97c35e98c04a4cb9ca61a

SHA512
57fd190d0505a9807683fe7452814d009a168dd0fd983e5dd52a1826f37e3b40ee3f2c7f74c61a3072c6f4d64ce35bd212fccb52086fed8a4e7d6baae24e2020

Download Submit
C:\Users\Admin\AppData\Local\Temp\Client.exe
Filesize
916KB

MD5
0d88f6e6248bc4f9a5865eb968d93670

SHA1
24f8be0a2d6eff1e119333d7b55d159cd89bfc90

SHA256
a27283e26cbacea227b535b1a18a4d3cb9f39ef012c97c35e98c04a4cb9ca61a

SHA512
57fd190d0505a9807683fe7452814d009a168dd0fd983e5dd52a1826f37e3b40ee3f2c7f74c61a3072c6f4d64ce35bd212fccb52086fed8a4e7d6baae24e2020

Download Submit
\Users\Admin\AppData\Local\Temp\Client.exe
Filesize
916KB

MD5
0d88f6e6248bc4f9a5865eb968d93670

SHA1
24f8be0a2d6eff1e119333d7b55d159cd89bfc90

SHA256
a27283e26cbacea227b535b1a18a4d3cb9f39ef012c97c35e98c04a4cb9ca61a

SHA512
57fd190d0505a9807683fe7452814d009a168dd0fd983e5dd52a1826f37e3b40ee3f2c7f74c61a3072c6f4d64ce35bd212fccb52086fed8a4e7d6baae24e2020

Download Submit
memory/536-77-0x0000000070CAD000-0x0000000070CB8000-memory.dmp

Filesize
44KB

Download
memory/536-83-0x0000000070CAD000-0x0000000070CB8000-memory.dmp

Filesize
44KB

Download
memory/536-57-0x0000000075B61000-0x0000000075B63000-memory.dmp

Filesize
8KB

Download
memory/536-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/536-82-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/536-55-0x000000006FCC1000-0x000000006FCC3000-memory.dmp

Filesize
8KB

Download
memory/536-58-0x0000000070CAD000-0x0000000070CB8000-memory.dmp

Filesize
44KB

Download
memory/536-54-0x0000000072241000-0x0000000072244000-memory.dmp

Filesize
12KB

Download
memory/564-75-0x0000000000000000-mapping.dmp

Download
memory/624-78-0x0000000000590000-0x0000000000623000-memory.dmp

Filesize
588KB

Download
memory/624-79-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/624-72-0x0000000000000000-mapping.dmp

Download
memory/624-73-0x0000000000890000-0x0000000000B93000-memory.dmp

Filesize
3.0MB

Download
memory/624-74-0x0000000000880000-0x0000000000888000-memory.dmp

Filesize
32KB

Download
memory/624-76-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1060-63-0x0000000000000000-mapping.dmp

Download
memory/1060-65-0x0000000000C40000-0x0000000000D2E000-memory.dmp

Filesize
952KB

Download
memory/1208-85-0x0000000007300000-0x0000000007418000-memory.dmp

Filesize
1.1MB

Download
memory/1208-71-0x0000000007170000-0x00000000072FF000-memory.dmp

Filesize
1.6MB

Download
memory/1208-84-0x0000000007300000-0x0000000007418000-memory.dmp

Filesize
1.1MB

Download
memory/1616-81-0x000007FEFB721000-0x000007FEFB723000-memory.dmp

Filesize
8KB

Download
memory/1616-80-0x0000000000000000-mapping.dmp

Download
memory/1708-60-0x0000000000000000-mapping.dmp

Download
memory/1740-69-0x0000000000A00000-0x0000000000D03000-memory.dmp

Filesize
3.0MB

Download
memory/1740-66-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1740-67-0x000000000041F110-mapping.dmp

Download
memory/1740-70-0x00000000000D0000-0x00000000000E4000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads