formbook | d7f8ae465ac4eaca7c6a61818c3350a613d1a8dadb3d26b5e58b4150be145fac

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 10:34

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General

Target

SecuriteInfo.com.Exploit.CVE-2018-0798.4.25561.19599.rtf
Size

2KB
MD5

4b14561c9f2621d61539efcf95bc9005
SHA1

395f327ba50f436bf3b92d54252d2641743e23f6
SHA256

d7f8ae465ac4eaca7c6a61818c3350a613d1a8dadb3d26b5e58b4150be145fac
SHA512

784619dbc5b9fcefcecfc1e3f56341f3095c8cf9a23b1531853d5af354c94371bd7dc66f23f7cb30732c81f69a7de9a8ce6eb329bb918bdd0d9e79390b73deda

Score

10^/10

formbook lt63 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

lt63

Decoy

fortrantelecom.africa

ffafa.buzz

bullybrain.com

ekeisolutions.com

lamiamira.com

noahsark.xyz

beautyby-eve.com

cloudfatory.com

12443.football

hataykultur.online

donqu3.sexy

breakthroughaustralia.com

havengpe.com

cpxlocatup.info

corefourpartners.com

amonefintech.com

thithombo.africa

bassmaty.store

fdshdsr.top

lifesoapsimple.com

Signatures

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

Formbook payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/528-76-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1392-83-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook
behavioral1/memory/1392-89-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 1540 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

nijmec.exettiun.exettiun.exe

pid process

1796 nijmec.exe
1588 ttiun.exe
528 ttiun.exe
Loads dropped DLL 3 IoCs

Processes:

EQNEDT32.EXEnijmec.exettiun.exe

pid process

1540 EQNEDT32.EXE
1796 nijmec.exe
1588 ttiun.exe

flow	pid	process
4	1540	EQNEDT32.EXE

pid	process
1796	nijmec.exe
1588	ttiun.exe
528	ttiun.exe

pid	process
1540	EQNEDT32.EXE
1796	nijmec.exe
1588	ttiun.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

ttiun.exettiun.exemsdt.exe

description	pid	process	target process
PID 1588 set thread context of 528	1588	ttiun.exe	ttiun.exe
PID 528 set thread context of 1260	528	ttiun.exe	Explorer.EXE
PID 1392 set thread context of 1260	1392	msdt.exe	Explorer.EXE

Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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

NSIS installer 6 IoCs

installer

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\nijmec.exe	nsis_installer_1
\Users\Admin\AppData\Roaming\nijmec.exe	nsis_installer_2
C:\Users\Admin\AppData\Roaming\nijmec.exe	nsis_installer_1
C:\Users\Admin\AppData\Roaming\nijmec.exe	nsis_installer_2
C:\Users\Admin\AppData\Roaming\nijmec.exe	nsis_installer_1
C:\Users\Admin\AppData\Roaming\nijmec.exe	nsis_installer_2

Office loads VBA resources, possible macro or embedded object present
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

1540 EQNEDT32.EXE

pid	process
1540	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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML 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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	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	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	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	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.EXE
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
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\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	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	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1424 WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

ttiun.exemsdt.exe

pid	process
528	ttiun.exe
528	ttiun.exe
1392	msdt.exe
1392	msdt.exe
1392	msdt.exe
1392	msdt.exe
1392	msdt.exe
1392	msdt.exe
1392	msdt.exe
1392	msdt.exe
1392	msdt.exe
1392	msdt.exe
1392	msdt.exe
1392	msdt.exe
1392	msdt.exe
1392	msdt.exe
1392	msdt.exe
1392	msdt.exe
1392	msdt.exe
1392	msdt.exe
1392	msdt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

ttiun.exettiun.exemsdt.exe

pid process

1588 ttiun.exe
528 ttiun.exe
528 ttiun.exe
528 ttiun.exe
1392 msdt.exe
1392 msdt.exe

pid	process
1588	ttiun.exe
528	ttiun.exe
528	ttiun.exe
528	ttiun.exe
1392	msdt.exe
1392	msdt.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

ttiun.exeExplorer.EXEmsdt.exe

description	pid	process
Token: SeDebugPrivilege	528	ttiun.exe
Token: SeShutdownPrivilege	1260	Explorer.EXE
Token: SeDebugPrivilege	1392	msdt.exe
Token: SeShutdownPrivilege	1260	Explorer.EXE
Token: SeShutdownPrivilege	1260	Explorer.EXE
Token: SeShutdownPrivilege	1260	Explorer.EXE
Token: SeShutdownPrivilege	1260	Explorer.EXE
Token: SeShutdownPrivilege	1260	Explorer.EXE
Token: SeShutdownPrivilege	1260	Explorer.EXE
Token: SeShutdownPrivilege	1260	Explorer.EXE

Suspicious use of FindShellTrayWindow 14 IoCs

Processes:

WINWORD.EXEExplorer.EXE

pid	process
1424	WINWORD.EXE
1424	WINWORD.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE
1260 Explorer.EXE
1260 Explorer.EXE
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

1424 WINWORD.EXE
1424 WINWORD.EXE

Suspicious use of UnmapMainImage 9 IoCs

Processes:

Explorer.EXE

pid	process
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE
1260	Explorer.EXE

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

EQNEDT32.EXEnijmec.exettiun.exeExplorer.EXEmsdt.exeWINWORD.EXE

description	pid	process	target process
PID 1540 wrote to memory of 1796	1540	EQNEDT32.EXE	nijmec.exe
PID 1540 wrote to memory of 1796	1540	EQNEDT32.EXE	nijmec.exe
PID 1540 wrote to memory of 1796	1540	EQNEDT32.EXE	nijmec.exe
PID 1540 wrote to memory of 1796	1540	EQNEDT32.EXE	nijmec.exe
PID 1796 wrote to memory of 1588	1796	nijmec.exe	ttiun.exe
PID 1796 wrote to memory of 1588	1796	nijmec.exe	ttiun.exe
PID 1796 wrote to memory of 1588	1796	nijmec.exe	ttiun.exe
PID 1796 wrote to memory of 1588	1796	nijmec.exe	ttiun.exe
PID 1588 wrote to memory of 528	1588	ttiun.exe	ttiun.exe
PID 1588 wrote to memory of 528	1588	ttiun.exe	ttiun.exe
PID 1588 wrote to memory of 528	1588	ttiun.exe	ttiun.exe
PID 1588 wrote to memory of 528	1588	ttiun.exe	ttiun.exe
PID 1588 wrote to memory of 528	1588	ttiun.exe	ttiun.exe
PID 1260 wrote to memory of 1392	1260	Explorer.EXE	msdt.exe
PID 1260 wrote to memory of 1392	1260	Explorer.EXE	msdt.exe
PID 1260 wrote to memory of 1392	1260	Explorer.EXE	msdt.exe
PID 1260 wrote to memory of 1392	1260	Explorer.EXE	msdt.exe
PID 1392 wrote to memory of 1548	1392	msdt.exe	cmd.exe
PID 1392 wrote to memory of 1548	1392	msdt.exe	cmd.exe
PID 1392 wrote to memory of 1548	1392	msdt.exe	cmd.exe
PID 1392 wrote to memory of 1548	1392	msdt.exe	cmd.exe
PID 1424 wrote to memory of 736	1424	WINWORD.EXE	splwow64.exe
PID 1424 wrote to memory of 736	1424	WINWORD.EXE	splwow64.exe
PID 1424 wrote to memory of 736	1424	WINWORD.EXE	splwow64.exe
PID 1424 wrote to memory of 736	1424	WINWORD.EXE	splwow64.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1260

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\SecuriteInfo.com.Exploit.CVE-2018-0798.4.25561.19599.rtf"
2⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1424

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
3⤵
PID:736

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1392

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\ttiun.exe"
3⤵
PID:1548

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:1540

C:\Users\Admin\AppData\Roaming\nijmec.exe
C:\Users\Admin\AppData\Roaming\nijmec.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1796

C:\Users\Admin\AppData\Local\Temp\ttiun.exe
"C:\Users\Admin\AppData\Local\Temp\ttiun.exe" C:\Users\Admin\AppData\Local\Temp\jkbyqpmwpn.myo
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1588

C:\Users\Admin\AppData\Local\Temp\ttiun.exe
"C:\Users\Admin\AppData\Local\Temp\ttiun.exe" C:\Users\Admin\AppData\Local\Temp\jkbyqpmwpn.myo
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:528

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

T1203

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\gguamexvo.lw

Filesize
185KB

MD5
a5a31158bfe067c0ba04e5e4f95f4053

SHA1
1c1335feb34f7b6753a4d4fcc229d5c9eda16fcd

SHA256
f5b7b47ee862ad199a4b84ea0f070b51515695eb7212ffa16f56ac96144d82a0

SHA512
25bdca3d77882f7ec5d9baa9b74d17f7351f2d2dde40719391df68e0a61b3de1b6d65c8a82a67484a3040f1602118d061ad96eacc191dcc9e229d04ce4df896e

Download Submit
C:\Users\Admin\AppData\Local\Temp\jkbyqpmwpn.myo

Filesize
5KB

MD5
8437e8a1212106edf1df72ef5b70e141

SHA1
73ab9b54361194615030d530e33746593ad0b73d

SHA256
00981090f59108d62f1330be78e684b3a40b75ea2da27eb95904a471d4764943

SHA512
823692591cea509967ee97be1e4b7078aa0fba3de222d6794ef94a638a2d56ae8641d0e333cf7de87d768d3401d2ce82b6e27fb457a731fa5572aa1c280198d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\ttiun.exe

Filesize
30KB

MD5
cb9b2eec89472e53b529a2abbea610d3

SHA1
76a747cbfdd15c81d7df9cae1b6c6daf21f488c9

SHA256
c1357d9479a40910d2c6030b58905e263ae821b1132617059df13d9a2dd0960a

SHA512
da5c56cd1e3c069a9cc8943867e754575fc767c5a2d85c752b8a0af444a5161d7c4f12121c6ef4ee484979baa1cc42f1ddf89e6d9dc89e88a9977dc85d739d52

Download Submit
C:\Users\Admin\AppData\Local\Temp\ttiun.exe

Filesize
30KB

MD5
cb9b2eec89472e53b529a2abbea610d3

SHA1
76a747cbfdd15c81d7df9cae1b6c6daf21f488c9

SHA256
c1357d9479a40910d2c6030b58905e263ae821b1132617059df13d9a2dd0960a

SHA512
da5c56cd1e3c069a9cc8943867e754575fc767c5a2d85c752b8a0af444a5161d7c4f12121c6ef4ee484979baa1cc42f1ddf89e6d9dc89e88a9977dc85d739d52

Download Submit
C:\Users\Admin\AppData\Local\Temp\ttiun.exe

Filesize
30KB

MD5
cb9b2eec89472e53b529a2abbea610d3

SHA1
76a747cbfdd15c81d7df9cae1b6c6daf21f488c9

SHA256
c1357d9479a40910d2c6030b58905e263ae821b1132617059df13d9a2dd0960a

SHA512
da5c56cd1e3c069a9cc8943867e754575fc767c5a2d85c752b8a0af444a5161d7c4f12121c6ef4ee484979baa1cc42f1ddf89e6d9dc89e88a9977dc85d739d52

Download Submit
C:\Users\Admin\AppData\Roaming\nijmec.exe

Filesize
442KB

MD5
ac9f7c1ebdf2d688c3f9b7ff82bf4c0a

SHA1
b5a0a41c6b3059a93effa972c8f2641192419445

SHA256
44b473195e8f495f9e53899badaabf0e164b52ec3cc3d73be3c59cc5c570ccd1

SHA512
2b47a0ef4cd5fbc5996dc77a773396146509f7b321ba327190fb16581c33cb0dcaf73b15986b8ff69e0f1b43da97cef84f397d076fd6ba9b35e0b7285485800a

Download Submit
C:\Users\Admin\AppData\Roaming\nijmec.exe

Filesize
442KB

MD5
ac9f7c1ebdf2d688c3f9b7ff82bf4c0a

SHA1
b5a0a41c6b3059a93effa972c8f2641192419445

SHA256
44b473195e8f495f9e53899badaabf0e164b52ec3cc3d73be3c59cc5c570ccd1

SHA512
2b47a0ef4cd5fbc5996dc77a773396146509f7b321ba327190fb16581c33cb0dcaf73b15986b8ff69e0f1b43da97cef84f397d076fd6ba9b35e0b7285485800a

Download Submit
\Users\Admin\AppData\Local\Temp\ttiun.exe

Filesize
30KB

MD5
cb9b2eec89472e53b529a2abbea610d3

SHA1
76a747cbfdd15c81d7df9cae1b6c6daf21f488c9

SHA256
c1357d9479a40910d2c6030b58905e263ae821b1132617059df13d9a2dd0960a

SHA512
da5c56cd1e3c069a9cc8943867e754575fc767c5a2d85c752b8a0af444a5161d7c4f12121c6ef4ee484979baa1cc42f1ddf89e6d9dc89e88a9977dc85d739d52

Download Submit
\Users\Admin\AppData\Local\Temp\ttiun.exe

Filesize
30KB

MD5
cb9b2eec89472e53b529a2abbea610d3

SHA1
76a747cbfdd15c81d7df9cae1b6c6daf21f488c9

SHA256
c1357d9479a40910d2c6030b58905e263ae821b1132617059df13d9a2dd0960a

SHA512
da5c56cd1e3c069a9cc8943867e754575fc767c5a2d85c752b8a0af444a5161d7c4f12121c6ef4ee484979baa1cc42f1ddf89e6d9dc89e88a9977dc85d739d52

Download Submit
\Users\Admin\AppData\Roaming\nijmec.exe

Filesize
442KB

MD5
ac9f7c1ebdf2d688c3f9b7ff82bf4c0a

SHA1
b5a0a41c6b3059a93effa972c8f2641192419445

SHA256
44b473195e8f495f9e53899badaabf0e164b52ec3cc3d73be3c59cc5c570ccd1

SHA512
2b47a0ef4cd5fbc5996dc77a773396146509f7b321ba327190fb16581c33cb0dcaf73b15986b8ff69e0f1b43da97cef84f397d076fd6ba9b35e0b7285485800a

Download Submit
memory/528-78-0x0000000000290000-0x00000000002A4000-memory.dmp

Filesize
80KB

Download
memory/528-77-0x0000000000B60000-0x0000000000E63000-memory.dmp

Filesize
3.0MB

Download
memory/528-76-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/528-73-0x000000000041F0B0-mapping.dmp

Download
memory/736-91-0x000007FEFBD11000-0x000007FEFBD13000-memory.dmp

Filesize
8KB

Download
memory/736-90-0x0000000000000000-mapping.dmp

Download
memory/1260-92-0x0000000004AF0000-0x0000000004BDC000-memory.dmp

Filesize
944KB

Download
memory/1260-88-0x0000000004AF0000-0x0000000004BDC000-memory.dmp

Filesize
944KB

Download
memory/1260-79-0x0000000006CC0000-0x0000000006DF7000-memory.dmp

Filesize
1.2MB

Download
memory/1392-83-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1392-84-0x0000000002210000-0x0000000002513000-memory.dmp

Filesize
3.0MB

Download
memory/1392-89-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1392-87-0x0000000000AD0000-0x0000000000B63000-memory.dmp

Filesize
588KB

Download
memory/1392-80-0x0000000000000000-mapping.dmp

Download
memory/1392-82-0x0000000000D10000-0x0000000000E04000-memory.dmp

Filesize
976KB

Download
memory/1424-75-0x000000006B9C1000-0x000000006B9C3000-memory.dmp

Filesize
8KB

Download
memory/1424-54-0x00000000728B1000-0x00000000728B4000-memory.dmp

Filesize
12KB

Download
memory/1424-86-0x000000006B641000-0x000000006B643000-memory.dmp

Filesize
8KB

Download
memory/1424-58-0x000000007131D000-0x0000000071328000-memory.dmp

Filesize
44KB

Download
memory/1424-57-0x0000000076151000-0x0000000076153000-memory.dmp

Filesize
8KB

Download
memory/1424-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1424-55-0x0000000070331000-0x0000000070333000-memory.dmp

Filesize
8KB

Download
memory/1424-93-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1424-94-0x000000007131D000-0x0000000071328000-memory.dmp

Filesize
44KB

Download
memory/1548-85-0x0000000000000000-mapping.dmp

Download
memory/1588-66-0x0000000000000000-mapping.dmp

Download
memory/1796-61-0x0000000000000000-mapping.dmp

Download