warzonerat | 6841bbfdc2ef1768e7b3bca495a17b425726362e086456be2e0ba97a16c97852

Analysis

max time kernel
105s
max time network
140s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
06-12-2022 13:34

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General

Target

SecuriteInfo.com.Exploit.CVE-2018-0798.4.4196.9009.rtf
Size

3KB
MD5

be3b9a7ca16d063b9b2b3c132edb0f79
SHA1

045318816244ba901aeb001c114ec5d97b18b6cd
SHA256

6841bbfdc2ef1768e7b3bca495a17b425726362e086456be2e0ba97a16c97852
SHA512

b597ace309591d07e54d10918077043f4d5ba1105ac66be77efbf7d4aa3b05587bc16811f15098f298702955f94bc350207c5080b1759ef02af77e3b1cb6cd89

Score

10^/10

warzonerat infostealer persistence rat

Malware Config

Extracted

Family

warzonerat

baramac.duckdns.org:6269

Signatures

WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
rat infostealer warzonerat

Warzone RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1356-76-0x0000000000400000-0x000000000041D000-memory.dmp	warzonerat

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 1616 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

word.exexcfoyif.exexcfoyif.exe

pid process

1388 word.exe
1836 xcfoyif.exe
1356 xcfoyif.exe
Loads dropped DLL 3 IoCs

Processes:

EQNEDT32.EXEword.exexcfoyif.exe

pid process

1616 EQNEDT32.EXE
1388 word.exe
1836 xcfoyif.exe

flow	pid	process
4	1616	EQNEDT32.EXE

pid	process
1388	word.exe
1836	xcfoyif.exe
1356	xcfoyif.exe

pid	process
1616	EQNEDT32.EXE
1388	word.exe
1836	xcfoyif.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

xcfoyif.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\gjtm = "C:\\Users\\Admin\\AppData\\Roaming\\rojm\\yfuakto.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\xcfoyif.exe\" C:\\Users\\Admin\\AppData\\Local\\Temp\\"	xcfoyif.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

xcfoyif.exe

description pid process target process

PID 1836 set thread context of 1356 1836 xcfoyif.exe xcfoyif.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	pid	process	target process
PID 1836 set thread context of 1356	1836	xcfoyif.exe	xcfoyif.exe

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\word.exe	nsis_installer_1
\Users\Admin\AppData\Roaming\word.exe	nsis_installer_2
C:\Users\Admin\AppData\Roaming\word.exe	nsis_installer_1
C:\Users\Admin\AppData\Roaming\word.exe	nsis_installer_2
C:\Users\Admin\AppData\Roaming\word.exe	nsis_installer_1
C:\Users\Admin\AppData\Roaming\word.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

1616 EQNEDT32.EXE

pid	process
1616	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
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\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML 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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Key deleted	\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\shell\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
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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\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\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
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 HTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	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\shell	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

1600 WINWORD.EXE
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

xcfoyif.exe

pid process

1836 xcfoyif.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

WINWORD.EXExcfoyif.exe

pid process

1600 WINWORD.EXE
1600 WINWORD.EXE
1356 xcfoyif.exe

pid	process
1600	WINWORD.EXE

pid	process
1836	xcfoyif.exe

pid	process
1600	WINWORD.EXE
1600	WINWORD.EXE
1356	xcfoyif.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

EQNEDT32.EXEword.exexcfoyif.exeWINWORD.EXE

description	pid	process	target process
PID 1616 wrote to memory of 1388	1616	EQNEDT32.EXE	word.exe
PID 1616 wrote to memory of 1388	1616	EQNEDT32.EXE	word.exe
PID 1616 wrote to memory of 1388	1616	EQNEDT32.EXE	word.exe
PID 1616 wrote to memory of 1388	1616	EQNEDT32.EXE	word.exe
PID 1388 wrote to memory of 1836	1388	word.exe	xcfoyif.exe
PID 1388 wrote to memory of 1836	1388	word.exe	xcfoyif.exe
PID 1388 wrote to memory of 1836	1388	word.exe	xcfoyif.exe
PID 1388 wrote to memory of 1836	1388	word.exe	xcfoyif.exe
PID 1836 wrote to memory of 1356	1836	xcfoyif.exe	xcfoyif.exe
PID 1836 wrote to memory of 1356	1836	xcfoyif.exe	xcfoyif.exe
PID 1836 wrote to memory of 1356	1836	xcfoyif.exe	xcfoyif.exe
PID 1836 wrote to memory of 1356	1836	xcfoyif.exe	xcfoyif.exe
PID 1836 wrote to memory of 1356	1836	xcfoyif.exe	xcfoyif.exe
PID 1600 wrote to memory of 1684	1600	WINWORD.EXE	splwow64.exe
PID 1600 wrote to memory of 1684	1600	WINWORD.EXE	splwow64.exe
PID 1600 wrote to memory of 1684	1600	WINWORD.EXE	splwow64.exe
PID 1600 wrote to memory of 1684	1600	WINWORD.EXE	splwow64.exe

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-2018-0798.4.4196.9009.rtf"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1600

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1684

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:1616

C:\Users\Admin\AppData\Roaming\word.exe
C:\Users\Admin\AppData\Roaming\word.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1388

C:\Users\Admin\AppData\Local\Temp\xcfoyif.exe
"C:\Users\Admin\AppData\Local\Temp\xcfoyif.exe" C:\Users\Admin\AppData\Local\Temp\rrchmtd.ihc
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1836

C:\Users\Admin\AppData\Local\Temp\xcfoyif.exe
"C:\Users\Admin\AppData\Local\Temp\xcfoyif.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1356

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Exploitation for Client Execution

T1203

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\kmxqftqk.qph
Filesize
98KB

MD5
6c84aab264b84f7b49e3469dadc6fd2e

SHA1
b504d78a83fc55921d8696019d1ba3117358e71d

SHA256
814b2671e7062d4a1a0de38d9c5bf5dc0195af248397b39e65300993066d99f9

SHA512
c7f0a6145160e1692f24fea49340b884636393138114765bdd93f469fb30c131e004527b0205c8549da4c77d16b556900c58e182485ba65b1dcffa2a49948b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\rrchmtd.ihc
Filesize
7KB

MD5
88c3926cb29745d988b0e794378e4728

SHA1
8b58f03f1542aa30878619e52a800037538639cb

SHA256
5ef5687c9cfc258ff4283ce3b67eef061bfedb2e7b81f76392a3ffdcc5a061ca

SHA512
b3cd557f2ba7325f07ba2004365959d02dbb4b63607b807e652c409876effbe9e4e393d44cf9d9d827ceec21f24f93a72e3fb3926fb07269f751a2a162480fef

Download Submit
C:\Users\Admin\AppData\Local\Temp\xcfoyif.exe
Filesize
13KB

MD5
a76eebf673691ad96288a99825e4c5c6

SHA1
e82d6bd4d1f3b19fe88f0e53f811260fb89fc2c1

SHA256
266237fe1dfb6f03610b7c3311d6122963787f64e2a6ef374a7d043921b30f74

SHA512
34d0535d4f9a08fa7233e4a1e4e2fbc8e5322f089568fe343e2273f99164cdafc322a08fe8dc0847e48389cf3394292a873147540991b303171aad8189ccd596

Download Submit
C:\Users\Admin\AppData\Local\Temp\xcfoyif.exe
Filesize
13KB

MD5
a76eebf673691ad96288a99825e4c5c6

SHA1
e82d6bd4d1f3b19fe88f0e53f811260fb89fc2c1

SHA256
266237fe1dfb6f03610b7c3311d6122963787f64e2a6ef374a7d043921b30f74

SHA512
34d0535d4f9a08fa7233e4a1e4e2fbc8e5322f089568fe343e2273f99164cdafc322a08fe8dc0847e48389cf3394292a873147540991b303171aad8189ccd596

Download Submit
C:\Users\Admin\AppData\Local\Temp\xcfoyif.exe
Filesize
13KB

MD5
a76eebf673691ad96288a99825e4c5c6

SHA1
e82d6bd4d1f3b19fe88f0e53f811260fb89fc2c1

SHA256
266237fe1dfb6f03610b7c3311d6122963787f64e2a6ef374a7d043921b30f74

SHA512
34d0535d4f9a08fa7233e4a1e4e2fbc8e5322f089568fe343e2273f99164cdafc322a08fe8dc0847e48389cf3394292a873147540991b303171aad8189ccd596

Download Submit
C:\Users\Admin\AppData\Roaming\word.exe
Filesize
328KB

MD5
33cfde0badba18cca2d44476d7d45edc

SHA1
290003e3266acffa2e669e50ff0aad8f3974b214

SHA256
3650e941f589db93a518d602e4b0ddd9a54c7c42f3d1d06bdda467651cbb95f7

SHA512
9ee920f4b040d54b48bd80bf1cf29a9ce8572fbf75c737f55fdf8fc7127b63d900e3690af85124b40593e1a30142bce7235c8df025c7e1ec71f97e8cf4478dc5

Download Submit
C:\Users\Admin\AppData\Roaming\word.exe
Filesize
328KB

MD5
33cfde0badba18cca2d44476d7d45edc

SHA1
290003e3266acffa2e669e50ff0aad8f3974b214

SHA256
3650e941f589db93a518d602e4b0ddd9a54c7c42f3d1d06bdda467651cbb95f7

SHA512
9ee920f4b040d54b48bd80bf1cf29a9ce8572fbf75c737f55fdf8fc7127b63d900e3690af85124b40593e1a30142bce7235c8df025c7e1ec71f97e8cf4478dc5

Download Submit
\Users\Admin\AppData\Local\Temp\xcfoyif.exe
Filesize
13KB

MD5
a76eebf673691ad96288a99825e4c5c6

SHA1
e82d6bd4d1f3b19fe88f0e53f811260fb89fc2c1

SHA256
266237fe1dfb6f03610b7c3311d6122963787f64e2a6ef374a7d043921b30f74

SHA512
34d0535d4f9a08fa7233e4a1e4e2fbc8e5322f089568fe343e2273f99164cdafc322a08fe8dc0847e48389cf3394292a873147540991b303171aad8189ccd596

Download Submit
\Users\Admin\AppData\Local\Temp\xcfoyif.exe
Filesize
13KB

MD5
a76eebf673691ad96288a99825e4c5c6

SHA1
e82d6bd4d1f3b19fe88f0e53f811260fb89fc2c1

SHA256
266237fe1dfb6f03610b7c3311d6122963787f64e2a6ef374a7d043921b30f74

SHA512
34d0535d4f9a08fa7233e4a1e4e2fbc8e5322f089568fe343e2273f99164cdafc322a08fe8dc0847e48389cf3394292a873147540991b303171aad8189ccd596

Download Submit
\Users\Admin\AppData\Roaming\word.exe
Filesize
328KB

MD5
33cfde0badba18cca2d44476d7d45edc

SHA1
290003e3266acffa2e669e50ff0aad8f3974b214

SHA256
3650e941f589db93a518d602e4b0ddd9a54c7c42f3d1d06bdda467651cbb95f7

SHA512
9ee920f4b040d54b48bd80bf1cf29a9ce8572fbf75c737f55fdf8fc7127b63d900e3690af85124b40593e1a30142bce7235c8df025c7e1ec71f97e8cf4478dc5

Download Submit
memory/1356-76-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1356-73-0x0000000000405738-mapping.dmp

Download
memory/1388-61-0x0000000000000000-mapping.dmp

Download
memory/1600-57-0x0000000076461000-0x0000000076463000-memory.dmp

Filesize
8KB

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

Filesize
64KB

Download
memory/1600-55-0x00000000700C1000-0x00000000700C3000-memory.dmp

Filesize
8KB

Download
memory/1600-58-0x00000000710AD000-0x00000000710B8000-memory.dmp

Filesize
44KB

Download
memory/1600-54-0x0000000072641000-0x0000000072644000-memory.dmp

Filesize
12KB

Download
memory/1600-77-0x00000000710AD000-0x00000000710B8000-memory.dmp

Filesize
44KB

Download
memory/1600-80-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1600-81-0x00000000710AD000-0x00000000710B8000-memory.dmp

Filesize
44KB

Download
memory/1684-78-0x0000000000000000-mapping.dmp

Download
memory/1684-79-0x000007FEFBB51000-0x000007FEFBB53000-memory.dmp

Filesize
8KB

Download
memory/1836-66-0x0000000000000000-mapping.dmp

Download