netwire | 8f34a51b15fbfdb665e6593b46c0489072c05dd791f3dab1b0c30b44bb39a7fb

Analysis

max time kernel
140s
max time network
169s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
02-08-2022 17:48

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General

Target

PO -002784.xlsx
Size

110KB
MD5

cbcfc683f542c0cb7801ad70ce218b78
SHA1

dd2cade0bff6cf73167be9679ea1cce1297cbaeb
SHA256

8f34a51b15fbfdb665e6593b46c0489072c05dd791f3dab1b0c30b44bb39a7fb
SHA512

896df789768cbcf1283f10463342b59ff016ae36ecdc668a5838cc403ba086b3c965d1ccbd2c3e36e017e5b84ca8055ccf7ea5297998c9f88b9c1fb762dfa4be

Score

10^/10

netwire botnet rat stealer

Malware Config

Extracted

Family

netwire

37.0.14.206:3384

Attributes

activex_autorun
false
copy_executable
true
delete_original
false
host_id
HostId-%Rand%
install_path
%AppData%\Install\Host.exe
keylogger_dir
%AppData%\Logs\
lock_executable
true
offline_keylogger
true
password
Password234
registry_autorun
false
use_mutex
false

Signatures

NetWire RAT payload 11 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1864-84-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral1/memory/1864-85-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral1/memory/1864-86-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral1/memory/1864-88-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral1/memory/1864-89-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral1/memory/1864-90-0x000000000040242D-mapping.dmp	netwire
behavioral1/memory/1864-94-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral1/memory/1864-98-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral1/memory/1732-125-0x000000000040242D-mapping.dmp	netwire
behavioral1/memory/1732-129-0x0000000000400000-0x0000000000433000-memory.dmp	netwire
behavioral1/memory/1732-131-0x0000000000400000-0x0000000000433000-memory.dmp	netwire

Netwire
Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.
botnet stealer netwire
Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 1400 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 4 IoCs

Processes:

svchost_regasm.exesvchost_regasm.exeHost.exeHost.exe

pid process

768 svchost_regasm.exe
1864 svchost_regasm.exe
1204 Host.exe
1732 Host.exe
Loads dropped DLL 7 IoCs

Processes:

EQNEDT32.EXEsvchost_regasm.exe

pid process

1400 EQNEDT32.EXE
1400 EQNEDT32.EXE
1400 EQNEDT32.EXE
1400 EQNEDT32.EXE
1400 EQNEDT32.EXE
1864 svchost_regasm.exe
1864 svchost_regasm.exe

flow	pid	process
4	1400	EQNEDT32.EXE

pid	process
1400	EQNEDT32.EXE
1400	EQNEDT32.EXE
1400	EQNEDT32.EXE
1400	EQNEDT32.EXE
1400	EQNEDT32.EXE
1864	svchost_regasm.exe
1864	svchost_regasm.exe

Drops file in System32 directory 2 IoCs

Processes:

powershell.exepowershell.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

svchost_regasm.exeHost.exe

description	pid	process	target process
PID 768 set thread context of 1864	768	svchost_regasm.exe	svchost_regasm.exe
PID 1204 set thread context of 1732	1204	Host.exe	Host.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1764 schtasks.exe
628 schtasks.exe
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE
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

1400 EQNEDT32.EXE

pid	process
1764	schtasks.exe
628	schtasks.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

pid	process
1400	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.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\""	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.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\""	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1652 EXCEL.EXE

pid	process
1652	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

svchost_regasm.exepowershell.exeHost.exepowershell.exe

pid	process
768	svchost_regasm.exe
768	svchost_regasm.exe
768	svchost_regasm.exe
768	svchost_regasm.exe
768	svchost_regasm.exe
768	svchost_regasm.exe
1096	powershell.exe
1204	Host.exe
1788	powershell.exe
1204	Host.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

svchost_regasm.exepowershell.exeHost.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	768	svchost_regasm.exe
Token: SeDebugPrivilege	1096	powershell.exe
Token: SeDebugPrivilege	1204	Host.exe
Token: SeDebugPrivilege	1788	powershell.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1652 EXCEL.EXE
1652 EXCEL.EXE
1652 EXCEL.EXE

pid	process
1652	EXCEL.EXE
1652	EXCEL.EXE
1652	EXCEL.EXE

Suspicious use of WriteProcessMemory 48 IoCs

Processes:

EQNEDT32.EXEsvchost_regasm.exesvchost_regasm.exeHost.exe

description	pid	process	target process
PID 1400 wrote to memory of 768	1400	EQNEDT32.EXE	svchost_regasm.exe
PID 1400 wrote to memory of 768	1400	EQNEDT32.EXE	svchost_regasm.exe
PID 1400 wrote to memory of 768	1400	EQNEDT32.EXE	svchost_regasm.exe
PID 1400 wrote to memory of 768	1400	EQNEDT32.EXE	svchost_regasm.exe
PID 768 wrote to memory of 1096	768	svchost_regasm.exe	powershell.exe
PID 768 wrote to memory of 1096	768	svchost_regasm.exe	powershell.exe
PID 768 wrote to memory of 1096	768	svchost_regasm.exe	powershell.exe
PID 768 wrote to memory of 1096	768	svchost_regasm.exe	powershell.exe
PID 768 wrote to memory of 628	768	svchost_regasm.exe	schtasks.exe
PID 768 wrote to memory of 628	768	svchost_regasm.exe	schtasks.exe
PID 768 wrote to memory of 628	768	svchost_regasm.exe	schtasks.exe
PID 768 wrote to memory of 628	768	svchost_regasm.exe	schtasks.exe
PID 768 wrote to memory of 1864	768	svchost_regasm.exe	svchost_regasm.exe
PID 768 wrote to memory of 1864	768	svchost_regasm.exe	svchost_regasm.exe
PID 768 wrote to memory of 1864	768	svchost_regasm.exe	svchost_regasm.exe
PID 768 wrote to memory of 1864	768	svchost_regasm.exe	svchost_regasm.exe
PID 768 wrote to memory of 1864	768	svchost_regasm.exe	svchost_regasm.exe
PID 768 wrote to memory of 1864	768	svchost_regasm.exe	svchost_regasm.exe
PID 768 wrote to memory of 1864	768	svchost_regasm.exe	svchost_regasm.exe
PID 768 wrote to memory of 1864	768	svchost_regasm.exe	svchost_regasm.exe
PID 768 wrote to memory of 1864	768	svchost_regasm.exe	svchost_regasm.exe
PID 768 wrote to memory of 1864	768	svchost_regasm.exe	svchost_regasm.exe
PID 768 wrote to memory of 1864	768	svchost_regasm.exe	svchost_regasm.exe
PID 768 wrote to memory of 1864	768	svchost_regasm.exe	svchost_regasm.exe
PID 1864 wrote to memory of 1204	1864	svchost_regasm.exe	Host.exe
PID 1864 wrote to memory of 1204	1864	svchost_regasm.exe	Host.exe
PID 1864 wrote to memory of 1204	1864	svchost_regasm.exe	Host.exe
PID 1864 wrote to memory of 1204	1864	svchost_regasm.exe	Host.exe
PID 1204 wrote to memory of 1788	1204	Host.exe	powershell.exe
PID 1204 wrote to memory of 1788	1204	Host.exe	powershell.exe
PID 1204 wrote to memory of 1788	1204	Host.exe	powershell.exe
PID 1204 wrote to memory of 1788	1204	Host.exe	powershell.exe
PID 1204 wrote to memory of 1764	1204	Host.exe	schtasks.exe
PID 1204 wrote to memory of 1764	1204	Host.exe	schtasks.exe
PID 1204 wrote to memory of 1764	1204	Host.exe	schtasks.exe
PID 1204 wrote to memory of 1764	1204	Host.exe	schtasks.exe
PID 1204 wrote to memory of 1732	1204	Host.exe	Host.exe
PID 1204 wrote to memory of 1732	1204	Host.exe	Host.exe
PID 1204 wrote to memory of 1732	1204	Host.exe	Host.exe
PID 1204 wrote to memory of 1732	1204	Host.exe	Host.exe
PID 1204 wrote to memory of 1732	1204	Host.exe	Host.exe
PID 1204 wrote to memory of 1732	1204	Host.exe	Host.exe
PID 1204 wrote to memory of 1732	1204	Host.exe	Host.exe
PID 1204 wrote to memory of 1732	1204	Host.exe	Host.exe
PID 1204 wrote to memory of 1732	1204	Host.exe	Host.exe
PID 1204 wrote to memory of 1732	1204	Host.exe	Host.exe
PID 1204 wrote to memory of 1732	1204	Host.exe	Host.exe
PID 1204 wrote to memory of 1732	1204	Host.exe	Host.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\PO -002784.xlsx"
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1652

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:1400

C:\Users\Public\svchost_regasm.exe
"C:\Users\Public\svchost_regasm.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:768

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QrFwdapUjOrhP.exe"
3⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1096

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QrFwdapUjOrhP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp64CC.tmp"
3⤵
- Creates scheduled task(s)
PID:628

C:\Users\Public\svchost_regasm.exe
"C:\Users\Public\svchost_regasm.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1864

C:\Users\Admin\AppData\Roaming\Install\Host.exe
"C:\Users\Admin\AppData\Roaming\Install\Host.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1204

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QrFwdapUjOrhP.exe"
5⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1788

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QrFwdapUjOrhP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4D18.tmp"
5⤵
- Creates scheduled task(s)
PID:1764

C:\Users\Admin\AppData\Roaming\Install\Host.exe
"C:\Users\Admin\AppData\Roaming\Install\Host.exe"
5⤵
- Executes dropped EXE
PID:1732

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Exploitation for Client Execution

T1203

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4D18.tmp
Filesize
1KB

MD5
bd6751feb128b572f339886f49f88799

SHA1
192dfe5b77a12ef15abac9fc056d77981e77085a

SHA256
6d3908bae70438d1364f7f091a4c06fe35997c7c24d872800359dc899bc94e68

SHA512
5dddff7104ccab1549159c3074a737bad19de6b0bf344f309d3d31ab4c56d5c389fe156fc66037785de5d1c14d921bf55274e387a85dc08fe89708a6171a98ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp64CC.tmp
Filesize
1KB

MD5
bd6751feb128b572f339886f49f88799

SHA1
192dfe5b77a12ef15abac9fc056d77981e77085a

SHA256
6d3908bae70438d1364f7f091a4c06fe35997c7c24d872800359dc899bc94e68

SHA512
5dddff7104ccab1549159c3074a737bad19de6b0bf344f309d3d31ab4c56d5c389fe156fc66037785de5d1c14d921bf55274e387a85dc08fe89708a6171a98ad

Download Submit
C:\Users\Admin\AppData\Roaming\Install\Host.exe
Filesize
696KB

MD5
e40fb6f7b8378a9d0606cfac8eb60f5d

SHA1
b8da9767ceeec76d7b465db3ad098f740f97c35e

SHA256
024720abbe74c6d8e81fb5aacde66f0526a3ed4f7300e14f0ff0599bbaa2cde0

SHA512
9225c4526c93480377c1fa60021fa541014e83768ae265d76f9db5e5556e23255d0083946bdff732cd84efd1ac563cc69265131ea677804f42ec2367db2bcba0

Download Submit
C:\Users\Admin\AppData\Roaming\Install\Host.exe
Filesize
696KB

MD5
e40fb6f7b8378a9d0606cfac8eb60f5d

SHA1
b8da9767ceeec76d7b465db3ad098f740f97c35e

SHA256
024720abbe74c6d8e81fb5aacde66f0526a3ed4f7300e14f0ff0599bbaa2cde0

SHA512
9225c4526c93480377c1fa60021fa541014e83768ae265d76f9db5e5556e23255d0083946bdff732cd84efd1ac563cc69265131ea677804f42ec2367db2bcba0

Download Submit
C:\Users\Admin\AppData\Roaming\Install\Host.exe
Filesize
696KB

MD5
e40fb6f7b8378a9d0606cfac8eb60f5d

SHA1
b8da9767ceeec76d7b465db3ad098f740f97c35e

SHA256
024720abbe74c6d8e81fb5aacde66f0526a3ed4f7300e14f0ff0599bbaa2cde0

SHA512
9225c4526c93480377c1fa60021fa541014e83768ae265d76f9db5e5556e23255d0083946bdff732cd84efd1ac563cc69265131ea677804f42ec2367db2bcba0

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize
7KB

MD5
363f1bc3da63195cd557e277a8cb8a52

SHA1
34701b0e721d9b14e9bdfdaca8aa3736d29130c8

SHA256
daf80253e279998ef7020983ecbe240ecbbb9e4f0c8460628b5c7846aa36766e

SHA512
65fc20607bb7804dd8157ce4ebbac331329496736fc57a1cea0a3a7b29cea869f02991d870fe168569125ba7d667ea45e410f97953bd952905d17ea3674d59e3

Download Submit
C:\Users\Public\svchost_regasm.exe
Filesize
696KB

MD5
e40fb6f7b8378a9d0606cfac8eb60f5d

SHA1
b8da9767ceeec76d7b465db3ad098f740f97c35e

SHA256
024720abbe74c6d8e81fb5aacde66f0526a3ed4f7300e14f0ff0599bbaa2cde0

SHA512
9225c4526c93480377c1fa60021fa541014e83768ae265d76f9db5e5556e23255d0083946bdff732cd84efd1ac563cc69265131ea677804f42ec2367db2bcba0

Download Submit
C:\Users\Public\svchost_regasm.exe
Filesize
696KB

MD5
e40fb6f7b8378a9d0606cfac8eb60f5d

SHA1
b8da9767ceeec76d7b465db3ad098f740f97c35e

SHA256
024720abbe74c6d8e81fb5aacde66f0526a3ed4f7300e14f0ff0599bbaa2cde0

SHA512
9225c4526c93480377c1fa60021fa541014e83768ae265d76f9db5e5556e23255d0083946bdff732cd84efd1ac563cc69265131ea677804f42ec2367db2bcba0

Download Submit
C:\Users\Public\svchost_regasm.exe
Filesize
696KB

MD5
e40fb6f7b8378a9d0606cfac8eb60f5d

SHA1
b8da9767ceeec76d7b465db3ad098f740f97c35e

SHA256
024720abbe74c6d8e81fb5aacde66f0526a3ed4f7300e14f0ff0599bbaa2cde0

SHA512
9225c4526c93480377c1fa60021fa541014e83768ae265d76f9db5e5556e23255d0083946bdff732cd84efd1ac563cc69265131ea677804f42ec2367db2bcba0

Download Submit
\Users\Admin\AppData\Roaming\Install\Host.exe
Filesize
696KB

MD5
e40fb6f7b8378a9d0606cfac8eb60f5d

SHA1
b8da9767ceeec76d7b465db3ad098f740f97c35e

SHA256
024720abbe74c6d8e81fb5aacde66f0526a3ed4f7300e14f0ff0599bbaa2cde0

SHA512
9225c4526c93480377c1fa60021fa541014e83768ae265d76f9db5e5556e23255d0083946bdff732cd84efd1ac563cc69265131ea677804f42ec2367db2bcba0

Download Submit
\Users\Admin\AppData\Roaming\Install\Host.exe
Filesize
696KB

MD5
e40fb6f7b8378a9d0606cfac8eb60f5d

SHA1
b8da9767ceeec76d7b465db3ad098f740f97c35e

SHA256
024720abbe74c6d8e81fb5aacde66f0526a3ed4f7300e14f0ff0599bbaa2cde0

SHA512
9225c4526c93480377c1fa60021fa541014e83768ae265d76f9db5e5556e23255d0083946bdff732cd84efd1ac563cc69265131ea677804f42ec2367db2bcba0

Download Submit
\Users\Public\svchost_regasm.exe
Filesize
696KB

MD5
e40fb6f7b8378a9d0606cfac8eb60f5d

SHA1
b8da9767ceeec76d7b465db3ad098f740f97c35e

SHA256
024720abbe74c6d8e81fb5aacde66f0526a3ed4f7300e14f0ff0599bbaa2cde0

SHA512
9225c4526c93480377c1fa60021fa541014e83768ae265d76f9db5e5556e23255d0083946bdff732cd84efd1ac563cc69265131ea677804f42ec2367db2bcba0

Download Submit
\Users\Public\svchost_regasm.exe
Filesize
696KB

MD5
e40fb6f7b8378a9d0606cfac8eb60f5d

SHA1
b8da9767ceeec76d7b465db3ad098f740f97c35e

SHA256
024720abbe74c6d8e81fb5aacde66f0526a3ed4f7300e14f0ff0599bbaa2cde0

SHA512
9225c4526c93480377c1fa60021fa541014e83768ae265d76f9db5e5556e23255d0083946bdff732cd84efd1ac563cc69265131ea677804f42ec2367db2bcba0

Download Submit
\Users\Public\svchost_regasm.exe
Filesize
696KB

MD5
e40fb6f7b8378a9d0606cfac8eb60f5d

SHA1
b8da9767ceeec76d7b465db3ad098f740f97c35e

SHA256
024720abbe74c6d8e81fb5aacde66f0526a3ed4f7300e14f0ff0599bbaa2cde0

SHA512
9225c4526c93480377c1fa60021fa541014e83768ae265d76f9db5e5556e23255d0083946bdff732cd84efd1ac563cc69265131ea677804f42ec2367db2bcba0

Download Submit
\Users\Public\svchost_regasm.exe
Filesize
696KB

MD5
e40fb6f7b8378a9d0606cfac8eb60f5d

SHA1
b8da9767ceeec76d7b465db3ad098f740f97c35e

SHA256
024720abbe74c6d8e81fb5aacde66f0526a3ed4f7300e14f0ff0599bbaa2cde0

SHA512
9225c4526c93480377c1fa60021fa541014e83768ae265d76f9db5e5556e23255d0083946bdff732cd84efd1ac563cc69265131ea677804f42ec2367db2bcba0

Download Submit
\Users\Public\svchost_regasm.exe
Filesize
696KB

MD5
e40fb6f7b8378a9d0606cfac8eb60f5d

SHA1
b8da9767ceeec76d7b465db3ad098f740f97c35e

SHA256
024720abbe74c6d8e81fb5aacde66f0526a3ed4f7300e14f0ff0599bbaa2cde0

SHA512
9225c4526c93480377c1fa60021fa541014e83768ae265d76f9db5e5556e23255d0083946bdff732cd84efd1ac563cc69265131ea677804f42ec2367db2bcba0

Download Submit
memory/628-75-0x0000000000000000-mapping.dmp

Download
memory/768-65-0x0000000000000000-mapping.dmp

Download
memory/768-68-0x0000000000050000-0x0000000000104000-memory.dmp

Filesize
720KB

Download
memory/768-70-0x0000000000500000-0x0000000000516000-memory.dmp

Filesize
88KB

Download
memory/768-72-0x0000000000520000-0x000000000052A000-memory.dmp

Filesize
40KB

Download
memory/768-73-0x00000000053A0000-0x0000000005420000-memory.dmp

Filesize
512KB

Download
memory/768-78-0x0000000004F10000-0x0000000004F42000-memory.dmp

Filesize
200KB

Download
memory/1096-103-0x0000000066710000-0x0000000066CBB000-memory.dmp

Filesize
5.7MB

Download
memory/1096-104-0x0000000066710000-0x0000000066CBB000-memory.dmp

Filesize
5.7MB

Download
memory/1096-74-0x0000000000000000-mapping.dmp

Download
memory/1204-112-0x0000000004840000-0x0000000004872000-memory.dmp

Filesize
200KB

Download
memory/1204-101-0x0000000000C40000-0x0000000000CF4000-memory.dmp

Filesize
720KB

Download
memory/1204-97-0x0000000000000000-mapping.dmp

Download
memory/1652-106-0x000000007227D000-0x0000000072288000-memory.dmp

Filesize
44KB

Download
memory/1652-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1652-57-0x000000007227D000-0x0000000072288000-memory.dmp

Filesize
44KB

Download
memory/1652-54-0x000000002F121000-0x000000002F124000-memory.dmp

Filesize
12KB

Download
memory/1652-105-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1652-55-0x0000000071291000-0x0000000071293000-memory.dmp

Filesize
8KB

Download
memory/1652-71-0x000000007227D000-0x0000000072288000-memory.dmp

Filesize
44KB

Download
memory/1652-58-0x00000000756B1000-0x00000000756B3000-memory.dmp

Filesize
8KB

Download
memory/1732-125-0x000000000040242D-mapping.dmp

Download
memory/1732-129-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1732-131-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1764-108-0x0000000000000000-mapping.dmp

Download
memory/1788-107-0x0000000000000000-mapping.dmp

Download
memory/1788-130-0x0000000073260000-0x000000007380B000-memory.dmp

Filesize
5.7MB

Download
memory/1788-113-0x0000000073260000-0x000000007380B000-memory.dmp

Filesize
5.7MB

Download
memory/1864-90-0x000000000040242D-mapping.dmp

Download
memory/1864-82-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1864-80-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1864-98-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1864-89-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1864-94-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1864-88-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1864-86-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1864-85-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1864-79-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1864-84-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download