nanocore | 380f9c4da48603ca8fd5a58c76dc599e0742221c7fb3cb82bfc945037b84a0b0

Analysis

max time kernel
152s
max time network
160s
platform
windows7_x64
resource
win7-en-20211014
submitted
21-10-2021 06:14

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General

Target

product specification.xlsx
Size

369KB
MD5

93826e1dd82bb204af094cee13e166a1
SHA1

d3dccb0145e0a51774c4d08190f8677352ea8743
SHA256

380f9c4da48603ca8fd5a58c76dc599e0742221c7fb3cb82bfc945037b84a0b0
SHA512

6eeb6543e0ebe654907997650f225cc9903decf2e537dedfab5fc26a36ae8d8647f964cda671310a0efc46ba0f5a5bb6a1b80f62f563f1868fb34df86007c17d

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

newme122.3utilities.com:8822

newme1122.3utilities.com:8822

Mutex

dcf3fee6-c103-45ee-a2f0-f8afaa78d1fe

Attributes

activate_away_mode
true
backup_connection_host
newme1122.3utilities.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-31T13:00:17.372768836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
8822
default_group
A New TIme Has Come
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
dcf3fee6-c103-45ee-a2f0-f8afaa78d1fe
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
newme122.3utilities.com
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

5 660 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

vbc.exevfqftjs.pifRegSvcs.exe

pid process

1760 vbc.exe
1832 vfqftjs.pif
1464 RegSvcs.exe
Loads dropped DLL 8 IoCs

Processes:

EQNEDT32.EXEvbc.exevfqftjs.pif

pid process

660 EQNEDT32.EXE
660 EQNEDT32.EXE
660 EQNEDT32.EXE
1760 vbc.exe
1760 vbc.exe
1760 vbc.exe
1760 vbc.exe
1832 vfqftjs.pif
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
5	660	EQNEDT32.EXE

pid	process
1760	vbc.exe
1832	vfqftjs.pif
1464	RegSvcs.exe

pid	process
660	EQNEDT32.EXE
660	EQNEDT32.EXE
660	EQNEDT32.EXE
1760	vbc.exe
1760	vbc.exe
1760	vbc.exe
1760	vbc.exe
1832	vfqftjs.pif

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

vfqftjs.pif

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	vfqftjs.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\Users\\Admin\\04687118\\vfqftjs.pif C:\\Users\\Admin\\04687118\\benowsto.dso"	vfqftjs.pif

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RegSvcs.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RegSvcs.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

vfqftjs.pif

description pid process target process

PID 1832 set thread context of 1464 1832 vfqftjs.pif RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
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

660 EQNEDT32.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	RegSvcs.exe

description	pid	process	target process
PID 1832 set thread context of 1464	1832	vfqftjs.pif	RegSvcs.exe

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

pid	process
660	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\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\shell\edit\command	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
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	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-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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\shell\edit\COMMAND	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\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	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	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\edit	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	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	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	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-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1756 EXCEL.EXE

pid	process
1756	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

vfqftjs.pifRegSvcs.exe

pid	process
1832	vfqftjs.pif
1464	RegSvcs.exe
1464	RegSvcs.exe
1464	RegSvcs.exe
1464	RegSvcs.exe
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1464	RegSvcs.exe
1464	RegSvcs.exe
1464	RegSvcs.exe
1464	RegSvcs.exe
1464	RegSvcs.exe
1464	RegSvcs.exe
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif
1832	vfqftjs.pif

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

1464 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1464 RegSvcs.exe
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1756 EXCEL.EXE
1756 EXCEL.EXE
1756 EXCEL.EXE
1756 EXCEL.EXE
1756 EXCEL.EXE

pid	process
1464	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1464	RegSvcs.exe

pid	process
1756	EXCEL.EXE
1756	EXCEL.EXE
1756	EXCEL.EXE
1756	EXCEL.EXE
1756	EXCEL.EXE

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

EQNEDT32.EXEvbc.exevfqftjs.pif

description	pid	process	target process
PID 660 wrote to memory of 1760	660	EQNEDT32.EXE	vbc.exe
PID 660 wrote to memory of 1760	660	EQNEDT32.EXE	vbc.exe
PID 660 wrote to memory of 1760	660	EQNEDT32.EXE	vbc.exe
PID 660 wrote to memory of 1760	660	EQNEDT32.EXE	vbc.exe
PID 1760 wrote to memory of 1832	1760	vbc.exe	vfqftjs.pif
PID 1760 wrote to memory of 1832	1760	vbc.exe	vfqftjs.pif
PID 1760 wrote to memory of 1832	1760	vbc.exe	vfqftjs.pif
PID 1760 wrote to memory of 1832	1760	vbc.exe	vfqftjs.pif
PID 1832 wrote to memory of 1464	1832	vfqftjs.pif	RegSvcs.exe
PID 1832 wrote to memory of 1464	1832	vfqftjs.pif	RegSvcs.exe
PID 1832 wrote to memory of 1464	1832	vfqftjs.pif	RegSvcs.exe
PID 1832 wrote to memory of 1464	1832	vfqftjs.pif	RegSvcs.exe
PID 1832 wrote to memory of 1464	1832	vfqftjs.pif	RegSvcs.exe
PID 1832 wrote to memory of 1464	1832	vfqftjs.pif	RegSvcs.exe
PID 1832 wrote to memory of 1464	1832	vfqftjs.pif	RegSvcs.exe
PID 1832 wrote to memory of 1464	1832	vfqftjs.pif	RegSvcs.exe
PID 1832 wrote to memory of 1464	1832	vfqftjs.pif	RegSvcs.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\product specification.xlsx"
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1756

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:660

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1760

C:\Users\Admin\04687118\vfqftjs.pif
"C:\Users\Admin\04687118\vfqftjs.pif" benowsto.dso
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1832

C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
4⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1464

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

T1064

Exploitation for Client Execution

T1203

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Scripting

T1064

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\04687118\benowsto.dso
MD5
51853c9a0e0b028b6027d4254a053009

SHA1
09af088fbb6cbd981b432cb0485c281236f3de32

SHA256
bca12808ccc47b7ac76d98cc2ac9ab4c8a69688a8076d2e2d52049528dce16a3

SHA512
046260a1a942ab23eaf952d73a3610617256675efca7228ee2e7a005889e7f20c5c222a3d4429e3a600fbd0d991d77e930f931c9bb74cb867b57b8373c1c2a8b

Download Submit
C:\Users\Admin\04687118\htdvvtoec.cpl
MD5
7ed530856ca49cc6e529fde187cafa69

SHA1
45decbe54611c757d6ff1897cc5d8736663a235e

SHA256
b7dcb66c6681eca56a487148033d518dcf6bbc9f8daeb36065a62300bbf6bf18

SHA512
f653a02643cd32bd2c330c0a3e775ef518364229979a730e549a2bae4c2dd203b24e32b28572a8bfad81141cb0147e22fa177102a9428561b330554f51c5347a

Download Submit
C:\Users\Admin\04687118\vfqftjs.pif
MD5
8935e163bb79e8d4b40b73521a06a0d1

SHA1
dfd9f6cd5dabf0c2fae0186b5471f025f542c708

SHA256
3a2b62144b3b6bc612770de7777233c96ea35e50e9fd7b0b482862825d728fdb

SHA512
76620b23fe5f2bcc783bcbd7fb27a68a171751a96b459f757045f80e027d452724c73292a008acad58eb58b6eb99dddf82130a83e761e35b7e5c4d89b058d175

Download Submit
C:\Users\Admin\04687118\xekts.rve
MD5
9a23a74450492ba99ed6e21118519974

SHA1
097ebe56f9b80153cc85a9967a759a590c3e2fcd

SHA256
2afd228cda8311585ceada01a515dc32f21fc87e31b2c3eaec6fadb489779cbc

SHA512
e1885d3657275d8e70f0f61ac0a6af6c9202e233def34e820fb9054ab07f0b73c83edc667787263e3a29933fefa24d027cd61b14d3c156ece15692b9d8561511

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
C:\Users\Public\vbc.exe
MD5
201e9ae321377c18400c09ff75c9aee6

SHA1
22402aee8967bb97e65cdc7a2b1fd051d4599bba

SHA256
d0086a02cd46959e9e0e7309a97a5ab08ff482262406bfd7e35fe6351f98c124

SHA512
1a865fadc93b6f95554ca6940712b181f057da66ac73e28c22fe1f1838cd12016f28ca5f05241a3f4778d34609e857913c3e1063f59ce3ba9ea7ac5d0a5909d4

Download Submit
C:\Users\Public\vbc.exe
MD5
201e9ae321377c18400c09ff75c9aee6

SHA1
22402aee8967bb97e65cdc7a2b1fd051d4599bba

SHA256
d0086a02cd46959e9e0e7309a97a5ab08ff482262406bfd7e35fe6351f98c124

SHA512
1a865fadc93b6f95554ca6940712b181f057da66ac73e28c22fe1f1838cd12016f28ca5f05241a3f4778d34609e857913c3e1063f59ce3ba9ea7ac5d0a5909d4

Download Submit
\Users\Admin\04687118\vfqftjs.pif
MD5
8935e163bb79e8d4b40b73521a06a0d1

SHA1
dfd9f6cd5dabf0c2fae0186b5471f025f542c708

SHA256
3a2b62144b3b6bc612770de7777233c96ea35e50e9fd7b0b482862825d728fdb

SHA512
76620b23fe5f2bcc783bcbd7fb27a68a171751a96b459f757045f80e027d452724c73292a008acad58eb58b6eb99dddf82130a83e761e35b7e5c4d89b058d175

Download Submit
\Users\Admin\04687118\vfqftjs.pif
MD5
8935e163bb79e8d4b40b73521a06a0d1

SHA1
dfd9f6cd5dabf0c2fae0186b5471f025f542c708

SHA256
3a2b62144b3b6bc612770de7777233c96ea35e50e9fd7b0b482862825d728fdb

SHA512
76620b23fe5f2bcc783bcbd7fb27a68a171751a96b459f757045f80e027d452724c73292a008acad58eb58b6eb99dddf82130a83e761e35b7e5c4d89b058d175

Download Submit
\Users\Admin\04687118\vfqftjs.pif
MD5
8935e163bb79e8d4b40b73521a06a0d1

SHA1
dfd9f6cd5dabf0c2fae0186b5471f025f542c708

SHA256
3a2b62144b3b6bc612770de7777233c96ea35e50e9fd7b0b482862825d728fdb

SHA512
76620b23fe5f2bcc783bcbd7fb27a68a171751a96b459f757045f80e027d452724c73292a008acad58eb58b6eb99dddf82130a83e761e35b7e5c4d89b058d175

Download Submit
\Users\Admin\04687118\vfqftjs.pif
MD5
8935e163bb79e8d4b40b73521a06a0d1

SHA1
dfd9f6cd5dabf0c2fae0186b5471f025f542c708

SHA256
3a2b62144b3b6bc612770de7777233c96ea35e50e9fd7b0b482862825d728fdb

SHA512
76620b23fe5f2bcc783bcbd7fb27a68a171751a96b459f757045f80e027d452724c73292a008acad58eb58b6eb99dddf82130a83e761e35b7e5c4d89b058d175

Download Submit
\Users\Admin\AppData\Local\Temp\RegSvcs.exe
MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
\Users\Public\vbc.exe
MD5
201e9ae321377c18400c09ff75c9aee6

SHA1
22402aee8967bb97e65cdc7a2b1fd051d4599bba

SHA256
d0086a02cd46959e9e0e7309a97a5ab08ff482262406bfd7e35fe6351f98c124

SHA512
1a865fadc93b6f95554ca6940712b181f057da66ac73e28c22fe1f1838cd12016f28ca5f05241a3f4778d34609e857913c3e1063f59ce3ba9ea7ac5d0a5909d4

Download Submit
\Users\Public\vbc.exe
MD5
201e9ae321377c18400c09ff75c9aee6

SHA1
22402aee8967bb97e65cdc7a2b1fd051d4599bba

SHA256
d0086a02cd46959e9e0e7309a97a5ab08ff482262406bfd7e35fe6351f98c124

SHA512
1a865fadc93b6f95554ca6940712b181f057da66ac73e28c22fe1f1838cd12016f28ca5f05241a3f4778d34609e857913c3e1063f59ce3ba9ea7ac5d0a5909d4

Download Submit
\Users\Public\vbc.exe
MD5
201e9ae321377c18400c09ff75c9aee6

SHA1
22402aee8967bb97e65cdc7a2b1fd051d4599bba

SHA256
d0086a02cd46959e9e0e7309a97a5ab08ff482262406bfd7e35fe6351f98c124

SHA512
1a865fadc93b6f95554ca6940712b181f057da66ac73e28c22fe1f1838cd12016f28ca5f05241a3f4778d34609e857913c3e1063f59ce3ba9ea7ac5d0a5909d4

Download Submit
memory/660-58-0x0000000074F61000-0x0000000074F63000-memory.dmp

Filesize
8KB

Download
memory/1464-77-0x00000000002E0000-0x00000000008A6000-memory.dmp

Filesize
5.8MB

Download
memory/1464-88-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/1464-98-0x0000000002720000-0x000000000272F000-memory.dmp

Filesize
60KB

Download
memory/1464-97-0x0000000004D40000-0x0000000004D69000-memory.dmp

Filesize
164KB

Download
memory/1464-78-0x00000000002E0000-0x00000000008A6000-memory.dmp

Filesize
5.8MB

Download
memory/1464-96-0x0000000002610000-0x0000000002613000-memory.dmp

Filesize
12KB

Download
memory/1464-95-0x00000000025E0000-0x00000000025F9000-memory.dmp

Filesize
100KB

Download
memory/1464-79-0x00000000002FE792-mapping.dmp

Download
memory/1464-82-0x00000000002E0000-0x00000000008A6000-memory.dmp

Filesize
5.8MB

Download
memory/1464-84-0x0000000005320000-0x0000000005321000-memory.dmp

Filesize
4KB

Download
memory/1464-85-0x0000000000C10000-0x0000000000C15000-memory.dmp

Filesize
20KB

Download
memory/1464-86-0x0000000000CC0000-0x0000000000CCD000-memory.dmp

Filesize
52KB

Download
memory/1464-87-0x00000000024C0000-0x00000000024D5000-memory.dmp

Filesize
84KB

Download
memory/1464-94-0x00000000025C0000-0x00000000025CA000-memory.dmp

Filesize
40KB

Download
memory/1464-89-0x00000000024E0000-0x00000000024E7000-memory.dmp

Filesize
28KB

Download
memory/1464-90-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1464-91-0x0000000002500000-0x000000000250D000-memory.dmp

Filesize
52KB

Download
memory/1464-92-0x0000000002510000-0x0000000002519000-memory.dmp

Filesize
36KB

Download
memory/1464-93-0x00000000025B0000-0x00000000025BF000-memory.dmp

Filesize
60KB

Download
memory/1756-56-0x00000000710D1000-0x00000000710D3000-memory.dmp

Filesize
8KB

Download
memory/1756-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1756-55-0x000000002F2B1000-0x000000002F2B4000-memory.dmp

Filesize
12KB

Download
memory/1756-99-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1760-62-0x0000000000000000-mapping.dmp

Download
memory/1832-70-0x0000000000000000-mapping.dmp

Download