nanocore | 11a01b9c73c2ed2bc22dcd56b2925ecde913e7c2c37996da0584c124a0a00df2

General

Target

PROFORMA INVOICE4567.xlsx
Size

657KB
MD5

2aef1857cad31496174b607df0bfbfe9
SHA1

878676c90762705166888bcc41ab51f8f4e92868
SHA256

11a01b9c73c2ed2bc22dcd56b2925ecde913e7c2c37996da0584c124a0a00df2
SHA512

d0f5fac446050d1b022c1a904717ab0b695e2ad83a5938545fe1e9a54b4eb2129ab788b7d40cad49f17d57c0f26c0b39da728c4d0550974612ded6876e4f74e2

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

watermalon1.sytes.net:7156

Mutex

34cd1eb8-e195-44b9-a620-f386babd4121

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-06-26T23:21:26.098478636Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
7156
default_group
Default
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
34cd1eb8-e195-44b9-a620-f386babd4121
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
watermalon1.sytes.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
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

2 864 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

DVB.exeDVB.exe

pid process

1152 DVB.exe
1904 DVB.exe
Loads dropped DLL 1 IoCs

Processes:

EQNEDT32.EXE

pid process

864 EQNEDT32.EXE

flow	pid	process
2	864	EQNEDT32.EXE

pid	process
1152	DVB.exe
1904	DVB.exe

pid	process
864	EQNEDT32.EXE

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

DVB.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Subsystem = "C:\\Program Files (x86)\\UDP Subsystem\\udpss.exe"	DVB.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

DVB.exe

description ioc process

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

Processes:

DVB.exe

description pid process target process

PID 1152 set thread context of 1904 1152 DVB.exe DVB.exe

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

description	pid	process	target process
PID 1152 set thread context of 1904	1152	DVB.exe	DVB.exe

Drops file in Program Files directory 2 IoCs

Processes:

DVB.exe

description	ioc	process
File created	C:\Program Files (x86)\UDP Subsystem\udpss.exe	DVB.exe
File opened for modification	C:\Program Files (x86)\UDP Subsystem\udpss.exe	DVB.exe

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

1724 schtasks.exe
860 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

864 EQNEDT32.EXE

pid	process
1724	schtasks.exe
860	schtasks.exe

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

pid	process
864	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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\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	EXCEL.EXE
Key deleted	\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\ = "&Edit"	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 MHTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	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 HTML Editor	EXCEL.EXE
Key deleted	\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 (int)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	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 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	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1540 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

DVB.exe

pid process

1904 DVB.exe
1904 DVB.exe
1904 DVB.exe
1904 DVB.exe
1904 DVB.exe
1904 DVB.exe
1904 DVB.exe
1904 DVB.exe
1904 DVB.exe
1904 DVB.exe
1904 DVB.exe
1904 DVB.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

DVB.exe

pid process

1904 DVB.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

DVB.exe

description pid process

Token: SeDebugPrivilege 1904 DVB.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1540 EXCEL.EXE
1540 EXCEL.EXE
1540 EXCEL.EXE

pid	process
1540	EXCEL.EXE

pid	process
1904	DVB.exe
1904	DVB.exe
1904	DVB.exe
1904	DVB.exe
1904	DVB.exe
1904	DVB.exe
1904	DVB.exe
1904	DVB.exe
1904	DVB.exe
1904	DVB.exe
1904	DVB.exe
1904	DVB.exe

pid	process
1904	DVB.exe

description	pid	process
Token: SeDebugPrivilege	1904	DVB.exe

pid	process
1540	EXCEL.EXE
1540	EXCEL.EXE
1540	EXCEL.EXE

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

EQNEDT32.EXEEXCEL.EXEDVB.exeDVB.exe

description	pid	process	target process
PID 864 wrote to memory of 1152	864	EQNEDT32.EXE	DVB.exe
PID 864 wrote to memory of 1152	864	EQNEDT32.EXE	DVB.exe
PID 864 wrote to memory of 1152	864	EQNEDT32.EXE	DVB.exe
PID 864 wrote to memory of 1152	864	EQNEDT32.EXE	DVB.exe
PID 1540 wrote to memory of 1072	1540	EXCEL.EXE	splwow64.exe
PID 1540 wrote to memory of 1072	1540	EXCEL.EXE	splwow64.exe
PID 1540 wrote to memory of 1072	1540	EXCEL.EXE	splwow64.exe
PID 1540 wrote to memory of 1072	1540	EXCEL.EXE	splwow64.exe
PID 1152 wrote to memory of 1904	1152	DVB.exe	DVB.exe
PID 1152 wrote to memory of 1904	1152	DVB.exe	DVB.exe
PID 1152 wrote to memory of 1904	1152	DVB.exe	DVB.exe
PID 1152 wrote to memory of 1904	1152	DVB.exe	DVB.exe
PID 1152 wrote to memory of 1904	1152	DVB.exe	DVB.exe
PID 1152 wrote to memory of 1904	1152	DVB.exe	DVB.exe
PID 1152 wrote to memory of 1904	1152	DVB.exe	DVB.exe
PID 1152 wrote to memory of 1904	1152	DVB.exe	DVB.exe
PID 1152 wrote to memory of 1904	1152	DVB.exe	DVB.exe
PID 1904 wrote to memory of 1724	1904	DVB.exe	schtasks.exe
PID 1904 wrote to memory of 1724	1904	DVB.exe	schtasks.exe
PID 1904 wrote to memory of 1724	1904	DVB.exe	schtasks.exe
PID 1904 wrote to memory of 1724	1904	DVB.exe	schtasks.exe
PID 1904 wrote to memory of 860	1904	DVB.exe	schtasks.exe
PID 1904 wrote to memory of 860	1904	DVB.exe	schtasks.exe
PID 1904 wrote to memory of 860	1904	DVB.exe	schtasks.exe
PID 1904 wrote to memory of 860	1904	DVB.exe	schtasks.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\PROFORMA INVOICE4567.xlsx"
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1540
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:1072

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:864
- C:\Users\Admin\AppData\Roaming\DVB.exe
  "C:\Users\Admin\AppData\Roaming\DVB.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1152
- - C:\Users\Admin\AppData\Roaming\DVB.exe
    "C:\Users\Admin\AppData\Roaming\DVB.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Checks whether UAC is enabled
    - Drops file in Program Files directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1904
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "UDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp734C.tmp"
      4⤵
      Creates scheduled task(s)
      PID:1724
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "UDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7428.tmp"
      4⤵
      Creates scheduled task(s)
      PID:860

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

Scheduled Task

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp734C.tmp

MD5
e3cb903d54f9c763d52870f9495012cd

SHA1
7eb1696999e40c6d91a952ccfb0e3251168bc157

SHA256
d840981f1ad64ebf8d9a6f82a273eb79f71b9cd7d1b804c8c0b9542b08a23467

SHA512
8ec3fd444761ede04c10735a8e16683848152a36673b196c60b42a39f0f90b1c43441978c2dc4ada82f37bc77579a22233986906d7e7e0eca0967c7950907ae2

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7428.tmp

MD5
c4aecdef99eba873119e79616df3f4b0

SHA1
b1b3af52655fb633eed909dfed05b64fbbfac37c

SHA256
24fd0d87bea36a024449a95f808aaa174e4ed9003cb8a427b67c02411b8a2e0b

SHA512
e3f44b07267fccf4f5abd4efe80f2b037ddadc4cb898bdfca9d21ac5d79fcac828950065c2060d3ce125ee971fc3096183afee5287ba9951fbbda7257d8ed8d4

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

MD5
b137a951f1fe4b76240a6cebbeddd510

SHA1
1be225a48370be26f77c48c65bb0d3d32fc3eb03

SHA256
1de3bc48e9ad43454bc400a8046533d10e200acabe0b76e7de7520ee2316a621

SHA512
337d9e92bbc99e3b220d2e94219de11b2b7e8b7d6251a23325f4f31dc5994b179cff8f6b4efe4a15d01b4706a2026628465bcd072fa132b7dd312ca45d6692f9

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

MD5
b137a951f1fe4b76240a6cebbeddd510

SHA1
1be225a48370be26f77c48c65bb0d3d32fc3eb03

SHA256
1de3bc48e9ad43454bc400a8046533d10e200acabe0b76e7de7520ee2316a621

SHA512
337d9e92bbc99e3b220d2e94219de11b2b7e8b7d6251a23325f4f31dc5994b179cff8f6b4efe4a15d01b4706a2026628465bcd072fa132b7dd312ca45d6692f9

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

MD5
b137a951f1fe4b76240a6cebbeddd510

SHA1
1be225a48370be26f77c48c65bb0d3d32fc3eb03

SHA256
1de3bc48e9ad43454bc400a8046533d10e200acabe0b76e7de7520ee2316a621

SHA512
337d9e92bbc99e3b220d2e94219de11b2b7e8b7d6251a23325f4f31dc5994b179cff8f6b4efe4a15d01b4706a2026628465bcd072fa132b7dd312ca45d6692f9

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

MD5
b137a951f1fe4b76240a6cebbeddd510

SHA1
1be225a48370be26f77c48c65bb0d3d32fc3eb03

SHA256
1de3bc48e9ad43454bc400a8046533d10e200acabe0b76e7de7520ee2316a621

SHA512
337d9e92bbc99e3b220d2e94219de11b2b7e8b7d6251a23325f4f31dc5994b179cff8f6b4efe4a15d01b4706a2026628465bcd072fa132b7dd312ca45d6692f9

Download Submit
memory/860-81-0x0000000000000000-mapping.dmp

Download
memory/864-57-0x0000000075A71000-0x0000000075A73000-memory.dmp

Filesize
8KB

Download
memory/1072-62-0x0000000000000000-mapping.dmp

Download
memory/1072-63-0x000007FEFC391000-0x000007FEFC393000-memory.dmp

Filesize
8KB

Download
memory/1152-64-0x0000000000DB0000-0x0000000000DB1000-memory.dmp

Filesize
4KB

Download
memory/1152-68-0x0000000004D90000-0x0000000004D91000-memory.dmp

Filesize
4KB

Download
memory/1152-69-0x0000000005420000-0x0000000005498000-memory.dmp

Filesize
480KB

Download
memory/1152-67-0x00000000005F0000-0x00000000005F5000-memory.dmp

Filesize
20KB

Download
memory/1152-59-0x0000000000000000-mapping.dmp

Download
memory/1540-54-0x000000002F481000-0x000000002F484000-memory.dmp

Filesize
12KB

Download
memory/1540-99-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1540-55-0x00000000719E1000-0x00000000719E3000-memory.dmp

Filesize
8KB

Download
memory/1540-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1724-79-0x0000000000000000-mapping.dmp

Download
memory/1904-84-0x00000000004F0000-0x00000000004F5000-memory.dmp

Filesize
20KB

Download
memory/1904-88-0x0000000000B20000-0x0000000000B35000-memory.dmp

Filesize
84KB

Download
memory/1904-75-0x000000000041E792-mapping.dmp

Download
memory/1904-74-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1904-73-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1904-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1904-83-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

Filesize
4KB

Download
memory/1904-71-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1904-85-0x0000000000520000-0x0000000000539000-memory.dmp

Filesize
100KB

Download
memory/1904-86-0x0000000000500000-0x0000000000503000-memory.dmp

Filesize
12KB

Download
memory/1904-87-0x0000000000A80000-0x0000000000A8D000-memory.dmp

Filesize
52KB

Download
memory/1904-77-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1904-89-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/1904-90-0x0000000000D90000-0x0000000000D9C000-memory.dmp

Filesize
48KB

Download
memory/1904-91-0x0000000000DA0000-0x0000000000DA7000-memory.dmp

Filesize
28KB

Download
memory/1904-92-0x0000000004240000-0x0000000004246000-memory.dmp

Filesize
24KB

Download
memory/1904-93-0x0000000004250000-0x000000000425D000-memory.dmp

Filesize
52KB

Download
memory/1904-94-0x0000000004260000-0x0000000004269000-memory.dmp

Filesize
36KB

Download
memory/1904-95-0x0000000004270000-0x000000000427F000-memory.dmp

Filesize
60KB

Download
memory/1904-96-0x0000000004280000-0x000000000428A000-memory.dmp

Filesize
40KB

Download
memory/1904-97-0x0000000004790000-0x00000000047B9000-memory.dmp

Filesize
164KB

Download
memory/1904-98-0x00000000047C0000-0x00000000047CF000-memory.dmp

Filesize
60KB

Download
memory/1904-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads