nanocore | ebd0500a865e8e42dd6314a770763abbc63c994475fa8fdccc13f7fb25519bed

Analysis

max time kernel
100s
max time network
152s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19-10-2022 07:44

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General

Target

invoice.xlsx
Size

1.4MB
MD5

414b70086a1402ba82afffffbd2e40c0
SHA1

58e981519a27911e50ae56d76e7c7adea4f8a451
SHA256

8a6e9c4a8495a91a9c476c1f161526efeb981bff5afac4c029919e3fe4453931
SHA512

05f4ec8aaeac06f6fc7f977824549d2241a6c2b97ba2051f1ed4b593272d7f30bebb75dca2678f95e1825e92f183ec87a242d5f1983964bda908417728d7ac99
SSDEEP

24576:kqBEYv1fIoylvi67psFlb3YXmE2/R81LCds+kPByAD1NFigDBWm88RAEuqAbSZ:3SxviUeFxYQR81LCi/vFPX/RuqrZ

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

chibuikelight.ddns.net:1122

Mutex

d2cbe170-91e2-41f9-913f-0880782b9838

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-07-30T23:43:32.343213436Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1122
default_group
love
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
d2cbe170-91e2-41f9-913f-0880782b9838
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
chibuikelight.ddns.net
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

4 1972 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

word.exeeafjwzqw.exe

pid process

988 word.exe
968 eafjwzqw.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXEword.exeeafjwzqw.exeeafjwzqw.exe

pid process

1972 EQNEDT32.EXE
988 word.exe
968 eafjwzqw.exe
1260 eafjwzqw.exe

flow	pid	process
4	1972	EQNEDT32.EXE

pid	process
988	word.exe
968	eafjwzqw.exe

pid	process
1972	EQNEDT32.EXE
988	word.exe
968	eafjwzqw.exe
1260	eafjwzqw.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

eafjwzqw.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\syqymlwo = "C:\\Users\\Admin\\AppData\\Roaming\\adbl\\oilas.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\eafjwzqw.exe\""	eafjwzqw.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

eafjwzqw.exe

description ioc process

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

Processes:

eafjwzqw.exe

description pid process target process

PID 968 set thread context of 1260 968 eafjwzqw.exe eafjwzqw.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

1972 EQNEDT32.EXE

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

description	pid	process	target process
PID 968 set thread context of 1260	968	eafjwzqw.exe	eafjwzqw.exe

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

pid	process
1972	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 deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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 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\shell	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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-1-5-21-2292972927-2705560509-2768824231-1000\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 MHTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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
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 (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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	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 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
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 MHTML Editor\shell	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1400 EXCEL.EXE

pid	process
1400	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

eafjwzqw.exe

pid	process
1260	eafjwzqw.exe
1260	eafjwzqw.exe
1260	eafjwzqw.exe
1260	eafjwzqw.exe
1260	eafjwzqw.exe
1260	eafjwzqw.exe
1260	eafjwzqw.exe
1260	eafjwzqw.exe
1260	eafjwzqw.exe
1260	eafjwzqw.exe
1260	eafjwzqw.exe
1260	eafjwzqw.exe
1260	eafjwzqw.exe
1260	eafjwzqw.exe
1260	eafjwzqw.exe
1260	eafjwzqw.exe
1260	eafjwzqw.exe
1260	eafjwzqw.exe
1260	eafjwzqw.exe
1260	eafjwzqw.exe
1260	eafjwzqw.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

eafjwzqw.exe

pid process

1260 eafjwzqw.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

eafjwzqw.exe

description pid process

Token: SeDebugPrivilege 1260 eafjwzqw.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1400 EXCEL.EXE
1400 EXCEL.EXE
1400 EXCEL.EXE

description	pid	process
Token: SeDebugPrivilege	1260	eafjwzqw.exe

pid	process
1400	EXCEL.EXE
1400	EXCEL.EXE
1400	EXCEL.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

EQNEDT32.EXEword.exeeafjwzqw.exe

description	pid	process	target process
PID 1972 wrote to memory of 988	1972	EQNEDT32.EXE	word.exe
PID 1972 wrote to memory of 988	1972	EQNEDT32.EXE	word.exe
PID 1972 wrote to memory of 988	1972	EQNEDT32.EXE	word.exe
PID 1972 wrote to memory of 988	1972	EQNEDT32.EXE	word.exe
PID 988 wrote to memory of 968	988	word.exe	eafjwzqw.exe
PID 988 wrote to memory of 968	988	word.exe	eafjwzqw.exe
PID 988 wrote to memory of 968	988	word.exe	eafjwzqw.exe
PID 988 wrote to memory of 968	988	word.exe	eafjwzqw.exe
PID 968 wrote to memory of 1260	968	eafjwzqw.exe	eafjwzqw.exe
PID 968 wrote to memory of 1260	968	eafjwzqw.exe	eafjwzqw.exe
PID 968 wrote to memory of 1260	968	eafjwzqw.exe	eafjwzqw.exe
PID 968 wrote to memory of 1260	968	eafjwzqw.exe	eafjwzqw.exe
PID 968 wrote to memory of 1260	968	eafjwzqw.exe	eafjwzqw.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\invoice.xlsx
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1400

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:1972

C:\Users\Admin\AppData\Roaming\word.exe
C:\Users\Admin\AppData\Roaming\word.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:988

C:\Users\Admin\AppData\Local\Temp\eafjwzqw.exe
"C:\Users\Admin\AppData\Local\Temp\eafjwzqw.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:968

C:\Users\Admin\AppData\Local\Temp\eafjwzqw.exe
"C:\Users\Admin\AppData\Local\Temp\eafjwzqw.exe"
4⤵
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1260

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

T1203

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\eafjwzqw.exe
Filesize
59KB

MD5
2ba6deeb78963ffea21cbf0d1d1dae2e

SHA1
ccd23c3f4cab4a51463a1936114f3a5990327d9f

SHA256
03e7ac600c3c90b8e65a7228477794f26c28a15b2118723f45dede4a8bd47c2c

SHA512
1d7fc004110b9b1b5805563f3e93f40db49451789c439645903e7cad1e63c91d4a04c06c62d835d3517fb106567f4deaa6f5856ea323790ca0e6f32b6f725814

Download Submit
C:\Users\Admin\AppData\Local\Temp\eafjwzqw.exe
Filesize
59KB

MD5
2ba6deeb78963ffea21cbf0d1d1dae2e

SHA1
ccd23c3f4cab4a51463a1936114f3a5990327d9f

SHA256
03e7ac600c3c90b8e65a7228477794f26c28a15b2118723f45dede4a8bd47c2c

SHA512
1d7fc004110b9b1b5805563f3e93f40db49451789c439645903e7cad1e63c91d4a04c06c62d835d3517fb106567f4deaa6f5856ea323790ca0e6f32b6f725814

Download Submit
C:\Users\Admin\AppData\Local\Temp\eafjwzqw.exe
Filesize
59KB

MD5
2ba6deeb78963ffea21cbf0d1d1dae2e

SHA1
ccd23c3f4cab4a51463a1936114f3a5990327d9f

SHA256
03e7ac600c3c90b8e65a7228477794f26c28a15b2118723f45dede4a8bd47c2c

SHA512
1d7fc004110b9b1b5805563f3e93f40db49451789c439645903e7cad1e63c91d4a04c06c62d835d3517fb106567f4deaa6f5856ea323790ca0e6f32b6f725814

Download Submit
C:\Users\Admin\AppData\Local\Temp\pgfbpmbqxf.n
Filesize
6KB

MD5
84ea7d66d8c0c12d6ea950062da62627

SHA1
97e7abd8b8180f1c9aac438baf1391448415258f

SHA256
6a8037d826df41ae1b6968f9eb44cd731f5bc913cf5608ecac6a7430b704466e

SHA512
a8b8cb20e2c7dd9a2b7785b90f71cb1a2d97132704502242817bc8f62579a1f3842bc8c37851c950ad5bba7386d313bd03578a07bdd053d0dacdf8c148abadc0

Download Submit
C:\Users\Admin\AppData\Local\Temp\pigrsyahd.csi
Filesize
280KB

MD5
195eb8ccef6718005acc0dd309787e9d

SHA1
3111e3c532d17e4489b32a26dcc62615219bf92b

SHA256
170d1980f6a469f9b381607e7d86a92c9864dc82723608f2d83c5e0f1fb4e8a2

SHA512
70e61403ea47267c64669f2f46716bad0c1e1024ac5a4bda09806723375dd413e7b0c8b5f3933685bc114b74cd62c32ed2af8a8c923434d5fdaa936dcdc64c9c

Download Submit
C:\Users\Admin\AppData\Roaming\word.exe
Filesize
634KB

MD5
eb0ed1d3d1ecdee4d44e4a19a672b549

SHA1
4b29e2c54e9a35ba92e63872e7bce4304789fe4a

SHA256
66277a2940790dc82ed209d3cc1af94ce22735f2eda359fc7fe8383f08c5ca05

SHA512
a17a1f4c45c260ce93c678b21144e2865ab4ebd2b4ccc8e6ddf9f606656ac1162845431d100df4779fbea83a8745fb79231113f6313c1b831625e077c8b998a6

Download Submit
C:\Users\Admin\AppData\Roaming\word.exe
Filesize
634KB

MD5
eb0ed1d3d1ecdee4d44e4a19a672b549

SHA1
4b29e2c54e9a35ba92e63872e7bce4304789fe4a

SHA256
66277a2940790dc82ed209d3cc1af94ce22735f2eda359fc7fe8383f08c5ca05

SHA512
a17a1f4c45c260ce93c678b21144e2865ab4ebd2b4ccc8e6ddf9f606656ac1162845431d100df4779fbea83a8745fb79231113f6313c1b831625e077c8b998a6

Download Submit
\Users\Admin\AppData\Local\Temp\eafjwzqw.exe
Filesize
59KB

MD5
2ba6deeb78963ffea21cbf0d1d1dae2e

SHA1
ccd23c3f4cab4a51463a1936114f3a5990327d9f

SHA256
03e7ac600c3c90b8e65a7228477794f26c28a15b2118723f45dede4a8bd47c2c

SHA512
1d7fc004110b9b1b5805563f3e93f40db49451789c439645903e7cad1e63c91d4a04c06c62d835d3517fb106567f4deaa6f5856ea323790ca0e6f32b6f725814

Download Submit
\Users\Admin\AppData\Local\Temp\eafjwzqw.exe
Filesize
59KB

MD5
2ba6deeb78963ffea21cbf0d1d1dae2e

SHA1
ccd23c3f4cab4a51463a1936114f3a5990327d9f

SHA256
03e7ac600c3c90b8e65a7228477794f26c28a15b2118723f45dede4a8bd47c2c

SHA512
1d7fc004110b9b1b5805563f3e93f40db49451789c439645903e7cad1e63c91d4a04c06c62d835d3517fb106567f4deaa6f5856ea323790ca0e6f32b6f725814

Download Submit
\Users\Admin\AppData\Roaming\word.exe
Filesize
634KB

MD5
eb0ed1d3d1ecdee4d44e4a19a672b549

SHA1
4b29e2c54e9a35ba92e63872e7bce4304789fe4a

SHA256
66277a2940790dc82ed209d3cc1af94ce22735f2eda359fc7fe8383f08c5ca05

SHA512
a17a1f4c45c260ce93c678b21144e2865ab4ebd2b4ccc8e6ddf9f606656ac1162845431d100df4779fbea83a8745fb79231113f6313c1b831625e077c8b998a6

Download Submit
memory/968-67-0x0000000000000000-mapping.dmp

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memory/988-62-0x0000000000000000-mapping.dmp

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memory/1260-86-0x00000000020B0000-0x00000000020BC000-memory.dmp

Filesize
48KB

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memory/1260-83-0x0000000001EC0000-0x0000000001ECE000-memory.dmp

Filesize
56KB

Download
memory/1260-92-0x0000000004330000-0x0000000004344000-memory.dmp

Filesize
80KB

Download
memory/1260-91-0x00000000044D0000-0x00000000044FE000-memory.dmp

Filesize
184KB

Download
memory/1260-90-0x0000000004310000-0x000000000431E000-memory.dmp

Filesize
56KB

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memory/1260-74-0x0000000000401896-mapping.dmp

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memory/1260-89-0x0000000002200000-0x0000000002214000-memory.dmp

Filesize
80KB

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memory/1260-77-0x00000000003B0000-0x00000000003E8000-memory.dmp

Filesize
224KB

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memory/1260-78-0x00000000004F0000-0x00000000004FA000-memory.dmp

Filesize
40KB

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memory/1260-79-0x0000000000840000-0x000000000085E000-memory.dmp

Filesize
120KB

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memory/1260-80-0x0000000000860000-0x000000000086A000-memory.dmp

Filesize
40KB

Download
memory/1260-81-0x0000000000880000-0x0000000000892000-memory.dmp

Filesize
72KB

Download
memory/1260-82-0x00000000008E0000-0x00000000008FA000-memory.dmp

Filesize
104KB

Download
memory/1260-88-0x00000000021F0000-0x0000000002200000-memory.dmp

Filesize
64KB

Download
memory/1260-84-0x0000000001ED0000-0x0000000001EE2000-memory.dmp

Filesize
72KB

Download
memory/1260-85-0x0000000002020000-0x000000000202E000-memory.dmp

Filesize
56KB

Download
memory/1260-87-0x00000000021E0000-0x00000000021F4000-memory.dmp

Filesize
80KB

Download
memory/1400-54-0x000000002FAE1000-0x000000002FAE4000-memory.dmp

Filesize
12KB

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memory/1400-58-0x0000000075571000-0x0000000075573000-memory.dmp

Filesize
8KB

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memory/1400-55-0x0000000070DB1000-0x0000000070DB3000-memory.dmp

Filesize
8KB

Download
memory/1400-60-0x0000000071D9D000-0x0000000071DA8000-memory.dmp

Filesize
44KB

Download
memory/1400-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

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memory/1400-57-0x0000000071D9D000-0x0000000071DA8000-memory.dmp

Filesize
44KB

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memory/1400-93-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

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memory/1400-94-0x0000000071D9D000-0x0000000071DA8000-memory.dmp

Filesize
44KB

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