nanocore | 03ca287faf117afb0af294d531fa19a2043507162d9d86fdcee045a71caca611

General

Target

PO-14102021.xlsx
Size

685KB
MD5

cef3d2b6c4ee2a1f0ef9023bbaa92b89
SHA1

fad49a6a6d85bb2819b0666d0fb715a53de16c32
SHA256

03ca287faf117afb0af294d531fa19a2043507162d9d86fdcee045a71caca611
SHA512

8645cf469c855834e2d491bcaf65e3ae4cb27d9ca1cc0d68cbb87a7d33ee2b4bb7628fbfe51310d9b1531fb1f8954b26ca4a8b23435abc3e6351adee0ce25950

Score

10^/10

nanocore collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

blackbladeinc52.ddns.net:1664

Mutex

e83d8f00-55cc-4e01-be4c-c199ab232a39

Attributes

activate_away_mode
true
backup_connection_host
blackbladeinc52.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-22T05:50:40.563791536Z
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
1664
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
e83d8f00-55cc-4e01-be4c-c199ab232a39
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
blackbladeinc52.ddns.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

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral1/memory/1816-88-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1816-89-0x0000000000411654-mapping.dmp	MailPassView
behavioral1/memory/1816-91-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

Nirsoft 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1816-88-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1816-89-0x0000000000411654-mapping.dmp	Nirsoft
behavioral1/memory/1816-91-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

3 616 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

HJK.exe

pid process

1504 HJK.exe
Loads dropped DLL 1 IoCs

Processes:

EQNEDT32.EXE

pid process

616 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
3	616	EQNEDT32.EXE

pid	process
616	EQNEDT32.EXE

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.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"	RegSvcs.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

HJK.exeRegSvcs.exe

description	pid	process	target process
PID 1504 set thread context of 1952	1504	HJK.exe	RegSvcs.exe
PID 1952 set thread context of 1816	1952	RegSvcs.exe	vbc.exe
PID 1952 set thread context of 1720	1952	RegSvcs.exe	vbc.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\UDP Subsystem\udpss.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\UDP Subsystem\udpss.exe	RegSvcs.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 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

2044 schtasks.exe
988 schtasks.exe
744 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

616 EQNEDT32.EXE

pid	process
2044	schtasks.exe
988	schtasks.exe
744	schtasks.exe

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

pid	process
616	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
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\command	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\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	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	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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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\command	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt	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
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 (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
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
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 MHTML Editor\shell\edit\ = "&Edit"	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	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
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 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\ = "&Edit"	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 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

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1324 EXCEL.EXE

pid	process
1324	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

HJK.exeRegSvcs.exe

pid	process
1504	HJK.exe
1504	HJK.exe
1952	RegSvcs.exe
1952	RegSvcs.exe
1952	RegSvcs.exe
1952	RegSvcs.exe
1952	RegSvcs.exe
1952	RegSvcs.exe
1952	RegSvcs.exe
1952	RegSvcs.exe
1952	RegSvcs.exe
1952	RegSvcs.exe
1952	RegSvcs.exe
1952	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

1952 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

HJK.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1504 HJK.exe
Token: SeDebugPrivilege 1952 RegSvcs.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1324 EXCEL.EXE
1324 EXCEL.EXE
1324 EXCEL.EXE

pid	process
1952	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1504	HJK.exe
Token: SeDebugPrivilege	1952	RegSvcs.exe

pid	process
1324	EXCEL.EXE
1324	EXCEL.EXE
1324	EXCEL.EXE

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

EQNEDT32.EXEEXCEL.EXEHJK.exeRegSvcs.exe

description	pid	process	target process
PID 616 wrote to memory of 1504	616	EQNEDT32.EXE	HJK.exe
PID 616 wrote to memory of 1504	616	EQNEDT32.EXE	HJK.exe
PID 616 wrote to memory of 1504	616	EQNEDT32.EXE	HJK.exe
PID 616 wrote to memory of 1504	616	EQNEDT32.EXE	HJK.exe
PID 1324 wrote to memory of 1136	1324	EXCEL.EXE	splwow64.exe
PID 1324 wrote to memory of 1136	1324	EXCEL.EXE	splwow64.exe
PID 1324 wrote to memory of 1136	1324	EXCEL.EXE	splwow64.exe
PID 1324 wrote to memory of 1136	1324	EXCEL.EXE	splwow64.exe
PID 1504 wrote to memory of 988	1504	HJK.exe	schtasks.exe
PID 1504 wrote to memory of 988	1504	HJK.exe	schtasks.exe
PID 1504 wrote to memory of 988	1504	HJK.exe	schtasks.exe
PID 1504 wrote to memory of 988	1504	HJK.exe	schtasks.exe
PID 1504 wrote to memory of 1952	1504	HJK.exe	RegSvcs.exe
PID 1504 wrote to memory of 1952	1504	HJK.exe	RegSvcs.exe
PID 1504 wrote to memory of 1952	1504	HJK.exe	RegSvcs.exe
PID 1504 wrote to memory of 1952	1504	HJK.exe	RegSvcs.exe
PID 1504 wrote to memory of 1952	1504	HJK.exe	RegSvcs.exe
PID 1504 wrote to memory of 1952	1504	HJK.exe	RegSvcs.exe
PID 1504 wrote to memory of 1952	1504	HJK.exe	RegSvcs.exe
PID 1504 wrote to memory of 1952	1504	HJK.exe	RegSvcs.exe
PID 1504 wrote to memory of 1952	1504	HJK.exe	RegSvcs.exe
PID 1504 wrote to memory of 1952	1504	HJK.exe	RegSvcs.exe
PID 1504 wrote to memory of 1952	1504	HJK.exe	RegSvcs.exe
PID 1504 wrote to memory of 1952	1504	HJK.exe	RegSvcs.exe
PID 1952 wrote to memory of 744	1952	RegSvcs.exe	schtasks.exe
PID 1952 wrote to memory of 744	1952	RegSvcs.exe	schtasks.exe
PID 1952 wrote to memory of 744	1952	RegSvcs.exe	schtasks.exe
PID 1952 wrote to memory of 744	1952	RegSvcs.exe	schtasks.exe
PID 1952 wrote to memory of 2044	1952	RegSvcs.exe	schtasks.exe
PID 1952 wrote to memory of 2044	1952	RegSvcs.exe	schtasks.exe
PID 1952 wrote to memory of 2044	1952	RegSvcs.exe	schtasks.exe
PID 1952 wrote to memory of 2044	1952	RegSvcs.exe	schtasks.exe
PID 1952 wrote to memory of 1816	1952	RegSvcs.exe	vbc.exe
PID 1952 wrote to memory of 1816	1952	RegSvcs.exe	vbc.exe
PID 1952 wrote to memory of 1816	1952	RegSvcs.exe	vbc.exe
PID 1952 wrote to memory of 1816	1952	RegSvcs.exe	vbc.exe
PID 1952 wrote to memory of 1816	1952	RegSvcs.exe	vbc.exe
PID 1952 wrote to memory of 1816	1952	RegSvcs.exe	vbc.exe
PID 1952 wrote to memory of 1816	1952	RegSvcs.exe	vbc.exe
PID 1952 wrote to memory of 1816	1952	RegSvcs.exe	vbc.exe
PID 1952 wrote to memory of 1816	1952	RegSvcs.exe	vbc.exe
PID 1952 wrote to memory of 1816	1952	RegSvcs.exe	vbc.exe
PID 1952 wrote to memory of 1720	1952	RegSvcs.exe	vbc.exe
PID 1952 wrote to memory of 1720	1952	RegSvcs.exe	vbc.exe
PID 1952 wrote to memory of 1720	1952	RegSvcs.exe	vbc.exe
PID 1952 wrote to memory of 1720	1952	RegSvcs.exe	vbc.exe
PID 1952 wrote to memory of 1720	1952	RegSvcs.exe	vbc.exe
PID 1952 wrote to memory of 1720	1952	RegSvcs.exe	vbc.exe
PID 1952 wrote to memory of 1720	1952	RegSvcs.exe	vbc.exe
PID 1952 wrote to memory of 1720	1952	RegSvcs.exe	vbc.exe
PID 1952 wrote to memory of 1720	1952	RegSvcs.exe	vbc.exe
PID 1952 wrote to memory of 1720	1952	RegSvcs.exe	vbc.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-14102021.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:1324

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1136

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:616

C:\Users\Admin\AppData\Roaming\HJK.exe
C:\Users\Admin\AppData\Roaming\HJK.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1504

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lndykwGYl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7C32.tmp"
3⤵
- Creates scheduled task(s)
PID:988

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
3⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1952

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7E92.tmp"
4⤵
- Creates scheduled task(s)
PID:744

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7F6E.tmp"
4⤵
- Creates scheduled task(s)
PID:2044

\??\c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe
"c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\d5qniop1.j4k"
4⤵
- Accesses Microsoft Outlook accounts
PID:1816

\??\c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe
"c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\1cwm42o4.jtn"
4⤵
PID:1720

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Scheduled Task

1

T1053

Exploitation for Client Execution

1

T1203

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Scripting

1

T1064

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\1cwm42o4.jtn
MD5
919e671c3d5959a91ef2d4c377d2b2ff

SHA1
b1202b19512bbd390d3d5164792501c87bb42c41

SHA256
d2e079df7cf6388315368ba79bf099ad2ff5428af51bf5abf2d99a2d7c5eb651

SHA512
f3298256372beab8efe81b2e08d3b3869281f625de1ee13189c6b95eb2134d223df6f64cc9e490dd6b52a53aa936adc17bd5dfe4e50ee0fe420f3ebae276381c

Download Submit
C:\Users\Admin\AppData\Local\Temp\d5qniop1.j4k
MD5
69b2a2e17e78d24abee9f1de2f04811a

SHA1
d19c109704e83876ab3527457f9418a7d053aa33

SHA256
1b1491f21e64681f8fdc27b2265e2274fb7813eecb6ad8b446d2e431f6300edd

SHA512
eb7269979bc4187520636fe3d7b3089f2c7c02e81c4ce2a738ade680f72c61c67fe9577eeaa09d3ca93f34b60be8c434d2cfbfed6566e783f6611279f056150f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7E92.tmp
MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7F6E.tmp
MD5
c4aecdef99eba873119e79616df3f4b0

SHA1
b1b3af52655fb633eed909dfed05b64fbbfac37c

SHA256
24fd0d87bea36a024449a95f808aaa174e4ed9003cb8a427b67c02411b8a2e0b

SHA512
e3f44b07267fccf4f5abd4efe80f2b037ddadc4cb898bdfca9d21ac5d79fcac828950065c2060d3ce125ee971fc3096183afee5287ba9951fbbda7257d8ed8d4

Download Submit
C:\Users\Admin\AppData\Roaming\HJK.exe
MD5
b6a0277076977ae65018575be2ef5a2c

SHA1
d8ea796c21a81659de09d001fe09c5cdd495085a

SHA256
42588227a97f243f48fa391d8a116f6e81bb41d4b6eff25990ae1e727069f586

SHA512
71cd024f33d3d07c9239ff17d792c5fe2153706690ed4a948d967b9e2740f784bb7fe998fa127523529363ca77fbdcc23814f93a6c25c5af58f510e0131749f1

Download Submit
C:\Users\Admin\AppData\Roaming\HJK.exe
MD5
b6a0277076977ae65018575be2ef5a2c

SHA1
d8ea796c21a81659de09d001fe09c5cdd495085a

SHA256
42588227a97f243f48fa391d8a116f6e81bb41d4b6eff25990ae1e727069f586

SHA512
71cd024f33d3d07c9239ff17d792c5fe2153706690ed4a948d967b9e2740f784bb7fe998fa127523529363ca77fbdcc23814f93a6c25c5af58f510e0131749f1

Download Submit
\Users\Admin\AppData\Roaming\HJK.exe
MD5
b6a0277076977ae65018575be2ef5a2c

SHA1
d8ea796c21a81659de09d001fe09c5cdd495085a

SHA256
42588227a97f243f48fa391d8a116f6e81bb41d4b6eff25990ae1e727069f586

SHA512
71cd024f33d3d07c9239ff17d792c5fe2153706690ed4a948d967b9e2740f784bb7fe998fa127523529363ca77fbdcc23814f93a6c25c5af58f510e0131749f1

Download Submit
memory/616-57-0x0000000075661000-0x0000000075663000-memory.dmp

Filesize
8KB

Download
memory/744-75-0x0000000000000000-mapping.dmp

Download
memory/988-67-0x0000000000000000-mapping.dmp

Download
memory/1136-63-0x0000000000000000-mapping.dmp

Download
memory/1136-64-0x000007FEFC051000-0x000007FEFC053000-memory.dmp

Filesize
8KB

Download
memory/1324-54-0x000000002F2F1000-0x000000002F2F4000-memory.dmp

Filesize
12KB

Download
memory/1324-82-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1324-55-0x00000000716A1000-0x00000000716A3000-memory.dmp

Filesize
8KB

Download
memory/1324-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1504-66-0x0000000002061000-0x0000000002062000-memory.dmp

Filesize
4KB

Download
memory/1504-59-0x0000000000000000-mapping.dmp

Download
memory/1504-65-0x0000000002060000-0x0000000002061000-memory.dmp

Filesize
4KB

Download
memory/1720-96-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1720-95-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1720-97-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1720-94-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1720-98-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1720-93-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1720-99-0x0000000000442628-mapping.dmp

Download
memory/1720-101-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1816-89-0x0000000000411654-mapping.dmp

Download
memory/1816-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1816-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1816-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1816-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1816-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1816-83-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1816-91-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1952-81-0x0000000000A26000-0x0000000000A37000-memory.dmp

Filesize
68KB

Download
memory/1952-80-0x0000000000A21000-0x0000000000A22000-memory.dmp

Filesize
4KB

Download
memory/1952-76-0x0000000000A20000-0x0000000000A21000-memory.dmp

Filesize
4KB

Download
memory/1952-73-0x000000000041E792-mapping.dmp

Download
memory/1952-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1952-71-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1952-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1952-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1952-68-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2044-78-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads