xloader | 069c92a79b1da93e65e632157a3024f9c308df954bd76c507ba1b52787b6c667

Analysis

max time kernel
154s
max time network
169s
platform
windows7_x64
resource
win7-en-20211208
submitted
10-02-2022 10:05

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General

Target

NIS10539.xlsx
Size

187KB
MD5

a7968f4591d286618a93ef7e3e2a6bdf
SHA1

488bf2bb3e8fafe44a23bc9f2c5397a564fd6e1a
SHA256

069c92a79b1da93e65e632157a3024f9c308df954bd76c507ba1b52787b6c667
SHA512

9de64f674202e7767274c863158496eeb90492b7e26a381332af7aeeb41ca207cf0c41a394ef9da924d9c355df9fcd491ed74a92a9ba8ecd0a75f5840b2c1116

Score

10^/10

xloader ahc8 loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

ahc8

Decoy

192451.com

wwwripostes.net

sirikhalsalaw.com

bitterbaybay.com

stella-scrubs.com

almanecermezcal.com

goodgood.online

translate-now.online

sincerefilm.com

quadrantforensics.com

johnfrenchart.com

plick-click.com

alnileen.com

tghi.xyz

172711.com

maymakita.com

punnyaseva.com

ukash-online.com

sho-yururi-blog.com

hebergement-solidaire.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1744-72-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1740-80-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 484 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

vbc.exerwdiyf.exerwdiyf.exe

pid process

1324 vbc.exe
1404 rwdiyf.exe
1744 rwdiyf.exe
Loads dropped DLL 5 IoCs

Processes:

EQNEDT32.EXEvbc.exerwdiyf.exe

pid process

484 EQNEDT32.EXE
484 EQNEDT32.EXE
484 EQNEDT32.EXE
1324 vbc.exe
1404 rwdiyf.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
4	484	EQNEDT32.EXE

pid	process
1324	vbc.exe
1404	rwdiyf.exe
1744	rwdiyf.exe

pid	process
484	EQNEDT32.EXE
484	EQNEDT32.EXE
484	EQNEDT32.EXE
1324	vbc.exe
1404	rwdiyf.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

rwdiyf.exerwdiyf.exeNETSTAT.EXE

description	pid	process	target process
PID 1404 set thread context of 1744	1404	rwdiyf.exe	rwdiyf.exe
PID 1744 set thread context of 1200	1744	rwdiyf.exe	Explorer.EXE
PID 1740 set thread context of 1200	1740	NETSTAT.EXE	Explorer.EXE

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

System Information Discovery
T1082

NSIS installer 10 IoCs

installer

Processes:

resource	yara_rule
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_2
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_2
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_2
C:\Users\Public\vbc.exe	nsis_installer_1
C:\Users\Public\vbc.exe	nsis_installer_2
C:\Users\Public\vbc.exe	nsis_installer_1
C:\Users\Public\vbc.exe	nsis_installer_2

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
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

1740 NETSTAT.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

484 EQNEDT32.EXE

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

pid	process
1740	NETSTAT.EXE

pid	process
484	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\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\edit	EXCEL.EXE
Key deleted	\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\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	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 HTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	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 created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	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 created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\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-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
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	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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	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	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1568 EXCEL.EXE

pid	process
1568	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

rwdiyf.exeNETSTAT.EXE

pid	process
1744	rwdiyf.exe
1744	rwdiyf.exe
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE
1740	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

rwdiyf.exeNETSTAT.EXE

pid process

1744 rwdiyf.exe
1744 rwdiyf.exe
1744 rwdiyf.exe
1740 NETSTAT.EXE
1740 NETSTAT.EXE

pid	process
1200	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 11 IoCs

Processes:

rwdiyf.exeExplorer.EXENETSTAT.EXE

description	pid	process
Token: SeDebugPrivilege	1744	rwdiyf.exe
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeDebugPrivilege	1740	NETSTAT.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE
Token: SeShutdownPrivilege	1200	Explorer.EXE

Suspicious use of FindShellTrayWindow 6 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1568 EXCEL.EXE
1568 EXCEL.EXE
1568 EXCEL.EXE

pid	process
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE

pid	process
1200	Explorer.EXE
1200	Explorer.EXE

pid	process
1568	EXCEL.EXE
1568	EXCEL.EXE
1568	EXCEL.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

EQNEDT32.EXEvbc.exerwdiyf.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 484 wrote to memory of 1324	484	EQNEDT32.EXE	vbc.exe
PID 484 wrote to memory of 1324	484	EQNEDT32.EXE	vbc.exe
PID 484 wrote to memory of 1324	484	EQNEDT32.EXE	vbc.exe
PID 484 wrote to memory of 1324	484	EQNEDT32.EXE	vbc.exe
PID 1324 wrote to memory of 1404	1324	vbc.exe	rwdiyf.exe
PID 1324 wrote to memory of 1404	1324	vbc.exe	rwdiyf.exe
PID 1324 wrote to memory of 1404	1324	vbc.exe	rwdiyf.exe
PID 1324 wrote to memory of 1404	1324	vbc.exe	rwdiyf.exe
PID 1404 wrote to memory of 1744	1404	rwdiyf.exe	rwdiyf.exe
PID 1404 wrote to memory of 1744	1404	rwdiyf.exe	rwdiyf.exe
PID 1404 wrote to memory of 1744	1404	rwdiyf.exe	rwdiyf.exe
PID 1404 wrote to memory of 1744	1404	rwdiyf.exe	rwdiyf.exe
PID 1404 wrote to memory of 1744	1404	rwdiyf.exe	rwdiyf.exe
PID 1404 wrote to memory of 1744	1404	rwdiyf.exe	rwdiyf.exe
PID 1404 wrote to memory of 1744	1404	rwdiyf.exe	rwdiyf.exe
PID 1200 wrote to memory of 1740	1200	Explorer.EXE	NETSTAT.EXE
PID 1200 wrote to memory of 1740	1200	Explorer.EXE	NETSTAT.EXE
PID 1200 wrote to memory of 1740	1200	Explorer.EXE	NETSTAT.EXE
PID 1200 wrote to memory of 1740	1200	Explorer.EXE	NETSTAT.EXE
PID 1740 wrote to memory of 1792	1740	NETSTAT.EXE	cmd.exe
PID 1740 wrote to memory of 1792	1740	NETSTAT.EXE	cmd.exe
PID 1740 wrote to memory of 1792	1740	NETSTAT.EXE	cmd.exe
PID 1740 wrote to memory of 1792	1740	NETSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1200

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\NIS10539.xlsx
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1568

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1740

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\rwdiyf.exe"
3⤵
PID:1792

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:484

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1324

C:\Users\Admin\AppData\Local\Temp\rwdiyf.exe
C:\Users\Admin\AppData\Local\Temp\rwdiyf.exe C:\Users\Admin\AppData\Local\Temp\nunhgnm
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1404

C:\Users\Admin\AppData\Local\Temp\rwdiyf.exe
C:\Users\Admin\AppData\Local\Temp\rwdiyf.exe C:\Users\Admin\AppData\Local\Temp\nunhgnm
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1744

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

T1059

Exploitation for Client Execution

T1203

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nunhgnm
MD5
cec6479860914540d21176850b1c4b21

SHA1
534b76d286f97b9477e7892bb05701172efc1c71

SHA256
7b1106f7bf77968581f2db4c06ba833ede929959074eee1ce8f10185e61a05e3

SHA512
6503f223f2e70476fd78e2ddf05e71b218900276873af6c41db9ef8f8807ce2f77c423723b794b8a72b0369575c221ecde1060aa9250c2ad49f3795a97f9014c

Download Submit
C:\Users\Admin\AppData\Local\Temp\ognhs6i1h2plg3ur68s
MD5
798e35236d03021934f922ea41b06c32

SHA1
ae4c1656c9d0c4ca6bcc914bd46458688b46ff58

SHA256
7c6022ef98927ad13596d6106074f2ef4cab883925e5df6d7ad1c578cc772ab0

SHA512
f992596c6a99e540420347d231c7fe2991e7d140677a5d5645209b892385320c69e6729f3b437c56f34f57414562bd80ae9bcf7b52d3c7c9ca44c4f4037fbb8b

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C:\Users\Admin\AppData\Local\Temp\rwdiyf.exe
MD5
f61da6d9be169e8012f1776867def6da

SHA1
82564a582a671cb220fb66aa75bbed1e7c6d7270

SHA256
38f59aa2c8b4d93f9570bcbcc728102ad4375799b1a15de9b2384c27cc4a44ce

SHA512
8906aff6e9cd36c5374c3a622f703272c11a3fdf33b4b5b1e07dd0a98244fe61e443f372f84d6456af957024b07e093675acf43a1275b9d15ffdc0afd23d83cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\rwdiyf.exe
MD5
f61da6d9be169e8012f1776867def6da

SHA1
82564a582a671cb220fb66aa75bbed1e7c6d7270

SHA256
38f59aa2c8b4d93f9570bcbcc728102ad4375799b1a15de9b2384c27cc4a44ce

SHA512
8906aff6e9cd36c5374c3a622f703272c11a3fdf33b4b5b1e07dd0a98244fe61e443f372f84d6456af957024b07e093675acf43a1275b9d15ffdc0afd23d83cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\rwdiyf.exe
MD5
f61da6d9be169e8012f1776867def6da

SHA1
82564a582a671cb220fb66aa75bbed1e7c6d7270

SHA256
38f59aa2c8b4d93f9570bcbcc728102ad4375799b1a15de9b2384c27cc4a44ce

SHA512
8906aff6e9cd36c5374c3a622f703272c11a3fdf33b4b5b1e07dd0a98244fe61e443f372f84d6456af957024b07e093675acf43a1275b9d15ffdc0afd23d83cc

Download Submit
C:\Users\Public\vbc.exe
MD5
fea1c9fccf1292d9fd2c048f0fa767e3

SHA1
790976dfd13d80cc8286fcd5ca60df6e6b3e0fdb

SHA256
1ba84876de166844e415c6287023982232051d97ee776b37cf4a7512666494dd

SHA512
3ef79d18ae784d5bce0348619063696578743c3f2942c5fe1540387e2d4261bcb1baa418d78c91e74912596d7f39db9c1045260bc78f1c8232decf91ee923929

Download Submit
C:\Users\Public\vbc.exe
MD5
fea1c9fccf1292d9fd2c048f0fa767e3

SHA1
790976dfd13d80cc8286fcd5ca60df6e6b3e0fdb

SHA256
1ba84876de166844e415c6287023982232051d97ee776b37cf4a7512666494dd

SHA512
3ef79d18ae784d5bce0348619063696578743c3f2942c5fe1540387e2d4261bcb1baa418d78c91e74912596d7f39db9c1045260bc78f1c8232decf91ee923929

Download Submit
\Users\Admin\AppData\Local\Temp\rwdiyf.exe
MD5
f61da6d9be169e8012f1776867def6da

SHA1
82564a582a671cb220fb66aa75bbed1e7c6d7270

SHA256
38f59aa2c8b4d93f9570bcbcc728102ad4375799b1a15de9b2384c27cc4a44ce

SHA512
8906aff6e9cd36c5374c3a622f703272c11a3fdf33b4b5b1e07dd0a98244fe61e443f372f84d6456af957024b07e093675acf43a1275b9d15ffdc0afd23d83cc

Download Submit
\Users\Admin\AppData\Local\Temp\rwdiyf.exe
MD5
f61da6d9be169e8012f1776867def6da

SHA1
82564a582a671cb220fb66aa75bbed1e7c6d7270

SHA256
38f59aa2c8b4d93f9570bcbcc728102ad4375799b1a15de9b2384c27cc4a44ce

SHA512
8906aff6e9cd36c5374c3a622f703272c11a3fdf33b4b5b1e07dd0a98244fe61e443f372f84d6456af957024b07e093675acf43a1275b9d15ffdc0afd23d83cc

Download Submit
\Users\Public\vbc.exe
MD5
fea1c9fccf1292d9fd2c048f0fa767e3

SHA1
790976dfd13d80cc8286fcd5ca60df6e6b3e0fdb

SHA256
1ba84876de166844e415c6287023982232051d97ee776b37cf4a7512666494dd

SHA512
3ef79d18ae784d5bce0348619063696578743c3f2942c5fe1540387e2d4261bcb1baa418d78c91e74912596d7f39db9c1045260bc78f1c8232decf91ee923929

Download Submit
\Users\Public\vbc.exe
MD5
fea1c9fccf1292d9fd2c048f0fa767e3

SHA1
790976dfd13d80cc8286fcd5ca60df6e6b3e0fdb

SHA256
1ba84876de166844e415c6287023982232051d97ee776b37cf4a7512666494dd

SHA512
3ef79d18ae784d5bce0348619063696578743c3f2942c5fe1540387e2d4261bcb1baa418d78c91e74912596d7f39db9c1045260bc78f1c8232decf91ee923929

Download Submit
\Users\Public\vbc.exe
MD5
fea1c9fccf1292d9fd2c048f0fa767e3

SHA1
790976dfd13d80cc8286fcd5ca60df6e6b3e0fdb

SHA256
1ba84876de166844e415c6287023982232051d97ee776b37cf4a7512666494dd

SHA512
3ef79d18ae784d5bce0348619063696578743c3f2942c5fe1540387e2d4261bcb1baa418d78c91e74912596d7f39db9c1045260bc78f1c8232decf91ee923929

Download Submit
memory/484-58-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download
memory/1200-83-0x0000000003F30000-0x0000000004021000-memory.dmp

Filesize
964KB

Download
memory/1200-78-0x0000000004B20000-0x0000000004BD5000-memory.dmp

Filesize
724KB

Download
memory/1568-57-0x000000007219D000-0x00000000721A8000-memory.dmp

Filesize
44KB

Download
memory/1568-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1568-54-0x000000002F311000-0x000000002F314000-memory.dmp

Filesize
12KB

Download
memory/1568-55-0x00000000711B1000-0x00000000711B3000-memory.dmp

Filesize
8KB

Download
memory/1568-84-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1740-81-0x0000000002000000-0x0000000002303000-memory.dmp

Filesize
3.0MB

Download
memory/1740-82-0x0000000001DC0000-0x0000000001E50000-memory.dmp

Filesize
576KB

Download
memory/1740-79-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

Download
memory/1740-80-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1744-72-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1744-77-0x00000000001D0000-0x00000000001E1000-memory.dmp

Filesize
68KB

Download
memory/1744-76-0x000000000041D000-0x000000000041E000-memory.dmp

Filesize
4KB

Download
memory/1744-74-0x0000000000880000-0x0000000000B83000-memory.dmp

Filesize
3.0MB

Download