xloader | f478d6aa621a6a35cb6c38307541f0ffbb151683a5f89dcaf497d5678bbb50e6

General

Target

IMS211323.xlsx
Size

446KB
MD5

295b9af11cde64a883299d1790239034
SHA1

5c51f35a68ed2c0333d25aec2d456660d4b3cf65
SHA256

f478d6aa621a6a35cb6c38307541f0ffbb151683a5f89dcaf497d5678bbb50e6
SHA512

b8017f40fb9a79c99e81cd25bf98a11c14b731788b5ac8771a07724fa95cc3a4f515c432105e8c759b83349e6c6fbad4b20a675543a00aa2c021e78c56493e23

Score

10^/10

xloader euzn loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

euzn

C2

http://www.heser.net/euzn/

Decoy

235296tyc.com

gold12guide.art

baibuaherb.com

weberwines.tax

chezvitoria.com

aidenb.tech

pitchdeckservice.com

surgeryforfdf.xyz

workunvaccinated.com

hrtaro.com

yourotcs.com

sonimultispecialityclinic.com

consultantadvisors.com

pentesting-consulting.com

dantechs.digital

longshifa.online

taweilai.net

imyusuke.com

cashndashfinancial.com

fasiglimt.quest

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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1112-79-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1112-80-0x000000000041D420-mapping.dmp	xloader
behavioral1/memory/1612-89-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 1736 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

vbc.exevbc.exevbc.exe

pid process

1672 vbc.exe
1068 vbc.exe
1112 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

1736 EQNEDT32.EXE
1736 EQNEDT32.EXE
1736 EQNEDT32.EXE
1736 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
4	1736	EQNEDT32.EXE

pid	process
1736	EQNEDT32.EXE
1736	EQNEDT32.EXE
1736	EQNEDT32.EXE
1736	EQNEDT32.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exewininit.exe

description	pid	process	target process
PID 1672 set thread context of 1112	1672	vbc.exe	vbc.exe
PID 1112 set thread context of 1364	1112	vbc.exe	Explorer.EXE
PID 1612 set thread context of 1364	1612	wininit.exe	Explorer.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

1736 EQNEDT32.EXE

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

pid	process
1736	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
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	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\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 MHTML Editor\shell\edit\command	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	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\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	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\shell	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 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
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	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
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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	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\edit	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 (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 MHTML Editor	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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

324 EXCEL.EXE

pid	process
324	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

vbc.exevbc.exewininit.exe

pid	process
1672	vbc.exe
1672	vbc.exe
1112	vbc.exe
1112	vbc.exe
1612	wininit.exe
1612	wininit.exe
1612	wininit.exe
1612	wininit.exe
1612	wininit.exe
1612	wininit.exe
1612	wininit.exe
1612	wininit.exe
1612	wininit.exe
1612	wininit.exe
1612	wininit.exe
1612	wininit.exe
1612	wininit.exe
1612	wininit.exe
1612	wininit.exe
1612	wininit.exe
1612	wininit.exe
1612	wininit.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1364 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exewininit.exe

pid process

1112 vbc.exe
1112 vbc.exe
1112 vbc.exe
1612 wininit.exe
1612 wininit.exe

pid	process
1364	Explorer.EXE

pid	process
1112	vbc.exe
1112	vbc.exe
1112	vbc.exe
1612	wininit.exe
1612	wininit.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

vbc.exevbc.exewininit.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1672	vbc.exe
Token: SeDebugPrivilege	1112	vbc.exe
Token: SeDebugPrivilege	1612	wininit.exe
Token: SeShutdownPrivilege	1364	Explorer.EXE
Token: SeShutdownPrivilege	1364	Explorer.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

324 EXCEL.EXE
324 EXCEL.EXE
324 EXCEL.EXE

pid	process
324	EXCEL.EXE
324	EXCEL.EXE
324	EXCEL.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXEwininit.exe

description	pid	process	target process
PID 1736 wrote to memory of 1672	1736	EQNEDT32.EXE	vbc.exe
PID 1736 wrote to memory of 1672	1736	EQNEDT32.EXE	vbc.exe
PID 1736 wrote to memory of 1672	1736	EQNEDT32.EXE	vbc.exe
PID 1736 wrote to memory of 1672	1736	EQNEDT32.EXE	vbc.exe
PID 1672 wrote to memory of 1068	1672	vbc.exe	vbc.exe
PID 1672 wrote to memory of 1068	1672	vbc.exe	vbc.exe
PID 1672 wrote to memory of 1068	1672	vbc.exe	vbc.exe
PID 1672 wrote to memory of 1068	1672	vbc.exe	vbc.exe
PID 1672 wrote to memory of 1112	1672	vbc.exe	vbc.exe
PID 1672 wrote to memory of 1112	1672	vbc.exe	vbc.exe
PID 1672 wrote to memory of 1112	1672	vbc.exe	vbc.exe
PID 1672 wrote to memory of 1112	1672	vbc.exe	vbc.exe
PID 1672 wrote to memory of 1112	1672	vbc.exe	vbc.exe
PID 1672 wrote to memory of 1112	1672	vbc.exe	vbc.exe
PID 1672 wrote to memory of 1112	1672	vbc.exe	vbc.exe
PID 1364 wrote to memory of 1612	1364	Explorer.EXE	wininit.exe
PID 1364 wrote to memory of 1612	1364	Explorer.EXE	wininit.exe
PID 1364 wrote to memory of 1612	1364	Explorer.EXE	wininit.exe
PID 1364 wrote to memory of 1612	1364	Explorer.EXE	wininit.exe
PID 1612 wrote to memory of 1596	1612	wininit.exe	cmd.exe
PID 1612 wrote to memory of 1596	1612	wininit.exe	cmd.exe
PID 1612 wrote to memory of 1596	1612	wininit.exe	cmd.exe
PID 1612 wrote to memory of 1596	1612	wininit.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1364

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\IMS211323.xlsx
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:324

C:\Windows\SysWOW64\wininit.exe
"C:\Windows\SysWOW64\wininit.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1596

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:1736

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1672

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
3⤵
- Executes dropped EXE
PID:1068

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1112

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Public\vbc.exe
MD5
e54e7ec5aa72f4d5bb128553728fb209

SHA1
75def864c40663258f582b8dd8cbad3905f74c56

SHA256
17ed64707506c917be6329e1cbe94548d761d218dc8e2d624eab99565acc055d

SHA512
f8c54bb005d5e1b443a03606580fc2c73a70bc6c97f76c1c42237c9cab119b7e25839031239bdf4653f101a2408860eeaade2c861c36ccfa53bc8c75ae36d473

Download Submit
C:\Users\Public\vbc.exe
MD5
e54e7ec5aa72f4d5bb128553728fb209

SHA1
75def864c40663258f582b8dd8cbad3905f74c56

SHA256
17ed64707506c917be6329e1cbe94548d761d218dc8e2d624eab99565acc055d

SHA512
f8c54bb005d5e1b443a03606580fc2c73a70bc6c97f76c1c42237c9cab119b7e25839031239bdf4653f101a2408860eeaade2c861c36ccfa53bc8c75ae36d473

Download Submit
C:\Users\Public\vbc.exe
MD5
e54e7ec5aa72f4d5bb128553728fb209

SHA1
75def864c40663258f582b8dd8cbad3905f74c56

SHA256
17ed64707506c917be6329e1cbe94548d761d218dc8e2d624eab99565acc055d

SHA512
f8c54bb005d5e1b443a03606580fc2c73a70bc6c97f76c1c42237c9cab119b7e25839031239bdf4653f101a2408860eeaade2c861c36ccfa53bc8c75ae36d473

Download Submit
C:\Users\Public\vbc.exe
MD5
e54e7ec5aa72f4d5bb128553728fb209

SHA1
75def864c40663258f582b8dd8cbad3905f74c56

SHA256
17ed64707506c917be6329e1cbe94548d761d218dc8e2d624eab99565acc055d

SHA512
f8c54bb005d5e1b443a03606580fc2c73a70bc6c97f76c1c42237c9cab119b7e25839031239bdf4653f101a2408860eeaade2c861c36ccfa53bc8c75ae36d473

Download Submit
\Users\Public\vbc.exe
MD5
e54e7ec5aa72f4d5bb128553728fb209

SHA1
75def864c40663258f582b8dd8cbad3905f74c56

SHA256
17ed64707506c917be6329e1cbe94548d761d218dc8e2d624eab99565acc055d

SHA512
f8c54bb005d5e1b443a03606580fc2c73a70bc6c97f76c1c42237c9cab119b7e25839031239bdf4653f101a2408860eeaade2c861c36ccfa53bc8c75ae36d473

Download Submit
\Users\Public\vbc.exe
MD5
e54e7ec5aa72f4d5bb128553728fb209

SHA1
75def864c40663258f582b8dd8cbad3905f74c56

SHA256
17ed64707506c917be6329e1cbe94548d761d218dc8e2d624eab99565acc055d

SHA512
f8c54bb005d5e1b443a03606580fc2c73a70bc6c97f76c1c42237c9cab119b7e25839031239bdf4653f101a2408860eeaade2c861c36ccfa53bc8c75ae36d473

Download Submit
\Users\Public\vbc.exe
MD5
e54e7ec5aa72f4d5bb128553728fb209

SHA1
75def864c40663258f582b8dd8cbad3905f74c56

SHA256
17ed64707506c917be6329e1cbe94548d761d218dc8e2d624eab99565acc055d

SHA512
f8c54bb005d5e1b443a03606580fc2c73a70bc6c97f76c1c42237c9cab119b7e25839031239bdf4653f101a2408860eeaade2c861c36ccfa53bc8c75ae36d473

Download Submit
\Users\Public\vbc.exe
MD5
e54e7ec5aa72f4d5bb128553728fb209

SHA1
75def864c40663258f582b8dd8cbad3905f74c56

SHA256
17ed64707506c917be6329e1cbe94548d761d218dc8e2d624eab99565acc055d

SHA512
f8c54bb005d5e1b443a03606580fc2c73a70bc6c97f76c1c42237c9cab119b7e25839031239bdf4653f101a2408860eeaade2c861c36ccfa53bc8c75ae36d473

Download Submit
memory/324-71-0x0000000005EF0000-0x0000000006B3A000-memory.dmp

Filesize
12.3MB

Download
memory/324-68-0x0000000005EF0000-0x0000000006B3A000-memory.dmp

Filesize
12.3MB

Download
memory/324-55-0x0000000071B41000-0x0000000071B43000-memory.dmp

Filesize
8KB

Download
memory/324-93-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/324-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/324-70-0x0000000005EF0000-0x0000000006B3A000-memory.dmp

Filesize
12.3MB

Download
memory/324-69-0x0000000005EF0000-0x0000000006B3A000-memory.dmp

Filesize
12.3MB

Download
memory/324-72-0x0000000005EF0000-0x0000000006B3A000-memory.dmp

Filesize
12.3MB

Download
memory/324-54-0x000000002F341000-0x000000002F344000-memory.dmp

Filesize
12KB

Download
memory/1112-84-0x00000000001C0000-0x00000000001D1000-memory.dmp

Filesize
68KB

Download
memory/1112-78-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1112-77-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1112-79-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1112-80-0x000000000041D420-mapping.dmp

Download
memory/1112-83-0x0000000000B10000-0x0000000000E13000-memory.dmp

Filesize
3.0MB

Download
memory/1364-94-0x000007FEF69A0000-0x000007FEF6AE3000-memory.dmp

Filesize
1.3MB

Download
memory/1364-85-0x00000000041C0000-0x000000000428B000-memory.dmp

Filesize
812KB

Download
memory/1364-92-0x0000000006FE0000-0x000000000716C000-memory.dmp

Filesize
1.5MB

Download
memory/1364-95-0x000007FF3CE00000-0x000007FF3CE0A000-memory.dmp

Filesize
40KB

Download
memory/1596-87-0x0000000000000000-mapping.dmp

Download
memory/1612-86-0x0000000000000000-mapping.dmp

Download
memory/1612-88-0x0000000000D00000-0x0000000000D1A000-memory.dmp

Filesize
104KB

Download
memory/1612-90-0x0000000002120000-0x0000000002423000-memory.dmp

Filesize
3.0MB

Download
memory/1612-89-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1612-91-0x0000000000980000-0x0000000000A10000-memory.dmp

Filesize
576KB

Download
memory/1672-75-0x0000000004E70000-0x0000000004EBB000-memory.dmp

Filesize
300KB

Download
memory/1672-74-0x000000007EF40000-0x000000007EF41000-memory.dmp

Filesize
4KB

Download
memory/1672-73-0x00000000005D0000-0x00000000005D7000-memory.dmp

Filesize
28KB

Download
memory/1672-67-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

Filesize
4KB

Download
memory/1672-65-0x0000000000160000-0x0000000000161000-memory.dmp

Filesize
4KB

Download
memory/1672-62-0x0000000000000000-mapping.dmp

Download
memory/1736-57-0x0000000076B61000-0x0000000076B63000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads