xloader | 11de51fb9d41c57a868af00459427ccead79297124441502b1e03e6f6d43e932

General

Target

FACTURA.xlsx
Size

80KB
MD5

54471ddd206fafeba1c73948f48ef258
SHA1

2f59811f4afcef21b532358025d5a355387530d4
SHA256

16ea528e9912bfca30351fb41ecd54eceab33f52d011c9b68f34d122c71980ec
SHA512

c7420e2b986cc61dba7b2e94394616f258a099b297dd3148f216e20d580801415b29bace9af178561a80d9c4bb38e5c421fce471c5ee54adc91b6c868775166b

Score

10^/10

xloader nn40 loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.8

Campaign

nn40

Decoy

LYAg0yANOGEAGeaFOrA/

MQWuERZplP+VZy/uszI=

CF0oDN0JimIaGy/uszI=

ltJnyC+ReohYaiTvj1qbEA==

B9OkgdctVKBAFjSUaw==

sbDVwSZVVqVB11/deow8GA==

v1gHDe0pzno=

i+/0n2vHUfGPR98k77tukZ90MQ==

SUtCnbS96Qm21g==

8X9qzyt1dpAo31jXrXfKb49fBPY=

5KlPxqHzSstuFjSUaw==

0r/Kesv/zuanroxvNQW0Gm8=

FFgS7kfPYAqpdhhgRgnBJHY=

LgusAHrkrIoWr0FWIe2o/04UXPw=

vBq9Gvxa9wbKbS/uszI=

Z+q6HAZNNeqwwQ==

wbS4fMb06SjU5Kbseow8GA==

1mZEuZvJ/m0L9bof56PkkZ90MQ==

JCJIM74lHk/o+tiFOrA/

d14FrM8rGEgIzVkT67+3XaEh

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
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata

Xloader Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1544-77-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1544-78-0x000000000041F640-mapping.dmp	xloader
behavioral1/memory/1544-85-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/1144-88-0x0000000000080000-0x00000000000AC000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

3 1148 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1168 vbc.exe
1544 vbc.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

vbc.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation vbc.exe
Loads dropped DLL 5 IoCs

Processes:

EQNEDT32.EXE

pid process

1148 EQNEDT32.EXE
1148 EQNEDT32.EXE
1148 EQNEDT32.EXE
1148 EQNEDT32.EXE
1148 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
3	1148	EQNEDT32.EXE

pid	process
1168	vbc.exe
1544	vbc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\International\Geo\Nation	vbc.exe

pid	process
1148	EQNEDT32.EXE
1148	EQNEDT32.EXE
1148	EQNEDT32.EXE
1148	EQNEDT32.EXE
1148	EQNEDT32.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exeipconfig.exe

description	pid	process	target process
PID 1168 set thread context of 1544	1168	vbc.exe	vbc.exe
PID 1544 set thread context of 1424	1544	vbc.exe	Explorer.EXE
PID 1144 set thread context of 1424	1144	ipconfig.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
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

1144 ipconfig.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

1148 EQNEDT32.EXE

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

pid	process
1144	ipconfig.exe

pid	process
1148	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
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\COMMAND	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\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	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt	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	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	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	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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-1-5-21-1819626980-2277161760-1023733287-1000\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	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	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 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	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	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\command	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\htmlfile	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher	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\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\ShellEx	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\ = "&Open"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\ = "&Edit"	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\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon\ = "\"%1\""	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit	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\htmlfile\shell\Edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word	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\.mht\OpenWithList\Microsoft Word\shell\edit\ = "&Open"	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\.mht\OpenWithList\MSPub.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}	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\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	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\Print\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\ = "&Print"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system"	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "\"%1\""	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32\ThreadingModel = "Apartment"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "Excel"	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\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\ShellEx	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\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\WinWord.exe\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon	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
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\MSPub.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

988 EXCEL.EXE

pid	process
988	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

vbc.exeipconfig.exe

pid	process
1544	vbc.exe
1544	vbc.exe
1144	ipconfig.exe
1144	ipconfig.exe
1144	ipconfig.exe
1144	ipconfig.exe
1144	ipconfig.exe
1144	ipconfig.exe
1144	ipconfig.exe
1144	ipconfig.exe
1144	ipconfig.exe
1144	ipconfig.exe
1144	ipconfig.exe
1144	ipconfig.exe
1144	ipconfig.exe
1144	ipconfig.exe
1144	ipconfig.exe
1144	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exeipconfig.exe

pid process

1544 vbc.exe
1544 vbc.exe
1544 vbc.exe
1144 ipconfig.exe
1144 ipconfig.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vbc.exeipconfig.exeExplorer.EXE

description pid process

Token: SeDebugPrivilege 1544 vbc.exe
Token: SeDebugPrivilege 1144 ipconfig.exe
Token: SeShutdownPrivilege 1424 Explorer.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

988 EXCEL.EXE
988 EXCEL.EXE
988 EXCEL.EXE

description	pid	process
Token: SeDebugPrivilege	1544	vbc.exe
Token: SeDebugPrivilege	1144	ipconfig.exe
Token: SeShutdownPrivilege	1424	Explorer.EXE

pid	process
988	EXCEL.EXE
988	EXCEL.EXE
988	EXCEL.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXE

description	pid	process	target process
PID 1148 wrote to memory of 1168	1148	EQNEDT32.EXE	vbc.exe
PID 1148 wrote to memory of 1168	1148	EQNEDT32.EXE	vbc.exe
PID 1148 wrote to memory of 1168	1148	EQNEDT32.EXE	vbc.exe
PID 1148 wrote to memory of 1168	1148	EQNEDT32.EXE	vbc.exe
PID 1168 wrote to memory of 1544	1168	vbc.exe	vbc.exe
PID 1168 wrote to memory of 1544	1168	vbc.exe	vbc.exe
PID 1168 wrote to memory of 1544	1168	vbc.exe	vbc.exe
PID 1168 wrote to memory of 1544	1168	vbc.exe	vbc.exe
PID 1168 wrote to memory of 1544	1168	vbc.exe	vbc.exe
PID 1168 wrote to memory of 1544	1168	vbc.exe	vbc.exe
PID 1168 wrote to memory of 1544	1168	vbc.exe	vbc.exe
PID 1424 wrote to memory of 1144	1424	Explorer.EXE	ipconfig.exe
PID 1424 wrote to memory of 1144	1424	Explorer.EXE	ipconfig.exe
PID 1424 wrote to memory of 1144	1424	Explorer.EXE	ipconfig.exe
PID 1424 wrote to memory of 1144	1424	Explorer.EXE	ipconfig.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1424

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\FACTURA.xlsx
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:988

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1144

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:1148

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1168

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
3⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1544

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Command-Line Interface

1

T1059

Exploitation for Client Execution

1

T1203

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Public\vbc.exe
Filesize
517KB

MD5
a09f93f7606aa64851c9a8f82317b72f

SHA1
c33ea2eb219a088610847905251e5e2c3d2c87a2

SHA256
c9777cb78779de98104f1a01584f9df07e39b7ace7d5e6686d225e7261bd9447

SHA512
c5923ec47cc02a048fbbe8876c6f982d56dd6ea8936848db5a51ec6ad8ce16df9271a00c187a9ea653beaa490ba769c1339a5c3384180ba4d3961c471b7dfd59

Download Submit
C:\Users\Public\vbc.exe
Filesize
517KB

MD5
a09f93f7606aa64851c9a8f82317b72f

SHA1
c33ea2eb219a088610847905251e5e2c3d2c87a2

SHA256
c9777cb78779de98104f1a01584f9df07e39b7ace7d5e6686d225e7261bd9447

SHA512
c5923ec47cc02a048fbbe8876c6f982d56dd6ea8936848db5a51ec6ad8ce16df9271a00c187a9ea653beaa490ba769c1339a5c3384180ba4d3961c471b7dfd59

Download Submit
C:\Users\Public\vbc.exe
Filesize
517KB

MD5
a09f93f7606aa64851c9a8f82317b72f

SHA1
c33ea2eb219a088610847905251e5e2c3d2c87a2

SHA256
c9777cb78779de98104f1a01584f9df07e39b7ace7d5e6686d225e7261bd9447

SHA512
c5923ec47cc02a048fbbe8876c6f982d56dd6ea8936848db5a51ec6ad8ce16df9271a00c187a9ea653beaa490ba769c1339a5c3384180ba4d3961c471b7dfd59

Download Submit
\Users\Public\vbc.exe
Filesize
517KB

MD5
a09f93f7606aa64851c9a8f82317b72f

SHA1
c33ea2eb219a088610847905251e5e2c3d2c87a2

SHA256
c9777cb78779de98104f1a01584f9df07e39b7ace7d5e6686d225e7261bd9447

SHA512
c5923ec47cc02a048fbbe8876c6f982d56dd6ea8936848db5a51ec6ad8ce16df9271a00c187a9ea653beaa490ba769c1339a5c3384180ba4d3961c471b7dfd59

Download Submit
\Users\Public\vbc.exe
Filesize
517KB

MD5
a09f93f7606aa64851c9a8f82317b72f

SHA1
c33ea2eb219a088610847905251e5e2c3d2c87a2

SHA256
c9777cb78779de98104f1a01584f9df07e39b7ace7d5e6686d225e7261bd9447

SHA512
c5923ec47cc02a048fbbe8876c6f982d56dd6ea8936848db5a51ec6ad8ce16df9271a00c187a9ea653beaa490ba769c1339a5c3384180ba4d3961c471b7dfd59

Download Submit
\Users\Public\vbc.exe
Filesize
517KB

MD5
a09f93f7606aa64851c9a8f82317b72f

SHA1
c33ea2eb219a088610847905251e5e2c3d2c87a2

SHA256
c9777cb78779de98104f1a01584f9df07e39b7ace7d5e6686d225e7261bd9447

SHA512
c5923ec47cc02a048fbbe8876c6f982d56dd6ea8936848db5a51ec6ad8ce16df9271a00c187a9ea653beaa490ba769c1339a5c3384180ba4d3961c471b7dfd59

Download Submit
\Users\Public\vbc.exe
Filesize
517KB

MD5
a09f93f7606aa64851c9a8f82317b72f

SHA1
c33ea2eb219a088610847905251e5e2c3d2c87a2

SHA256
c9777cb78779de98104f1a01584f9df07e39b7ace7d5e6686d225e7261bd9447

SHA512
c5923ec47cc02a048fbbe8876c6f982d56dd6ea8936848db5a51ec6ad8ce16df9271a00c187a9ea653beaa490ba769c1339a5c3384180ba4d3961c471b7dfd59

Download Submit
\Users\Public\vbc.exe
Filesize
517KB

MD5
a09f93f7606aa64851c9a8f82317b72f

SHA1
c33ea2eb219a088610847905251e5e2c3d2c87a2

SHA256
c9777cb78779de98104f1a01584f9df07e39b7ace7d5e6686d225e7261bd9447

SHA512
c5923ec47cc02a048fbbe8876c6f982d56dd6ea8936848db5a51ec6ad8ce16df9271a00c187a9ea653beaa490ba769c1339a5c3384180ba4d3961c471b7dfd59

Download Submit
memory/988-55-0x0000000070F51000-0x0000000070F53000-memory.dmp

Filesize
8KB

Download
memory/988-54-0x000000002FAD1000-0x000000002FAD4000-memory.dmp

Filesize
12KB

Download
memory/988-58-0x0000000075C71000-0x0000000075C73000-memory.dmp

Filesize
8KB

Download
memory/988-57-0x0000000071F3D000-0x0000000071F48000-memory.dmp

Filesize
44KB

Download
memory/988-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/988-93-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/988-94-0x0000000071F3D000-0x0000000071F48000-memory.dmp

Filesize
44KB

Download
memory/988-71-0x0000000071F3D000-0x0000000071F48000-memory.dmp

Filesize
44KB

Download
memory/1144-90-0x0000000001EA0000-0x0000000001F30000-memory.dmp

Filesize
576KB

Download
memory/1144-88-0x0000000000080000-0x00000000000AC000-memory.dmp

Filesize
176KB

Download
memory/1144-84-0x0000000000000000-mapping.dmp

Download
memory/1144-89-0x00000000020E0000-0x00000000023E3000-memory.dmp

Filesize
3.0MB

Download
memory/1144-87-0x0000000000870000-0x000000000087A000-memory.dmp

Filesize
40KB

Download
memory/1168-73-0x0000000000570000-0x00000000005A2000-memory.dmp

Filesize
200KB

Download
memory/1168-72-0x0000000004BD0000-0x0000000004C3A000-memory.dmp

Filesize
424KB

Download
memory/1168-70-0x0000000000220000-0x000000000022E000-memory.dmp

Filesize
56KB

Download
memory/1168-68-0x00000000013B0000-0x0000000001438000-memory.dmp

Filesize
544KB

Download
memory/1168-65-0x0000000000000000-mapping.dmp

Download
memory/1424-92-0x0000000008EC0000-0x0000000008FE6000-memory.dmp

Filesize
1.1MB

Download
memory/1424-91-0x0000000008EC0000-0x0000000008FE6000-memory.dmp

Filesize
1.1MB

Download
memory/1424-83-0x0000000007210000-0x0000000007356000-memory.dmp

Filesize
1.3MB

Download
memory/1544-74-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1544-85-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1544-82-0x0000000000130000-0x0000000000141000-memory.dmp

Filesize
68KB

Download
memory/1544-81-0x00000000008F0000-0x0000000000BF3000-memory.dmp

Filesize
3.0MB

Download
memory/1544-78-0x000000000041F640-mapping.dmp

Download
memory/1544-77-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1544-75-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads