xloader | e1bb1bcac492f414b5c80348b6194462bbf3c6fa03f8b8597842f13d6fd6489f

General

Target

Shipment DOC.xlsx
Size

201KB
MD5

0932ca4178bdbaa6f66f9229a87fda8d
SHA1

51edadb95a4b5891e9faa0b5a7dde66270626d15
SHA256

e1bb1bcac492f414b5c80348b6194462bbf3c6fa03f8b8597842f13d6fd6489f
SHA512

6033e0c19266551e94603a74e6ccc4b4c79e32c74b82d9e0924475592e4a903967dafe5384b9e02c4ea22ca6f894cf5c83e74733ebcd634c577691cc4e074438

Score

10^/10

xloader i3gs loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

i3gs

C2

http://www.casacampestreelrocio.com/i3gs/

Decoy

mobizoneoficial.com

gkdesignerjal.com

takut8.com

yh88ff.com

zauqeshayari.com

wil-wei.store

baipees.com

pawaddictsva.com

sexnft.xyz

guizuzbj.com

impfpflicht.net

australiaaddictioncenters.com

beatsingh.com

fominospratico.com

papeisonline.com

asesoriaventajoyas.com

climasfesan.com

foodfar.space

dailyhealthelp.com

blackmagiccomics.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
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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/812-73-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/812-74-0x000000000041D4C0-mapping.dmp	xloader
behavioral1/memory/976-84-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 872 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1560 vbc.exe
812 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

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

Scripting
T1064

flow	pid	process
4	872	EQNEDT32.EXE

pid	process
1560	vbc.exe
812	vbc.exe

pid	process
872	EQNEDT32.EXE
872	EQNEDT32.EXE
872	EQNEDT32.EXE
872	EQNEDT32.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.execmstp.exe

description	pid	process	target process
PID 1560 set thread context of 812	1560	vbc.exe	vbc.exe
PID 812 set thread context of 1208	812	vbc.exe	Explorer.EXE
PID 976 set thread context of 1208	976	cmstp.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

872 EQNEDT32.EXE

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

pid	process
872	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	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	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
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 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\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	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\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	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
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\shell\edit\command	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\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	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 MHTML Editor\shell\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	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	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar	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\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\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	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\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\InprocServer32	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\command	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\ = "[open(\"%1\")]"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon\ = "\"%1\""	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\MSPub.exe\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\ShellEx	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ = "&Open"	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\Excel.exe\shell\edit\ddeexec	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command	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\WinWord.exe\shell\edit\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	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\htmlfile\DefaultIcon	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\application\ = "Excel"	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\htmlfile	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\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\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\mhtmlfile	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.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\Microsoft Word\shell\edit\ = "&Open"	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\Excel.exe\shell\edit\command	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1568 EXCEL.EXE

pid	process
1568	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

vbc.execmstp.exe

pid	process
812	vbc.exe
812	vbc.exe
976	cmstp.exe
976	cmstp.exe
976	cmstp.exe
976	cmstp.exe
976	cmstp.exe
976	cmstp.exe
976	cmstp.exe
976	cmstp.exe
976	cmstp.exe
976	cmstp.exe
976	cmstp.exe
976	cmstp.exe
976	cmstp.exe
976	cmstp.exe
976	cmstp.exe
976	cmstp.exe
976	cmstp.exe
976	cmstp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.execmstp.exe

pid process

812 vbc.exe
812 vbc.exe
812 vbc.exe
976 cmstp.exe
976 cmstp.exe

pid	process
1208	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

vbc.execmstp.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	812	vbc.exe
Token: SeDebugPrivilege	976	cmstp.exe
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

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

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

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXEcmstp.exe

description	pid	process	target process
PID 872 wrote to memory of 1560	872	EQNEDT32.EXE	vbc.exe
PID 872 wrote to memory of 1560	872	EQNEDT32.EXE	vbc.exe
PID 872 wrote to memory of 1560	872	EQNEDT32.EXE	vbc.exe
PID 872 wrote to memory of 1560	872	EQNEDT32.EXE	vbc.exe
PID 1560 wrote to memory of 812	1560	vbc.exe	vbc.exe
PID 1560 wrote to memory of 812	1560	vbc.exe	vbc.exe
PID 1560 wrote to memory of 812	1560	vbc.exe	vbc.exe
PID 1560 wrote to memory of 812	1560	vbc.exe	vbc.exe
PID 1560 wrote to memory of 812	1560	vbc.exe	vbc.exe
PID 1560 wrote to memory of 812	1560	vbc.exe	vbc.exe
PID 1560 wrote to memory of 812	1560	vbc.exe	vbc.exe
PID 1208 wrote to memory of 976	1208	Explorer.EXE	cmstp.exe
PID 1208 wrote to memory of 976	1208	Explorer.EXE	cmstp.exe
PID 1208 wrote to memory of 976	1208	Explorer.EXE	cmstp.exe
PID 1208 wrote to memory of 976	1208	Explorer.EXE	cmstp.exe
PID 1208 wrote to memory of 976	1208	Explorer.EXE	cmstp.exe
PID 1208 wrote to memory of 976	1208	Explorer.EXE	cmstp.exe
PID 1208 wrote to memory of 976	1208	Explorer.EXE	cmstp.exe
PID 976 wrote to memory of 1344	976	cmstp.exe	cmd.exe
PID 976 wrote to memory of 1344	976	cmstp.exe	cmd.exe
PID 976 wrote to memory of 1344	976	cmstp.exe	cmd.exe
PID 976 wrote to memory of 1344	976	cmstp.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1208

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\Shipment DOC.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\cmstp.exe
"C:\Windows\SysWOW64\cmstp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:976

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1344

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:872

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1560

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:812

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

Replay Monitor

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Downloads

C:\Users\Public\vbc.exe
MD5
6b93bdafdf7fb9c33549ab348d70530c

SHA1
0b9ebfe1e884af0268d80295a90fbcc40525b4ef

SHA256
4f6b5b315abc56f667bd87004c6d9f60db94b0bf3a0acd7a5819bdb2a48eb487

SHA512
3751977535d877639d7d687f6bec0190c889c2df0daeda5a0a2667c6de495ab76d7f8e6a95c8bfb8ab73bdd122722152331fb22fdca84902bbc8312b5016dfc3

Download Submit
C:\Users\Public\vbc.exe
MD5
6b93bdafdf7fb9c33549ab348d70530c

SHA1
0b9ebfe1e884af0268d80295a90fbcc40525b4ef

SHA256
4f6b5b315abc56f667bd87004c6d9f60db94b0bf3a0acd7a5819bdb2a48eb487

SHA512
3751977535d877639d7d687f6bec0190c889c2df0daeda5a0a2667c6de495ab76d7f8e6a95c8bfb8ab73bdd122722152331fb22fdca84902bbc8312b5016dfc3

Download Submit
C:\Users\Public\vbc.exe
MD5
6b93bdafdf7fb9c33549ab348d70530c

SHA1
0b9ebfe1e884af0268d80295a90fbcc40525b4ef

SHA256
4f6b5b315abc56f667bd87004c6d9f60db94b0bf3a0acd7a5819bdb2a48eb487

SHA512
3751977535d877639d7d687f6bec0190c889c2df0daeda5a0a2667c6de495ab76d7f8e6a95c8bfb8ab73bdd122722152331fb22fdca84902bbc8312b5016dfc3

Download Submit
\Users\Public\vbc.exe
MD5
6b93bdafdf7fb9c33549ab348d70530c

SHA1
0b9ebfe1e884af0268d80295a90fbcc40525b4ef

SHA256
4f6b5b315abc56f667bd87004c6d9f60db94b0bf3a0acd7a5819bdb2a48eb487

SHA512
3751977535d877639d7d687f6bec0190c889c2df0daeda5a0a2667c6de495ab76d7f8e6a95c8bfb8ab73bdd122722152331fb22fdca84902bbc8312b5016dfc3

Download Submit
\Users\Public\vbc.exe
MD5
6b93bdafdf7fb9c33549ab348d70530c

SHA1
0b9ebfe1e884af0268d80295a90fbcc40525b4ef

SHA256
4f6b5b315abc56f667bd87004c6d9f60db94b0bf3a0acd7a5819bdb2a48eb487

SHA512
3751977535d877639d7d687f6bec0190c889c2df0daeda5a0a2667c6de495ab76d7f8e6a95c8bfb8ab73bdd122722152331fb22fdca84902bbc8312b5016dfc3

Download Submit
\Users\Public\vbc.exe
MD5
6b93bdafdf7fb9c33549ab348d70530c

SHA1
0b9ebfe1e884af0268d80295a90fbcc40525b4ef

SHA256
4f6b5b315abc56f667bd87004c6d9f60db94b0bf3a0acd7a5819bdb2a48eb487

SHA512
3751977535d877639d7d687f6bec0190c889c2df0daeda5a0a2667c6de495ab76d7f8e6a95c8bfb8ab73bdd122722152331fb22fdca84902bbc8312b5016dfc3

Download Submit
\Users\Public\vbc.exe
MD5
6b93bdafdf7fb9c33549ab348d70530c

SHA1
0b9ebfe1e884af0268d80295a90fbcc40525b4ef

SHA256
4f6b5b315abc56f667bd87004c6d9f60db94b0bf3a0acd7a5819bdb2a48eb487

SHA512
3751977535d877639d7d687f6bec0190c889c2df0daeda5a0a2667c6de495ab76d7f8e6a95c8bfb8ab73bdd122722152331fb22fdca84902bbc8312b5016dfc3

Download Submit
memory/812-78-0x0000000000140000-0x0000000000151000-memory.dmp

Filesize
68KB

Download
memory/812-71-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/812-76-0x0000000000AE0000-0x0000000000DE3000-memory.dmp

Filesize
3.0MB

Download
memory/812-74-0x000000000041D4C0-mapping.dmp

Download
memory/812-73-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/812-72-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/872-57-0x00000000757B1000-0x00000000757B3000-memory.dmp

Filesize
8KB

Download
memory/976-80-0x0000000000000000-mapping.dmp

Download
memory/976-86-0x00000000008C0000-0x0000000000950000-memory.dmp

Filesize
576KB

Download
memory/976-85-0x0000000000B90000-0x0000000000E93000-memory.dmp

Filesize
3.0MB

Download
memory/976-84-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/976-83-0x0000000000F20000-0x0000000000F38000-memory.dmp

Filesize
96KB

Download
memory/1208-79-0x0000000004EF0000-0x0000000004FB9000-memory.dmp

Filesize
804KB

Download
memory/1208-87-0x0000000006D70000-0x0000000006E50000-memory.dmp

Filesize
896KB

Download
memory/1344-82-0x0000000000000000-mapping.dmp

Download
memory/1560-62-0x0000000000000000-mapping.dmp

Download
memory/1560-70-0x0000000004CC0000-0x0000000004D0D000-memory.dmp

Filesize
308KB

Download
memory/1560-65-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1560-68-0x0000000000B30000-0x0000000000B31000-memory.dmp

Filesize
4KB

Download
memory/1560-69-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/1568-54-0x000000002F961000-0x000000002F964000-memory.dmp

Filesize
12KB

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

Filesize
64KB

Download
memory/1568-55-0x0000000071141000-0x0000000071143000-memory.dmp

Filesize
8KB

Download
memory/1568-88-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads