formbook | 49c28f562c417590a96bb63b2ff2f3b763ec65347c103cee014044349be2dde5

General

Target

2205821.xlsx
Size

227KB
MD5

3baed0b944b707cfc4dbc55f04d7c060
SHA1

cd3b1eeadef3c0fc996286270912b2d39b117d33
SHA256

49c28f562c417590a96bb63b2ff2f3b763ec65347c103cee014044349be2dde5
SHA512

b25622eb3fde2da917ebe757ef42ece5516f29ebfed679db09d0af56484a3e05f6f35c1bbccc7e1f6290b4af14702ee861a1ca40a26a797fc7d0664d8a6aece2

Score

10^/10

formbook og2w rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

og2w

C2

http://www.celikkaya.xyz/og2w/

Decoy

drivenexpress.info

pdfproxy.com

zyz999.top

oceanserver1.com

948289.com

nubilewoman.com

ibizadiamonds.com

bosniantv-australia.com

juliehutzell.com

poshesocial.events

icsrwk.xyz

nap-con.com

womansslippers.com

invictusfarm.com

search-panel-avg-rock.rest

desencriptar.com

imperialexoticreptiles.com

agastify.com

strinvstr.com

julianapeloi.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1516-67-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1516-68-0x000000000041F130-mapping.dmp	formbook
behavioral1/memory/1516-74-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1732-80-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 692 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1700 vbc.exe
1516 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXEvbc.exe

pid process

692 EQNEDT32.EXE
692 EQNEDT32.EXE
692 EQNEDT32.EXE
1700 vbc.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
4	692	EQNEDT32.EXE

pid	process
1700	vbc.exe
1516	vbc.exe

pid	process
692	EQNEDT32.EXE
692	EQNEDT32.EXE
692	EQNEDT32.EXE
1700	vbc.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

vbc.exevbc.exewlanext.exe

description	pid	process	target process
PID 1700 set thread context of 1516	1700	vbc.exe	vbc.exe
PID 1516 set thread context of 1384	1516	vbc.exe	Explorer.EXE
PID 1516 set thread context of 1384	1516	vbc.exe	Explorer.EXE
PID 1732 set thread context of 1384	1732	wlanext.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 12 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
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
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

692 EQNEDT32.EXE

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

pid	process
692	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-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\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\shell	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 MHTML Editor	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\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	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-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	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 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\command	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\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	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\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\Microsoft Excel\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\command	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\htmlfile\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\ = "&Edit"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\ = "&Open"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command	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\.htm\OpenWithList\Microsoft Excel\shell\edit\ = "&Open"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel	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\.htm\OpenWithList\Microsoft Publisher\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\ = "[open(\"%1\")]"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic\ = "system"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print\ = "&Print"	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\Excel.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe	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\Edit	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
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 (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm	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\MSPub.exe\shell\edit\command	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon\ = "\"%1\""	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler\ = "{42042206-2D85-11D3-8CFF-005004838597}"	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
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	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\MSPub.exe\shell\edit\ = "&Open"	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\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\.mht\OpenWithList\Microsoft Publisher\shell\edit\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit\command	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1560 EXCEL.EXE

pid	process
1560	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 57 IoCs

Processes:

vbc.exewlanext.exe

pid	process
1516	vbc.exe
1516	vbc.exe
1516	vbc.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe
1732	wlanext.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

vbc.exewlanext.exe

pid process

1516 vbc.exe
1516 vbc.exe
1516 vbc.exe
1516 vbc.exe
1732 wlanext.exe
1732 wlanext.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

vbc.exeExplorer.EXEwlanext.exe

description	pid	process
Token: SeDebugPrivilege	1516	vbc.exe
Token: SeShutdownPrivilege	1384	Explorer.EXE
Token: SeDebugPrivilege	1732	wlanext.exe
Token: SeShutdownPrivilege	1384	Explorer.EXE
Token: SeShutdownPrivilege	1384	Explorer.EXE
Token: SeShutdownPrivilege	1384	Explorer.EXE
Token: SeShutdownPrivilege	1384	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1384 Explorer.EXE
1384 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1384 Explorer.EXE
1384 Explorer.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1560 EXCEL.EXE
1560 EXCEL.EXE
1560 EXCEL.EXE

pid	process
1384	Explorer.EXE
1384	Explorer.EXE

pid	process
1384	Explorer.EXE
1384	Explorer.EXE

pid	process
1560	EXCEL.EXE
1560	EXCEL.EXE
1560	EXCEL.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

EQNEDT32.EXEvbc.exevbc.exewlanext.exe

description	pid	process	target process
PID 692 wrote to memory of 1700	692	EQNEDT32.EXE	vbc.exe
PID 692 wrote to memory of 1700	692	EQNEDT32.EXE	vbc.exe
PID 692 wrote to memory of 1700	692	EQNEDT32.EXE	vbc.exe
PID 692 wrote to memory of 1700	692	EQNEDT32.EXE	vbc.exe
PID 1700 wrote to memory of 1516	1700	vbc.exe	vbc.exe
PID 1700 wrote to memory of 1516	1700	vbc.exe	vbc.exe
PID 1700 wrote to memory of 1516	1700	vbc.exe	vbc.exe
PID 1700 wrote to memory of 1516	1700	vbc.exe	vbc.exe
PID 1700 wrote to memory of 1516	1700	vbc.exe	vbc.exe
PID 1700 wrote to memory of 1516	1700	vbc.exe	vbc.exe
PID 1700 wrote to memory of 1516	1700	vbc.exe	vbc.exe
PID 1516 wrote to memory of 1732	1516	vbc.exe	wlanext.exe
PID 1516 wrote to memory of 1732	1516	vbc.exe	wlanext.exe
PID 1516 wrote to memory of 1732	1516	vbc.exe	wlanext.exe
PID 1516 wrote to memory of 1732	1516	vbc.exe	wlanext.exe
PID 1732 wrote to memory of 1040	1732	wlanext.exe	cmd.exe
PID 1732 wrote to memory of 1040	1732	wlanext.exe	cmd.exe
PID 1732 wrote to memory of 1040	1732	wlanext.exe	cmd.exe
PID 1732 wrote to memory of 1040	1732	wlanext.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1384

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\2205821.xlsx
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1560

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:692

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1700

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
- Suspicious use of WriteProcessMemory
PID:1516

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1732

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
5⤵
PID:1040

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

Scripting

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

Scripting

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Public\vbc.exe
MD5
f134f42917fd13a922c487aef2740f24

SHA1
a4fe1567f1ad4491bc1dd2129759f12ad56eb76d

SHA256
c66dca83ee4bc84e680347d01e9ade22672fc4da7a464409b56e25ef3609e366

SHA512
5beb6f6cf3e58dc64b0bd7eae6a1cac7a438ceb980f890c74fdc138f4b2cbf68e486a98d48bca35e447ffa4fe935ce4750aaf8bd5623144e59e5b2daef8884d0

Download Submit
C:\Users\Public\vbc.exe
MD5
f134f42917fd13a922c487aef2740f24

SHA1
a4fe1567f1ad4491bc1dd2129759f12ad56eb76d

SHA256
c66dca83ee4bc84e680347d01e9ade22672fc4da7a464409b56e25ef3609e366

SHA512
5beb6f6cf3e58dc64b0bd7eae6a1cac7a438ceb980f890c74fdc138f4b2cbf68e486a98d48bca35e447ffa4fe935ce4750aaf8bd5623144e59e5b2daef8884d0

Download Submit
C:\Users\Public\vbc.exe
MD5
f134f42917fd13a922c487aef2740f24

SHA1
a4fe1567f1ad4491bc1dd2129759f12ad56eb76d

SHA256
c66dca83ee4bc84e680347d01e9ade22672fc4da7a464409b56e25ef3609e366

SHA512
5beb6f6cf3e58dc64b0bd7eae6a1cac7a438ceb980f890c74fdc138f4b2cbf68e486a98d48bca35e447ffa4fe935ce4750aaf8bd5623144e59e5b2daef8884d0

Download Submit
\Users\Admin\AppData\Local\Temp\nsiDFC5.tmp\bvjccnxkzid.dll
MD5
46d2f8c3f58087d9642471c77e9cba2c

SHA1
fcc159b4a182d43962a564db9d995472dbc81a3b

SHA256
cb9d19a9761cb59787184f680c0f164923fffdde311a5e0cc4eb9c983f16792d

SHA512
4caf9a1363e04a0fee0c14ded9891012699d12b17cb5e6bc46681b18923b60b9cbf9e98bb3f88cc776bc9ea9697cb8df1dbf5aa59f934df7376a5e4d841a8957

Download Submit
\Users\Public\vbc.exe
MD5
f134f42917fd13a922c487aef2740f24

SHA1
a4fe1567f1ad4491bc1dd2129759f12ad56eb76d

SHA256
c66dca83ee4bc84e680347d01e9ade22672fc4da7a464409b56e25ef3609e366

SHA512
5beb6f6cf3e58dc64b0bd7eae6a1cac7a438ceb980f890c74fdc138f4b2cbf68e486a98d48bca35e447ffa4fe935ce4750aaf8bd5623144e59e5b2daef8884d0

Download Submit
\Users\Public\vbc.exe
MD5
f134f42917fd13a922c487aef2740f24

SHA1
a4fe1567f1ad4491bc1dd2129759f12ad56eb76d

SHA256
c66dca83ee4bc84e680347d01e9ade22672fc4da7a464409b56e25ef3609e366

SHA512
5beb6f6cf3e58dc64b0bd7eae6a1cac7a438ceb980f890c74fdc138f4b2cbf68e486a98d48bca35e447ffa4fe935ce4750aaf8bd5623144e59e5b2daef8884d0

Download Submit
\Users\Public\vbc.exe
MD5
f134f42917fd13a922c487aef2740f24

SHA1
a4fe1567f1ad4491bc1dd2129759f12ad56eb76d

SHA256
c66dca83ee4bc84e680347d01e9ade22672fc4da7a464409b56e25ef3609e366

SHA512
5beb6f6cf3e58dc64b0bd7eae6a1cac7a438ceb980f890c74fdc138f4b2cbf68e486a98d48bca35e447ffa4fe935ce4750aaf8bd5623144e59e5b2daef8884d0

Download Submit
memory/692-58-0x0000000075E51000-0x0000000075E53000-memory.dmp

Filesize
8KB

Download
memory/1040-78-0x0000000000000000-mapping.dmp

Download
memory/1384-83-0x0000000007D70000-0x0000000007EB1000-memory.dmp

Filesize
1.3MB

Download
memory/1384-76-0x0000000007260000-0x0000000007395000-memory.dmp

Filesize
1.2MB

Download
memory/1384-73-0x0000000007150000-0x000000000725C000-memory.dmp

Filesize
1.0MB

Download
memory/1516-68-0x000000000041F130-mapping.dmp

Download
memory/1516-72-0x00000000003C0000-0x00000000003D4000-memory.dmp

Filesize
80KB

Download
memory/1516-71-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/1516-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1516-74-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1516-75-0x0000000000560000-0x0000000000574000-memory.dmp

Filesize
80KB

Download
memory/1560-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1560-55-0x000000002F021000-0x000000002F024000-memory.dmp

Filesize
12KB

Download
memory/1560-56-0x0000000071DA1000-0x0000000071DA3000-memory.dmp

Filesize
8KB

Download
memory/1700-62-0x0000000000000000-mapping.dmp

Download
memory/1732-79-0x0000000000CF0000-0x0000000000D06000-memory.dmp

Filesize
88KB

Download
memory/1732-80-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1732-81-0x0000000002110000-0x0000000002413000-memory.dmp

Filesize
3.0MB

Download
memory/1732-82-0x0000000000AA0000-0x0000000000B33000-memory.dmp

Filesize
588KB

Download
memory/1732-77-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads