formbook | b0317fe6426ee5247b933cb3b5cf2c0c59d58b3bdcd27c636bf03a75c2e2609c

General

Target

tmp/b0317fe6426ee5247b933cb3b5cf2c0c59d58b3bdcd27c636bf03a75c2e2609c.xls
Size

160KB
MD5

9f5094328e87a38e3839c741c85c3ac6
SHA1

50703316c674cc5df15742cebc39e3356328f676
SHA256

b0317fe6426ee5247b933cb3b5cf2c0c59d58b3bdcd27c636bf03a75c2e2609c
SHA512

e06bbe6119b574dc8a853f6e86bf93474f4462299e7968ebaad62b789cd13d65e374fdd588145999342474401842b86d9ed0ce727caa6ad17130029ad76be069

Score

10^/10

formbook og2w rat spyware stealer 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

Formbook Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1752-67-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1752-68-0x000000000041F130-mapping.dmp	formbook
behavioral1/memory/1752-74-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1360-79-0x0000000000070000-0x000000000009F000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 1532 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1008 vbc.exe
1752 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXEvbc.exe

pid process

1532 EQNEDT32.EXE
1532 EQNEDT32.EXE
1532 EQNEDT32.EXE
1008 vbc.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
4	1532	EQNEDT32.EXE

pid	process
1008	vbc.exe
1752	vbc.exe

pid	process
1532	EQNEDT32.EXE
1532	EQNEDT32.EXE
1532	EQNEDT32.EXE
1008	vbc.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

vbc.exevbc.execscript.exe

description	pid	process	target process
PID 1008 set thread context of 1752	1008	vbc.exe	vbc.exe
PID 1752 set thread context of 1412	1752	vbc.exe	Explorer.EXE
PID 1752 set thread context of 1412	1752	vbc.exe	Explorer.EXE
PID 1360 set thread context of 1412	1360	cscript.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

1532 EQNEDT32.EXE

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

pid	process
1532	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-1-5-21-2955169046-2371869340-1800780948-1000\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 deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML 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-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	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	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 MHTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Toolbar	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\edit	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	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
Set value (int)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\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\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default 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

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1668 EXCEL.EXE

pid	process
1668	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

vbc.execscript.exe

pid	process
1752	vbc.exe
1752	vbc.exe
1752	vbc.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe
1360	cscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1412 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

vbc.execscript.exe

pid process

1752 vbc.exe
1752 vbc.exe
1752 vbc.exe
1752 vbc.exe
1360 cscript.exe
1360 cscript.exe

pid	process
1412	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

vbc.exeExplorer.EXEcscript.exe

description	pid	process
Token: SeDebugPrivilege	1752	vbc.exe
Token: SeShutdownPrivilege	1412	Explorer.EXE
Token: SeDebugPrivilege	1360	cscript.exe
Token: SeShutdownPrivilege	1412	Explorer.EXE
Token: SeShutdownPrivilege	1412	Explorer.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

EXCEL.EXE

pid process

1668 EXCEL.EXE
1668 EXCEL.EXE
1668 EXCEL.EXE
1668 EXCEL.EXE
1668 EXCEL.EXE
1668 EXCEL.EXE

pid	process
1668	EXCEL.EXE
1668	EXCEL.EXE
1668	EXCEL.EXE
1668	EXCEL.EXE
1668	EXCEL.EXE
1668	EXCEL.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

EQNEDT32.EXEvbc.exevbc.execscript.exe

description	pid	process	target process
PID 1532 wrote to memory of 1008	1532	EQNEDT32.EXE	vbc.exe
PID 1532 wrote to memory of 1008	1532	EQNEDT32.EXE	vbc.exe
PID 1532 wrote to memory of 1008	1532	EQNEDT32.EXE	vbc.exe
PID 1532 wrote to memory of 1008	1532	EQNEDT32.EXE	vbc.exe
PID 1008 wrote to memory of 1752	1008	vbc.exe	vbc.exe
PID 1008 wrote to memory of 1752	1008	vbc.exe	vbc.exe
PID 1008 wrote to memory of 1752	1008	vbc.exe	vbc.exe
PID 1008 wrote to memory of 1752	1008	vbc.exe	vbc.exe
PID 1008 wrote to memory of 1752	1008	vbc.exe	vbc.exe
PID 1008 wrote to memory of 1752	1008	vbc.exe	vbc.exe
PID 1008 wrote to memory of 1752	1008	vbc.exe	vbc.exe
PID 1752 wrote to memory of 1360	1752	vbc.exe	cscript.exe
PID 1752 wrote to memory of 1360	1752	vbc.exe	cscript.exe
PID 1752 wrote to memory of 1360	1752	vbc.exe	cscript.exe
PID 1752 wrote to memory of 1360	1752	vbc.exe	cscript.exe
PID 1360 wrote to memory of 900	1360	cscript.exe	cmd.exe
PID 1360 wrote to memory of 900	1360	cscript.exe	cmd.exe
PID 1360 wrote to memory of 900	1360	cscript.exe	cmd.exe
PID 1360 wrote to memory of 900	1360	cscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1412

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\tmp\b0317fe6426ee5247b933cb3b5cf2c0c59d58b3bdcd27c636bf03a75c2e2609c.xls
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1668

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:1532

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:1008

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:1752

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1360

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
5⤵
PID:900

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

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Public\vbc.exe
MD5
3c34fff9a8a4047126882131e24da454

SHA1
71764d7a1c5a3c64047b9c2fb834fbaadea693b5

SHA256
920b2a34a93f5add23dbc71393cda484518b2a23ced20e57864a069469999999

SHA512
ba9454d9615ee605ea0c339028a0342840dc119b4f3d8022c250733ee34a625966596e68a1b1e5e2711899fe9a2f82ad92cf843dd2c4d37bda33dd6e62af9701

Download Submit
C:\Users\Public\vbc.exe
MD5
3c34fff9a8a4047126882131e24da454

SHA1
71764d7a1c5a3c64047b9c2fb834fbaadea693b5

SHA256
920b2a34a93f5add23dbc71393cda484518b2a23ced20e57864a069469999999

SHA512
ba9454d9615ee605ea0c339028a0342840dc119b4f3d8022c250733ee34a625966596e68a1b1e5e2711899fe9a2f82ad92cf843dd2c4d37bda33dd6e62af9701

Download Submit
C:\Users\Public\vbc.exe
MD5
3c34fff9a8a4047126882131e24da454

SHA1
71764d7a1c5a3c64047b9c2fb834fbaadea693b5

SHA256
920b2a34a93f5add23dbc71393cda484518b2a23ced20e57864a069469999999

SHA512
ba9454d9615ee605ea0c339028a0342840dc119b4f3d8022c250733ee34a625966596e68a1b1e5e2711899fe9a2f82ad92cf843dd2c4d37bda33dd6e62af9701

Download Submit
\Users\Admin\AppData\Local\Temp\nsi516B.tmp\izzessmbm.dll
MD5
7eb2ec8cdc698f5b86048303617efe46

SHA1
8e7512c427d5e9abc952e9ead341e5f02546fb4b

SHA256
a5901633d812bcbf908b79c0e4f98ccf0bcd175a7937b69f915727dec1c949fe

SHA512
c11b2546e4aa9136cbb686e6faccdedce51d503da73c51a6904cf416aa1b0c6a5c2795ef434511a1e28fbb4b9b474a6b25db9d07b17509bb13c88fbabaca98f6

Download Submit
\Users\Public\vbc.exe
MD5
3c34fff9a8a4047126882131e24da454

SHA1
71764d7a1c5a3c64047b9c2fb834fbaadea693b5

SHA256
920b2a34a93f5add23dbc71393cda484518b2a23ced20e57864a069469999999

SHA512
ba9454d9615ee605ea0c339028a0342840dc119b4f3d8022c250733ee34a625966596e68a1b1e5e2711899fe9a2f82ad92cf843dd2c4d37bda33dd6e62af9701

Download Submit
\Users\Public\vbc.exe
MD5
3c34fff9a8a4047126882131e24da454

SHA1
71764d7a1c5a3c64047b9c2fb834fbaadea693b5

SHA256
920b2a34a93f5add23dbc71393cda484518b2a23ced20e57864a069469999999

SHA512
ba9454d9615ee605ea0c339028a0342840dc119b4f3d8022c250733ee34a625966596e68a1b1e5e2711899fe9a2f82ad92cf843dd2c4d37bda33dd6e62af9701

Download Submit
\Users\Public\vbc.exe
MD5
3c34fff9a8a4047126882131e24da454

SHA1
71764d7a1c5a3c64047b9c2fb834fbaadea693b5

SHA256
920b2a34a93f5add23dbc71393cda484518b2a23ced20e57864a069469999999

SHA512
ba9454d9615ee605ea0c339028a0342840dc119b4f3d8022c250733ee34a625966596e68a1b1e5e2711899fe9a2f82ad92cf843dd2c4d37bda33dd6e62af9701

Download Submit
memory/900-80-0x0000000000000000-mapping.dmp

Download
memory/1008-62-0x0000000000000000-mapping.dmp

Download
memory/1360-78-0x0000000000590000-0x00000000005B2000-memory.dmp

Filesize
136KB

Download
memory/1360-79-0x0000000000070000-0x000000000009F000-memory.dmp

Filesize
188KB

Download
memory/1360-82-0x0000000001D80000-0x0000000001E13000-memory.dmp

Filesize
588KB

Download
memory/1360-81-0x0000000001FB0000-0x00000000022B3000-memory.dmp

Filesize
3.0MB

Download
memory/1360-77-0x0000000000000000-mapping.dmp

Download
memory/1412-83-0x0000000004BB0000-0x0000000004C7E000-memory.dmp

Filesize
824KB

Download
memory/1412-73-0x0000000006C50000-0x0000000006D97000-memory.dmp

Filesize
1.3MB

Download
memory/1412-76-0x00000000067D0000-0x00000000068B2000-memory.dmp

Filesize
904KB

Download
memory/1532-58-0x0000000075901000-0x0000000075903000-memory.dmp

Filesize
8KB

Download
memory/1668-84-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1668-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1668-56-0x00000000710B1000-0x00000000710B3000-memory.dmp

Filesize
8KB

Download
memory/1668-55-0x000000002FBA1000-0x000000002FBA4000-memory.dmp

Filesize
12KB

Download
memory/1752-71-0x0000000000900000-0x0000000000C03000-memory.dmp

Filesize
3.0MB

Download
memory/1752-75-0x0000000000390000-0x00000000003A4000-memory.dmp

Filesize
80KB

Download
memory/1752-74-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1752-72-0x0000000000340000-0x0000000000354000-memory.dmp

Filesize
80KB

Download
memory/1752-68-0x000000000041F130-mapping.dmp

Download
memory/1752-67-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads