formbook | 1b9b86b949cb2665f607902896b624fc29a185a451750c232cf88937286c1417

General

Target

Solink quotation 001 56327 27.06.2022.xlsx
Size

163KB
MD5

8639b3fe327dffdd19d7b06f03aec4b3
SHA1

63794504c8c28ae45c8e3be78defb5437de3a8b7
SHA256

1b9b86b949cb2665f607902896b624fc29a185a451750c232cf88937286c1417
SHA512

75079359e6a2bfc6279441e3d04a2047fa11d8380bad85548e84f49da8223c46dd10d7d9f44de762d8c8487d5fe091672682bc777dc9da19b82d49ac9958b6b1

Score

10^/10

formbook ba17 rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ba17

Decoy

bearwant.com

sdsguanfang.com

steamcommunityvia.top

sugarplumtreasures.com

koronislakefishing.com

jmae.xyz

xhxnqemkiqe.xyz

playzcrew.com

zatwsbq.com

lankofix.com

sh-zhepeng.com

mibodamisxv.online

butterflyjewelry.store

finestrecitalto-spottoday.info

globomateria.com

royalmdarts.com

d4af10836709.com

shepwill.com

67aldrich.info

trustedmakers.club

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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1768-78-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1768-79-0x000000000041F1E0-mapping.dmp	formbook
behavioral1/memory/1768-81-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

3 1468 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

vbc.exe

pid process

628 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

1468 EQNEDT32.EXE
1468 EQNEDT32.EXE
1468 EQNEDT32.EXE
1468 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
3	1468	EQNEDT32.EXE

pid	process
1468	EQNEDT32.EXE
1468	EQNEDT32.EXE
1468	EQNEDT32.EXE
1468	EQNEDT32.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exeRegSvcs.exechkdsk.exe

description	pid	process	target process
PID 628 set thread context of 1768	628	vbc.exe	RegSvcs.exe
PID 1768 set thread context of 1272	1768	RegSvcs.exe	Explorer.EXE
PID 280 set thread context of 1272	280	chkdsk.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
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1384 schtasks.exe

pid	process
1384	schtasks.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

chkdsk.exeEXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe
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

1468 EQNEDT32.EXE

pid	process
1468	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
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\Se&nd to OneNote	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	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\MenuExt	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 HTML Editor\shell\edit	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	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar	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
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 (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 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 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\MenuExt\E&xport to Microsoft Excel	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 MHTML Editor\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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\shell	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	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	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

388 EXCEL.EXE

pid	process
388	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

vbc.exeRegSvcs.exechkdsk.exe

pid	process
628	vbc.exe
1768	RegSvcs.exe
1768	RegSvcs.exe
280	chkdsk.exe
280	chkdsk.exe
280	chkdsk.exe
280	chkdsk.exe
280	chkdsk.exe
280	chkdsk.exe
280	chkdsk.exe
280	chkdsk.exe
280	chkdsk.exe
280	chkdsk.exe
280	chkdsk.exe
280	chkdsk.exe
280	chkdsk.exe
280	chkdsk.exe
280	chkdsk.exe
280	chkdsk.exe
280	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exechkdsk.exe

pid process

1768 RegSvcs.exe
1768 RegSvcs.exe
1768 RegSvcs.exe
280 chkdsk.exe
280 chkdsk.exe

pid	process
1768	RegSvcs.exe
1768	RegSvcs.exe
1768	RegSvcs.exe
280	chkdsk.exe
280	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

vbc.exeRegSvcs.exechkdsk.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	628	vbc.exe
Token: SeDebugPrivilege	1768	RegSvcs.exe
Token: SeDebugPrivilege	280	chkdsk.exe
Token: SeShutdownPrivilege	1272	Explorer.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

388 EXCEL.EXE
388 EXCEL.EXE
388 EXCEL.EXE

pid	process
388	EXCEL.EXE
388	EXCEL.EXE
388	EXCEL.EXE

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1468 wrote to memory of 628	1468	EQNEDT32.EXE	vbc.exe
PID 1468 wrote to memory of 628	1468	EQNEDT32.EXE	vbc.exe
PID 1468 wrote to memory of 628	1468	EQNEDT32.EXE	vbc.exe
PID 1468 wrote to memory of 628	1468	EQNEDT32.EXE	vbc.exe
PID 628 wrote to memory of 1384	628	vbc.exe	schtasks.exe
PID 628 wrote to memory of 1384	628	vbc.exe	schtasks.exe
PID 628 wrote to memory of 1384	628	vbc.exe	schtasks.exe
PID 628 wrote to memory of 1384	628	vbc.exe	schtasks.exe
PID 628 wrote to memory of 1768	628	vbc.exe	RegSvcs.exe
PID 628 wrote to memory of 1768	628	vbc.exe	RegSvcs.exe
PID 628 wrote to memory of 1768	628	vbc.exe	RegSvcs.exe
PID 628 wrote to memory of 1768	628	vbc.exe	RegSvcs.exe
PID 628 wrote to memory of 1768	628	vbc.exe	RegSvcs.exe
PID 628 wrote to memory of 1768	628	vbc.exe	RegSvcs.exe
PID 628 wrote to memory of 1768	628	vbc.exe	RegSvcs.exe
PID 628 wrote to memory of 1768	628	vbc.exe	RegSvcs.exe
PID 628 wrote to memory of 1768	628	vbc.exe	RegSvcs.exe
PID 628 wrote to memory of 1768	628	vbc.exe	RegSvcs.exe
PID 1272 wrote to memory of 280	1272	Explorer.EXE	chkdsk.exe
PID 1272 wrote to memory of 280	1272	Explorer.EXE	chkdsk.exe
PID 1272 wrote to memory of 280	1272	Explorer.EXE	chkdsk.exe
PID 1272 wrote to memory of 280	1272	Explorer.EXE	chkdsk.exe
PID 280 wrote to memory of 1592	280	chkdsk.exe	cmd.exe
PID 280 wrote to memory of 1592	280	chkdsk.exe	cmd.exe
PID 280 wrote to memory of 1592	280	chkdsk.exe	cmd.exe
PID 280 wrote to memory of 1592	280	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1272

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\Solink quotation 001 56327 27.06.2022.xlsx"
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:388

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:280

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:1592

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:1468

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:628

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OHyOwWfiz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E82.tmp"
3⤵
- Creates scheduled task(s)
PID:1384

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1768

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Scheduled Task

1

T1053

Exploitation for Client Execution

1

T1203

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

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\Admin\AppData\Local\Temp\tmp9E82.tmp
Filesize
1KB

MD5
6a3ab760757768e7842b9f6b5fd894b6

SHA1
2ded6eb4a9fe1dc95ee8a0acf827798e2165aa0e

SHA256
fe47eb7c0e777b7ed315c6a8f0d2f18637c4ce60e579ae6a5a2f51ee7204b0eb

SHA512
3710082ce1e38727c6c1d29d983cba4aaf723b21f5f2d830f4b0b4cf91a2dd7509d30dfa36bb1149a9a5c8e92cb154ed940ac184b296e9a3fdc842625438dbc7

Download Submit
C:\Users\Public\vbc.exe
Filesize
854KB

MD5
cc3b22bd3d92f8209de3a45f1b49b05d

SHA1
46f5d875d74b9dc5f4519b6aff1efdf62df70c73

SHA256
e10cbd14bad3693345f6fa7d09e1336c1b2033900e1b1b55ccf0a76a98b1c79a

SHA512
81eef9b07333b31a8016986f15a6ad519e77643bab1f2c557a5bea4014e1626702854c5c180c883c517ecaebd8a1a823da63d2533e7f9f73c0b8a1d7fd4612cf

Download Submit
C:\Users\Public\vbc.exe
Filesize
854KB

MD5
cc3b22bd3d92f8209de3a45f1b49b05d

SHA1
46f5d875d74b9dc5f4519b6aff1efdf62df70c73

SHA256
e10cbd14bad3693345f6fa7d09e1336c1b2033900e1b1b55ccf0a76a98b1c79a

SHA512
81eef9b07333b31a8016986f15a6ad519e77643bab1f2c557a5bea4014e1626702854c5c180c883c517ecaebd8a1a823da63d2533e7f9f73c0b8a1d7fd4612cf

Download Submit
\Users\Public\vbc.exe
Filesize
854KB

MD5
cc3b22bd3d92f8209de3a45f1b49b05d

SHA1
46f5d875d74b9dc5f4519b6aff1efdf62df70c73

SHA256
e10cbd14bad3693345f6fa7d09e1336c1b2033900e1b1b55ccf0a76a98b1c79a

SHA512
81eef9b07333b31a8016986f15a6ad519e77643bab1f2c557a5bea4014e1626702854c5c180c883c517ecaebd8a1a823da63d2533e7f9f73c0b8a1d7fd4612cf

Download Submit
\Users\Public\vbc.exe
Filesize
854KB

MD5
cc3b22bd3d92f8209de3a45f1b49b05d

SHA1
46f5d875d74b9dc5f4519b6aff1efdf62df70c73

SHA256
e10cbd14bad3693345f6fa7d09e1336c1b2033900e1b1b55ccf0a76a98b1c79a

SHA512
81eef9b07333b31a8016986f15a6ad519e77643bab1f2c557a5bea4014e1626702854c5c180c883c517ecaebd8a1a823da63d2533e7f9f73c0b8a1d7fd4612cf

Download Submit
\Users\Public\vbc.exe
Filesize
854KB

MD5
cc3b22bd3d92f8209de3a45f1b49b05d

SHA1
46f5d875d74b9dc5f4519b6aff1efdf62df70c73

SHA256
e10cbd14bad3693345f6fa7d09e1336c1b2033900e1b1b55ccf0a76a98b1c79a

SHA512
81eef9b07333b31a8016986f15a6ad519e77643bab1f2c557a5bea4014e1626702854c5c180c883c517ecaebd8a1a823da63d2533e7f9f73c0b8a1d7fd4612cf

Download Submit
\Users\Public\vbc.exe
Filesize
854KB

MD5
cc3b22bd3d92f8209de3a45f1b49b05d

SHA1
46f5d875d74b9dc5f4519b6aff1efdf62df70c73

SHA256
e10cbd14bad3693345f6fa7d09e1336c1b2033900e1b1b55ccf0a76a98b1c79a

SHA512
81eef9b07333b31a8016986f15a6ad519e77643bab1f2c557a5bea4014e1626702854c5c180c883c517ecaebd8a1a823da63d2533e7f9f73c0b8a1d7fd4612cf

Download Submit
memory/280-85-0x0000000000000000-mapping.dmp

Download
memory/280-86-0x0000000000BA0000-0x0000000000BA7000-memory.dmp

Filesize
28KB

Download
memory/388-58-0x0000000076C81000-0x0000000076C83000-memory.dmp

Filesize
8KB

Download
memory/388-89-0x0000000072C2D000-0x0000000072C38000-memory.dmp

Filesize
44KB

Download
memory/388-57-0x0000000072C2D000-0x0000000072C38000-memory.dmp

Filesize
44KB

Download
memory/388-88-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/388-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/388-70-0x0000000072C2D000-0x0000000072C38000-memory.dmp

Filesize
44KB

Download
memory/388-55-0x0000000071C41000-0x0000000071C43000-memory.dmp

Filesize
8KB

Download
memory/388-54-0x000000002FB21000-0x000000002FB24000-memory.dmp

Filesize
12KB

Download
memory/628-72-0x00000000042F0000-0x0000000004364000-memory.dmp

Filesize
464KB

Download
memory/628-64-0x0000000000000000-mapping.dmp

Download
memory/628-67-0x0000000000030000-0x000000000010C000-memory.dmp

Filesize
880KB

Download
memory/628-69-0x0000000000500000-0x000000000050A000-memory.dmp

Filesize
40KB

Download
memory/628-71-0x00000000053B0000-0x0000000005476000-memory.dmp

Filesize
792KB

Download
memory/1272-84-0x0000000006C50000-0x0000000006D35000-memory.dmp

Filesize
916KB

Download
memory/1384-73-0x0000000000000000-mapping.dmp

Download
memory/1592-87-0x0000000000000000-mapping.dmp

Download
memory/1768-78-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1768-83-0x0000000000190000-0x00000000001A5000-memory.dmp

Filesize
84KB

Download
memory/1768-82-0x0000000000850000-0x0000000000B53000-memory.dmp

Filesize
3.0MB

Download
memory/1768-81-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1768-79-0x000000000041F1E0-mapping.dmp

Download
memory/1768-76-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1768-75-0x0000000000400000-0x000000000042F000-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