formbook | f32cba300b9df860f81e39c1331ba9894793fb12a99a10fb79d3ccccb1c0e965

General

Target

F32CBA300B9DF860F81E39C1331BA9894793FB12A99A10FB79D3CCCCB1C0E965.xls
Size

1.0MB
MD5

55b3d16dfac60ddf403e8fb67375cae8
SHA1

d9079cdc7e7620388bb68d04d99aef107ce1f30b
SHA256

f32cba300b9df860f81e39c1331ba9894793fb12a99a10fb79d3ccccb1c0e965
SHA512

016c97686ea7f6c49a6e93128f67dce2f10494bd249f1f96a6242d1da954bb9741bbc20a964c7e1f824320fe825450845b3cf140daeee9732cc0e0c7b96c3dd0
SSDEEP

24576:Yr5XXXXXXXXXXXXUXXXXXXXSXXXXXXXXym0r5XXXXXXXXXXXXUXXXXXXXSXXXXX+:

Score

10^/10

formbook b3es rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b3es

Decoy

sweets.wtf

apextama.com

tygbs.com

kumaoedu.com

bestbathroomremodeling.club

lnshykj.com

nelsonanddima.com

falunap.info

codyhinrichs.com

2797vip.com

danutka.com

3o2t307a.com

kellymariewest.com

profilelonn.online

procan.website

sopjimmy.com

xn--skdarkae-55ac80i.net

entitymanaged.com

melitadahl.art

joineguru.net

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/240-77-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/240-78-0x000000000041F0F0-mapping.dmp	formbook
behavioral1/memory/240-85-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1956-89-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook
behavioral1/memory/1956-92-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 976 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1720 vbc.exe
240 vbc.exe
Loads dropped DLL 2 IoCs

Processes:

EQNEDT32.EXE

pid process

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

Scripting
T1064

flow	pid	process
4	976	EQNEDT32.EXE

pid	process
976	EQNEDT32.EXE
976	EQNEDT32.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exewlanext.exe

description	pid	process	target process
PID 1720 set thread context of 240	1720	vbc.exe	vbc.exe
PID 240 set thread context of 1208	240	vbc.exe	Explorer.EXE
PID 1956 set thread context of 1208	1956	wlanext.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

976 EQNEDT32.EXE

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

pid	process
976	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 MHTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key deleted	\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\edit\COMMAND	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	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 MHTML Editor	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	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
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\ = "&Edit"	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-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1284 EXCEL.EXE

pid	process
1284	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

vbc.exevbc.exewlanext.exe

pid	process
1720	vbc.exe
1720	vbc.exe
240	vbc.exe
240	vbc.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe
1956	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exewlanext.exe

pid process

240 vbc.exe
240 vbc.exe
240 vbc.exe
1956 wlanext.exe
1956 wlanext.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vbc.exevbc.exewlanext.exe

description pid process

Token: SeDebugPrivilege 1720 vbc.exe
Token: SeDebugPrivilege 240 vbc.exe
Token: SeDebugPrivilege 1956 wlanext.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1284 EXCEL.EXE
1284 EXCEL.EXE
1284 EXCEL.EXE

pid	process
240	vbc.exe
240	vbc.exe
240	vbc.exe
1956	wlanext.exe
1956	wlanext.exe

description	pid	process
Token: SeDebugPrivilege	1720	vbc.exe
Token: SeDebugPrivilege	240	vbc.exe
Token: SeDebugPrivilege	1956	wlanext.exe

pid	process
1284	EXCEL.EXE
1284	EXCEL.EXE
1284	EXCEL.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 976 wrote to memory of 1720	976	EQNEDT32.EXE	vbc.exe
PID 976 wrote to memory of 1720	976	EQNEDT32.EXE	vbc.exe
PID 976 wrote to memory of 1720	976	EQNEDT32.EXE	vbc.exe
PID 976 wrote to memory of 1720	976	EQNEDT32.EXE	vbc.exe
PID 1720 wrote to memory of 240	1720	vbc.exe	vbc.exe
PID 1720 wrote to memory of 240	1720	vbc.exe	vbc.exe
PID 1720 wrote to memory of 240	1720	vbc.exe	vbc.exe
PID 1720 wrote to memory of 240	1720	vbc.exe	vbc.exe
PID 1720 wrote to memory of 240	1720	vbc.exe	vbc.exe
PID 1720 wrote to memory of 240	1720	vbc.exe	vbc.exe
PID 1720 wrote to memory of 240	1720	vbc.exe	vbc.exe
PID 1208 wrote to memory of 1956	1208	Explorer.EXE	wlanext.exe
PID 1208 wrote to memory of 1956	1208	Explorer.EXE	wlanext.exe
PID 1208 wrote to memory of 1956	1208	Explorer.EXE	wlanext.exe
PID 1208 wrote to memory of 1956	1208	Explorer.EXE	wlanext.exe
PID 1956 wrote to memory of 1504	1956	wlanext.exe	cmd.exe
PID 1956 wrote to memory of 1504	1956	wlanext.exe	cmd.exe
PID 1956 wrote to memory of 1504	1956	wlanext.exe	cmd.exe
PID 1956 wrote to memory of 1504	1956	wlanext.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- 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\F32CBA300B9DF860F81E39C1331BA9894793FB12A99A10FB79D3CCCCB1C0E965.xls
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1284

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1956

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1504

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:976

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:1720

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:240

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

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Public\vbc.exe
Filesize
913KB

MD5
7b6dcd6fcd1c26b9abdba167929f4c82

SHA1
04f11f07ef4a51b16383b5dde94f1af405893b45

SHA256
e38f6fab27253171688423b0792d38be81e4c01cceb35c7bca05d2ebfc011ae9

SHA512
0a12c658607c69b203f3674a6097b86b925e29d00003b4e1c975e5bd09894eba722af22ced22c0c01ca555657eaa7251a908f36e0fabfe2f521aad9124d6b942

Download Submit
C:\Users\Public\vbc.exe
Filesize
913KB

MD5
7b6dcd6fcd1c26b9abdba167929f4c82

SHA1
04f11f07ef4a51b16383b5dde94f1af405893b45

SHA256
e38f6fab27253171688423b0792d38be81e4c01cceb35c7bca05d2ebfc011ae9

SHA512
0a12c658607c69b203f3674a6097b86b925e29d00003b4e1c975e5bd09894eba722af22ced22c0c01ca555657eaa7251a908f36e0fabfe2f521aad9124d6b942

Download Submit
C:\Users\Public\vbc.exe
Filesize
913KB

MD5
7b6dcd6fcd1c26b9abdba167929f4c82

SHA1
04f11f07ef4a51b16383b5dde94f1af405893b45

SHA256
e38f6fab27253171688423b0792d38be81e4c01cceb35c7bca05d2ebfc011ae9

SHA512
0a12c658607c69b203f3674a6097b86b925e29d00003b4e1c975e5bd09894eba722af22ced22c0c01ca555657eaa7251a908f36e0fabfe2f521aad9124d6b942

Download Submit
\Users\Public\vbc.exe
Filesize
913KB

MD5
7b6dcd6fcd1c26b9abdba167929f4c82

SHA1
04f11f07ef4a51b16383b5dde94f1af405893b45

SHA256
e38f6fab27253171688423b0792d38be81e4c01cceb35c7bca05d2ebfc011ae9

SHA512
0a12c658607c69b203f3674a6097b86b925e29d00003b4e1c975e5bd09894eba722af22ced22c0c01ca555657eaa7251a908f36e0fabfe2f521aad9124d6b942

Download Submit
\Users\Public\vbc.exe
Filesize
913KB

MD5
7b6dcd6fcd1c26b9abdba167929f4c82

SHA1
04f11f07ef4a51b16383b5dde94f1af405893b45

SHA256
e38f6fab27253171688423b0792d38be81e4c01cceb35c7bca05d2ebfc011ae9

SHA512
0a12c658607c69b203f3674a6097b86b925e29d00003b4e1c975e5bd09894eba722af22ced22c0c01ca555657eaa7251a908f36e0fabfe2f521aad9124d6b942

Download Submit
memory/240-74-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/240-85-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/240-82-0x0000000000280000-0x0000000000294000-memory.dmp

Filesize
80KB

Download
memory/240-81-0x0000000000B20000-0x0000000000E23000-memory.dmp

Filesize
3.0MB

Download
memory/240-78-0x000000000041F0F0-mapping.dmp

Download
memory/240-77-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/240-75-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1208-83-0x0000000006F40000-0x00000000070C4000-memory.dmp

Filesize
1.5MB

Download
memory/1208-93-0x00000000040D0000-0x0000000004171000-memory.dmp

Filesize
644KB

Download
memory/1208-91-0x00000000040D0000-0x0000000004171000-memory.dmp

Filesize
644KB

Download
memory/1284-69-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1284-70-0x000000007230D000-0x0000000072318000-memory.dmp

Filesize
44KB

Download
memory/1284-54-0x000000002FA51000-0x000000002FA54000-memory.dmp

Filesize
12KB

Download
memory/1284-60-0x000000007230D000-0x0000000072318000-memory.dmp

Filesize
44KB

Download
memory/1284-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1284-57-0x000000007230D000-0x0000000072318000-memory.dmp

Filesize
44KB

Download
memory/1284-55-0x0000000071321000-0x0000000071323000-memory.dmp

Filesize
8KB

Download
memory/1284-58-0x0000000075661000-0x0000000075663000-memory.dmp

Filesize
8KB

Download
memory/1504-86-0x0000000000000000-mapping.dmp

Download
memory/1720-63-0x0000000000000000-mapping.dmp

Download
memory/1720-68-0x00000000003B0000-0x00000000003C6000-memory.dmp

Filesize
88KB

Download
memory/1720-66-0x0000000000A30000-0x0000000000B1A000-memory.dmp

Filesize
936KB

Download
memory/1720-73-0x0000000004340000-0x00000000043B2000-memory.dmp

Filesize
456KB

Download
memory/1720-72-0x00000000057A0000-0x000000000584A000-memory.dmp

Filesize
680KB

Download
memory/1720-71-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1956-84-0x0000000000000000-mapping.dmp

Download
memory/1956-87-0x0000000000CB0000-0x0000000000CC6000-memory.dmp

Filesize
88KB

Download
memory/1956-88-0x00000000020D0000-0x00000000023D3000-memory.dmp

Filesize
3.0MB

Download
memory/1956-89-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/1956-90-0x00000000009A0000-0x0000000000A33000-memory.dmp

Filesize
588KB

Download
memory/1956-92-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads