formbook | c59569a4dcfea9baca6013c1abdc304577907e8cc1659fc8df93d6bb48129845

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
27-01-2023 09:16

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General

Target

Doc_230127.xlsx
Size

751KB
MD5

223722998eedb55be29303871403d229
SHA1

c77a66ba6b49f19471eed470c7ab13c9574ec5e5
SHA256

c59569a4dcfea9baca6013c1abdc304577907e8cc1659fc8df93d6bb48129845
SHA512

b22c9c6f5ecfa2dbfa896eccc139c50a0424931b51db3a53088cd0c405a0c8f12f07240781a268bdb34adbfac43f07dfb5922efd3523c4fad714677e39687691
SSDEEP

12288:seQslI5UMktTW6VV7PINexvXJzEiGGZb7s8pr7E8+qlPqX46lp6d+kWlM/:qY0k48IkNkGZbtZovqlPqJlp6QPM/

Score

10^/10

formbook xloader poub loader persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

poub

Decoy

WY0eksfISzRg4O6c+opnGL6gaw==

moRjn9ExtYi8UmUo+Tya

2vME+GedoxzFnuLXesUoVj4=

EvW4JWJ1NQ8nN3tA3SM=

2mK9efMZMgN1VOs=

8d0jua5b0J6AQEW7

/2cyThOd37DSTYMASDye4Q0t/Vs=

ral+tbIh2KKAQEW7

YLY9jsPtYB/FRmMo+Tya

R1WcElWAMtFxFrVqtZT2ZpIS9xRZNho=

KFXGg/T1pCC9GjrxUPTcjw==

8mMlK5nDwjjPFTP5jMtAtQ0t/Vs=

c7am8nhhlCo=

UW91trZj6dENxuRdpxOvW1Cf

sjOMUcvq6lYJCZEfV4euFzY=

62nBgPjdmWQkmWElww==

64E8JqA1aruSUvw=

NqI1reXpcR+REye0

8+y1oOsbjgSyEhjXUPTcjw==

Rx9by8gNBwN1VOs=

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1624-77-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/912-84-0x0000000000090000-0x00000000000BC000-memory.dmp	xloader
behavioral1/memory/912-88-0x0000000000090000-0x00000000000BC000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wuapp.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	wuapp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ZXU0YFIXJ8X = "C:\\Program Files (x86)\\Bcbs\\configkjkdu.exe"	wuapp.exe

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

3 1908 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

name.exeozggicxy.exeozggicxy.exe

pid process

1796 name.exe
1568 ozggicxy.exe
1624 ozggicxy.exe

flow	pid	process
3	1908	EQNEDT32.EXE

pid	process
1796	name.exe
1568	ozggicxy.exe
1624	ozggicxy.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

ozggicxy.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Control Panel\International\Geo\Nation	ozggicxy.exe

Loads dropped DLL 3 IoCs

Processes:

cmd.exename.exeozggicxy.exe

pid process

1844 cmd.exe
1796 name.exe
1568 ozggicxy.exe

pid	process
1844	cmd.exe
1796	name.exe
1568	ozggicxy.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

ozggicxy.exeozggicxy.exewuapp.exe

description	pid	process	target process
PID 1568 set thread context of 1624	1568	ozggicxy.exe	ozggicxy.exe
PID 1624 set thread context of 1208	1624	ozggicxy.exe	Explorer.EXE
PID 912 set thread context of 1208	912	wuapp.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

wuapp.exe

description ioc process

File opened for modification C:\Program Files (x86)\Bcbs\configkjkdu.exe wuapp.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
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

1908 EQNEDT32.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Bcbs\configkjkdu.exe	wuapp.exe

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

pid	process
1908	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXEwuapp.exe

description	ioc	process
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\command	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\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\USER\S-1-5-21-3406023954-474543476-3319432036-1000\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 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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Key created	\Registry\User\S-1-5-21-3406023954-474543476-3319432036-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wuapp.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\edit	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\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	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\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 (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\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 (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	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1112 EXCEL.EXE

pid	process
1112	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

ozggicxy.exewuapp.exe

pid	process
1624	ozggicxy.exe
1624	ozggicxy.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

ozggicxy.exeozggicxy.exewuapp.exe

pid process

1568 ozggicxy.exe
1624 ozggicxy.exe
1624 ozggicxy.exe
1624 ozggicxy.exe
912 wuapp.exe
912 wuapp.exe
912 wuapp.exe
912 wuapp.exe

pid	process
1208	Explorer.EXE

pid	process
1568	ozggicxy.exe
1624	ozggicxy.exe
1624	ozggicxy.exe
1624	ozggicxy.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe
912	wuapp.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

ozggicxy.exeExplorer.EXEwuapp.exe

description	pid	process
Token: SeDebugPrivilege	1624	ozggicxy.exe
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeDebugPrivilege	912	wuapp.exe
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE
Token: SeShutdownPrivilege	1208	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

EXCEL.EXEExplorer.EXE

pid process

1112 EXCEL.EXE
1112 EXCEL.EXE
1208 Explorer.EXE
1208 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1112 EXCEL.EXE
1112 EXCEL.EXE
1112 EXCEL.EXE

pid	process
1112	EXCEL.EXE
1112	EXCEL.EXE
1208	Explorer.EXE
1208	Explorer.EXE

pid	process
1208	Explorer.EXE
1208	Explorer.EXE

pid	process
1112	EXCEL.EXE
1112	EXCEL.EXE
1112	EXCEL.EXE

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

EQNEDT32.EXEcmd.exename.exeozggicxy.exeExplorer.EXEwuapp.exe

description	pid	process	target process
PID 1908 wrote to memory of 1844	1908	EQNEDT32.EXE	cmd.exe
PID 1908 wrote to memory of 1844	1908	EQNEDT32.EXE	cmd.exe
PID 1908 wrote to memory of 1844	1908	EQNEDT32.EXE	cmd.exe
PID 1908 wrote to memory of 1844	1908	EQNEDT32.EXE	cmd.exe
PID 1844 wrote to memory of 1796	1844	cmd.exe	name.exe
PID 1844 wrote to memory of 1796	1844	cmd.exe	name.exe
PID 1844 wrote to memory of 1796	1844	cmd.exe	name.exe
PID 1844 wrote to memory of 1796	1844	cmd.exe	name.exe
PID 1796 wrote to memory of 1568	1796	name.exe	ozggicxy.exe
PID 1796 wrote to memory of 1568	1796	name.exe	ozggicxy.exe
PID 1796 wrote to memory of 1568	1796	name.exe	ozggicxy.exe
PID 1796 wrote to memory of 1568	1796	name.exe	ozggicxy.exe
PID 1568 wrote to memory of 1624	1568	ozggicxy.exe	ozggicxy.exe
PID 1568 wrote to memory of 1624	1568	ozggicxy.exe	ozggicxy.exe
PID 1568 wrote to memory of 1624	1568	ozggicxy.exe	ozggicxy.exe
PID 1568 wrote to memory of 1624	1568	ozggicxy.exe	ozggicxy.exe
PID 1568 wrote to memory of 1624	1568	ozggicxy.exe	ozggicxy.exe
PID 1208 wrote to memory of 912	1208	Explorer.EXE	wuapp.exe
PID 1208 wrote to memory of 912	1208	Explorer.EXE	wuapp.exe
PID 1208 wrote to memory of 912	1208	Explorer.EXE	wuapp.exe
PID 1208 wrote to memory of 912	1208	Explorer.EXE	wuapp.exe
PID 1208 wrote to memory of 912	1208	Explorer.EXE	wuapp.exe
PID 1208 wrote to memory of 912	1208	Explorer.EXE	wuapp.exe
PID 1208 wrote to memory of 912	1208	Explorer.EXE	wuapp.exe
PID 912 wrote to memory of 836	912	wuapp.exe	cmd.exe
PID 912 wrote to memory of 836	912	wuapp.exe	cmd.exe
PID 912 wrote to memory of 836	912	wuapp.exe	cmd.exe
PID 912 wrote to memory of 836	912	wuapp.exe	cmd.exe
PID 912 wrote to memory of 1636	912	wuapp.exe	Firefox.exe
PID 912 wrote to memory of 1636	912	wuapp.exe	Firefox.exe
PID 912 wrote to memory of 1636	912	wuapp.exe	Firefox.exe
PID 912 wrote to memory of 1636	912	wuapp.exe	Firefox.exe
PID 912 wrote to memory of 1636	912	wuapp.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- 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\Doc_230127.xlsx
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1112

C:\Windows\SysWOW64\wuapp.exe
"C:\Windows\SysWOW64\wuapp.exe"
2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:912

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\ozggicxy.exe"
3⤵
PID:836

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1636

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
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Public\name.exe
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1844

C:\Users\Public\name.exe
C:\Users\Public\name.exe
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1796

C:\Users\Admin\AppData\Local\Temp\ozggicxy.exe
"C:\Users\Admin\AppData\Local\Temp\ozggicxy.exe" C:\Users\Admin\AppData\Local\Temp\rznlc.m
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1568

C:\Users\Admin\AppData\Local\Temp\ozggicxy.exe
"C:\Users\Admin\AppData\Local\Temp\ozggicxy.exe"
5⤵
- Executes dropped EXE
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1624

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Exploitation for Client Execution

T1203

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nfekeauyiy.uih
Filesize
196KB

MD5
62db7e07dd4481e9b594a97c4b97281a

SHA1
0996af042cee334be6c8d71b689e1c3405dba59e

SHA256
e0ab3c275ba03990a2f28abd8f37f8ff078fb8dce7fb939c6029631a5b4018a6

SHA512
90823ffa0232b7c18bb927dfbd87f4e5220bcf8e23f55d6638ac6ca26c29341c2ed80b2039f3893323a315071f64c572cbee70f33dd9fa2c723465a6b476e23a

Download Submit
C:\Users\Admin\AppData\Local\Temp\ozggicxy.exe
Filesize
50KB

MD5
f73f9940d91bb012db1ea328b3897c82

SHA1
a2168931605a10f3604dc2c24504d82a51ab6e99

SHA256
2cd78183a6fca82b8e05a38466051f56529a1f5843cfd6bf7274ffe30e9abf57

SHA512
e74c2ac031aab4ede16a0b2525a22545b555c3e659fed10079a9921e3620e42b22f2052ec5f930519881a3b7e2dd1afbd0931d1696d99e516466314b90aa217a

Download Submit
C:\Users\Admin\AppData\Local\Temp\ozggicxy.exe
Filesize
50KB

MD5
f73f9940d91bb012db1ea328b3897c82

SHA1
a2168931605a10f3604dc2c24504d82a51ab6e99

SHA256
2cd78183a6fca82b8e05a38466051f56529a1f5843cfd6bf7274ffe30e9abf57

SHA512
e74c2ac031aab4ede16a0b2525a22545b555c3e659fed10079a9921e3620e42b22f2052ec5f930519881a3b7e2dd1afbd0931d1696d99e516466314b90aa217a

Download Submit
C:\Users\Admin\AppData\Local\Temp\ozggicxy.exe
Filesize
50KB

MD5
f73f9940d91bb012db1ea328b3897c82

SHA1
a2168931605a10f3604dc2c24504d82a51ab6e99

SHA256
2cd78183a6fca82b8e05a38466051f56529a1f5843cfd6bf7274ffe30e9abf57

SHA512
e74c2ac031aab4ede16a0b2525a22545b555c3e659fed10079a9921e3620e42b22f2052ec5f930519881a3b7e2dd1afbd0931d1696d99e516466314b90aa217a

Download Submit
C:\Users\Admin\AppData\Local\Temp\rznlc.m
Filesize
5KB

MD5
56075b8221603dd51f2e7cc79097c954

SHA1
0df59bf418b3398bb248b63ff834e7dea05596f0

SHA256
0775d03420d1805c24855734fdcbe12f7dc1d1bd150b345274495054b41576dc

SHA512
47bb8745800a315fb7f8b6717a70fa6b5c648309c02954bb41faccd29c42be7d8e6a1d1de1cae946e2893cb0660be93fd6487891364941279656723db004086c

Download Submit
C:\Users\Public\name.exe
Filesize
249KB

MD5
f020e4ab9dacdc83e6b1a4537b5338bc

SHA1
2006686a3a91ed7892cffc9b1bc68c57d59118b3

SHA256
3290889312a146f7ed60102439cb580f84057c98c530c31cae7461b2764f5ad4

SHA512
b959b9b3cebd08a09dddad4933be828a3ce4d45269d64121cb2009898e2cc0508fd36ee7b3bb1dc00ed32ca7071d59a0173b3d17ac88184b8a083ef64820585a

Download Submit
C:\Users\Public\name.exe
Filesize
249KB

MD5
f020e4ab9dacdc83e6b1a4537b5338bc

SHA1
2006686a3a91ed7892cffc9b1bc68c57d59118b3

SHA256
3290889312a146f7ed60102439cb580f84057c98c530c31cae7461b2764f5ad4

SHA512
b959b9b3cebd08a09dddad4933be828a3ce4d45269d64121cb2009898e2cc0508fd36ee7b3bb1dc00ed32ca7071d59a0173b3d17ac88184b8a083ef64820585a

Download Submit
\Users\Admin\AppData\Local\Temp\ozggicxy.exe
Filesize
50KB

MD5
f73f9940d91bb012db1ea328b3897c82

SHA1
a2168931605a10f3604dc2c24504d82a51ab6e99

SHA256
2cd78183a6fca82b8e05a38466051f56529a1f5843cfd6bf7274ffe30e9abf57

SHA512
e74c2ac031aab4ede16a0b2525a22545b555c3e659fed10079a9921e3620e42b22f2052ec5f930519881a3b7e2dd1afbd0931d1696d99e516466314b90aa217a

Download Submit
\Users\Admin\AppData\Local\Temp\ozggicxy.exe
Filesize
50KB

MD5
f73f9940d91bb012db1ea328b3897c82

SHA1
a2168931605a10f3604dc2c24504d82a51ab6e99

SHA256
2cd78183a6fca82b8e05a38466051f56529a1f5843cfd6bf7274ffe30e9abf57

SHA512
e74c2ac031aab4ede16a0b2525a22545b555c3e659fed10079a9921e3620e42b22f2052ec5f930519881a3b7e2dd1afbd0931d1696d99e516466314b90aa217a

Download Submit
\Users\Public\name.exe
Filesize
249KB

MD5
f020e4ab9dacdc83e6b1a4537b5338bc

SHA1
2006686a3a91ed7892cffc9b1bc68c57d59118b3

SHA256
3290889312a146f7ed60102439cb580f84057c98c530c31cae7461b2764f5ad4

SHA512
b959b9b3cebd08a09dddad4933be828a3ce4d45269d64121cb2009898e2cc0508fd36ee7b3bb1dc00ed32ca7071d59a0173b3d17ac88184b8a083ef64820585a

Download Submit
memory/836-85-0x0000000000000000-mapping.dmp

Download
memory/912-83-0x00000000000F0000-0x00000000000FB000-memory.dmp

Filesize
44KB

Download
memory/912-88-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/912-86-0x0000000001F20000-0x0000000002223000-memory.dmp

Filesize
3.0MB

Download
memory/912-84-0x0000000000090000-0x00000000000BC000-memory.dmp

Filesize
176KB

Download
memory/912-81-0x0000000000000000-mapping.dmp

Download
memory/912-87-0x0000000001D90000-0x0000000001E20000-memory.dmp

Filesize
576KB

Download
memory/1112-58-0x00000000760D1000-0x00000000760D3000-memory.dmp

Filesize
8KB

Download
memory/1112-54-0x000000002F9A1000-0x000000002F9A4000-memory.dmp

Filesize
12KB

Download
memory/1112-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1112-76-0x000000006D0C1000-0x000000006D0C3000-memory.dmp

Filesize
8KB

Download
memory/1112-69-0x000000006CCD1000-0x000000006CCD3000-memory.dmp

Filesize
8KB

Download
memory/1112-55-0x0000000071AC1000-0x0000000071AC3000-memory.dmp

Filesize
8KB

Download
memory/1112-93-0x0000000072AAD000-0x0000000072AB8000-memory.dmp

Filesize
44KB

Download
memory/1112-57-0x0000000072AAD000-0x0000000072AB8000-memory.dmp

Filesize
44KB

Download
memory/1112-92-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1112-82-0x0000000072AAD000-0x0000000072AB8000-memory.dmp

Filesize
44KB

Download
memory/1208-80-0x0000000007370000-0x00000000074D8000-memory.dmp

Filesize
1.4MB

Download
memory/1208-89-0x0000000006C10000-0x0000000006D2E000-memory.dmp

Filesize
1.1MB

Download
memory/1208-90-0x0000000006C10000-0x0000000006D2E000-memory.dmp

Filesize
1.1MB

Download
memory/1568-67-0x0000000000000000-mapping.dmp

Download
memory/1624-74-0x000000000041FF10-mapping.dmp

Download
memory/1624-78-0x0000000000730000-0x0000000000A33000-memory.dmp

Filesize
3.0MB

Download
memory/1624-79-0x0000000000340000-0x0000000000351000-memory.dmp

Filesize
68KB

Download
memory/1624-77-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1796-63-0x0000000000000000-mapping.dmp

Download
memory/1844-60-0x0000000000000000-mapping.dmp

Download