xloader | 89f4f79ac4d11f9d5edc1db5526dbc6705c528b3a48d7c103906be084bf91b23

General

Target

tmp/89f4f79ac4d11f9d5edc1db5526dbc6705c528b3a48d7c103906be084bf91b23.xls
Size

229KB
MD5

cacad265519e30042811c7a30dcda471
SHA1

b82bafb6fbf9d10439bdfa9282df77aa6bfc9fdc
SHA256

89f4f79ac4d11f9d5edc1db5526dbc6705c528b3a48d7c103906be084bf91b23
SHA512

f29d90114eed77e4b0cf4753d2302e419b156161ea02812c29c78a102a443c07d0b6e9fba227439f44bc87473e601ccd5f768ec9629e8de985f0281e21745658

Score

10^/10

xloader ef6c loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

ef6c

C2

http://www.fis.photos/ef6c/

Decoy

gicaredocs.com

govusergroup.com

conversationspit.com

brondairy.com

rjtherealest.com

xn--9m1bq8wgkag3rjvb.com

mylori.net

softandcute.store

ahljsm.com

shacksolid.com

weekendmusecollection.com

gaminghallarna.net

pgonline111.online

44mpt.xyz

ambrandt.com

eddytattoo.com

blendeqes.com

upinmyfeels.com

lacucinadesign.com

docomoau.xyz

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1196-71-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1196-72-0x000000000041D3D0-mapping.dmp	xloader
behavioral1/memory/896-81-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 988 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1880 vbc.exe
1196 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

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

Scripting
T1064

flow	pid	process
4	988	EQNEDT32.EXE

pid	process
1880	vbc.exe
1196	vbc.exe

pid	process
988	EQNEDT32.EXE
988	EQNEDT32.EXE
988	EQNEDT32.EXE
988	EQNEDT32.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.execmmon32.exe

description	pid	process	target process
PID 1880 set thread context of 1196	1880	vbc.exe	vbc.exe
PID 1196 set thread context of 1408	1196	vbc.exe	Explorer.EXE
PID 896 set thread context of 1408	896	cmmon32.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

988 EQNEDT32.EXE

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

pid	process
988	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\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-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	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 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	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\shell	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 MHTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\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	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 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\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 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\command	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\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\shell	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	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1212 EXCEL.EXE

pid	process
1212	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

vbc.execmmon32.exe

pid	process
1196	vbc.exe
1196	vbc.exe
896	cmmon32.exe
896	cmmon32.exe
896	cmmon32.exe
896	cmmon32.exe
896	cmmon32.exe
896	cmmon32.exe
896	cmmon32.exe
896	cmmon32.exe
896	cmmon32.exe
896	cmmon32.exe
896	cmmon32.exe
896	cmmon32.exe
896	cmmon32.exe
896	cmmon32.exe
896	cmmon32.exe
896	cmmon32.exe
896	cmmon32.exe
896	cmmon32.exe
896	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1408 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.execmmon32.exe

pid process

1196 vbc.exe
1196 vbc.exe
1196 vbc.exe
896 cmmon32.exe
896 cmmon32.exe

pid	process
1408	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

vbc.execmmon32.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1196	vbc.exe
Token: SeDebugPrivilege	896	cmmon32.exe
Token: SeShutdownPrivilege	1408	Explorer.EXE
Token: SeShutdownPrivilege	1408	Explorer.EXE
Token: SeShutdownPrivilege	1408	Explorer.EXE
Token: SeShutdownPrivilege	1408	Explorer.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

EXCEL.EXE

pid process

1212 EXCEL.EXE
1212 EXCEL.EXE
1212 EXCEL.EXE
1212 EXCEL.EXE

pid	process
1212	EXCEL.EXE
1212	EXCEL.EXE
1212	EXCEL.EXE
1212	EXCEL.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 988 wrote to memory of 1880	988	EQNEDT32.EXE	vbc.exe
PID 988 wrote to memory of 1880	988	EQNEDT32.EXE	vbc.exe
PID 988 wrote to memory of 1880	988	EQNEDT32.EXE	vbc.exe
PID 988 wrote to memory of 1880	988	EQNEDT32.EXE	vbc.exe
PID 1880 wrote to memory of 1196	1880	vbc.exe	vbc.exe
PID 1880 wrote to memory of 1196	1880	vbc.exe	vbc.exe
PID 1880 wrote to memory of 1196	1880	vbc.exe	vbc.exe
PID 1880 wrote to memory of 1196	1880	vbc.exe	vbc.exe
PID 1880 wrote to memory of 1196	1880	vbc.exe	vbc.exe
PID 1880 wrote to memory of 1196	1880	vbc.exe	vbc.exe
PID 1880 wrote to memory of 1196	1880	vbc.exe	vbc.exe
PID 1408 wrote to memory of 896	1408	Explorer.EXE	cmmon32.exe
PID 1408 wrote to memory of 896	1408	Explorer.EXE	cmmon32.exe
PID 1408 wrote to memory of 896	1408	Explorer.EXE	cmmon32.exe
PID 1408 wrote to memory of 896	1408	Explorer.EXE	cmmon32.exe
PID 896 wrote to memory of 1956	896	cmmon32.exe	cmd.exe
PID 896 wrote to memory of 1956	896	cmmon32.exe	cmd.exe
PID 896 wrote to memory of 1956	896	cmmon32.exe	cmd.exe
PID 896 wrote to memory of 1956	896	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1408

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\89f4f79ac4d11f9d5edc1db5526dbc6705c528b3a48d7c103906be084bf91b23.xls
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1212

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:896

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1956

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:988

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1880

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:1196

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

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Public\vbc.exe
MD5
290f5b81ba88a8699e9ebd35075f8a49

SHA1
fad9a5952517ded62e0839b4cc99a9ba2e9b2ac4

SHA256
7403345ae9b5f3c9a0fdffbf0ae365c3995f7a05acb2d000bfcbf4a8ff6a6515

SHA512
6e5a3c544d043f8e68b3156ae6789eaae496ec60be810cb5eafc4cdbb2a63e711c2da4a268ff72ef271bd6bcd5c23b5ca7cdbbc96635ffe8bb63d0956bf72b09

Download Submit
C:\Users\Public\vbc.exe
MD5
290f5b81ba88a8699e9ebd35075f8a49

SHA1
fad9a5952517ded62e0839b4cc99a9ba2e9b2ac4

SHA256
7403345ae9b5f3c9a0fdffbf0ae365c3995f7a05acb2d000bfcbf4a8ff6a6515

SHA512
6e5a3c544d043f8e68b3156ae6789eaae496ec60be810cb5eafc4cdbb2a63e711c2da4a268ff72ef271bd6bcd5c23b5ca7cdbbc96635ffe8bb63d0956bf72b09

Download Submit
C:\Users\Public\vbc.exe
MD5
290f5b81ba88a8699e9ebd35075f8a49

SHA1
fad9a5952517ded62e0839b4cc99a9ba2e9b2ac4

SHA256
7403345ae9b5f3c9a0fdffbf0ae365c3995f7a05acb2d000bfcbf4a8ff6a6515

SHA512
6e5a3c544d043f8e68b3156ae6789eaae496ec60be810cb5eafc4cdbb2a63e711c2da4a268ff72ef271bd6bcd5c23b5ca7cdbbc96635ffe8bb63d0956bf72b09

Download Submit
\Users\Public\vbc.exe
MD5
290f5b81ba88a8699e9ebd35075f8a49

SHA1
fad9a5952517ded62e0839b4cc99a9ba2e9b2ac4

SHA256
7403345ae9b5f3c9a0fdffbf0ae365c3995f7a05acb2d000bfcbf4a8ff6a6515

SHA512
6e5a3c544d043f8e68b3156ae6789eaae496ec60be810cb5eafc4cdbb2a63e711c2da4a268ff72ef271bd6bcd5c23b5ca7cdbbc96635ffe8bb63d0956bf72b09

Download Submit
\Users\Public\vbc.exe
MD5
290f5b81ba88a8699e9ebd35075f8a49

SHA1
fad9a5952517ded62e0839b4cc99a9ba2e9b2ac4

SHA256
7403345ae9b5f3c9a0fdffbf0ae365c3995f7a05acb2d000bfcbf4a8ff6a6515

SHA512
6e5a3c544d043f8e68b3156ae6789eaae496ec60be810cb5eafc4cdbb2a63e711c2da4a268ff72ef271bd6bcd5c23b5ca7cdbbc96635ffe8bb63d0956bf72b09

Download Submit
\Users\Public\vbc.exe
MD5
290f5b81ba88a8699e9ebd35075f8a49

SHA1
fad9a5952517ded62e0839b4cc99a9ba2e9b2ac4

SHA256
7403345ae9b5f3c9a0fdffbf0ae365c3995f7a05acb2d000bfcbf4a8ff6a6515

SHA512
6e5a3c544d043f8e68b3156ae6789eaae496ec60be810cb5eafc4cdbb2a63e711c2da4a268ff72ef271bd6bcd5c23b5ca7cdbbc96635ffe8bb63d0956bf72b09

Download Submit
\Users\Public\vbc.exe
MD5
290f5b81ba88a8699e9ebd35075f8a49

SHA1
fad9a5952517ded62e0839b4cc99a9ba2e9b2ac4

SHA256
7403345ae9b5f3c9a0fdffbf0ae365c3995f7a05acb2d000bfcbf4a8ff6a6515

SHA512
6e5a3c544d043f8e68b3156ae6789eaae496ec60be810cb5eafc4cdbb2a63e711c2da4a268ff72ef271bd6bcd5c23b5ca7cdbbc96635ffe8bb63d0956bf72b09

Download Submit
memory/896-82-0x0000000002070000-0x0000000002373000-memory.dmp

Filesize
3.0MB

Download
memory/896-80-0x0000000000C60000-0x0000000000C6D000-memory.dmp

Filesize
52KB

Download
memory/896-84-0x0000000000880000-0x0000000000910000-memory.dmp

Filesize
576KB

Download
memory/896-81-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/896-78-0x0000000000000000-mapping.dmp

Download
memory/988-56-0x0000000076C91000-0x0000000076C93000-memory.dmp

Filesize
8KB

Download
memory/1196-75-0x00000000009D0000-0x0000000000CD3000-memory.dmp

Filesize
3.0MB

Download
memory/1196-69-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1196-70-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1196-71-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1196-72-0x000000000041D3D0-mapping.dmp

Download
memory/1196-76-0x0000000000200000-0x0000000000211000-memory.dmp

Filesize
68KB

Download
memory/1212-55-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1212-85-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1212-53-0x000000002F8D1000-0x000000002F8D4000-memory.dmp

Filesize
12KB

Download
memory/1212-54-0x0000000071C21000-0x0000000071C23000-memory.dmp

Filesize
8KB

Download
memory/1408-77-0x0000000006A40000-0x0000000006B2F000-memory.dmp

Filesize
956KB

Download
memory/1408-86-0x00000000072C0000-0x00000000073FF000-memory.dmp

Filesize
1.2MB

Download
memory/1880-64-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1880-61-0x0000000000000000-mapping.dmp

Download
memory/1880-66-0x0000000004D70000-0x0000000004D71000-memory.dmp

Filesize
4KB

Download
memory/1880-68-0x00000000080E0000-0x00000000081F6000-memory.dmp

Filesize
1.1MB

Download
memory/1880-67-0x00000000004A0000-0x00000000004A7000-memory.dmp

Filesize
28KB

Download
memory/1956-79-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads