formbook | 54167fce5b8273b4a21f9da96c32113ebe3e5831f51aebad3ae1e97d5165f263

General

Target

Payment Advise.xlsx
Size

337KB
MD5

2a2774f89f6ac878975ef5227cc8a92b
SHA1

bfbfd645fed06b7598bfe1f583d0ba04ad943b29
SHA256

54167fce5b8273b4a21f9da96c32113ebe3e5831f51aebad3ae1e97d5165f263
SHA512

58faad098728b89d6e99ee6e240846b04a35047e317791a47905cd2a6117a487e9ae9a6ab6d33d1405c6be4e7cdc71b18c512929c92ed3910b8554ffe13e929d

Score

10^/10

formbook kzk9 rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kzk9

C2

http://www.yourmajordomo.com/kzk9/

Decoy

tianconghuo.club

1996-page.com

ourtownmax.net

conservativetreehose.com

synth.repair

donnachicacreperia.com

tentfull.com

weapp.download

surfersink.com

gattlebusinessservices.com

sebastian249.com

anhphuc.company

betternatureproducts.net

defroplate.com

seattlesquidsquad.com

polarjob.com

lendingadvantage.com

angelsondope.com

goportjitney.com

tiendagrupojagr.com

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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1740-74-0x000000000041EB80-mapping.dmp	formbook
behavioral1/memory/1740-73-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1740-80-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1760-85-0x00000000001D0000-0x00000000001FE000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 1056 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1836 vbc.exe
1740 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

1056 EQNEDT32.EXE
1056 EQNEDT32.EXE
1056 EQNEDT32.EXE
1056 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
4	1056	EQNEDT32.EXE

pid	process
1836	vbc.exe
1740	vbc.exe

pid	process
1056	EQNEDT32.EXE
1056	EQNEDT32.EXE
1056	EQNEDT32.EXE
1056	EQNEDT32.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exe

description	pid	process	target process
PID 1836 set thread context of 1740	1836	vbc.exe	vbc.exe
PID 1740 set thread context of 1216	1740	vbc.exe	Explorer.EXE
PID 1740 set thread context of 1216	1740	vbc.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

1056 EQNEDT32.EXE

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

pid	process
1056	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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\edit\COMMAND	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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	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\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 (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	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	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	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 HTML Editor	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\edit\COMMAND	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	EXCEL.EXE
Set value (str)	\REGISTRY\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1048 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

vbc.exevbc.exe

pid process

1836 vbc.exe
1836 vbc.exe
1836 vbc.exe
1836 vbc.exe
1836 vbc.exe
1836 vbc.exe
1836 vbc.exe
1740 vbc.exe
1740 vbc.exe
1740 vbc.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1216 Explorer.EXE
Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

vbc.exe

pid process

1740 vbc.exe
1740 vbc.exe
1740 vbc.exe
1740 vbc.exe

pid	process
1048	EXCEL.EXE

pid	process
1836	vbc.exe
1836	vbc.exe
1836	vbc.exe
1836	vbc.exe
1836	vbc.exe
1836	vbc.exe
1836	vbc.exe
1740	vbc.exe
1740	vbc.exe
1740	vbc.exe

pid	process
1216	Explorer.EXE

pid	process
1740	vbc.exe
1740	vbc.exe
1740	vbc.exe
1740	vbc.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

vbc.exevbc.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1836	vbc.exe
Token: SeDebugPrivilege	1740	vbc.exe
Token: SeShutdownPrivilege	1216	Explorer.EXE
Token: SeShutdownPrivilege	1216	Explorer.EXE
Token: SeShutdownPrivilege	1216	Explorer.EXE
Token: SeShutdownPrivilege	1216	Explorer.EXE
Token: SeShutdownPrivilege	1216	Explorer.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1048 EXCEL.EXE
1048 EXCEL.EXE
1048 EXCEL.EXE

pid	process
1048	EXCEL.EXE
1048	EXCEL.EXE
1048	EXCEL.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXE

description	pid	process	target process
PID 1056 wrote to memory of 1836	1056	EQNEDT32.EXE	vbc.exe
PID 1056 wrote to memory of 1836	1056	EQNEDT32.EXE	vbc.exe
PID 1056 wrote to memory of 1836	1056	EQNEDT32.EXE	vbc.exe
PID 1056 wrote to memory of 1836	1056	EQNEDT32.EXE	vbc.exe
PID 1836 wrote to memory of 1740	1836	vbc.exe	vbc.exe
PID 1836 wrote to memory of 1740	1836	vbc.exe	vbc.exe
PID 1836 wrote to memory of 1740	1836	vbc.exe	vbc.exe
PID 1836 wrote to memory of 1740	1836	vbc.exe	vbc.exe
PID 1836 wrote to memory of 1740	1836	vbc.exe	vbc.exe
PID 1836 wrote to memory of 1740	1836	vbc.exe	vbc.exe
PID 1836 wrote to memory of 1740	1836	vbc.exe	vbc.exe
PID 1216 wrote to memory of 1760	1216	Explorer.EXE	cmd.exe
PID 1216 wrote to memory of 1760	1216	Explorer.EXE	cmd.exe
PID 1216 wrote to memory of 1760	1216	Explorer.EXE	cmd.exe
PID 1216 wrote to memory of 1760	1216	Explorer.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1216

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\Payment Advise.xlsx"
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1048

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\SysWOW64\cmd.exe"
2⤵
PID:1760

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1616

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:1056

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:1836

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:1740

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

Loading Replay Monitor...

Downloads

C:\Users\Public\vbc.exe
MD5
7b57c26a8208756f37e8df8331f94610

SHA1
bfb4a9e25f36ade44b084706da30c3f305d65609

SHA256
0cf11de8a0ce67a46203ae419f2aa7bb988ae3088dc4f33158dccc55b97e4a7d

SHA512
28aa1f10114bec29af3b55aaa17146f5f7daf6814891269c06545a0627bcedf19130b7e5454f2cbdf370525b272e2e6d6ec04c09bcc540903c482e4473025b7f

Download Submit
C:\Users\Public\vbc.exe
MD5
7b57c26a8208756f37e8df8331f94610

SHA1
bfb4a9e25f36ade44b084706da30c3f305d65609

SHA256
0cf11de8a0ce67a46203ae419f2aa7bb988ae3088dc4f33158dccc55b97e4a7d

SHA512
28aa1f10114bec29af3b55aaa17146f5f7daf6814891269c06545a0627bcedf19130b7e5454f2cbdf370525b272e2e6d6ec04c09bcc540903c482e4473025b7f

Download Submit
C:\Users\Public\vbc.exe
MD5
7b57c26a8208756f37e8df8331f94610

SHA1
bfb4a9e25f36ade44b084706da30c3f305d65609

SHA256
0cf11de8a0ce67a46203ae419f2aa7bb988ae3088dc4f33158dccc55b97e4a7d

SHA512
28aa1f10114bec29af3b55aaa17146f5f7daf6814891269c06545a0627bcedf19130b7e5454f2cbdf370525b272e2e6d6ec04c09bcc540903c482e4473025b7f

Download Submit
\Users\Public\vbc.exe
MD5
7b57c26a8208756f37e8df8331f94610

SHA1
bfb4a9e25f36ade44b084706da30c3f305d65609

SHA256
0cf11de8a0ce67a46203ae419f2aa7bb988ae3088dc4f33158dccc55b97e4a7d

SHA512
28aa1f10114bec29af3b55aaa17146f5f7daf6814891269c06545a0627bcedf19130b7e5454f2cbdf370525b272e2e6d6ec04c09bcc540903c482e4473025b7f

Download Submit
\Users\Public\vbc.exe
MD5
7b57c26a8208756f37e8df8331f94610

SHA1
bfb4a9e25f36ade44b084706da30c3f305d65609

SHA256
0cf11de8a0ce67a46203ae419f2aa7bb988ae3088dc4f33158dccc55b97e4a7d

SHA512
28aa1f10114bec29af3b55aaa17146f5f7daf6814891269c06545a0627bcedf19130b7e5454f2cbdf370525b272e2e6d6ec04c09bcc540903c482e4473025b7f

Download Submit
\Users\Public\vbc.exe
MD5
7b57c26a8208756f37e8df8331f94610

SHA1
bfb4a9e25f36ade44b084706da30c3f305d65609

SHA256
0cf11de8a0ce67a46203ae419f2aa7bb988ae3088dc4f33158dccc55b97e4a7d

SHA512
28aa1f10114bec29af3b55aaa17146f5f7daf6814891269c06545a0627bcedf19130b7e5454f2cbdf370525b272e2e6d6ec04c09bcc540903c482e4473025b7f

Download Submit
\Users\Public\vbc.exe
MD5
7b57c26a8208756f37e8df8331f94610

SHA1
bfb4a9e25f36ade44b084706da30c3f305d65609

SHA256
0cf11de8a0ce67a46203ae419f2aa7bb988ae3088dc4f33158dccc55b97e4a7d

SHA512
28aa1f10114bec29af3b55aaa17146f5f7daf6814891269c06545a0627bcedf19130b7e5454f2cbdf370525b272e2e6d6ec04c09bcc540903c482e4473025b7f

Download Submit
memory/1048-86-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1048-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1048-55-0x0000000071051000-0x0000000071053000-memory.dmp

Filesize
8KB

Download
memory/1048-54-0x000000002F211000-0x000000002F214000-memory.dmp

Filesize
12KB

Download
memory/1056-57-0x00000000755A1000-0x00000000755A3000-memory.dmp

Filesize
8KB

Download
memory/1216-82-0x0000000007490000-0x00000000075F0000-memory.dmp

Filesize
1.4MB

Download
memory/1216-79-0x0000000007320000-0x000000000748F000-memory.dmp

Filesize
1.4MB

Download
memory/1740-78-0x00000000001C0000-0x00000000001D4000-memory.dmp

Filesize
80KB

Download
memory/1740-81-0x0000000000210000-0x0000000000224000-memory.dmp

Filesize
80KB

Download
memory/1740-72-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1740-74-0x000000000041EB80-mapping.dmp

Download
memory/1740-73-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1740-71-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1740-77-0x0000000000870000-0x0000000000B73000-memory.dmp

Filesize
3.0MB

Download
memory/1740-80-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1760-83-0x0000000000000000-mapping.dmp

Download
memory/1760-84-0x0000000049FD0000-0x000000004A01C000-memory.dmp

Filesize
304KB

Download
memory/1760-85-0x00000000001D0000-0x00000000001FE000-memory.dmp

Filesize
184KB

Download
memory/1836-68-0x0000000000C40000-0x0000000000C41000-memory.dmp

Filesize
4KB

Download
memory/1836-69-0x00000000005A0000-0x00000000005A5000-memory.dmp

Filesize
20KB

Download
memory/1836-70-0x00000000050C0000-0x0000000005134000-memory.dmp

Filesize
464KB

Download
memory/1836-65-0x00000000013A0000-0x00000000013A1000-memory.dmp

Filesize
4KB

Download
memory/1836-62-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads