neshta | 1a24bd8a5dbb7292e5b2bc2a9d3958eed8a1a3107f4e07e5ad0031f626a708a9

Analysis

max time kernel
128s
max time network
122s
platform
windows7_x64
resource
win7-en-20210920
submitted
29-10-2021 16:54

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General

Target

new order sheet 0016.xlsx
Size

486KB
MD5

15c9dee0549b0ace548890de44acd781
SHA1

bce6ac3620d2f7ebcff5b153da84a8acc188461c
SHA256

1a24bd8a5dbb7292e5b2bc2a9d3958eed8a1a3107f4e07e5ad0031f626a708a9
SHA512

8d8445c90e6aed78d632e06532cbc5b2c30c01eb09b231337cb7485ac9569f585e99f9f2fd71b61eb74c000996656fbed628304d26f934ddba4382b374ba9ce9

Score

10^/10

neshta persistence spyware suricata

Malware Config

Signatures

Detect Neshta Payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1908-66-0x0000000000000000-mapping.dmp	family_neshta
behavioral1/memory/1908-68-0x00000000001C0000-0x00000000001DB000-memory.dmp	family_neshta

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
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
Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

4 1404 EQNEDT32.EXE
Downloads MZ/PE file
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

1484 vbc.exe
1908 vbc.exe
Loads dropped DLL 7 IoCs

Processes:

EQNEDT32.EXEvbc.exeWerFault.exe

pid process

1404 EQNEDT32.EXE
1404 EQNEDT32.EXE
1404 EQNEDT32.EXE
1484 vbc.exe
1416 WerFault.exe
1416 WerFault.exe
1416 WerFault.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1416 1908 WerFault.exe vbc.exe

flow	pid	process
4	1404	EQNEDT32.EXE

pid	process
1484	vbc.exe
1908	vbc.exe

pid	process
1404	EQNEDT32.EXE
1404	EQNEDT32.EXE
1404	EQNEDT32.EXE
1484	vbc.exe
1416	WerFault.exe
1416	WerFault.exe
1416	WerFault.exe

pid	pid_target	process	target process
1416	1908	WerFault.exe	vbc.exe

NSIS installer 18 IoCs

installer

Processes:

resource	yara_rule
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_2
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_2
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_2
C:\Users\Public\vbc.exe	nsis_installer_1
C:\Users\Public\vbc.exe	nsis_installer_2
C:\Users\Public\vbc.exe	nsis_installer_1
C:\Users\Public\vbc.exe	nsis_installer_2
C:\Users\Public\vbc.exe	nsis_installer_1
C:\Users\Public\vbc.exe	nsis_installer_2
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_2
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_2
\Users\Public\vbc.exe	nsis_installer_1
\Users\Public\vbc.exe	nsis_installer_2

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

1404 EQNEDT32.EXE

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

pid	process
1404	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\edit\COMMAND	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	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\shell\edit	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\MenuExt	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 created	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	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 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 HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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 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	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	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\Toolbar	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	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 MHTML Editor\shell	EXCEL.EXE
Key created	\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\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 MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML 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 Publisher\shell\edit	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\MSPub.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit	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}	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\ShellEx	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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 (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Publisher\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\ = "&Print"	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\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shellex\IconHandler	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft 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\MSPub.exe	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Print	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\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\MSPub.exe\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList	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\Microsoft Word\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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\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\.mht\OpenWithList\WinWord.exe\shell\edit\ = "&Open"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\MSPUB.EXE\" %1"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\DefaultIcon\ = "\"%1\""	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel	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	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\command	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\WinWord.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec\topic\ = "system"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec	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\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Old Icon\htmlfile	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1168 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

WerFault.exe

pid process

1416 WerFault.exe
1416 WerFault.exe
1416 WerFault.exe
1416 WerFault.exe
1416 WerFault.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

1416 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1416 WerFault.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

EXCEL.EXE

pid process

1168 EXCEL.EXE
1168 EXCEL.EXE
1168 EXCEL.EXE
1168 EXCEL.EXE
1168 EXCEL.EXE
1168 EXCEL.EXE
1168 EXCEL.EXE

pid	process
1168	EXCEL.EXE

pid	process
1416	WerFault.exe
1416	WerFault.exe
1416	WerFault.exe
1416	WerFault.exe
1416	WerFault.exe

pid	process
1416	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1416	WerFault.exe

pid	process
1168	EXCEL.EXE
1168	EXCEL.EXE
1168	EXCEL.EXE
1168	EXCEL.EXE
1168	EXCEL.EXE
1168	EXCEL.EXE
1168	EXCEL.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

EQNEDT32.EXEvbc.exevbc.exe

description	pid	process	target process
PID 1404 wrote to memory of 1484	1404	EQNEDT32.EXE	vbc.exe
PID 1404 wrote to memory of 1484	1404	EQNEDT32.EXE	vbc.exe
PID 1404 wrote to memory of 1484	1404	EQNEDT32.EXE	vbc.exe
PID 1404 wrote to memory of 1484	1404	EQNEDT32.EXE	vbc.exe
PID 1484 wrote to memory of 1908	1484	vbc.exe	vbc.exe
PID 1484 wrote to memory of 1908	1484	vbc.exe	vbc.exe
PID 1484 wrote to memory of 1908	1484	vbc.exe	vbc.exe
PID 1484 wrote to memory of 1908	1484	vbc.exe	vbc.exe
PID 1484 wrote to memory of 1908	1484	vbc.exe	vbc.exe
PID 1484 wrote to memory of 1908	1484	vbc.exe	vbc.exe
PID 1484 wrote to memory of 1908	1484	vbc.exe	vbc.exe
PID 1484 wrote to memory of 1908	1484	vbc.exe	vbc.exe
PID 1484 wrote to memory of 1908	1484	vbc.exe	vbc.exe
PID 1484 wrote to memory of 1908	1484	vbc.exe	vbc.exe
PID 1484 wrote to memory of 1908	1484	vbc.exe	vbc.exe
PID 1484 wrote to memory of 1908	1484	vbc.exe	vbc.exe
PID 1484 wrote to memory of 1908	1484	vbc.exe	vbc.exe
PID 1484 wrote to memory of 1908	1484	vbc.exe	vbc.exe
PID 1908 wrote to memory of 1416	1908	vbc.exe	WerFault.exe
PID 1908 wrote to memory of 1416	1908	vbc.exe	WerFault.exe
PID 1908 wrote to memory of 1416	1908	vbc.exe	WerFault.exe
PID 1908 wrote to memory of 1416	1908	vbc.exe	WerFault.exe

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\new order sheet 0016.xlsx"
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1168

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:1404

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1484

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1908 -s 148
4⤵
- Loads dropped DLL
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1416

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

T1203

Scripting

T1064

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Public\vbc.exe
MD5
781932d5e3cf1b9e902ee2ea8c48f572

SHA1
70a244d771d7cfa61b2fa3d2a0ac386ea2bf0393

SHA256
afbae06f0ec7939e039a47b7579a98f269eca1be5625e7343267cf4bbb0d5709

SHA512
ba05f74a081a6e4fc12b4c00f388da141bdfa61074ecf379421cdcc72d6f546e6067e07877332e3456bf27a3b17d5549ade76b04cbf2de2753f39fbdf31082bc

Download Submit
C:\Users\Public\vbc.exe
MD5
781932d5e3cf1b9e902ee2ea8c48f572

SHA1
70a244d771d7cfa61b2fa3d2a0ac386ea2bf0393

SHA256
afbae06f0ec7939e039a47b7579a98f269eca1be5625e7343267cf4bbb0d5709

SHA512
ba05f74a081a6e4fc12b4c00f388da141bdfa61074ecf379421cdcc72d6f546e6067e07877332e3456bf27a3b17d5549ade76b04cbf2de2753f39fbdf31082bc

Download Submit
C:\Users\Public\vbc.exe
MD5
781932d5e3cf1b9e902ee2ea8c48f572

SHA1
70a244d771d7cfa61b2fa3d2a0ac386ea2bf0393

SHA256
afbae06f0ec7939e039a47b7579a98f269eca1be5625e7343267cf4bbb0d5709

SHA512
ba05f74a081a6e4fc12b4c00f388da141bdfa61074ecf379421cdcc72d6f546e6067e07877332e3456bf27a3b17d5549ade76b04cbf2de2753f39fbdf31082bc

Download Submit
\Users\Admin\AppData\Local\Temp\nst1C0A.tmp\azxcktqvoyc.dll
MD5
26ffa4722b447fff084a239b44f7cac9

SHA1
39f7ad0bf15f3dcf6e67141108476abea370f7e3

SHA256
77aba174986d7969103ae452fd1193ccb9dc495a4579fa4b7f2939e367b33121

SHA512
118068c79e021899abeeb9a17e548b9887af536fc9b8a9a35358ef85980d31fc5192f989a4d5d1a3826c63882888cdc10ac3c5f3918a4172bbf547643ff75532

Download Submit
\Users\Public\vbc.exe
MD5
781932d5e3cf1b9e902ee2ea8c48f572

SHA1
70a244d771d7cfa61b2fa3d2a0ac386ea2bf0393

SHA256
afbae06f0ec7939e039a47b7579a98f269eca1be5625e7343267cf4bbb0d5709

SHA512
ba05f74a081a6e4fc12b4c00f388da141bdfa61074ecf379421cdcc72d6f546e6067e07877332e3456bf27a3b17d5549ade76b04cbf2de2753f39fbdf31082bc

Download Submit
\Users\Public\vbc.exe
MD5
781932d5e3cf1b9e902ee2ea8c48f572

SHA1
70a244d771d7cfa61b2fa3d2a0ac386ea2bf0393

SHA256
afbae06f0ec7939e039a47b7579a98f269eca1be5625e7343267cf4bbb0d5709

SHA512
ba05f74a081a6e4fc12b4c00f388da141bdfa61074ecf379421cdcc72d6f546e6067e07877332e3456bf27a3b17d5549ade76b04cbf2de2753f39fbdf31082bc

Download Submit
\Users\Public\vbc.exe
MD5
781932d5e3cf1b9e902ee2ea8c48f572

SHA1
70a244d771d7cfa61b2fa3d2a0ac386ea2bf0393

SHA256
afbae06f0ec7939e039a47b7579a98f269eca1be5625e7343267cf4bbb0d5709

SHA512
ba05f74a081a6e4fc12b4c00f388da141bdfa61074ecf379421cdcc72d6f546e6067e07877332e3456bf27a3b17d5549ade76b04cbf2de2753f39fbdf31082bc

Download Submit
\Users\Public\vbc.exe
MD5
781932d5e3cf1b9e902ee2ea8c48f572

SHA1
70a244d771d7cfa61b2fa3d2a0ac386ea2bf0393

SHA256
afbae06f0ec7939e039a47b7579a98f269eca1be5625e7343267cf4bbb0d5709

SHA512
ba05f74a081a6e4fc12b4c00f388da141bdfa61074ecf379421cdcc72d6f546e6067e07877332e3456bf27a3b17d5549ade76b04cbf2de2753f39fbdf31082bc

Download Submit
\Users\Public\vbc.exe
MD5
781932d5e3cf1b9e902ee2ea8c48f572

SHA1
70a244d771d7cfa61b2fa3d2a0ac386ea2bf0393

SHA256
afbae06f0ec7939e039a47b7579a98f269eca1be5625e7343267cf4bbb0d5709

SHA512
ba05f74a081a6e4fc12b4c00f388da141bdfa61074ecf379421cdcc72d6f546e6067e07877332e3456bf27a3b17d5549ade76b04cbf2de2753f39fbdf31082bc

Download Submit
\Users\Public\vbc.exe
MD5
781932d5e3cf1b9e902ee2ea8c48f572

SHA1
70a244d771d7cfa61b2fa3d2a0ac386ea2bf0393

SHA256
afbae06f0ec7939e039a47b7579a98f269eca1be5625e7343267cf4bbb0d5709

SHA512
ba05f74a081a6e4fc12b4c00f388da141bdfa61074ecf379421cdcc72d6f546e6067e07877332e3456bf27a3b17d5549ade76b04cbf2de2753f39fbdf31082bc

Download Submit
memory/1168-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1168-83-0x0000000005515000-0x0000000005517000-memory.dmp

Filesize
8KB

Download
memory/1168-55-0x0000000071B41000-0x0000000071B43000-memory.dmp

Filesize
8KB

Download
memory/1168-86-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1168-84-0x0000000005517000-0x000000000551A000-memory.dmp

Filesize
12KB

Download
memory/1168-82-0x0000000005510000-0x0000000005513000-memory.dmp

Filesize
12KB

Download
memory/1168-54-0x000000002F431000-0x000000002F434000-memory.dmp

Filesize
12KB

Download
memory/1404-57-0x0000000076B61000-0x0000000076B63000-memory.dmp

Filesize
8KB

Download
memory/1416-77-0x0000000000000000-mapping.dmp

Download
memory/1416-85-0x00000000003B0000-0x0000000000410000-memory.dmp

Filesize
384KB

Download
memory/1484-61-0x0000000000000000-mapping.dmp

Download
memory/1908-66-0x0000000000000000-mapping.dmp

Download
memory/1908-68-0x00000000001C0000-0x00000000001DB000-memory.dmp

Filesize
108KB

Download
memory/1908-72-0x00000000001C0000-0x00000000001DB000-memory.dmp

Filesize
108KB

Download