neshta | 4e32bec63d6c3bd84610060a50c7bffb89a7e19c2d41953b613d20f3d74dba2d

Modify Existing Service

T1031

Processes:

samp-npc.exesamp-npc.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	samp-npc.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

Change Default File Association

T1042

Processes:

samp-npc.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	samp-npc.exe

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality

UAC bypass 3 TTPs 2 IoCs

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry

Processes:

samp-npc.exesamp-npc.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	samp-npc.exe

Windows security bypass 2 TTPs 12 IoCs

Disabling Security Tools

Modify Registry

Processes:

samp-npc.exesamp-npc.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	samp-npc.exe

Executes dropped EXE 1 IoCs

Processes:

samp-npc.exe

pid process

2036 samp-npc.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral10/memory/2036-60-0x0000000001F30000-0x0000000002FBE000-memory.dmp	upx
behavioral10/memory/2036-64-0x0000000001F30000-0x0000000002FBE000-memory.dmp	upx
behavioral10/memory/1932-68-0x0000000002B40000-0x0000000003BCE000-memory.dmp	upx

Loads dropped DLL 3 IoCs

Processes:

samp-npc.exe

pid process

1932 samp-npc.exe
1932 samp-npc.exe
1932 samp-npc.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1932	samp-npc.exe
1932	samp-npc.exe
1932	samp-npc.exe

Windows security modification 2 TTPs 14 IoCs

Disabling Security Tools

Modify Registry

Processes:

samp-npc.exesamp-npc.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	samp-npc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	samp-npc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	samp-npc.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

samp-npc.exesamp-npc.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	samp-npc.exe

Enumerates connected drives 3 TTPs 21 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

samp-npc.exe

description	ioc	process
File opened (read-only)	\??\Q:	samp-npc.exe
File opened (read-only)	\??\U:	samp-npc.exe
File opened (read-only)	\??\X:	samp-npc.exe
File opened (read-only)	\??\Z:	samp-npc.exe
File opened (read-only)	\??\G:	samp-npc.exe
File opened (read-only)	\??\L:	samp-npc.exe
File opened (read-only)	\??\O:	samp-npc.exe
File opened (read-only)	\??\J:	samp-npc.exe
File opened (read-only)	\??\K:	samp-npc.exe
File opened (read-only)	\??\N:	samp-npc.exe
File opened (read-only)	\??\R:	samp-npc.exe
File opened (read-only)	\??\Y:	samp-npc.exe
File opened (read-only)	\??\E:	samp-npc.exe
File opened (read-only)	\??\F:	samp-npc.exe
File opened (read-only)	\??\I:	samp-npc.exe
File opened (read-only)	\??\V:	samp-npc.exe
File opened (read-only)	\??\W:	samp-npc.exe
File opened (read-only)	\??\P:	samp-npc.exe
File opened (read-only)	\??\S:	samp-npc.exe
File opened (read-only)	\??\T:	samp-npc.exe
File opened (read-only)	\??\H:	samp-npc.exe

Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media
T1091

Processes:

samp-npc.exe

description ioc process

File opened for modification C:\autorun.inf samp-npc.exe

description	ioc	process
File opened for modification	C:\autorun.inf	samp-npc.exe

Drops file in Program Files directory 64 IoCs

Processes:

samp-npc.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	samp-npc.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	samp-npc.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	samp-npc.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	samp-npc.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	samp-npc.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	samp-npc.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	samp-npc.exe

Drops file in Windows directory 2 IoCs

Processes:

samp-npc.exesamp-npc.exe

description ioc process

File opened for modification C:\Windows\svchost.com samp-npc.exe
File opened for modification C:\Windows\SYSTEM.INI samp-npc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\svchost.com	samp-npc.exe
File opened for modification	C:\Windows\SYSTEM.INI	samp-npc.exe

Modifies registry class 1 IoCs

Processes:

samp-npc.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	samp-npc.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

samp-npc.exesamp-npc.exe

pid	process
2036	samp-npc.exe
1932	samp-npc.exe
1932	samp-npc.exe
1932	samp-npc.exe
1932	samp-npc.exe
1932	samp-npc.exe
1932	samp-npc.exe
1932	samp-npc.exe
1932	samp-npc.exe

Suspicious use of AdjustPrivilegeToken 40 IoCs

Processes:

samp-npc.exesamp-npc.exe

description	pid	process
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	2036	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe
Token: SeDebugPrivilege	1932	samp-npc.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

samp-npc.exesamp-npc.exe

description	pid	process	target process
PID 1932 wrote to memory of 2036	1932	samp-npc.exe	samp-npc.exe
PID 1932 wrote to memory of 2036	1932	samp-npc.exe	samp-npc.exe
PID 1932 wrote to memory of 2036	1932	samp-npc.exe	samp-npc.exe
PID 1932 wrote to memory of 2036	1932	samp-npc.exe	samp-npc.exe
PID 2036 wrote to memory of 1156	2036	samp-npc.exe	taskhost.exe
PID 2036 wrote to memory of 1228	2036	samp-npc.exe	Dwm.exe
PID 2036 wrote to memory of 1256	2036	samp-npc.exe	Explorer.EXE
PID 2036 wrote to memory of 1932	2036	samp-npc.exe	samp-npc.exe
PID 2036 wrote to memory of 1932	2036	samp-npc.exe	samp-npc.exe
PID 2036 wrote to memory of 1768	2036	samp-npc.exe	conhost.exe
PID 1932 wrote to memory of 1156	1932	samp-npc.exe	taskhost.exe
PID 1932 wrote to memory of 1228	1932	samp-npc.exe	Dwm.exe
PID 1932 wrote to memory of 1256	1932	samp-npc.exe	Explorer.EXE
PID 1932 wrote to memory of 1156	1932	samp-npc.exe	taskhost.exe
PID 1932 wrote to memory of 1228	1932	samp-npc.exe	Dwm.exe
PID 1932 wrote to memory of 1256	1932	samp-npc.exe	Explorer.EXE
PID 1932 wrote to memory of 1156	1932	samp-npc.exe	taskhost.exe
PID 1932 wrote to memory of 1228	1932	samp-npc.exe	Dwm.exe
PID 1932 wrote to memory of 1256	1932	samp-npc.exe	Explorer.EXE
PID 1932 wrote to memory of 1156	1932	samp-npc.exe	taskhost.exe
PID 1932 wrote to memory of 1228	1932	samp-npc.exe	Dwm.exe
PID 1932 wrote to memory of 1256	1932	samp-npc.exe	Explorer.EXE
PID 1932 wrote to memory of 1156	1932	samp-npc.exe	taskhost.exe
PID 1932 wrote to memory of 1228	1932	samp-npc.exe	Dwm.exe
PID 1932 wrote to memory of 1256	1932	samp-npc.exe	Explorer.EXE
PID 1932 wrote to memory of 1156	1932	samp-npc.exe	taskhost.exe
PID 1932 wrote to memory of 1228	1932	samp-npc.exe	Dwm.exe
PID 1932 wrote to memory of 1256	1932	samp-npc.exe	Explorer.EXE
PID 1932 wrote to memory of 1156	1932	samp-npc.exe	taskhost.exe
PID 1932 wrote to memory of 1228	1932	samp-npc.exe	Dwm.exe
PID 1932 wrote to memory of 1256	1932	samp-npc.exe	Explorer.EXE
PID 1932 wrote to memory of 1156	1932	samp-npc.exe	taskhost.exe
PID 1932 wrote to memory of 1228	1932	samp-npc.exe	Dwm.exe
PID 1932 wrote to memory of 1256	1932	samp-npc.exe	Explorer.EXE

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

samp-npc.exesamp-npc.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	samp-npc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	samp-npc.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1156

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1228

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1256

C:\Users\Admin\AppData\Local\Temp\samp-npc.exe
"C:\Users\Admin\AppData\Local\Temp\samp-npc.exe"
2⤵
- Modifies firewall policy service
- Modifies system executable filetype association
- UAC bypass
- Windows security bypass
- Loads dropped DLL
- Windows security modification
- Checks whether UAC is enabled
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1932

C:\Users\Admin\AppData\Local\Temp\3582-490\samp-npc.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\samp-npc.exe"
3⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2036

C:\Windows\system32\conhost.exe
\??\C:\Windows\system32\conhost.exe "1534490390-1401835681-5805828371978415027494939609530693522138043534-251906749"
1⤵
PID:1768

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Modify Existing Service

T1031

Change Default File Association

T1042

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Modify Registry

Bypass User Account Control

T1088

Disabling Security Tools