cybergate | ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6

Modify Existing Service

T1031

Processes:

server.exeserver.exeserver.exe

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

Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality

UAC bypass 3 TTPs 3 IoCs

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry

Processes:

server.exeserver.exeserver.exe

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

Windows security bypass 2 TTPs 18 IoCs

Disabling Security Tools

Modify Registry

Processes:

server.exeserver.exeserver.exe

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

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

Processes:

server.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\system32\\install\\server.exe"	server.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\system32\\install\\server.exe"	server.exe

Executes dropped EXE 3 IoCs

Processes:

server.exeserver.exeserver.exe

pid process

1992 server.exe
648 server.exe
1112 server.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

Processes:

server.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{S7J54P5A-N7HR-W041-R4Y1-720VMVOBTP21}	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{S7J54P5A-N7HR-W041-R4Y1-720VMVOBTP21}\StubPath = "C:\\Windows\\system32\\install\\server.exe Restart"	server.exe

UPX packed file 31 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe	upx
\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe	upx
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe	upx
\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe	upx
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe	upx
behavioral1/memory/1992-62-0x0000000002000000-0x00000000030BA000-memory.dmp	upx
behavioral1/memory/1992-65-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1992-66-0x0000000002000000-0x00000000030BA000-memory.dmp	upx
\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe	upx
behavioral1/memory/1992-69-0x0000000024010000-0x0000000024072000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe	upx
\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe	upx
behavioral1/memory/1992-78-0x0000000024080000-0x00000000240E2000-memory.dmp	upx
behavioral1/memory/648-83-0x0000000024080000-0x00000000240E2000-memory.dmp	upx
behavioral1/memory/1992-84-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1992-85-0x0000000002000000-0x00000000030BA000-memory.dmp	upx
behavioral1/memory/648-87-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/648-88-0x0000000024080000-0x00000000240E2000-memory.dmp	upx
C:\Windows\SysWOW64\install\server.exe	upx
\Windows\SysWOW64\install\server.exe	upx
\Windows\SysWOW64\install\server.exe	upx
C:\Windows\SysWOW64\install\server.exe	upx
\Windows\SysWOW64\install\server.exe	upx
behavioral1/memory/1112-97-0x0000000002260000-0x000000000331A000-memory.dmp	upx
behavioral1/memory/1112-100-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1112-101-0x0000000002260000-0x000000000331A000-memory.dmp	upx
behavioral1/memory/1112-104-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1112-105-0x0000000002260000-0x000000000331A000-memory.dmp	upx
behavioral1/memory/648-106-0x0000000005640000-0x00000000066FA000-memory.dmp	upx
behavioral1/memory/648-107-0x0000000024080000-0x00000000240E2000-memory.dmp	upx
behavioral1/memory/648-110-0x0000000005640000-0x00000000066FA000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

server.exe

pid process

648 server.exe

pid	process
648	server.exe

Loads dropped DLL 8 IoCs

Processes:

ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exeserver.exeserver.exeserver.exe

pid	process
1708	ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exe
1708	ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exe
1992	server.exe
1992	server.exe
648	server.exe
648	server.exe
648	server.exe
1112	server.exe

Windows security modification 2 TTPs 21 IoCs

Disabling Security Tools

Modify Registry

Processes:

server.exeserver.exeserver.exe

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

Processes:

ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce	ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

System Information Discovery

T1082

Processes:

server.exeserver.exeserver.exe

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

Enumerates connected drives 3 TTPs 22 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:

server.exe

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

server.exe

description ioc process

File opened for modification C:\autorun.inf server.exe

description	ioc	process
File opened for modification	C:\autorun.inf	server.exe

Drops file in System32 directory 2 IoCs

Processes:

server.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\install\server.exe	server.exe
File created	C:\Windows\SysWOW64\install\server.exe	server.exe

Drops file in Program Files directory 4 IoCs

Processes:

server.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	server.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	server.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	server.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	server.exe

Drops file in Windows directory 4 IoCs

Processes:

server.exeserver.exeserver.exe

description	ioc	process
File created	C:\Windows\6c90fa	server.exe
File created	C:\Windows\6c583f	server.exe
File opened for modification	C:\Windows\SYSTEM.INI	server.exe
File created	C:\Windows\6c66b0	server.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

server.exeserver.exeserver.exe

pid	process
1992	server.exe
1992	server.exe
1112	server.exe
648	server.exe
648	server.exe
648	server.exe
648	server.exe
648	server.exe
648	server.exe
648	server.exe
648	server.exe
648	server.exe
648	server.exe
648	server.exe
648	server.exe
648	server.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

server.exe

pid process

648 server.exe

pid	process
648	server.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

Processes:

server.exeserver.exe

description	pid	process
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	1992	server.exe
Token: SeDebugPrivilege	648	server.exe
Token: SeDebugPrivilege	648	server.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exeserver.exe

description	pid	process	target process
PID 1708 wrote to memory of 1992	1708	ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exe	server.exe
PID 1708 wrote to memory of 1992	1708	ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exe	server.exe
PID 1708 wrote to memory of 1992	1708	ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exe	server.exe
PID 1708 wrote to memory of 1992	1708	ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exe	server.exe
PID 1708 wrote to memory of 1992	1708	ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exe	server.exe
PID 1708 wrote to memory of 1992	1708	ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exe	server.exe
PID 1708 wrote to memory of 1992	1708	ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exe	server.exe
PID 1992 wrote to memory of 1260	1992	server.exe	taskhost.exe
PID 1992 wrote to memory of 1364	1992	server.exe	Dwm.exe
PID 1992 wrote to memory of 1420	1992	server.exe	Explorer.EXE
PID 1992 wrote to memory of 1708	1992	server.exe	ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exe
PID 1992 wrote to memory of 1708	1992	server.exe	ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe
PID 1992 wrote to memory of 1632	1992	server.exe	iexplore.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

Processes:

server.exeserver.exeserver.exe

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

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1260

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1420

C:\Users\Admin\AppData\Local\Temp\ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exe
"C:\Users\Admin\AppData\Local\Temp\ce35e95486dde2d4a87963f40aa887c3885ce5ec73d8f9ea73e6aef7fa3a15c6.exe"
2⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1708

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe
3⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Adds policy Run key to start application
- Executes dropped EXE
- Modifies Installed Components in the registry
- Loads dropped DLL
- Windows security modification
- Checks whether UAC is enabled
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1992

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
4⤵
PID:1632

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe
"C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe"
4⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Deletes itself
- 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
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:648

C:\Windows\SysWOW64\install\server.exe
"C:\Windows\system32\install\server.exe"
5⤵
- Modifies firewall policy service
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- Checks whether UAC is enabled
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- System policy modification
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1364

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry