xpertrat | 0f4e7faf833c30ed300efa46b4b1d083523d48ec2864f110d2a2d5b47eb67a72

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

tmp.exesvhost.exe

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

Windows security bypass 2 TTPs 2 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

svhost.exetmp.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	svhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	tmp.exe

XpertRAT
XpertRAT is a remote access trojan with various capabilities.
rat xpertrat

XpertRAT Core payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2384-44-0x0000000000400000-0x0000000000443000-memory.dmp	xpertrat

Drops startup file 1 IoCs

Processes:

2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\name.exe.lnk	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

tmp.exesvhost.exe

pid process

2568 tmp.exe
2936 svhost.exe

pid	process
2568	tmp.exe
2936	svhost.exe

Loads dropped DLL 5 IoCs

Processes:

2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exetmp.exe

pid	process
2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe
2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe
2568	tmp.exe
2568	tmp.exe
2568	tmp.exe

Windows security modification 2 TTPs 2 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

svhost.exetmp.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	svhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	tmp.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

Processes:

tmp.exesvhost.exe

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

Suspicious use of SetThreadContext 3 IoCs

Processes:

2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exesvhost.exetmp.exe

description	pid	process	target process
PID 2264 set thread context of 2936	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	svhost.exe
PID 2936 set thread context of 2384	2936	svhost.exe	iexplore.exe
PID 2568 set thread context of 2496	2568	tmp.exe	iexplore.exe

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

System Information Discovery
T1082
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2504 timeout.exe
NTFS ADS 1 IoCs

Processes:

cmd.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\FolderN\name.exe:Zone.Identifier cmd.exe

pid	process
2504	timeout.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\FolderN\name.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exetmp.exesvhost.exe

pid	process
2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe
2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe
2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe
2568	tmp.exe
2568	tmp.exe
2936	svhost.exe
2936	svhost.exe
2568	tmp.exe
2568	tmp.exe
2936	svhost.exe
2936	svhost.exe
2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exeiexplore.exe

description	pid	process
Token: SeDebugPrivilege	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe
Token: 33	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe
Token: SeDebugPrivilege	2384	iexplore.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

svhost.exetmp.exeiexplore.exe

pid process

2936 svhost.exe
2568 tmp.exe
2384 iexplore.exe

pid	process
2936	svhost.exe
2568	tmp.exe
2384	iexplore.exe

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.execmd.exetmp.exesvhost.execmd.exe

description	pid	process	target process
PID 2264 wrote to memory of 2692	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 2692	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 2692	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 2692	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	cmd.exe
PID 2692 wrote to memory of 2564	2692	cmd.exe	reg.exe
PID 2692 wrote to memory of 2564	2692	cmd.exe	reg.exe
PID 2692 wrote to memory of 2564	2692	cmd.exe	reg.exe
PID 2692 wrote to memory of 2564	2692	cmd.exe	reg.exe
PID 2264 wrote to memory of 2568	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	tmp.exe
PID 2264 wrote to memory of 2568	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	tmp.exe
PID 2264 wrote to memory of 2568	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	tmp.exe
PID 2264 wrote to memory of 2568	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	tmp.exe
PID 2264 wrote to memory of 2568	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	tmp.exe
PID 2264 wrote to memory of 2568	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	tmp.exe
PID 2264 wrote to memory of 2568	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	tmp.exe
PID 2264 wrote to memory of 2936	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	svhost.exe
PID 2264 wrote to memory of 2936	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	svhost.exe
PID 2264 wrote to memory of 2936	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	svhost.exe
PID 2264 wrote to memory of 2936	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	svhost.exe
PID 2264 wrote to memory of 2936	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	svhost.exe
PID 2264 wrote to memory of 2936	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	svhost.exe
PID 2264 wrote to memory of 2936	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	svhost.exe
PID 2264 wrote to memory of 2936	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	svhost.exe
PID 2264 wrote to memory of 1724	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 1724	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 1724	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	cmd.exe
PID 2264 wrote to memory of 1724	2264	2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe	cmd.exe
PID 2568 wrote to memory of 2496	2568	tmp.exe	iexplore.exe
PID 2568 wrote to memory of 2496	2568	tmp.exe	iexplore.exe
PID 2568 wrote to memory of 2496	2568	tmp.exe	iexplore.exe
PID 2568 wrote to memory of 2496	2568	tmp.exe	iexplore.exe
PID 2568 wrote to memory of 2496	2568	tmp.exe	iexplore.exe
PID 2568 wrote to memory of 2496	2568	tmp.exe	iexplore.exe
PID 2568 wrote to memory of 2496	2568	tmp.exe	iexplore.exe
PID 2568 wrote to memory of 2496	2568	tmp.exe	iexplore.exe
PID 2568 wrote to memory of 2496	2568	tmp.exe	iexplore.exe
PID 2568 wrote to memory of 2496	2568	tmp.exe	iexplore.exe
PID 2568 wrote to memory of 2496	2568	tmp.exe	iexplore.exe
PID 2936 wrote to memory of 2384	2936	svhost.exe	iexplore.exe
PID 2936 wrote to memory of 2384	2936	svhost.exe	iexplore.exe
PID 2936 wrote to memory of 2384	2936	svhost.exe	iexplore.exe
PID 2936 wrote to memory of 2384	2936	svhost.exe	iexplore.exe
PID 2936 wrote to memory of 2384	2936	svhost.exe	iexplore.exe
PID 2936 wrote to memory of 2384	2936	svhost.exe	iexplore.exe
PID 2936 wrote to memory of 2384	2936	svhost.exe	iexplore.exe
PID 2936 wrote to memory of 2384	2936	svhost.exe	iexplore.exe
PID 2936 wrote to memory of 2384	2936	svhost.exe	iexplore.exe
PID 2568 wrote to memory of 2496	2568	tmp.exe	iexplore.exe
PID 1724 wrote to memory of 2504	1724	cmd.exe	timeout.exe
PID 1724 wrote to memory of 2504	1724	cmd.exe	timeout.exe
PID 1724 wrote to memory of 2504	1724	cmd.exe	timeout.exe
PID 1724 wrote to memory of 2504	1724	cmd.exe	timeout.exe

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

Processes:

svhost.exetmp.exe

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

C:\Users\Admin\AppData\Local\Temp\2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2578debd234465c8aa7bcdf53bc3858a_JaffaCakes118.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2264

C:\Windows\SysWOW64\cmd.exe
"cmd.exe"
2⤵
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:2692

C:\Windows\SysWOW64\reg.exe
reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\FolderN\name.exe.lnk" /f
3⤵
PID:2564

C:\Users\Admin\AppData\Roaming\tmp.exe
"C:\Users\Admin\AppData\Roaming\tmp.exe"
2⤵
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2568

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Roaming\tmp.exe
3⤵
PID:2496

C:\Users\Admin\AppData\Local\Temp\svhost.exe
"C:\Users\Admin\AppData\Local\Temp\svhost.exe"
2⤵
- UAC bypass
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2936

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\svhost.exe
3⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2384

C:\Windows\SysWOW64\cmd.exe
cmd /c C:\Users\Admin\AppData\Roaming\FolderN\name.exe.bat
2⤵
- Suspicious use of WriteProcessMemory
PID:1724

C:\Windows\SysWOW64\timeout.exe
timeout /t 300
3⤵
- Delays execution with timeout.exe
PID:2504

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control