38717c0c2faaef092871aa61ab7038288974c4b54f6172a5b0d3f22a6cacd505

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\WOW64 Emulator = "\"C:\\ProgramData\\WOW64\\csrss.exe\""	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

Windows Service

T1543.003

pid	Process
4508	netsh.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

Hidden Files and Directories

T1564.001

pid	Process
2012	attrib.exe
608	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
464	csrss.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WOW64 Emulator = "\"C:\\ProgramData\\WOW64\\csrss.exe\""	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\NEAS.c3d1abc76f2262a1f009849492fd0f80.exe.log	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe
File created	C:\Windows\SysWOW64\WOW64 Emulator.url	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 6 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	csrss.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
728	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe
728	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	728	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe
Token: SeDebugPrivilege	780	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe
Token: SeDebugPrivilege	464	csrss.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 780 wrote to memory of 2908	780	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe	95
PID 780 wrote to memory of 2908	780	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe	95
PID 780 wrote to memory of 2908	780	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe	95
PID 2908 wrote to memory of 2012	2908	cmd.exe	97
PID 2908 wrote to memory of 2012	2908	cmd.exe	97
PID 2908 wrote to memory of 2012	2908	cmd.exe	97
PID 780 wrote to memory of 892	780	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe	98
PID 780 wrote to memory of 892	780	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe	98
PID 780 wrote to memory of 892	780	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe	98
PID 892 wrote to memory of 608	892	cmd.exe	100
PID 892 wrote to memory of 608	892	cmd.exe	100
PID 892 wrote to memory of 608	892	cmd.exe	100
PID 780 wrote to memory of 4508	780	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe	102
PID 780 wrote to memory of 4508	780	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe	102
PID 780 wrote to memory of 4508	780	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe	102
PID 780 wrote to memory of 464	780	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe	104
PID 780 wrote to memory of 464	780	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe	104
PID 780 wrote to memory of 464	780	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe	104

System policy modification 1 TTPs 1 IoCs

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	NEAS.c3d1abc76f2262a1f009849492fd0f80.exe

Views/modifies file attributes 1 TTPs 2 IoCs

Hidden Files and Directories

T1564.001

pid	Process
2012	attrib.exe
608	attrib.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.c3d1abc76f2262a1f009849492fd0f80.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.c3d1abc76f2262a1f009849492fd0f80.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:728
- C:\Users\Admin\AppData\Local\Temp\NEAS.c3d1abc76f2262a1f009849492fd0f80.exe
  C:\Users\Admin\AppData\Local\Temp\NEAS.c3d1abc76f2262a1f009849492fd0f80.exe
  2⤵
  - UAC bypass
  - Adds policy Run key to start application
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:780
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c attrib +s +h +r C:\ProgramData\JRE
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2908
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +s +h +r C:\ProgramData\JRE
      4⤵
      Sets file to hidden
      Views/modifies file attributes
      PID:2012
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c attrib +s +h +r C:\ProgramData\WOW64
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:892
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +s +h +r C:\ProgramData\WOW64
      4⤵
      Sets file to hidden
      Views/modifies file attributes
      PID:608
- - C:\Windows\SysWOW64\netsh.exe
    "netsh.exe" advfirewall firewall add rule name="WOW64 Emulator" dir=in action=allowdescription="Windows Component" program="C:\ProgramData\WOW64\csrss.exe" enable=yes
    3⤵
    - Modifies Windows Firewall
    PID:4508
- - C:\ProgramData\WOW64\csrss.exe
    "C:\ProgramData\WOW64\csrss.exe"
    3⤵
    - Executes dropped EXE
    - Modifies data under HKEY_USERS
    - Suspicious use of AdjustPrivilegeToken
    PID:464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery