6e4e941227544101b4c717b4231758f4d6a7589de40a9120a3c72c19eaa6a0f2

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	NEAS.5a387559ea6345848e315ab5e27a2300.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.5a387559ea6345848e315ab5e27a2300.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\WOW64 Emulator = "\"C:\\ProgramData\\WOW64\\csrss.exe\""	NEAS.5a387559ea6345848e315ab5e27a2300.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

Windows Service

T1543.003

pid	Process
1488	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
3524	attrib.exe
4376	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
3820	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.5a387559ea6345848e315ab5e27a2300.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.5a387559ea6345848e315ab5e27a2300.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	NEAS.5a387559ea6345848e315ab5e27a2300.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WOW64 Emulator.url	NEAS.5a387559ea6345848e315ab5e27a2300.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\NEAS.5a387559ea6345848e315ab5e27a2300.exe.log	NEAS.5a387559ea6345848e315ab5e27a2300.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.5a387559ea6345848e315ab5e27a2300.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	NEAS.5a387559ea6345848e315ab5e27a2300.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	NEAS.5a387559ea6345848e315ab5e27a2300.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	NEAS.5a387559ea6345848e315ab5e27a2300.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.5a387559ea6345848e315ab5e27a2300.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4980	NEAS.5a387559ea6345848e315ab5e27a2300.exe
4980	NEAS.5a387559ea6345848e315ab5e27a2300.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4980	NEAS.5a387559ea6345848e315ab5e27a2300.exe
Token: SeDebugPrivilege	876	NEAS.5a387559ea6345848e315ab5e27a2300.exe
Token: SeDebugPrivilege	3820	csrss.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 3932	876	NEAS.5a387559ea6345848e315ab5e27a2300.exe	93
PID 876 wrote to memory of 3932	876	NEAS.5a387559ea6345848e315ab5e27a2300.exe	93
PID 876 wrote to memory of 3932	876	NEAS.5a387559ea6345848e315ab5e27a2300.exe	93
PID 3932 wrote to memory of 3524	3932	cmd.exe	95
PID 3932 wrote to memory of 3524	3932	cmd.exe	95
PID 3932 wrote to memory of 3524	3932	cmd.exe	95
PID 876 wrote to memory of 4516	876	NEAS.5a387559ea6345848e315ab5e27a2300.exe	96
PID 876 wrote to memory of 4516	876	NEAS.5a387559ea6345848e315ab5e27a2300.exe	96
PID 876 wrote to memory of 4516	876	NEAS.5a387559ea6345848e315ab5e27a2300.exe	96
PID 4516 wrote to memory of 4376	4516	cmd.exe	98
PID 4516 wrote to memory of 4376	4516	cmd.exe	98
PID 4516 wrote to memory of 4376	4516	cmd.exe	98
PID 876 wrote to memory of 1488	876	NEAS.5a387559ea6345848e315ab5e27a2300.exe	99
PID 876 wrote to memory of 1488	876	NEAS.5a387559ea6345848e315ab5e27a2300.exe	99
PID 876 wrote to memory of 1488	876	NEAS.5a387559ea6345848e315ab5e27a2300.exe	99
PID 876 wrote to memory of 3820	876	NEAS.5a387559ea6345848e315ab5e27a2300.exe	101
PID 876 wrote to memory of 3820	876	NEAS.5a387559ea6345848e315ab5e27a2300.exe	101
PID 876 wrote to memory of 3820	876	NEAS.5a387559ea6345848e315ab5e27a2300.exe	101

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.5a387559ea6345848e315ab5e27a2300.exe

Views/modifies file attributes 1 TTPs 2 IoCs

Hidden Files and Directories

T1564.001

pid	Process
3524	attrib.exe
4376	attrib.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.5a387559ea6345848e315ab5e27a2300.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.5a387559ea6345848e315ab5e27a2300.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4980
- C:\Users\Admin\AppData\Local\Temp\NEAS.5a387559ea6345848e315ab5e27a2300.exe
  C:\Users\Admin\AppData\Local\Temp\NEAS.5a387559ea6345848e315ab5e27a2300.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:876
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c attrib +s +h +r C:\ProgramData\JRE
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3932
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +s +h +r C:\ProgramData\JRE
      4⤵
      Sets file to hidden
      Views/modifies file attributes
      PID:3524
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c attrib +s +h +r C:\ProgramData\WOW64
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4516
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +s +h +r C:\ProgramData\WOW64
      4⤵
      Sets file to hidden
      Views/modifies file attributes
      PID:4376
- - 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:1488
- - C:\ProgramData\WOW64\csrss.exe
    "C:\ProgramData\WOW64\csrss.exe"
    3⤵
    - Executes dropped EXE
    - Modifies data under HKEY_USERS
    - Suspicious use of AdjustPrivilegeToken
    PID:3820

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