ramnit | 8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,,C:\\Users\\Admin\\AppData\\Local\\nqrijbov\\vwjuteyx.exe"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

Windows Service

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe

Modifies security service 2 TTPs 3 IoCs

evasion

Modify Registry

Windows Service

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\mpssvc\Start = "4"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit

UAC bypass 3 TTPs 1 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe

Windows security bypass 2 TTPs 6 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vwjuteyx.exe	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vwjuteyx.exe	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/680-4-0x0000000015190000-0x00000000151CD000-memory.dmp	upx
behavioral2/memory/680-7-0x0000000015190000-0x0000000015213000-memory.dmp	upx
behavioral2/memory/680-8-0x0000000015190000-0x00000000151CD000-memory.dmp	upx

Windows security modification 2 TTPs 6 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VwjUteyx = "C:\\Users\\Admin\\AppData\\Local\\nqrijbov\\vwjuteyx.exe"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3496	680	WerFault.exe	81

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
680	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe
680	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe
680	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe
680	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSecurityPrivilege	680	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe

C:\Users\Admin\AppData\Local\Temp\8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe
"C:\Users\Admin\AppData\Local\Temp\8e110382fff23d9810a99c1679d072e68b781d1df344e3a6b4233f1cb62057fd.exe"
1⤵
- Modifies WinLogon for persistence
- Modifies firewall policy service
- Modifies security service
- UAC bypass
- Windows security bypass
- Drops startup file
- Windows security modification
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:680
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 680 -s 612
  2⤵
  - Program crash
  PID:3496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 680 -ip 680
1⤵
PID:1756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

3

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery