ramnit | 26e5b7d451e82364234a5c5fd4947a2b6e4235cb507d6249932d0755e68df317

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,C:\\Users\\Admin\\AppData\\Local\\vxashvwe\\eerfrygu.exe"	svchost.exe

Modifies firewall policy service 3 TTPs 6 IoCs

defense_evasion

Modify Registry

Windows Service

Disable or Modify System Firewall

T1562.004

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

Modifies security service 2 TTPs 8 IoCs

defense_evasion

Modify Registry

Windows Service

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\Start = "4"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Start = "4"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	vjmatbib.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\WinDefend\Start = "4"	vjmatbib.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4"	vjmatbib.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\MpsSvc\Start = "4"	vjmatbib.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	svchost.exe

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
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Ramnit family
ramnit

UAC bypass 3 TTPs 2 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

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

Windows security bypass 2 TTPs 12 IoCs

Disable or Modify Tools

Modify Registry

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

Drops startup file 2 IoCs

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

Executes dropped EXE 3 IoCs

pid	Process
636	uVoPhHEgm
1372	vjmatbib.exe
2384	vjmatbib.exe

Loads dropped DLL 6 IoCs

pid	Process
2072	rundll32.exe
2072	rundll32.exe
636	uVoPhHEgm
636	uVoPhHEgm
1984	cmd.exe
1984	cmd.exe

Windows security modification 2 TTPs 6 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	vjmatbib.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	vjmatbib.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	vjmatbib.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	vjmatbib.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	vjmatbib.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	vjmatbib.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\EerFrygu = "C:\\Users\\Admin\\AppData\\Local\\vxashvwe\\eerfrygu.exe"	svchost.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"	vjmatbib.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vjmatbib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uVoPhHEgm
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2880	svchost.exe
2880	svchost.exe
2384	vjmatbib.exe
2384	vjmatbib.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe
2880	svchost.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
468	Process not Found

Suspicious use of AdjustPrivilegeToken 12 IoCs

description	pid	Process
Token: SeSecurityPrivilege	636	uVoPhHEgm
Token: SeDebugPrivilege	636	uVoPhHEgm
Token: SeSecurityPrivilege	3016	svchost.exe
Token: SeSecurityPrivilege	2880	svchost.exe
Token: SeDebugPrivilege	2880	svchost.exe
Token: SeDebugPrivilege	2880	svchost.exe
Token: SeRestorePrivilege	2880	svchost.exe
Token: SeBackupPrivilege	2880	svchost.exe
Token: SeDebugPrivilege	2880	svchost.exe
Token: SeSecurityPrivilege	1372	vjmatbib.exe
Token: SeSecurityPrivilege	2384	vjmatbib.exe
Token: SeLoadDriverPrivilege	2384	vjmatbib.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 2072	2396	rundll32.exe	29
PID 2396 wrote to memory of 2072	2396	rundll32.exe	29
PID 2396 wrote to memory of 2072	2396	rundll32.exe	29
PID 2396 wrote to memory of 2072	2396	rundll32.exe	29
PID 2396 wrote to memory of 2072	2396	rundll32.exe	29
PID 2396 wrote to memory of 2072	2396	rundll32.exe	29
PID 2396 wrote to memory of 2072	2396	rundll32.exe	29
PID 2072 wrote to memory of 636	2072	rundll32.exe	30
PID 2072 wrote to memory of 636	2072	rundll32.exe	30
PID 2072 wrote to memory of 636	2072	rundll32.exe	30
PID 2072 wrote to memory of 636	2072	rundll32.exe	30
PID 636 wrote to memory of 3016	636	uVoPhHEgm	31
PID 636 wrote to memory of 3016	636	uVoPhHEgm	31
PID 636 wrote to memory of 3016	636	uVoPhHEgm	31
PID 636 wrote to memory of 3016	636	uVoPhHEgm	31
PID 636 wrote to memory of 3016	636	uVoPhHEgm	31
PID 636 wrote to memory of 3016	636	uVoPhHEgm	31
PID 636 wrote to memory of 3016	636	uVoPhHEgm	31
PID 636 wrote to memory of 3016	636	uVoPhHEgm	31
PID 636 wrote to memory of 3016	636	uVoPhHEgm	31
PID 636 wrote to memory of 3016	636	uVoPhHEgm	31
PID 636 wrote to memory of 3016	636	uVoPhHEgm	31
PID 636 wrote to memory of 2880	636	uVoPhHEgm	32
PID 636 wrote to memory of 2880	636	uVoPhHEgm	32
PID 636 wrote to memory of 2880	636	uVoPhHEgm	32
PID 636 wrote to memory of 2880	636	uVoPhHEgm	32
PID 636 wrote to memory of 2880	636	uVoPhHEgm	32
PID 636 wrote to memory of 2880	636	uVoPhHEgm	32
PID 636 wrote to memory of 2880	636	uVoPhHEgm	32
PID 636 wrote to memory of 2880	636	uVoPhHEgm	32
PID 636 wrote to memory of 2880	636	uVoPhHEgm	32
PID 636 wrote to memory of 2880	636	uVoPhHEgm	32
PID 636 wrote to memory of 2880	636	uVoPhHEgm	32
PID 636 wrote to memory of 1372	636	uVoPhHEgm	33
PID 636 wrote to memory of 1372	636	uVoPhHEgm	33
PID 636 wrote to memory of 1372	636	uVoPhHEgm	33
PID 636 wrote to memory of 1372	636	uVoPhHEgm	33
PID 1372 wrote to memory of 1984	1372	vjmatbib.exe	34
PID 1372 wrote to memory of 1984	1372	vjmatbib.exe	34
PID 1372 wrote to memory of 1984	1372	vjmatbib.exe	34
PID 1372 wrote to memory of 1984	1372	vjmatbib.exe	34
PID 1984 wrote to memory of 2384	1984	cmd.exe	36
PID 1984 wrote to memory of 2384	1984	cmd.exe	36
PID 1984 wrote to memory of 2384	1984	cmd.exe	36
PID 1984 wrote to memory of 2384	1984	cmd.exe	36

System policy modification 1 TTPs 1 IoCs

defense_evasion

Modify Registry

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

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_051209722262ed16380e025b103fd110.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_051209722262ed16380e025b103fd110.dll,#1
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2072
- - C:\Users\Admin\AppData\Local\Temp\uVoPhHEgm
    "uVoPhHEgm"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:636
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:3016
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      4⤵
      Modifies WinLogon for persistence
      Modifies firewall policy service
      Modifies security service
      UAC bypass
      Windows security bypass
      Drops startup file
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2880
  - - C:\Users\Admin\AppData\Local\Temp\vjmatbib.exe
      "C:\Users\Admin\AppData\Local\Temp\vjmatbib.exe" elevate
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1372
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\vjmatbib.exe"" admin
        5⤵
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1984
      - C:\Users\Admin\AppData\Local\Temp\vjmatbib.exe
        
        "C:\Users\Admin\AppData\Local\Temp\vjmatbib.exe" admin
        6⤵
        Modifies firewall policy service
        Modifies security service
        UAC bypass
        Windows security bypass
        Executes dropped EXE
        Windows security modification
        Checks whether UAC is enabled
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        System policy modification
        
        PID:2384

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

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

Modify Registry