ramnit | 251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,c:\\program files (x86)\\microsoft\\watermark.exe"	svchost.exe

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe

Ramnit
Ramnit is a versatile family that holds viruses, worms, and Trojans.
trojan spyware stealer worm banker ramnit
Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality

UAC bypass 3 TTPs 1 IoCs

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe

Windows security bypass 2 TTPs 6 IoCs

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe

Executes dropped EXE 1 IoCs

pid	Process
2036	WaterMark.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/368-55-0x0000000001E40000-0x0000000002ECE000-memory.dmp	upx
behavioral1/memory/368-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/368-57-0x0000000001E40000-0x0000000002ECE000-memory.dmp	upx
behavioral1/files/0x0009000000014544-59.dat	upx
behavioral1/files/0x0009000000014544-60.dat	upx
behavioral1/files/0x0009000000014544-62.dat	upx
behavioral1/memory/368-63-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/368-64-0x0000000001E40000-0x0000000002ECE000-memory.dmp	upx
behavioral1/memory/2036-65-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x0009000000014544-66.dat	upx
behavioral1/memory/2036-76-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2036-144-0x0000000000400000-0x0000000000453000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe

Windows security modification 2 TTPs 7 IoCs

Disabling Security Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.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"	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dmlconf.dat	svchost.exe
File opened for modification	C:\Windows\SysWOW64\dmlconf.dat	svchost.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\px167E.tmp	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
File created	C:\Program Files (x86)\Microsoft\WaterMark.exe	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
File opened for modification	C:\Program Files (x86)\Microsoft\WaterMark.exe	svchost.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
2036	WaterMark.exe
2036	WaterMark.exe
2036	WaterMark.exe
2036	WaterMark.exe
2036	WaterMark.exe
2036	WaterMark.exe
2036	WaterMark.exe
2036	WaterMark.exe
1372	svchost.exe
1372	svchost.exe
1372	svchost.exe
1372	svchost.exe
1372	svchost.exe
1372	svchost.exe
1372	svchost.exe
1372	svchost.exe
1372	svchost.exe
1372	svchost.exe
1372	svchost.exe
1372	svchost.exe
1372	svchost.exe
1372	svchost.exe
1372	svchost.exe
1372	svchost.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
Token: SeDebugPrivilege	2036	WaterMark.exe
Token: SeDebugPrivilege	1372	svchost.exe
Token: SeDebugPrivilege	2036	WaterMark.exe
Token: SeDebugPrivilege	1896	svchost.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 368 wrote to memory of 1116	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe	18
PID 368 wrote to memory of 1176	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe	17
PID 368 wrote to memory of 1244	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe	16
PID 368 wrote to memory of 2036	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe	27
PID 368 wrote to memory of 2036	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe	27
PID 368 wrote to memory of 2036	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe	27
PID 368 wrote to memory of 2036	368	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe	27
PID 2036 wrote to memory of 1896	2036	WaterMark.exe	28
PID 2036 wrote to memory of 1896	2036	WaterMark.exe	28
PID 2036 wrote to memory of 1896	2036	WaterMark.exe	28
PID 2036 wrote to memory of 1896	2036	WaterMark.exe	28
PID 2036 wrote to memory of 1896	2036	WaterMark.exe	28
PID 2036 wrote to memory of 1896	2036	WaterMark.exe	28
PID 2036 wrote to memory of 1896	2036	WaterMark.exe	28
PID 2036 wrote to memory of 1896	2036	WaterMark.exe	28
PID 2036 wrote to memory of 1896	2036	WaterMark.exe	28
PID 2036 wrote to memory of 1896	2036	WaterMark.exe	28
PID 2036 wrote to memory of 1372	2036	WaterMark.exe	29
PID 2036 wrote to memory of 1372	2036	WaterMark.exe	29
PID 2036 wrote to memory of 1372	2036	WaterMark.exe	29
PID 2036 wrote to memory of 1372	2036	WaterMark.exe	29
PID 2036 wrote to memory of 1372	2036	WaterMark.exe	29
PID 2036 wrote to memory of 1372	2036	WaterMark.exe	29
PID 2036 wrote to memory of 1372	2036	WaterMark.exe	29
PID 2036 wrote to memory of 1372	2036	WaterMark.exe	29
PID 2036 wrote to memory of 1372	2036	WaterMark.exe	29
PID 2036 wrote to memory of 1372	2036	WaterMark.exe	29
PID 1372 wrote to memory of 260	1372	svchost.exe	7
PID 1372 wrote to memory of 260	1372	svchost.exe	7
PID 1372 wrote to memory of 260	1372	svchost.exe	7
PID 1372 wrote to memory of 260	1372	svchost.exe	7
PID 1372 wrote to memory of 260	1372	svchost.exe	7
PID 1372 wrote to memory of 336	1372	svchost.exe	6
PID 1372 wrote to memory of 336	1372	svchost.exe	6
PID 1372 wrote to memory of 336	1372	svchost.exe	6
PID 1372 wrote to memory of 336	1372	svchost.exe	6
PID 1372 wrote to memory of 336	1372	svchost.exe	6
PID 1372 wrote to memory of 372	1372	svchost.exe	5
PID 1372 wrote to memory of 372	1372	svchost.exe	5
PID 1372 wrote to memory of 372	1372	svchost.exe	5
PID 1372 wrote to memory of 372	1372	svchost.exe	5
PID 1372 wrote to memory of 372	1372	svchost.exe	5
PID 1372 wrote to memory of 384	1372	svchost.exe	4
PID 1372 wrote to memory of 384	1372	svchost.exe	4
PID 1372 wrote to memory of 384	1372	svchost.exe	4
PID 1372 wrote to memory of 384	1372	svchost.exe	4
PID 1372 wrote to memory of 384	1372	svchost.exe	4
PID 1372 wrote to memory of 420	1372	svchost.exe	3
PID 1372 wrote to memory of 420	1372	svchost.exe	3
PID 1372 wrote to memory of 420	1372	svchost.exe	3
PID 1372 wrote to memory of 420	1372	svchost.exe	3
PID 1372 wrote to memory of 420	1372	svchost.exe	3
PID 1372 wrote to memory of 464	1372	svchost.exe	2
PID 1372 wrote to memory of 464	1372	svchost.exe	2
PID 1372 wrote to memory of 464	1372	svchost.exe	2
PID 1372 wrote to memory of 464	1372	svchost.exe	2
PID 1372 wrote to memory of 464	1372	svchost.exe	2
PID 1372 wrote to memory of 480	1372	svchost.exe	1
PID 1372 wrote to memory of 480	1372	svchost.exe	1
PID 1372 wrote to memory of 480	1372	svchost.exe	1
PID 1372 wrote to memory of 480	1372	svchost.exe	1
PID 1372 wrote to memory of 480	1372	svchost.exe	1
PID 1372 wrote to memory of 488	1372	svchost.exe	8
PID 1372 wrote to memory of 488	1372	svchost.exe	8

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"	251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:480

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:464
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  PID:752
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:1068
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:1756
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:1684
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1116
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:388
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  PID:108
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  PID:868
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:844
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
  2⤵
  PID:804
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k RPCSS
  2⤵
  PID:668
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k DcomLaunch
  2⤵
  PID:584

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:420

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
PID:384

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:372
- C:\Windows\system32\lsm.exe
  C:\Windows\system32\lsm.exe
  2⤵
  PID:488

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
PID:336

C:\Windows\System32\smss.exe
\SystemRoot\System32\smss.exe
1⤵
PID:260

\\?\C:\Windows\system32\wbem\WMIADAP.EXE
wmiadap.exe /F /T /R
1⤵
PID:1796

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1244
- C:\Users\Admin\AppData\Local\Temp\251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe
  "C:\Users\Admin\AppData\Local\Temp\251002cd6ca52185f3d641d56fed6e380cc7d0d83968537725b99b881adffa5b.exe"
  2⤵
  - Modifies firewall policy service
  - UAC bypass
  - Windows security bypass
  - Loads dropped DLL
  - Windows security modification
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:368
- - C:\Program Files (x86)\Microsoft\WaterMark.exe
    "C:\Program Files (x86)\Microsoft\WaterMark.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2036
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      4⤵
      Modifies WinLogon for persistence
      Drops file in System32 directory
      Drops file in Program Files directory
      Suspicious use of AdjustPrivilegeToken
      PID:1896
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\svchost.exe
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1372

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Winlogon Helper DLL

T1004

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry