ramnit | 8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.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

T1089

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe

Windows security bypass 2 TTPs 6 IoCs

Disabling Security Tools

T1089

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2036-55-0x00000000022D0000-0x000000000335E000-memory.dmp	upx
behavioral1/memory/2036-58-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral1/memory/2036-59-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral1/memory/2036-62-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral1/memory/2036-64-0x0000000000400000-0x0000000000436000-memory.dmp	upx
behavioral1/memory/2036-65-0x00000000022D0000-0x000000000335E000-memory.dmp	upx

Loads dropped DLL 2 IoCs

pid	Process
2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe

Windows security modification 2 TTPs 7 IoCs

Disabling Security Tools

T1089

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UacDisableNotify = "1"	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\Svc	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.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"	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SYSTEM.INI	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

description	pid	Process
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
Token: SeDebugPrivilege	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 1132	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe	18
PID 2036 wrote to memory of 1176	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe	19
PID 2036 wrote to memory of 1200	2036	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe	21

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"	8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1132

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.exe
  "C:\Users\Admin\AppData\Local\Temp\8c58e89c7846424e0caa09dc671309bb8f6baab978297d077081349e2c4769bb.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 Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2036
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:1688

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

System Information Discovery