dcrat | 771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\PerfLogs\\Admin\\audiodg.exe\", \"C:\\Windows\\System32\\msdtckrm\\lsm.exe\", \"C:\\Windows\\RemotePackages\\RemoteDesktops\\csrss.exe\", \"C:\\Program Files\\Microsoft Office\\Office14\\1033\\771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe\", \"C:\\Program Files\\Common Files\\Microsoft Shared\\OfficeSoftwareProtectionPlatform\\OSPPCEXT\\OSPPSVC.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\PerfLogs\\Admin\\audiodg.exe\", \"C:\\Windows\\System32\\msdtckrm\\lsm.exe\", \"C:\\Windows\\RemotePackages\\RemoteDesktops\\csrss.exe\", \"C:\\Program Files\\Microsoft Office\\Office14\\1033\\771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe\", \"C:\\Program Files\\Common Files\\Microsoft Shared\\OfficeSoftwareProtectionPlatform\\OSPPCEXT\\OSPPSVC.exe\", \"C:\\Windows\\System32\\efslsaext\\wininit.exe\", \"C:\\MSOCache\\All Users\\{90140000-0019-0409-0000-0000000FF1CE}-C\\dllhost.exe\", \"C:\\Windows\\System32\\samlib\\smss.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\PerfLogs\\Admin\\audiodg.exe\", \"C:\\Windows\\System32\\msdtckrm\\lsm.exe\", \"C:\\Windows\\RemotePackages\\RemoteDesktops\\csrss.exe\", \"C:\\Program Files\\Microsoft Office\\Office14\\1033\\771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe\", \"C:\\Program Files\\Common Files\\Microsoft Shared\\OfficeSoftwareProtectionPlatform\\OSPPCEXT\\OSPPSVC.exe\", \"C:\\Windows\\System32\\efslsaext\\wininit.exe\", \"C:\\MSOCache\\All Users\\{90140000-0019-0409-0000-0000000FF1CE}-C\\dllhost.exe\", \"C:\\Windows\\System32\\samlib\\smss.exe\", \"C:\\Recovery\\31f19e42-8726-11ef-be9a-dab21757c799\\dllhost.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\PerfLogs\\Admin\\audiodg.exe\", \"C:\\Windows\\System32\\msdtckrm\\lsm.exe\", \"C:\\Windows\\RemotePackages\\RemoteDesktops\\csrss.exe\", \"C:\\Program Files\\Microsoft Office\\Office14\\1033\\771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe\", \"C:\\Program Files\\Common Files\\Microsoft Shared\\OfficeSoftwareProtectionPlatform\\OSPPCEXT\\OSPPSVC.exe\", \"C:\\Windows\\System32\\efslsaext\\wininit.exe\", \"C:\\MSOCache\\All Users\\{90140000-0019-0409-0000-0000000FF1CE}-C\\dllhost.exe\", \"C:\\Windows\\System32\\samlib\\smss.exe\", \"C:\\Recovery\\31f19e42-8726-11ef-be9a-dab21757c799\\dllhost.exe\", \"C:\\Windows\\System32\\pidgenx\\dwm.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\PerfLogs\\Admin\\audiodg.exe\", \"C:\\Windows\\System32\\msdtckrm\\lsm.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\PerfLogs\\Admin\\audiodg.exe\", \"C:\\Windows\\System32\\msdtckrm\\lsm.exe\", \"C:\\Windows\\RemotePackages\\RemoteDesktops\\csrss.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\PerfLogs\\Admin\\audiodg.exe\", \"C:\\Windows\\System32\\msdtckrm\\lsm.exe\", \"C:\\Windows\\RemotePackages\\RemoteDesktops\\csrss.exe\", \"C:\\Program Files\\Microsoft Office\\Office14\\1033\\771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\PerfLogs\\Admin\\audiodg.exe\", \"C:\\Windows\\System32\\msdtckrm\\lsm.exe\", \"C:\\Windows\\RemotePackages\\RemoteDesktops\\csrss.exe\", \"C:\\Program Files\\Microsoft Office\\Office14\\1033\\771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe\", \"C:\\Program Files\\Common Files\\Microsoft Shared\\OfficeSoftwareProtectionPlatform\\OSPPCEXT\\OSPPSVC.exe\", \"C:\\Windows\\System32\\efslsaext\\wininit.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\PerfLogs\\Admin\\audiodg.exe\", \"C:\\Windows\\System32\\msdtckrm\\lsm.exe\", \"C:\\Windows\\RemotePackages\\RemoteDesktops\\csrss.exe\", \"C:\\Program Files\\Microsoft Office\\Office14\\1033\\771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe\", \"C:\\Program Files\\Common Files\\Microsoft Shared\\OfficeSoftwareProtectionPlatform\\OSPPCEXT\\OSPPSVC.exe\", \"C:\\Windows\\System32\\efslsaext\\wininit.exe\", \"C:\\MSOCache\\All Users\\{90140000-0019-0409-0000-0000000FF1CE}-C\\dllhost.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\PerfLogs\\Admin\\audiodg.exe\", \"C:\\Windows\\System32\\msdtckrm\\lsm.exe\", \"C:\\Windows\\RemotePackages\\RemoteDesktops\\csrss.exe\", \"C:\\Program Files\\Microsoft Office\\Office14\\1033\\771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe\", \"C:\\Program Files\\Common Files\\Microsoft Shared\\OfficeSoftwareProtectionPlatform\\OSPPCEXT\\OSPPSVC.exe\", \"C:\\Windows\\System32\\efslsaext\\wininit.exe\", \"C:\\MSOCache\\All Users\\{90140000-0019-0409-0000-0000000FF1CE}-C\\dllhost.exe\", \"C:\\Windows\\System32\\samlib\\smss.exe\", \"C:\\Recovery\\31f19e42-8726-11ef-be9a-dab21757c799\\dllhost.exe\", \"C:\\Windows\\System32\\pidgenx\\dwm.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\SDK\\explorer.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\PerfLogs\\Admin\\audiodg.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe

Process spawned unexpected child process 11 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2656	2832	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2744	2832	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2408	2832	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	436	2832	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1324	2832	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2016	2832	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2564	2832	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1844	2832	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2132	2832	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2280	2832	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2192	2832	schtasks.exe	30

UAC bypass 3 TTPs 6 IoCs

evasion trojan

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"	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dwm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	dwm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	dwm.exe

DCRat payload 7 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral1/memory/2880-1-0x0000000000310000-0x0000000000404000-memory.dmp	dcrat
behavioral1/files/0x000500000001a03c-20.dat	dcrat
behavioral1/files/0x000700000001a480-45.dat	dcrat
behavioral1/files/0x0008000000019480-93.dat	dcrat
behavioral1/files/0x000700000001a309-126.dat	dcrat
behavioral1/files/0x000600000001a438-149.dat	dcrat
behavioral1/memory/1120-173-0x0000000000ED0000-0x0000000000FC4000-memory.dmp	dcrat

Executes dropped EXE 1 IoCs

pid	Process
1120	dwm.exe

Adds Run key to start application 2 TTPs 22 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\smss = "\"C:\\Windows\\System32\\samlib\\smss.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "\"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\SDK\\explorer.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsm = "\"C:\\Windows\\System32\\msdtckrm\\lsm.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\RemotePackages\\RemoteDesktops\\csrss.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3 = "\"C:\\Program Files\\Microsoft Office\\Office14\\1033\\771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3 = "\"C:\\Program Files\\Microsoft Office\\Office14\\1033\\771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\Windows\\System32\\efslsaext\\wininit.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Windows\\System32\\pidgenx\\dwm.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\explorer = "\"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\SDK\\explorer.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsm = "\"C:\\Windows\\System32\\msdtckrm\\lsm.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\Windows\\System32\\efslsaext\\wininit.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\MSOCache\\All Users\\{90140000-0019-0409-0000-0000000FF1CE}-C\\dllhost.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\Windows\\System32\\samlib\\smss.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Recovery\\31f19e42-8726-11ef-be9a-dab21757c799\\dllhost.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\MSOCache\\All Users\\{90140000-0019-0409-0000-0000000FF1CE}-C\\dllhost.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Recovery\\31f19e42-8726-11ef-be9a-dab21757c799\\dllhost.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Windows\\System32\\pidgenx\\dwm.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\audiodg = "\"C:\\PerfLogs\\Admin\\audiodg.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\audiodg = "\"C:\\PerfLogs\\Admin\\audiodg.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\RemotePackages\\RemoteDesktops\\csrss.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\OSPPSVC = "\"C:\\Program Files\\Common Files\\Microsoft Shared\\OfficeSoftwareProtectionPlatform\\OSPPCEXT\\OSPPSVC.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OSPPSVC = "\"C:\\Program Files\\Common Files\\Microsoft Shared\\OfficeSoftwareProtectionPlatform\\OSPPCEXT\\OSPPSVC.exe\""	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	dwm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dwm.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe

Drops file in System32 directory 20 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\samlib\RCX7D6B.tmp	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Windows\System32\pidgenx\RCX823F.tmp	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File created	C:\Windows\System32\efslsaext\560854153607923c4c5f107085a7db67be01f252	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File created	C:\Windows\System32\pidgenx\dwm.exe	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File created	C:\Windows\System32\pidgenx\6cb0b6c459d5d3455a3da700e713f2e2529862ff	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Windows\System32\msdtckrm\RCX6E22.tmp	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Windows\System32\msdtckrm\lsm.exe	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Windows\System32\efslsaext\RCX77BC.tmp	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Windows\System32\pidgenx\RCX82BC.tmp	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File created	C:\Windows\System32\msdtckrm\lsm.exe	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File created	C:\Windows\System32\samlib\smss.exe	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File created	C:\Windows\System32\samlib\69ddcba757bf72f7d36c464c71f42baab150b2b9	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Windows\System32\msdtckrm\RCX6E33.tmp	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Windows\System32\efslsaext\RCX77AC.tmp	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Windows\System32\efslsaext\wininit.exe	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Windows\System32\samlib\RCX7CED.tmp	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File created	C:\Windows\System32\msdtckrm\101b941d020240259ca4912829b53995ad543df6	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File created	C:\Windows\System32\efslsaext\wininit.exe	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Windows\System32\samlib\smss.exe	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Windows\System32\pidgenx\dwm.exe	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe

Drops file in Program Files directory 15 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\Office14\1033\RCX727B.tmp	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPCEXT\RCX74FB.tmp	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\RCX84F0.tmp	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\1033\771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPCEXT\OSPPSVC.exe	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File created	C:\Program Files\Microsoft Office\Office14\1033\771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File created	C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\explorer.exe	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File created	C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\7a0fd90576e08807bde2cc57bcf9854bbce05fe3	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\1033\RCX726A.tmp	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPCEXT\RCX7579.tmp	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\RCX84DF.tmp	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File created	C:\Program Files\Microsoft Office\Office14\1033\987931b54b7bb095fd6cb7520187a5e53dd90a33	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File created	C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPCEXT\OSPPSVC.exe	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File created	C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPCEXT\1610b97d3ab4a74cd8ae104b51bea7bfcc5b9c6f	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\explorer.exe	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\RemotePackages\RemoteDesktops\csrss.exe	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File created	C:\Windows\RemotePackages\RemoteDesktops\886983d96e3d3e31032c679b2d4ea91b6c05afef	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Windows\RemotePackages\RemoteDesktops\RCX7037.tmp	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Windows\RemotePackages\RemoteDesktops\RCX7047.tmp	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
File opened for modification	C:\Windows\RemotePackages\RemoteDesktops\csrss.exe	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 11 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
2744	schtasks.exe
2408	schtasks.exe
436	schtasks.exe
1324	schtasks.exe
2656	schtasks.exe
2016	schtasks.exe
2564	schtasks.exe
1844	schtasks.exe
2132	schtasks.exe
2280	schtasks.exe
2192	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2880	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2880	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Token: SeDebugPrivilege	1120	dwm.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 1740	2880	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe	42
PID 2880 wrote to memory of 1740	2880	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe	42
PID 2880 wrote to memory of 1740	2880	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe	42
PID 1740 wrote to memory of 1728	1740	cmd.exe	44
PID 1740 wrote to memory of 1728	1740	cmd.exe	44
PID 1740 wrote to memory of 1728	1740	cmd.exe	44
PID 1740 wrote to memory of 1120	1740	cmd.exe	45
PID 1740 wrote to memory of 1120	1740	cmd.exe	45
PID 1740 wrote to memory of 1120	1740	cmd.exe	45

System policy modification 1 TTPs 6 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dwm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	dwm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	dwm.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe
"C:\Users\Admin\AppData\Local\Temp\771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe"
1⤵
- Modifies WinLogon for persistence
- UAC bypass
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in System32 directory
- 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:2880
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\X2Ifph4EYR.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1740
- - C:\Windows\system32\w32tm.exe
    w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
    3⤵
    PID:1728
- - C:\Windows\System32\pidgenx\dwm.exe
    "C:\Windows\System32\pidgenx\dwm.exe"
    3⤵
    - UAC bypass
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious use of AdjustPrivilegeToken
    - System policy modification
    PID:1120

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\PerfLogs\Admin\audiodg.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2656

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Windows\System32\msdtckrm\lsm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2744

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\RemotePackages\RemoteDesktops\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2408

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\Office14\1033\771f3bc23da9c40adfb3ba5869ecde3890681af6cb8ff9a0c9104b04be3307b3.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:436

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OSPPSVC" /sc ONLOGON /tr "'C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPCEXT\OSPPSVC.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1324

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Windows\System32\efslsaext\wininit.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2016

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2564

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Windows\System32\samlib\smss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1844

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2132

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Windows\System32\pidgenx\dwm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2280

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\explorer.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2192

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry