L2SecHC[.]dll | Triage

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General

Target

L2SecHC.dll
Size

153KB
MD5

b170b48fb5b2ea553423bc772a9e7460
SHA1

8cc0a40407488e8691bf606cc2c794119c14da15
SHA256

2660fb251850fe24078f322c2d4237c161f9f3e9c2d1542185893b542664abbd
SHA512

dd50a8f1775443b6a7b0368c0f6def8b7cb00aa063a8b5a2531c35172a5550aad0db8650915a6d67f721ef39993f907e333523adc6c6317bac7dabde83ec769b
SSDEEP

3072:U+J2yx80tIFi4xYaZSsUww++M+Eij5uJhkGuwNnBbY:U6BzWuRuJh3NnBb

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
L2SecHC.dll

Files

L2SecHC.dll
.dll regsvr32 windows:10 windows x86 arch:x86

fedc3f38e5998ab6ac8a50de067ed9dc

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

L2SecHC.pdb

Imports

msvcrt

vswprintf_s
_vscwprintf
_CxxThrowException
memcpy
memmove
memmove_s
_callnewh
??0exception@@QAE@ABQBD@Z
toupper
wcsnlen
wcsstr
_vsnwprintf
??0exception@@QAE@ABQBDH@Z
wcsncmp
_XcptFilter
_amsg_exit
_initterm
?terminate@@YAXXZ
_except_handler4_common
??1type_info@@UAE@XZ
_errno
??0exception@@QAE@ABV0@@Z
_purecall
?what@exception@@UBEPBDXZ
realloc
_wcsupr
wcscat_s
wcscpy_s
??1exception@@UAE@XZ
_lock
??3@YAXPAX@Z
memcpy_s
free
malloc
wcsncpy_s
??_V@YAXPAX@Z
_unlock
__dllonexit
__CxxFrameHandler3
_onexit
memcmp
memset

ntdll

NtOpenFile
RtlNtStatusToDosError
EtwTraceMessage
EtwEventWriteTransfer
RtlInitUnicodeString

oleaut32

SysAllocString
UnRegisterTypeLi
SysFreeString
LoadTypeLi
SysStringLen
RegisterTypeLi
VarUI4FromStr

api-ms-win-eventing-classicprovider-l1-1-0

GetTraceLoggerHandle
GetTraceEnableFlags
RegisterTraceGuidsW
UnregisterTraceGuids
GetTraceEnableLevel
TraceMessage

api-ms-win-core-libraryloader-l1-2-0

FindResourceExW
GetModuleFileNameW
SizeofResource
FreeLibrary
DisableThreadLibraryCalls
GetProcAddress
LoadStringW
LockResource
GetModuleFileNameA
LoadLibraryExW
LoadResource
LoadLibraryExA
GetModuleHandleW

api-ms-win-core-com-l1-1-0

StringFromGUID2
CoTaskMemFree
CoCreateInstance
CoTaskMemRealloc
CoTaskMemAlloc

api-ms-win-core-string-l2-1-0

CharNextW

api-ms-win-core-errorhandling-l1-1-0

RaiseException
GetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter
SetLastError

api-ms-win-core-registry-l1-1-0

RegSetValueExW
RegDeleteValueW
RegQueryValueExW
RegQueryInfoKeyW
RegOpenKeyExW
RegCloseKey
RegCreateKeyExW
RegEnumKeyExW

api-ms-win-core-string-obsolete-l1-1-0

lstrcmpiW

api-ms-win-core-synch-l1-1-0

InitializeCriticalSection
CreateEventW
ReleaseSRWLockExclusive
SetEvent
LeaveCriticalSection
DeleteCriticalSection
AcquireSRWLockExclusive
WaitForSingleObject
EnterCriticalSection

api-ms-win-core-string-l1-1-0

MultiByteToWideChar

api-ms-win-core-localization-l1-2-0

FormatMessageW
GetThreadLocale
SetThreadLocale

rpcrt4

RpcEpResolveBinding
RpcBindingSetAuthInfoExW
RpcStringBindingComposeW
RpcBindingFromStringBindingW
RpcBindingSetOption
NdrClientCall4
RpcExceptionFilter
UuidFromStringW
RpcBindingFree
RpcStringFreeW
UuidToStringW
RpcMgmtInqServerPrincNameW

api-ms-win-core-file-l1-1-0

FileTimeToLocalFileTime

api-ms-win-core-timezone-l1-1-0

SystemTimeToFileTime
FileTimeToSystemTime

api-ms-win-core-sysinfo-l1-1-0

GetSystemTimeAsFileTime
GetSystemInfo
GetSystemTime
GetTickCount

api-ms-win-core-handle-l1-1-0

CloseHandle

api-ms-win-core-processthreads-l1-1-0

TerminateProcess
GetCurrentProcessId
GetCurrentProcess
GetCurrentThreadId

api-ms-win-core-processthreads-l1-1-1

OpenProcess

api-ms-win-core-psapi-l1-1-0

K32EnumProcessModules
K32GetModuleBaseNameW

api-ms-win-security-base-l1-1-0

CreateWellKnownSid

api-ms-win-core-heap-l1-1-0

GetProcessHeap
HeapDestroy
HeapAlloc
HeapFree
HeapSize
HeapReAlloc

api-ms-win-core-synch-l1-2-0

Sleep

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter

api-ms-win-core-debug-l1-1-0

OutputDebugStringA

setupapi

SetupDiCallClassInstaller
SetupDiSetClassInstallParamsW
SetupDiOpenDeviceInfoW
SetupDiCreateDeviceInfoListExW
SetupDiDestroyDeviceInfoList
SetupDiOpenDevRegKey
SetupDiGetDeviceInstanceIdW
SetupDiGetDeviceRegistryPropertyW
SetupDiEnumDeviceInfo
SetupDiGetClassDevsW
SetupDiGetDeviceInstallParamsW

api-ms-win-core-io-l1-1-0

DeviceIoControl

api-ms-win-core-heap-l2-1-0

LocalFree
LocalAlloc

api-ms-win-eventing-provider-l1-1-0

EventRegister
EventWriteTransfer
EventProviderEnabled
EventUnregister
EventSetInformation

api-ms-win-core-memory-l1-1-0

VirtualProtect
VirtualQuery

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 126KB - Virtual size: 126KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

fedc3f38e5998ab6ac8a50de067ed9dc

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

ntdll

oleaut32

api-ms-win-eventing-classicprovider-l1-1-0

api-ms-win-core-libraryloader-l1-2-0

api-ms-win-core-com-l1-1-0

api-ms-win-core-string-l2-1-0

api-ms-win-core-errorhandling-l1-1-0

api-ms-win-core-registry-l1-1-0

api-ms-win-core-string-obsolete-l1-1-0

api-ms-win-core-synch-l1-1-0

api-ms-win-core-string-l1-1-0

api-ms-win-core-localization-l1-2-0

rpcrt4

api-ms-win-core-file-l1-1-0

api-ms-win-core-timezone-l1-1-0

api-ms-win-core-sysinfo-l1-1-0

api-ms-win-core-handle-l1-1-0

api-ms-win-core-processthreads-l1-1-0

api-ms-win-core-processthreads-l1-1-1

api-ms-win-core-psapi-l1-1-0

api-ms-win-security-base-l1-1-0

api-ms-win-core-heap-l1-1-0

api-ms-win-core-synch-l1-2-0

api-ms-win-core-profile-l1-1-0

api-ms-win-core-debug-l1-1-0

setupapi

api-ms-win-core-io-l1-1-0

api-ms-win-core-heap-l2-1-0

api-ms-win-eventing-provider-l1-1-0

api-ms-win-core-memory-l1-1-0

Exports

Exports

Sections

.text Size: 126KB - Virtual size: 126KB

.data Size: 7KB - Virtual size: 8KB

.idata Size: 6KB - Virtual size: 6KB

.didat Size: 512B - Virtual size: 48B

.rsrc Size: 3KB - Virtual size: 3KB

.reloc Size: 8KB - Virtual size: 7KB

.text
Size: 126KB - Virtual size: 126KB

.data
Size: 7KB - Virtual size: 8KB

.idata
Size: 6KB - Virtual size: 6KB

.didat
Size: 512B - Virtual size: 48B

.rsrc
Size: 3KB - Virtual size: 3KB

.reloc
Size: 8KB - Virtual size: 7KB