L2SecHC[.]dll | Triage

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General

Target

L2SecHC.dll
Size

152KB
MD5

194c6b948bd8de608e3c0c0ce46e3c4a
SHA1

52ad881553b417d80a5293131432020ae59e4b4d
SHA256

9195e494bbd4b22a635e9d3d3451dcc7bd9e33b27924474091e2ff6bce8ce37f
SHA512

a25303dafed21db843500755b7b117b14b6c0467a5785afb36c8433f112ffce961b4fbe5d95d1763e24b4cdee67ac47b99214b0b84359e7f077e88f7f120b634
SSDEEP

3072:Y/+XeTxy3/LW7uql4jEVGzimLO5R3cSLJiHGL3PFG75w7JL2Z7:0G/ERFG7C7JSZ

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

b89428fc204db75dd2222af1cd91f791

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

ntdll

EtwEventWrite
EtwTraceMessage
NtOpenFile
RtlNtStatusToDosError
RtlInitUnicodeString

oleaut32

SysStringLen
LoadTypeLi
SysAllocString
RegisterTypeLi
SysFreeString
VarUI4FromStr
UnRegisterTypeLi

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

GetTraceLoggerHandle
UnregisterTraceGuids
GetTraceEnableFlags
RegisterTraceGuidsW
GetTraceEnableLevel
TraceMessage

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

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

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

CoTaskMemRealloc
CoTaskMemFree
CoTaskMemAlloc
StringFromGUID2
CoCreateInstance

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

CharNextW

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

SetLastError
SetUnhandledExceptionFilter
RaiseException
GetLastError
UnhandledExceptionFilter

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

RegCloseKey
RegEnumKeyExW
RegCreateKeyExW
RegOpenKeyExW
RegQueryInfoKeyW
RegDeleteValueW
RegQueryValueExW
RegSetValueExW

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

lstrcmpiW

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

EnterCriticalSection
InitializeCriticalSection
LeaveCriticalSection
DeleteCriticalSection
SetEvent
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
CreateEventW
Sleep
WaitForSingleObject

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

MultiByteToWideChar

api-ms-win-core-localization-l1-2-1

SetThreadLocale
GetThreadLocale
FormatMessageW

rpcrt4

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

api-ms-win-core-file-l1-2-1

FileTimeToLocalFileTime

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

SystemTimeToFileTime
FileTimeToSystemTime

api-ms-win-core-sysinfo-l1-2-1

GetSystemInfo
GetSystemTimeAsFileTime
GetTickCount
GetSystemTime

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

CloseHandle

api-ms-win-core-processthreads-l1-1-2

GetCurrentProcess
TerminateProcess
GetCurrentThreadId
OpenProcess
GetCurrentProcessId

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

K32GetModuleBaseNameW
K32EnumProcessModules

api-ms-win-security-base-l1-2-0

CreateWellKnownSid

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

GetProcessHeap
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
HeapDestroy

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

QueryPerformanceCounter

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

OutputDebugStringA

ext-ms-win-ntuser-windowclass-l1-1-1

UnregisterClassA

setupapi

SetupDiGetClassDevsW
SetupDiEnumDeviceInfo
SetupDiGetDeviceInstallParamsW
SetupDiGetDeviceRegistryPropertyW
SetupDiGetDeviceInstanceIdW
SetupDiOpenDevRegKey
SetupDiCallClassInstaller
SetupDiDestroyDeviceInfoList
SetupDiOpenDeviceInfoW
SetupDiSetClassInstallParamsW
SetupDiCreateDeviceInfoListExW

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

DeviceIoControl

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

LocalAlloc
LocalFree

api-ms-win-core-memory-l1-1-2

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: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 36B

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

b89428fc204db75dd2222af1cd91f791

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-l1-1-1

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

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

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

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

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

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

api-ms-win-core-localization-l1-2-1

rpcrt4

api-ms-win-core-file-l1-2-1

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

api-ms-win-core-sysinfo-l1-2-1

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

api-ms-win-core-processthreads-l1-1-2

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

api-ms-win-security-base-l1-2-0

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

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

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

ext-ms-win-ntuser-windowclass-l1-1-1

setupapi

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

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

api-ms-win-core-memory-l1-1-2

Exports

Exports

Sections

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

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

.idata Size: 6KB - Virtual size: 5KB

.didat Size: 512B - Virtual size: 36B

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

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

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

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

.idata
Size: 6KB - Virtual size: 5KB

.didat
Size: 512B - Virtual size: 36B

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

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