WLanConn[.]dll

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General

Target

WLanConn.dll
Size

654KB
MD5

47fc6f0d7c1df9d38d85b1cd3452a19d
SHA1

b9c267f314d95d756c93eeb25ba73865416ce47c
SHA256

45b930778add08e28eb2bfd896756b5ce761619017c05c711265d286c100fdcc
SHA512

c9f8cc059f56b7a723b3ee479c2f1739bc49077ae5307f7f4f28903ec8aea11278945b4987c7839abd40d10e517b8a06a3066c55478bdcc2ca556db5e3c6a820
SSDEEP

6144:TCraH7qPmLTQr/5KTdBxtBPMJCWzVR6007QNmT/ZH5IlFxwZ8bSAfPXla6KnbC9Q:nbpa/5KTdBiY0YTglOSpaNb+yeWBCO

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
WLanConn.dll

Files

WLanConn.dll
.dll regsvr32 windows:6 windows x86 arch:x86

521e3ecfa3e928feb42d426bf1d1b41b

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

WLanConn.pdb

Imports

msvcrt

iswxdigit
towlower
_ultow
wprintf
_wtoi
iswdigit
wcsstr
vswprintf_s
memcpy
_vsnwprintf
??_V@YAXPAX@Z
malloc
free
memcpy_s
_CxxThrowException
wcscpy_s
wcsncpy_s
wcscat_s
??2@YAPAXI@Z
__CxxFrameHandler3
_purecall
??_U@YAPAXI@Z
memset
memmove_s
calloc
_XcptFilter
_initterm
_amsg_exit
_onexit
_lock
__dllonexit
_unlock
_errno
realloc
_except_handler4_common
??1type_info@@UAE@XZ
??3@YAXPAX@Z

kernel32

SetEvent
DuplicateHandle
CreateEventW
WaitForMultipleObjects
QueueUserWorkItem
CreateWaitableTimerW
WaitForSingleObject
ExpandEnvironmentStringsW
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetFileAttributesW
GetVersion
lstrlenW
RaiseException
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
DeleteCriticalSection
GetLastError
InterlockedIncrement
InterlockedDecrement
lstrcmpiW
FlushInstructionCache
GetCurrentProcess
LoadLibraryW
SetLastError
GetModuleFileNameW
OutputDebugStringA
LoadLibraryExW
GetCurrentThreadId
FreeLibrary
MultiByteToWideChar
SizeofResource
LoadResource
CancelWaitableTimer
DelayLoadFailureHook
InterlockedCompareExchange
LoadLibraryExA
GetVersionExA
InterlockedExchange
WideCharToMultiByte
lstrlenA
HeapFree
GetProcessHeap
HeapAlloc
LoadLibraryA
VirtualFree
VirtualAlloc
Sleep
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
TerminateProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
OutputDebugStringW
SetWaitableTimer
DebugBreak
GetCurrentThread
FormatMessageW
LocalFree
RegQueryValueExW
FindResourceW
CreateActCtxW
CloseHandle
DeactivateActCtx
ActivateActCtx
ReleaseActCtx

advapi32

EventRegister
OpenThreadToken
OpenProcessToken
DuplicateToken
GetTokenInformation
EqualSid
AllocateAndInitializeSid
EventWrite
RegCreateKeyW
RegEnumKeyExW
EventUnregister
FreeSid
RegQueryInfoKeyW
RegSetValueExW
RegOpenKeyExW
RegCreateKeyExW
RegCloseKey
RegDeleteValueW

user32

ReleaseCapture
GetDoubleClickTime
LoadStringW
GetWindowTextLengthW
GetWindowTextW
GetWindowLongW
ShowWindow
GetAncestor
UpdateWindow
KillTimer
SetTimer
GetClientRect
UnregisterClassA
GetPropW
SetPropW
GetParent
SendMessageW
DestroyWindow
GetDlgItem
CharNextW
ClientToScreen
SetFocus
SetWindowPos
SetCapture
PostMessageW
GetSystemMetrics
PeekMessageW
GetWindowRect
EnableWindow
MapWindowPoints
CreateWindowExW
EnumChildWindows
LoadImageW
SetWindowTextW
MsgWaitForMultipleObjects
DispatchMessageW
SetWindowLongW
TranslateMessage

ntdll

EtwGetTraceLoggerHandle
RtlNtStatusToDosError
EtwGetTraceEnableLevel
EtwGetTraceEnableFlags
EtwTraceMessage
EtwRegisterTraceGuidsW
WinSqmIsOptedIn
WinSqmIncrementDWORD
EtwUnregisterTraceGuids

oleaut32

RegisterTypeLi
SysStringLen
SysAllocString
SysAllocStringLen
VarUI4FromStr
SysFreeString
UnRegisterTypeLi
LoadTypeLi

ole32

CoSetProxyBlanket
CoInitialize
CoInitializeEx
CoUninitialize
CoCreateInstance
CoTaskMemFree
CoTaskMemRealloc
CoTaskMemAlloc
StringFromGUID2
StringFromIID
CoGetObject

wlanhlp

WlanConnectWithInput
WlanPrivateGetAvailableNetworkList
WlanParseProfileXmlBasicSettings
WlanGenerateProfileXmlBasicSettings
WlanSetUIForwardingNetworkList
WlanRemoveUIForwardingNetworkList
WlanQueryCreateAllUserProfileRestricted
WlanIsUIRequestPending

rpcrt4

RpcStringFreeW
UuidToStringW

wlanutil

WlanSsidToDisplayName
WlanStringToSsid

shell32

ShellExecuteExW

nlaapi

NlaQueryNetDataEx
NlaCloseQuery
NlaOpenQuery
NlaDeleteDataSet
NlaDeleteTypeSet
NlaAddToTypeSet
NlaCreateTypeSet

bcrypt

BCryptCloseAlgorithmProvider
BCryptDestroyHash
BCryptFinishHash
BCryptGetProperty
BCryptHashData
BCryptOpenAlgorithmProvider
BCryptCreateHash

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllMain
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 192KB - Virtual size: 191KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 441KB - Virtual size: 441KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

521e3ecfa3e928feb42d426bf1d1b41b

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

kernel32

advapi32

user32

ntdll

oleaut32

ole32

wlanhlp

rpcrt4

wlanutil

shell32

nlaapi

bcrypt

Exports

Exports

Sections

.text Size: 192KB - Virtual size: 191KB

.data Size: 2KB - Virtual size: 3KB

.rsrc Size: 441KB - Virtual size: 441KB

.reloc Size: 17KB - Virtual size: 17KB

.text
Size: 192KB - Virtual size: 191KB

.data
Size: 2KB - Virtual size: 3KB

.rsrc
Size: 441KB - Virtual size: 441KB

.reloc
Size: 17KB - Virtual size: 17KB