fdWSD[.]dll | Triage

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General

Target

fdWSD.dll
Size

104KB
MD5

de6f4b7e62fde776f3de8e5fb5a05c48
SHA1

e8c2551f0b56707f7d5d4e696799c6ebd53164b3
SHA256

703587d10434c1d6755e5f17eb2110433a506e51ecc5329e2cca0b8380c455ec
SHA512

3b31c137a9d3930f63de327721a8226a2fec9fc9e988cd03c9adcf9ac354b75acafd472046dea641f561c63bf507d7edba9faf0499ac25e773ad79a184f4d84d
SSDEEP

1536:Bo5B2Xd2yhlnsjRZ28nTb4OeWcBxV8xoj6I7mWhIzd8/x:2+7K2w4OeW2X7XhIh8p

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
fdWSD.dll

Files

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

0cb7db879dca622ca0c8d66914edd9a3

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

fdWSD.pdb

Imports

msvcrt

time
_XcptFilter
malloc
_initterm
_amsg_exit
_except_handler4_common
srand
wcschr
_wcsdup
rand
_wcsnicmp
free
wcsrchr
memcpy
_vsnwprintf
??_U@YAPAXI@Z
_wcsicmp
memset
??2@YAPAXI@Z
_purecall
??_V@YAXPAX@Z
??3@YAXPAX@Z
realloc

atl

ord30
ord16
ord21
ord18
ord57
ord23
ord15
ord32

kernel32

GetLastError
ReleaseSRWLockShared
AcquireSRWLockShared
ReleaseSRWLockExclusive
CloseHandle
AcquireSRWLockExclusive
SetEvent
ResetEvent
GetCurrentThread
CreateEventW
DeleteTimerQueueTimer
DeleteTimerQueueEx
CreateTimerQueueTimer
WaitForMultipleObjects
FreeLibraryAndExitThread
FreeLibrary
InterlockedExchange
LoadLibraryW
CreateTimerQueue
GetSystemDefaultLCID
Sleep
InterlockedCompareExchange
QueryPerformanceCounter
GetTickCount
InitializeSRWLock
GetCurrentProcessId
GetSystemTimeAsFileTime
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
WaitForSingleObject
DisableThreadLibraryCalls
GetModuleFileNameW
InitializeCriticalSectionAndSpinCount
InterlockedDecrement
InterlockedIncrement
DeleteCriticalSection
InitializeCriticalSection
EnterCriticalSection
FormatMessageW
LeaveCriticalSection
CreateThread
GetCurrentThreadId

advapi32

CheckTokenMembership
RegEnumKeyExW
RegOpenKeyExW
RegGetValueW
RegOpenKeyExA
RegCloseKey
OpenThreadToken
GetTokenInformation
SetThreadToken
TraceMessage
UnregisterTraceGuids
RegisterTraceGuidsW
GetTraceLoggerHandle
GetTraceEnableLevel
GetTraceEnableFlags

ole32

CoTaskMemFree
CoSetProxyBlanket
PropVariantCopy
CoRevertToSelf
CoImpersonateClient
CoTaskMemAlloc
CoCreateInstance
CoUninitialize
CoInitializeEx
CLSIDFromString
PropVariantClear

ws2_32

GetAddrInfoW
FreeAddrInfoW

rpcrt4

UuidCreate

iphlpapi

ConvertInterfaceGuidToLuid
GetIpNetEntry2
ResolveIpNetEntry2

bcrypt

BCryptDestroyHash
BCryptCreateHash
BCryptGetProperty
BCryptHashData
BCryptFinishHash
BCryptCloseAlgorithmProvider
BCryptOpenAlgorithmProvider

crypt32

CertFindCertificateInStore
CertOpenStore
CertFreeCertificateContext
CertDuplicateCertificateContext
CertCloseStore
CertOpenSystemStoreW
CryptStringToBinaryW

shlwapi

SHGetValueW

mlang

ord123

wsdapi

WSDXMLGetValueFromAny
WSDXMLGetNameFromBuiltinNamespace
WSDFreeLinkedMemory
WSDRemoveFirewallCheck
WSDCancelNetworkChangeNotify
WSDDetachLinkedMemory
WSDNotifyNetworkChange
WSDAddFirewallCheck
WSDCreateMetadataAgent
WSDCopyNameList
WSDCompareEndpoints
WSDCreateDiscoveryProvider2
WSDCopyEndpoint
WSDXMLCreateContext
WSDCreateDiscoveryProvider
WSDXMLCompareNames

winhttp

WinHttpCrackUrl

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer
FdphostSessionChange
FdphostSetComContext

Sections

.text
Size: 91KB - Virtual size: 91KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

0cb7db879dca622ca0c8d66914edd9a3

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

atl

kernel32

advapi32

ole32

ws2_32

rpcrt4

iphlpapi

bcrypt

crypt32

shlwapi

mlang

wsdapi

winhttp

Exports

Exports

Sections

.text Size: 91KB - Virtual size: 91KB

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

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

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

.text
Size: 91KB - Virtual size: 91KB

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

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

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