tetheringclient[.]dll

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General

Target

tetheringclient.dll
Size

100KB
MD5

8a3f66be0d3279cf42a25ed8c7240433
SHA1

2febb281c1066f44a61dabea8d50c948cc54a453
SHA256

8597566ad9aab233e2caa1e4cded1d7fb0a6cfa9ff93c46cb565edbe73851cee
SHA512

c5683064268a6aff5c2a9812c628daa3c6dbadb3b06d903f8e5348429990eaaf79ca9252395ee158ff2aea244c029d3794bde829f85218c438580b84e8ae0fbc
SSDEEP

1536:Fg0hDX3bev+pGkL2xjuPL9lt1g4g1okdUbDKHps6dtqo5:FRZr/PL99a1oiUbuHps6dtqo5

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
tetheringclient.dll

Files

tetheringclient.dll
.dll windows:10 windows x64 arch:x64

1be92d81e4c4978058bd7b6426796693

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

TetheringClient.pdb

Imports

msvcrt

memcpy
_wtoi
??1type_info@@UEAA@XZ
_initterm
_amsg_exit
_XcptFilter
__CxxFrameHandler3
_CxxThrowException
_callnewh
?what@exception@@UEBAPEBDXZ
??0exception@@QEAA@AEBQEBDH@Z
malloc
__C_specific_handler
free
_purecall
_vsnprintf_s
_wcsdup
??0exception@@QEAA@AEBV0@@Z
??0exception@@QEAA@XZ
_errno
wcscpy_s
?terminate@@YAXXZ
??1exception@@UEAA@XZ
??3@YAXPEAX@Z
memcpy_s
_vsnwprintf
__CxxFrameHandler4
??_V@YAXPEAX@Z
memset

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

GetProcAddress
DisableThreadLibraryCalls
LoadLibraryExW
GetModuleHandleW
GetModuleHandleExA
FreeLibrary
GetModuleFileNameA
LoadStringW
GetModuleHandleExW

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

HeapFree
HeapAlloc
GetProcessHeap

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

UnregisterTraceGuids
RegisterTraceGuidsW
GetTraceEnableLevel
GetTraceEnableFlags
GetTraceLoggerHandle
TraceMessage

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

GetCurrentThreadId
GetCurrentProcessId
TerminateProcess
GetCurrentProcess

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

FormatMessageW

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

DebugBreak
IsDebuggerPresent
OutputDebugStringW

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

SetLastError
UnhandledExceptionFilter
GetLastError
RaiseException
SetUnhandledExceptionFilter

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

EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection

rpcrt4

RpcBindingBind
RpcBindingFree
RpcExceptionFilter
NdrClientCall3
RpcBindingCreateW

api-ms-win-service-management-l1-1-0

StartServiceW
OpenSCManagerW
CloseServiceHandle
OpenServiceW

api-ms-win-service-winsvc-l1-1-0

QueryServiceStatus

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

Sleep

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

RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext

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

QueryPerformanceCounter

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

GetTickCount
GetComputerNameExW
GetSystemTimeAsFileTime

api-ms-win-service-private-l1-1-0

WaitServiceState

ntdll

RtlGetPersistedStateLocation
RtlSubscribeWnfStateChangeNotification
NtQueryWnfStateData
RtlUnsubscribeWnfNotificationWaitForCompletion
NtQueryKey

wlanapi

WFDFreeMemoryInt
WFDQueryPropertyInt
WlanFreeMemory
WFDCloseHandleInt
WFDOpenHandleInt

policymanager

PolicyManager_GetWiFiPolicy_AllowInternetSharing

systemeventsbrokerclient

SebQueryEventData
SebQueryEventPackage

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

WindowsCreateString
WindowsDeleteString
WindowsCreateStringReference

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

RegGetValueW
RegCreateKeyExW
RegQueryValueExW
RegLoadMUIStringW
RegSetValueExW
RegDeleteValueW
RegOpenKeyExW
RegCloseKey

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

RoGetActivationFactory

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

GetProductInfo

bcrypt

BCryptGenRandom

oleaut32

SysFreeString

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

LocalFree
LocalAlloc

crypt32

CryptUnprotectData
CryptProtectData

api-ms-win-core-delayload-l1-1-1

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

Exports

Exports

IsTetheringGPAllowed
TetheringAuthorize
TetheringDeinitApi
TetheringFreeMemory
TetheringFreePeerList
TetheringGetClientCount
TetheringGetDefaultInterface
TetheringGetErrorString
TetheringGetIsPeerlessTimeoutEnabled
TetheringGetLastApiError
TetheringGetMaxClientCount
TetheringGetPeerList
TetheringGetPreferredInterface
TetheringGetPrivateConnectionSettings
TetheringGetPublicConnectionSettings
TetheringGetSharedInterfaceIndices
TetheringGetSharingState
TetheringGetSimIccidForInterfaceGuid
TetheringInitApi
TetheringIs5GHzSupported
TetheringIsAllowed
TetheringRegisterNotification
TetheringSetIsPeerlessTimeoutEnabled
TetheringSetPreferredInterface
TetheringSetPrivateConnectionSettings
TetheringSetPrivateConnectionSettingsAsync
TetheringSetPublicConnectionSettings
TetheringSetSharingState
TetheringSetSharingStateAsync
TetheringSettingsFreeAutoLoadSettings
TetheringSettingsFreeSettingValue
TetheringSettingsGenerateDefaultPrivateConnectionSettings
TetheringSettingsGenerateDefaultPublicConnectionSettings
TetheringSettingsGetSettingValueGlobal
TetheringSettingsGetSettingValueWithGuid
TetheringSettingsGetSettingValueWithIccid
TetheringSettingsLoadAutoLoadSettings
TetheringSettingsResetSettingToDefaultGlobal
TetheringSettingsResetSettingToDefaultWithGuid
TetheringSettingsResetSettingToDefaultWithIccid
TetheringSettingsSaveSettingGlobal
TetheringSettingsSaveSettingWithGuid
TetheringSettingsSaveSettingWithIccid
TetheringStartSharing
TetheringStartSharingAsync
TetheringStopSharing
TetheringStopSharingAsync
TetheringUnregisterNotification

Sections

.text
Size: 52KB - Virtual size: 51KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 24KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 4KB - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 4KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 376B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1be92d81e4c4978058bd7b6426796693

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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

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

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

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

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

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

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

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

rpcrt4

api-ms-win-service-management-l1-1-0

api-ms-win-service-winsvc-l1-1-0

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

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

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

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

api-ms-win-service-private-l1-1-0

ntdll

wlanapi

policymanager

systemeventsbrokerclient

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

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

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

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

bcrypt

oleaut32

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

crypt32

api-ms-win-core-delayload-l1-1-1

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

Exports

Exports

Sections

.text Size: 52KB - Virtual size: 51KB

.rdata Size: 24KB - Virtual size: 20KB

.data Size: 4KB - Virtual size: 4KB

.pdata Size: 4KB - Virtual size: 2KB

.didat Size: 4KB - Virtual size: 56B

.rsrc Size: 4KB - Virtual size: 1KB

.reloc Size: 4KB - Virtual size: 376B

.text
Size: 52KB - Virtual size: 51KB

.rdata
Size: 24KB - Virtual size: 20KB

.data
Size: 4KB - Virtual size: 4KB

.pdata
Size: 4KB - Virtual size: 2KB

.didat
Size: 4KB - Virtual size: 56B

.rsrc
Size: 4KB - Virtual size: 1KB

.reloc
Size: 4KB - Virtual size: 376B