TSWorkspace[.]dll

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General

Target

TSWorkspace.dll
Size

765KB
MD5

6a98f5dd115e6c706131142f645a9b50
SHA1

0458e6dae9bb4210bfe4d53872c071ca5afe998a
SHA256

465848b1fd5e3894ccbb9a515a613788db4c673cbe62136de869153b8e82bbf8
SHA512

daac0343f64d363f85cb11415d30942a79f210332b71efd4f2c1a44c031a18c4da77ac698484f09f8d8924304f5ab127eb7512621113063e5909a76bc0f10a21
SSDEEP

12288:cS10Vd4S0Us0eShHJ1MzxRHNEvYoxWZwNe+Xar3wXIB7GjFyi5/:c+0rYzx7YYoSce+XaMimsiJ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
TSWorkspace.dll

Files

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

6935ed0abeced62276248471a2f66ceb

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

TSWorkspace.pdb

Imports

msvcrt

__crtCompareStringW
___lc_codepage_func
wcstombs_s
wcsstr
??1bad_cast@@UAE@XZ
??0bad_cast@@QAE@ABV0@@Z
strchr
__pctype_func
_wcsnicmp
wcsncmp
wcstol
fclose
setlocale
fgetws
_wfopen_s
memcpy
iswspace
memcmp
abort
rand_s
_wcslwr
towlower
wcstok_s
__RTDynamicCast
_ftol2
_vsnwprintf
toupper
__crtLCMapStringW
___lc_handle_func
iswcntrl
___lc_collate_cp_func
___mb_cur_max_func
__CxxFrameHandler3
_except_handler4_common
_onexit
__dllonexit
_unlock
_lock
realloc
_errno
??1type_info@@UAE@XZ
?terminate@@YAXXZ
_initterm
_amsg_exit
_XcptFilter
_CxxThrowException
_callnewh
??0exception@@QAE@XZ
calloc
memmove_s
memset
?what@exception@@UBEPBDXZ
_wcsicmp
??0exception@@QAE@ABV0@@Z
??1exception@@UAE@XZ
??0exception@@QAE@ABQBD@Z
memmove
_purecall
wcscat_s
wcscpy_s
malloc
wcsncpy_s
free
memcpy_s
??_V@YAXPAX@Z
wcscspn
??3@YAXPAX@Z
_ftol2_sse

ole32

CLSIDFromString
PropVariantClear
CoInitializeEx
IIDFromString
CoCreateGuid
CoUninitialize
CoInitialize
StringFromGUID2
CoTaskMemAlloc
CoTaskMemRealloc
CoCreateInstance
CoTaskMemFree
StringFromIID

oleaut32

SysStringByteLen
SysStringLen
SafeArrayCreate
SysFreeString
SafeArrayPutElement
SysAllocString
SysAllocStringByteLen
SysAllocStringLen
BSTR_UserSize
SafeArrayDestroy
SafeArrayGetUBound
VarUI4FromStr
BSTR_UserFree
LPSAFEARRAY_UserSize
SafeArrayGetLBound
LPSAFEARRAY_UserFree
LPSAFEARRAY_UserUnmarshal
SafeArrayUnlock
SafeArrayRedim
BSTR_UserUnmarshal
BSTR_UserMarshal
SafeArrayLock
LPSAFEARRAY_UserMarshal
VariantChangeType
VariantClear
VariantInit
LoadRegTypeLi
UnRegisterTypeLi
LoadTypeLi
RegisterTypeLi

rpcrt4

CStdStubBuffer_IsIIDSupported
CStdStubBuffer_Disconnect
CStdStubBuffer_DebugServerRelease
CStdStubBuffer_QueryInterface
CStdStubBuffer_CountRefs
CStdStubBuffer_AddRef
CStdStubBuffer_DebugServerQueryInterface
CStdStubBuffer_Invoke
CStdStubBuffer_Connect
NdrOleAllocate
IUnknown_Release_Proxy
NdrOleFree
IUnknown_AddRef_Proxy
NdrStubCall2
NdrStubForwardingFunction
NdrCStdStubBuffer2_Release
NdrDllUnregisterProxy
NdrDllRegisterProxy
NdrDllGetClassObject
NdrDllCanUnloadNow
IUnknown_QueryInterface_Proxy
NdrCStdStubBuffer_Release

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

Sleep
InitOnceInitialize
SetEvent
DeleteCriticalSection
LeaveCriticalSection
ReleaseMutex
CreateMutexW
ReleaseSemaphore
ResetEvent
InitializeCriticalSection
EnterCriticalSection
WaitForSingleObject
InitializeCriticalSectionAndSpinCount
InitOnceExecuteOnce
CreateEventW

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

LoadStringW
GetModuleHandleW
FreeLibrary
FindResourceExW
LoadLibraryExW
SizeofResource
LockResource
GetModuleFileNameW
GetModuleHandleExA
FreeLibraryAndExitThread
GetProcAddress
DisableThreadLibraryCalls
LoadResource
GetModuleHandleExW

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

CharNextW

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

RaiseException
SetUnhandledExceptionFilter
UnhandledExceptionFilter
SetLastError
GetLastError

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

RegQueryInfoKeyW
RegNotifyChangeKeyValue
RegOpenKeyExW
RegSetValueExW
RegDeleteTreeW
RegEnumKeyExW
RegCloseKey
RegCreateKeyExW
RegEnumValueW
RegGetValueW
RegDeleteValueW
RegQueryValueExW

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

CompareStringOrdinal
WideCharToMultiByte
CompareStringEx
GetStringTypeW
MultiByteToWideChar
CompareStringW

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

GetTraceLoggerHandle
GetTraceEnableLevel
RegisterTraceGuidsW
TraceMessage
UnregisterTraceGuids
GetTraceEnableFlags

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

EventActivityIdControl
EventWrite
EventRegister
EventUnregister

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

InitializeSecurityDescriptor
SetSecurityDescriptorDacl
GetTokenInformation
GetSecurityDescriptorOwner
SetSecurityDescriptorOwner
IsValidSid
GetLengthSid
CopySid
GetSecurityDescriptorDacl
InitializeSid
GetSidLengthRequired
GetSecurityDescriptorSacl
InitializeAcl
AddAce
GetSecurityDescriptorControl
GetAclInformation
SetSecurityDescriptorGroup
MakeAbsoluteSD
GetSecurityDescriptorGroup
ImpersonateLoggedOnUser
GetSidSubAuthority
RevertToSelf

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

ExpandEnvironmentStringsW

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

GetSystemInfo
GetVersionExW
GetTickCount
GetSystemTimeAsFileTime
GetSystemTime

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

GlobalFree
LocalFree
LocalAlloc

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

OpenThread
OpenProcessToken
OpenThreadToken
TerminateThread
TlsFree
TlsGetValue
GetCurrentThread
SwitchToThread
CreateThread
GetCurrentThreadId
GetCurrentProcessId
TlsAlloc
TerminateProcess
GetCurrentProcess
TlsSetValue

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

QueryPerformanceCounter

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

OutputDebugStringA

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

GetACP
LCMapStringW

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

LoadLibraryW

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

CreateSemaphoreW
WaitForMultipleObjects

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

GetFileSize
CreateFileW
WriteFile
ReadFile
GetFileAttributesW
SetFilePointer
DeleteFileW

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

CloseHandle

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

DecodePointer
EncodePointer

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

HeapFree
HeapAlloc
HeapReAlloc
HeapSize
HeapDestroy
GetProcessHeap

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

SystemTimeToFileTime

kernel32

lstrlenA
lstrcmpiW

shlwapi

PathCanonicalizeW
PathFileExistsW
ord278
PathIsContentTypeW
PathQuoteSpacesW

user32

GetPropW
GetDlgItem
GetWindowRect
GetParent
SetDlgItemInt
RemovePropW
SetWindowLongW
SetFocus
GetWindowLongW
GetWindowTextW
DefWindowProcW
CreateWindowExW
UnregisterClassW
RegisterClassExW
GetClassInfoExW
PostMessageW
DestroyWindow
DispatchMessageW
SetTimer
PeekMessageW
MsgWaitForMultipleObjectsEx
PostThreadMessageW
KillTimer
SendMessageW
UnregisterClassA
SetWindowPos
ShowWindow
SetPropW
SetDlgItemTextW
GetMessageW
PostQuitMessage
TranslateMessage
LoadIconW
LoadImageW
DestroyIcon

dnsapi

DnsQuery_W
DnsFree

normaliz

IdnToUnicode
IdnToAscii

sspicli

LsaConnectUntrusted
LsaLookupAuthenticationPackage
LsaDeregisterLogonProcess
GetUserNameExW

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

RegSetKeyValueW

api-ms-win-core-file-l2-1-1

CreateDirectoryExW

crypt32

CertFindExtension
CryptBinaryToStringW
CryptUnprotectMemory
CryptProtectMemory
CertFreeCertificateContext
CertFreeCertificateChain
CertDuplicateCertificateContext
CertDuplicateCertificateChain
CertGetCertificateContextProperty
CryptSignMessage
CryptVerifyDetachedMessageSignature
CertCloseStore
CertGetCertificateChain
CertGetEnhancedKeyUsage
CryptDecodeObject
CryptProtectData
CryptStringToBinaryW
CryptMsgClose
CertOpenStore
CertVerifyCertificateChainPolicy
CryptMsgOpenToDecode
CryptMsgUpdate

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

ConvertSecurityDescriptorToStringSecurityDescriptorW

winhttp

WinHttpSetTimeouts
WinHttpSetCredentials
WinHttpQueryAuthSchemes
WinHttpQueryOption
WinHttpQueryDataAvailable
WinHttpSendRequest
WinHttpReadData
WinHttpQueryHeaders
WinHttpAddRequestHeaders
WinHttpReceiveResponse
WinHttpGetProxyForUrl
WinHttpCloseHandle
WinHttpConnect
WinHttpCrackUrl
WinHttpGetIEProxyConfigForCurrentUser
WinHttpOpen
WinHttpSetStatusCallback
WinHttpOpenRequest
WinHttpSetOption

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

CredGetSessionTypes
CredWriteW

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

UrlCreateFromPathW

cryptsp

CryptHashData
CryptCreateHash
CryptDestroyHash
CryptReleaseContext
CryptAcquireContextW
CryptGetHashParam

ntdll

RtlInitString

advapi32

RegOpenKeyTransactedW
IsTextUnicode
RegDeleteKeyW
GetUserNameW
RegCreateKeyTransactedW

shell32

Shell_NotifyIconW
SHFileOperationW
SHChangeNotify
SHCreateDirectoryExW
SHGetKnownFolderPath
SHCreateAssociationRegistration

wininet

InternetCanonicalizeUrlW
InternetCrackUrlW
InternetCombineUrlW
InternetCreateUrlW

credui

CredUIPromptForWindowsCredentialsW
CredUnPackAuthenticationBufferW

ktmw32

CreateTransaction
CommitTransaction

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer
RADCProcessGroupPolicyEx
RADCUISupportCreateDiscoveryStrategy
RADCUISupportCreateSubscriptionClient
TaskUpdateWorkspaces
TaskUpdateWorkspaces2
TaskUpdateWorkspacesIfNeeded
WorkspaceSilentSetupW
WorkspaceStatusNotify
WorkspaceStatusNotify2

Sections

.text
Size: 561KB - Virtual size: 561KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 11KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 136KB - Virtual size: 136KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 42KB - Virtual size: 41KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

6935ed0abeced62276248471a2f66ceb

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

ole32

oleaut32

rpcrt4

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

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

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-l1-1-0

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

kernel32

shlwapi

user32

dnsapi

normaliz

sspicli

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

api-ms-win-core-file-l2-1-1

crypt32

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

winhttp

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

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

cryptsp

ntdll

advapi32

shell32

wininet

credui

ktmw32

Exports

Exports

Sections

.text Size: 561KB - Virtual size: 561KB

.data Size: 11KB - Virtual size: 12KB

.idata Size: 12KB - Virtual size: 12KB

.rsrc Size: 136KB - Virtual size: 136KB

.reloc Size: 42KB - Virtual size: 41KB

.text
Size: 561KB - Virtual size: 561KB

.data
Size: 11KB - Virtual size: 12KB

.idata
Size: 12KB - Virtual size: 12KB

.rsrc
Size: 136KB - Virtual size: 136KB

.reloc
Size: 42KB - Virtual size: 41KB