DfsShlEx[.]dll

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General

Target

DfsShlEx.dll
Size

60KB
MD5

3e4e6561859f1a5797a56c7618c0faca
SHA1

9d5ac8bfbd280d7be40067cb08ad0ce58af49d30
SHA256

25ccd2652083a91bc78006e0a1add971af55805c775de8b5d38c806f1e81f2a7
SHA512

e696b9795a21740c6585e3f6a0b4821a2ab0f86f8cb7fb4c2311b809168ee17f09a8cb9ac48fc0e089753afa8426caa786589adead7c3b442cf8d0f2d9563de0
SSDEEP

1536:M+9yvzr22pEbcxiDdFibf8xZWuufEtxYyk33NQyE0Y:M+kvzr22ubcVf8xZWJMtxYH33NVr

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
DfsShlEx.dll

Files

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

7c9f7cacf3159a716990ce93a4123db3

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

DfsShlEx.pdb

Imports

msvcrt

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

ntdll

NtClose
RtlInitUnicodeString
NtQueryInformationFile
NtOpenFile
NtFsControlFile
NtCreateFile
RtlNtStatusToDosError

kernel32

HeapFree
GetTickCount
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
Sleep
InterlockedPopEntrySList
InterlockedPushEntrySList
FlushInstructionCache
GetProcessHeap
IsProcessorFeaturePresent
DecodePointer
HeapAlloc
EncodePointer
LoadLibraryExA
VirtualAlloc
GetCurrentProcess
VirtualFree
LocalFree
FormatMessageW
GetCurrentThreadId
GetFileAttributesW
LoadLibraryA
GetDriveTypeW
SizeofResource
SetLastError
EnterCriticalSection
OutputDebugStringA
GetModuleFileNameW
LeaveCriticalSection
InitializeCriticalSection
GetModuleHandleA
MultiByteToWideChar
GetLastError
DisableThreadLibraryCalls
RaiseException
LoadLibraryW
FindResourceExW
LoadResource
GetProcAddress
DeleteCriticalSection
GetModuleHandleW
FreeLibrary
lstrcmpiW
LoadLibraryExW

user32

GetDlgItem
UnregisterClassA
GetWindowRect
MessageBoxW
SendMessageW
GetSystemMetrics
LoadStringW
GetActiveWindow
SetDlgItemTextW
SendDlgItemMessageW
SetWindowLongW
SetCursor
GetParent
LoadImageW
EnableWindow
LoadCursorW
ShowCursor
CharNextW

gdi32

DeleteObject
GetObjectW

advapi32

RegEnumKeyExW
RegOpenKeyExW
RegQueryValueExW
RegCloseKey
RegQueryInfoKeyW
RegCreateKeyExW
RegSetValueExW
RegDeleteValueW

shell32

DragQueryFileW

ole32

CoTaskMemAlloc
StringFromGUID2
CoCreateInstance
CoTaskMemFree
ReleaseStgMedium
CoGetObject
CoTaskMemRealloc

oleaut32

LoadTypeLi
SysAllocStringLen
VarBstrCat
SysStringLen
SysAllocString
RegisterTypeLi
VarUI4FromStr
SysFreeString

netutils

NetApiBufferFree

dfscli

NetDfsGetClientInfo
NetDfsSetClientInfo

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 44KB - Virtual size: 43KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7c9f7cacf3159a716990ce93a4123db3

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

ntdll

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

netutils

dfscli

Exports

Exports

Sections

.text Size: 44KB - Virtual size: 43KB

.data Size: 512B - Virtual size: 1KB

.idata Size: 4KB - Virtual size: 3KB

.rsrc Size: 7KB - Virtual size: 6KB

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

.text
Size: 44KB - Virtual size: 43KB

.data
Size: 512B - Virtual size: 1KB

.idata
Size: 4KB - Virtual size: 3KB

.rsrc
Size: 7KB - Virtual size: 6KB

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