DfsShlEx[.]dll

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General

Target

DfsShlEx.dll
Size

56KB
MD5

d9267c4719d00389fa7a5431ad61aa96
SHA1

6ac21ee66174a6ae3780e466a22338cb2ac541be
SHA256

46891946d7db6398cc85b1ecf6a2411361d50b2e427ad4d4b4a0cfbdcb23d4b3
SHA512

09d83bcfdee65f8a3f81a818d5dba0cf6bd068fa1a3313ba3e9ebb87c82f8a20fcd1715104132189928f1bcb1545d8ff51cb48e8565220aa30d08fc798f2b065
SSDEEP

1536:Y1TFzeJAdcnBo6IStuhBy6QoHKAuk33BJjD:BJACTtuhrtHKA733BJjD

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

986b06822b0ac2d76236f78f71ec7cf7

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

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

ntdll

NtQueryInformationFile
NtClose
RtlInitUnicodeString
NtOpenFile
NtFsControlFile
NtCreateFile
RtlNtStatusToDosError

kernel32

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

user32

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

gdi32

DeleteObject
GetObjectW

advapi32

RegEnumKeyExW
RegQueryValueExW
RegCloseKey
RegQueryInfoKeyW
RegCreateKeyExW
RegOpenKeyExW
RegSetValueExW
RegDeleteValueW

shell32

DragQueryFileW

ole32

StringFromGUID2
CoCreateInstance
CoTaskMemFree
CoTaskMemRealloc
CoGetObject
ReleaseStgMedium
CoTaskMemAlloc

oleaut32

LoadTypeLi
SysAllocStringLen
VarBstrCat
SysStringLen
SysAllocString
RegisterTypeLi
SysFreeString
VarUI4FromStr

netutils

NetApiBufferFree

dfscli

NetDfsGetClientInfo
NetDfsSetClientInfo

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 41KB - Virtual size: 40KB

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: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

986b06822b0ac2d76236f78f71ec7cf7

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

ntdll

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

netutils

dfscli

Exports

Exports

Sections

.text Size: 41KB - Virtual size: 40KB

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

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

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

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

.text
Size: 41KB - Virtual size: 40KB

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

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

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

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