dsregtask[.]dll

Sharing

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General

Target

dsregtask.dll
Size

38KB
MD5

639da399452beb589db85eb5ff12cb9c
SHA1

3148d40272fb7aa43c7c952130b5520e93f89bdd
SHA256

7b76bbffd65db0e795b657a778a66127f3307a504e4a1b00d9c7233591bab8e3
SHA512

d6ec5c2b5d56ab5acd37037f343d34a84d5ff5d83426b9c83b2eee5ccf1108ff742335fa1c3e147a8f4a1b7caa1052c549ce0fe021b36702d727f3e4a65bf649
SSDEEP

768:69aLAEIB4mZCRSIYDG2gFxELzlS///3WdbmjTM:PLAEI+cCRS3BhfAXudb6

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
dsregtask.dll

Files

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

9b372845605ca817934a5d0a4e46905e

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

dsregtask.pdb

Imports

msvcrt

_errno
_purecall
memmove
_except_handler4_common
_onexit
__dllonexit
_unlock
_lock
_initterm
_amsg_exit
_XcptFilter
_callnewh
malloc
free
_wcsdup
_vsnwprintf
memcmp
memcpy
memset

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

CoTaskMemFree
StringFromCLSID

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

AcquireSRWLockExclusive
WaitForSingleObjectEx
ReleaseSRWLockExclusive
AcquireSRWLockShared
CreateMutexExW
ReleaseMutex
InitializeCriticalSectionEx
SetEvent
ReleaseSRWLockShared
DeleteCriticalSection
LeaveCriticalSection
CreateEventExW
ReleaseSemaphore
EnterCriticalSection
WaitForSingleObject
CreateSemaphoreExW
OpenSemaphoreW

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

GetProcAddress
GetModuleFileNameA
FreeLibrary
FreeLibraryAndExitThread
GetModuleHandleExW
GetModuleFileNameW
DisableThreadLibraryCalls
GetModuleHandleW

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

RegOpenKeyExW
RegSetValueExW
RegCloseKey
RegDeleteKeyExW
RegCreateKeyExW

api-ms-win-rtcore-ntuser-window-l1-1-0

TranslateMessage
PeekMessageW
DispatchMessageW

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

GetCurrentThreadId
TerminateProcess
GetCurrentProcess
ResumeThread
GetCurrentProcessId
CreateThread

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

GetLastError
SetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter

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

CloseHandle

api-ms-win-rtcore-ntuser-synch-l1-1-0

MsgWaitForMultipleObjects

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

Sleep

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

QueryPerformanceCounter

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

GetTickCount
GetSystemTimeAsFileTime

dsreg

DsrBeginDeviceUpdate

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

EventRegister
EventUnregister
EventWriteTransfer

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

FormatMessageW

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

DebugBreak
OutputDebugStringW
IsDebuggerPresent
OutputDebugStringA

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

GetProcessHeap
HeapAlloc
HeapFree

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

SetThreadpoolTimer
CreateThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CloseThreadpoolTimer

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

CompareStringEx

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 30KB - Virtual size: 29KB

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: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9b372845605ca817934a5d0a4e46905e

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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

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

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

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

api-ms-win-rtcore-ntuser-window-l1-1-0

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

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

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

api-ms-win-rtcore-ntuser-synch-l1-1-0

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

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

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

dsreg

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 30KB - Virtual size: 29KB

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

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

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

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 30KB - Virtual size: 29KB

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

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

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

.reloc
Size: 2KB - Virtual size: 1KB