MSAMRNBDecoder[.]dll

Sharing

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General

Target

MSAMRNBDecoder.dll
Size

124KB
MD5

3c57e4e1831a1be4aaf708c83ffca47c
SHA1

7fc6b0a67a8dee1b2ef219bfc3b2c1c0a916c14a
SHA256

0ae6993e9fcd399b791d3c2d76366fc432617679679cff6281549a4b7a6df868
SHA512

e4b95fcd6f0be41330264ec5f5a0e132c1f3b038f61e6f7947a158eb08e318bc562035a696c3e9ce7567ec286421ee5ce17bce161972ed7f65a3f1a52716ca66
SSDEEP

3072:V+mAR5Lpm1Evk1agOH2BROaLbW0BbZ9kH90BbZU0BbZ2jNcbSJX64/ac7uCcYzGQ:V4RO1QedaxgqbzGHzL

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
MSAMRNBDecoder.dll

Files

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

08b67aee79cf6d7547c6b39771496346

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

MSAMRNBDecoder.pdb

Imports

msvcrt

_amsg_exit
_unlock
__dllonexit
??1type_info@@UAE@XZ
_lock
_initterm
realloc
memmove
memcpy
__CxxFrameHandler3
_CxxThrowException
?what@exception@@UBEPBDXZ
??1exception@@UAE@XZ
_except_handler4_common
??0exception@@QAE@ABV0@@Z
??0exception@@QAE@ABQBDH@Z
??0exception@@QAE@ABQBD@Z
_purecall
_callnewh
malloc
free
??3@YAXPAX@Z
_onexit
_XcptFilter
memset

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

EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSection

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

DisableThreadLibraryCalls
GetModuleHandleExW
GetProcAddress
FreeLibrary
GetModuleFileNameW

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

RegCreateKeyExW
RegDeleteTreeW
RegCloseKey
RegSetValueExW

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

SetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetLastError

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

Sleep

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

QueryPerformanceCounter

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

GetCurrentProcess
TerminateProcess
GetCurrentThreadId
GetCurrentProcessId

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

GetTickCount
GetSystemTimeAsFileTime

mfplat

MFCreateMediaType
MFTRegister
MFTUnregister

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

HeapAlloc
HeapFree
GetProcessHeap

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

GetProcessMitigationPolicy

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

LocalFree
LocalAlloc

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

CloseHandle

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 115KB - Virtual size: 114KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 2KB - Virtual size: 2KB

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: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

08b67aee79cf6d7547c6b39771496346

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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-core-errorhandling-l1-1-0

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

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

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

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

mfplat

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

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

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

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

Exports

Exports

Sections

.text Size: 115KB - Virtual size: 114KB

.data Size: 1024B - Virtual size: 1KB

.idata Size: 2KB - Virtual size: 2KB

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

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

.text
Size: 115KB - Virtual size: 114KB

.data
Size: 1024B - Virtual size: 1KB

.idata
Size: 2KB - Virtual size: 2KB

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

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