MSAMRNBDecoder[.]dll

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General

Target

MSAMRNBDecoder.dll
Size

128KB
MD5

b48ea6cdd8d44058031bc2323efee3ba
SHA1

78e7613ae40fc52b143c0f30e468c217ea1c6697
SHA256

a79d9384df54899f8bf3dfe6e4cfd6ae9c00440d8b512f0ae996cedd5da18529
SHA512

e4dc637a82ca8c45411e91c97a9e23adde6bb6e5401c50ead65b0a09957d04a7bcb883c8c37f2ddda85eeb23ca4a2209da613bb5324787aaf69a084d4fd98f1d
SSDEEP

3072:P+iAR5LJm1kvkdxlGP/c7X0x5SfJ5xVLoJcsIRVGM072Lb21ZBy85w/f4LV1T9xG:PkRu1w2xlww5T3f0aq/T9F2

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: 119KB - Virtual size: 118KB

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: 119KB - Virtual size: 118KB

.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: 119KB - Virtual size: 118KB

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

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

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

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