CVE-2021-21551[.]x64[.]dll

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General

Target

CVE-2021-21551.x64.dll
Size

48KB
MD5

324cc72853fa8d62c45a573990cd4880
SHA1

73b48ac8b3d807fcc796db3c2b59ee8b45126a08
SHA256

a80013697bd832a2a7fd977db9ca147f0e1782dbcaca4085b36bba1b26b90741
SHA512

6d7e14f23437fc966a017e553e32999d47ea0b4ab7c83afd438c66cfaf186f0fca1a4f5bbc86a0c49dab628733b8ca5f299d2c4190fd8ebbb432566b17ee38f2
SSDEEP

768:NHxrsSZixCnE4UDZ4tmPbzeNU+A0KWC4Moh/Lqndc/fKC4Y:NHxrpZnEjPbYM8DYCfKC4Y

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Device/HarddiskVolume3/$Recycle.Bin/S-1-5-21-1159581898-2029943322-2268025737-2727/$RNC412D/embedded/framework/data/exploits/CVE-2021-21551/CVE-2021-21551.x64.dll

Files

CVE-2021-21551.x64.dll
.zip

Password: S@ndb0x!2023@@
Device/HarddiskVolume3/$Recycle.Bin/S-1-5-21-1159581898-2029943322-2268025737-2727/$RNC412D/embedded/framework/data/exploits/CVE-2021-21551/CVE-2021-21551.x64.dll
.dll windows x64

Password: S@ndb0x!2023@@

736d54d20f5f81efee83cb5f287115cd

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

Imports

kernel32

CreateFileA
CloseHandle
HeapAlloc
HeapFree
GetProcessHeap
DeviceIoControl
GetCurrentProcessId
CreateThread
OpenProcess
VirtualAlloc
GetModuleHandleA
GetProcAddress
WriteConsoleW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
InterlockedFlushSList
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
RaiseException
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
GetStdHandle
GetFileType
GetStringTypeW
HeapSize
HeapReAlloc
SetStdHandle
FlushFileBuffers
WriteFile
GetConsoleOutputCP
GetConsoleMode
SetFilePointerEx
CreateFileW

Exports

Exports

ReflectiveLoader

Sections

.text
Size: 47KB - Virtual size: 46KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 36KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 244B

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
manifest.json

Sharing

General

Malware Config

Signatures

Files

Password: S@ndb0x!2023@@

Password: S@ndb0x!2023@@

736d54d20f5f81efee83cb5f287115cd

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Exports

Exports

Sections

.text Size: 47KB - Virtual size: 46KB

.rdata Size: 36KB - Virtual size: 35KB

.data Size: 2KB - Virtual size: 6KB

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

_RDATA Size: 512B - Virtual size: 244B

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

.text
Size: 47KB - Virtual size: 46KB

.rdata
Size: 36KB - Virtual size: 35KB

.data
Size: 2KB - Virtual size: 6KB

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

_RDATA
Size: 512B - Virtual size: 244B

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