Downloader[.]dll

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General

Target

Downloader.dll
Size

226KB
MD5

a09c5fa842fa4456a0b53b46f1050225
SHA1

9e4677f19e77bf55e7d0e2e82d8c27f79dbbd78e
SHA256

3d7ba6fedfdfd6e751693d718a21438304690b754d1c5d13c847a829b2423b8b
SHA512

71c962da6ed6894209891513bf9f0132a5eab6c65a5d9ba334efcaf73463be5625665a060863a106d59fad1949f6191f641aa4c59ddb0e825701bef08ef9b5a5
SSDEEP

6144:uAzjwJrwiF0ZoSEgzpGTHHukqYDrQr95IcwAlnlS83:4JciF8FWnukqYDrQB515

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Downloader.dll

Files

Downloader.dll
.dll windows:6 windows x86 arch:x86

Password: 2024Y

aafccacfab21614125f92d71852df37b

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

C:\projects\SDL_image\build-x86\external\libavif\Release\avif-16.pdb

Imports

dav1d

dav1d_data_wrap
dav1d_close
dav1d_get_picture
dav1d_send_data
dav1d_open
dav1d_default_settings
dav1d_version
dav1d_data_unref
dav1d_picture_unref

aom

aom_img_alloc
aom_codec_av1_cx
aom_codec_get_cx_data
aom_codec_encode
aom_codec_enc_config_set
aom_codec_enc_config_default
aom_codec_enc_init_ver
aom_codec_set_option
aom_codec_control
aom_codec_destroy
aom_codec_error_detail
aom_codec_error
aom_codec_err_to_string
aom_codec_version_str
aom_codec_version
aom_img_free

kernel32

GetProcAddress
SetEndOfFile
HeapReAlloc
HeapSize
CreateFileW
GetConsoleOutputCP
WriteFile
FlushFileBuffers
SetStdHandle
GetStringTypeW
GetProcessHeap
FreeEnvironmentStringsW
GetEnvironmentStringsW
WideCharToMultiByte
MultiByteToWideChar
GetCommandLineW
GetCommandLineA
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
CloseHandle
WaitForSingleObject
DecodePointer
IsProcessorFeaturePresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
InterlockedFlushSList
RtlUnwind
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
WriteConsoleW
LoadLibraryExW
EncodePointer
RaiseException
ReadFile
CreateThread
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
ExitProcess
GetModuleFileNameW
HeapFree
HeapAlloc
GetStdHandle
GetFileType
GetConsoleMode
ReadConsoleW
SetFilePointerEx
LCMapStringW

Exports

Exports

avifAlloc
avifCleanApertureBoxConvertCropRect
avifCodecChoiceFromName
avifCodecName
avifCodecVersions
avifColorPrimariesFind
avifColorPrimariesGetValues
avifCropRectConvertCleanApertureBox
avifDecoderCreate
avifDecoderDecodedRowCount
avifDecoderDestroy
avifDecoderIsKeyframe
avifDecoderNearestKeyframe
avifDecoderNextImage
avifDecoderNthImage
avifDecoderNthImageMaxExtent
avifDecoderNthImageTiming
avifDecoderParse
avifDecoderRead
avifDecoderReadFile
avifDecoderReadMemory
avifDecoderReset
avifDecoderSetIO
avifDecoderSetIOFile
avifDecoderSetIOMemory
avifDecoderSetSource
avifDiagnosticsClearError
avifEncoderAddImage
avifEncoderAddImageGrid
avifEncoderCreate
avifEncoderDestroy
avifEncoderFinish
avifEncoderSetCodecSpecificOption
avifEncoderWrite
avifFree
avifFullToLimitedUV
avifFullToLimitedY
avifGetExifOrientationOffset
avifGetExifTiffHeaderOffset
avifGetPixelFormatInfo
avifIOCreateFileReader
avifIOCreateMemoryReader
avifIODestroy
avifImageAllocatePlanes
avifImageCopy
avifImageCreate
avifImageCreateEmpty
avifImageDestroy
avifImageFreePlanes
avifImageIsOpaque
avifImagePlane
avifImagePlaneHeight
avifImagePlaneRowBytes
avifImagePlaneWidth
avifImageRGBToYUV
avifImageSetMetadataExif
avifImageSetMetadataXMP
avifImageSetProfileICC
avifImageSetViewRect
avifImageStealPlanes
avifImageUsesU16
avifImageYUVToRGB
avifLibYUVVersion
avifLimitedToFullUV
avifLimitedToFullY
avifPeekCompatibleFileType
avifPixelFormatToString
avifProgressiveStateToString
avifRGBFormatChannelCount
avifRGBFormatHasAlpha
avifRGBImageAllocatePixels
avifRGBImageFreePixels
avifRGBImagePixelSize
avifRGBImagePremultiplyAlpha
avifRGBImageSetDefaults
avifRGBImageUnpremultiplyAlpha
avifRWDataFree
avifRWDataRealloc
avifRWDataSet
avifResultToString
avifTransferCharacteristicsFindByGamma
avifTransferCharacteristicsGetGamma
avifVersion

Sections

.text
Size: 173KB - Virtual size: 173KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 42KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Password: 2024Y

aafccacfab21614125f92d71852df37b

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

dav1d

aom

kernel32

Exports

Exports

Sections

.text Size: 173KB - Virtual size: 173KB

.rdata Size: 42KB - Virtual size: 42KB

.data Size: 2KB - Virtual size: 4KB

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 6KB - Virtual size: 5KB

.text
Size: 173KB - Virtual size: 173KB

.rdata
Size: 42KB - Virtual size: 42KB

.data
Size: 2KB - Virtual size: 4KB

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 6KB - Virtual size: 5KB