avformat-57[.]dll

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General

Target

avformat-57.dll
Size

297KB
MD5

f37ef210e1ce4d99ce5bf523f65d58cf
SHA1

a7ee29de16f61dd5afbb3b08a0efc9f5dd0fff56
SHA256

3630f72bd107e959f634e4a01b99f650d64e01c910cf23ab23268451dd0b46da
SHA512

ea5c472b4207cb30cc1ffd1c21b959930470eca6a08f7f6b227805963b503897af939b5ad124785df6c2393d23a61648814ad0abb6f331fe92f66f3a4ab9cd91
SSDEEP

6144:5j5vXfhfnf1DvwHfDl6iuEdHCFzSms1qDf+e8vriEQeflSEUVe:55PZP9iuSmu31ieQedSEUU

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
avformat-57.dll

Files

avformat-57.dll
.dll windows:4 windows x86 arch:x86

e8cf8b1fa4b375a8b85607e625b33744

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
IMAGE_FILE_DLL

Imports

kernel32

DeleteCriticalSection
EnterCriticalSection
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetLastError
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetSystemTimeAsFileTime
GetTickCount
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
MultiByteToWideChar
QueryPerformanceCounter
SetUnhandledExceptionFilter
Sleep
TerminateProcess
TlsGetValue
UnhandledExceptionFilter
VirtualProtect
VirtualQuery
WideCharToMultiByte

msvcrt

__dllonexit
__mb_cur_max
_amsg_exit
_errno
_initterm
_iob
_lock
_onexit
gmtime
calloc
fputc
free
fwrite
getc
getenv
islower
isspace
isupper
isxdigit
localeconv
malloc
memcmp
memcpy
memmove
memset
realloc
setlocale
strchr
strcmp
strcpy
strcspn
strerror
strlen
strncmp
strrchr
strspn
strstr
strtol
strtoul
_unlock
abort
atoi
tolower
ungetc
vfprintf
wcslen

avcodec-57

av_bitstream_filter_filter
av_bsf_alloc
av_bsf_free
av_bsf_get_by_name
av_bsf_init
av_bsf_receive_packet
av_bsf_send_packet
av_codec_get_lowres
av_codec_is_decoder
av_codec_next
av_codec_set_lowres
av_codec_set_pkt_timebase
av_get_audio_frame_duration
av_get_audio_frame_duration2
av_get_bits_per_sample
av_grow_packet
av_init_packet
av_packet_alloc
av_packet_free
av_packet_get_side_data
av_packet_merge_side_data
av_packet_new_side_data
av_packet_ref
av_packet_split_side_data
av_packet_unref
av_parser_close
av_parser_init
av_parser_parse2
av_shrink_packet
avcodec_alloc_context3
avcodec_close
avcodec_decode_subtitle2
avcodec_descriptor_get
avcodec_find_decoder
avcodec_find_decoder_by_name
avcodec_free_context
avcodec_get_name
avcodec_is_open
avcodec_open2
avcodec_parameters_alloc
avcodec_parameters_copy
avcodec_parameters_free
avcodec_parameters_from_context
avcodec_parameters_to_context
avcodec_pix_fmt_to_codec_tag
avcodec_receive_frame
avcodec_register_all
avcodec_send_packet
avcodec_string
avpriv_codec_get_cap_skip_frame_fill_param
avpriv_find_pix_fmt
avpriv_get_raw_pix_fmt_tags
avpriv_h264_has_num_reorder_frames
avpriv_toupper4

avutil-55

av_add_stable
av_asprintf
av_bprint_append_data
av_bprint_finalize
av_buffer_alloc
av_buffer_create
av_buffer_default_free
av_buffer_unref
av_compare_mod
av_compare_ts
av_crc
av_crc_get_table
av_default_item_name
av_dict_copy
av_dict_count
av_dict_free
av_dict_get
av_dict_set
av_dict_set_int
av_display_rotation_get
av_div_q
av_dynarray_add
av_dynarray_add_nofree
av_fast_malloc
av_fast_realloc
av_fourcc_make_string
av_frame_alloc
av_frame_free
av_free
av_freep
av_gcd
av_get_channel_name
av_get_picture_type_char
av_gettime
av_gettime_relative
av_log
av_malloc
av_mallocz
av_match_list
av_match_name
av_memdup
av_mul_q
av_opt_copy
av_opt_free
av_opt_get
av_opt_get_dict_val
av_opt_next
av_opt_ptr
av_opt_set
av_opt_set_defaults
av_opt_set_dict
av_opt_set_dict2
av_opt_set_dict_val
av_opt_set_from_string
av_parse_time
av_pix_fmt_desc_get
av_realloc
av_realloc_array
av_realloc_f
av_reallocp
av_reduce
av_rescale
av_rescale_q
av_rescale_q_rnd
av_rescale_rnd
av_spherical_projection_name
av_spherical_tile_bounds
av_stereo3d_type_name
av_strcasecmp
av_strdup
av_strlcat
av_strlcatf
av_strlcpy
av_strncasecmp
av_strndup
av_strstart
av_usleep
avpriv_dict_set_timestamp

Exports

Exports

av_add_index_entry
av_append_packet
av_apply_bitstream_filters
av_codec_get_id
av_codec_get_tag
av_codec_get_tag2
av_demuxer_open
av_dump_format
av_filename_number_test
av_find_best_stream
av_find_default_stream_index
av_find_input_format
av_find_program_from_stream
av_fmt_ctx_get_duration_estimation_method
av_format_ffversion
av_format_get_audio_codec
av_format_get_control_message_cb
av_format_get_data_codec
av_format_get_metadata_header_padding
av_format_get_opaque
av_format_get_open_cb
av_format_get_probe_score
av_format_get_subtitle_codec
av_format_get_video_codec
av_format_inject_global_side_data
av_format_set_audio_codec
av_format_set_control_message_cb
av_format_set_data_codec
av_format_set_metadata_header_padding
av_format_set_opaque
av_format_set_open_cb
av_format_set_subtitle_codec
av_format_set_video_codec
av_get_frame_filename
av_get_frame_filename2
av_get_output_timestamp
av_get_packet
av_guess_codec
av_guess_format
av_guess_frame_rate
av_guess_sample_aspect_ratio
av_hex_dump
av_hex_dump_log
av_iformat_next
av_index_search_timestamp
av_interleaved_write_frame
av_interleaved_write_uncoded_frame
av_match_ext
av_new_program
av_oformat_next
av_pkt_dump2
av_pkt_dump_log2
av_probe_input_buffer
av_probe_input_buffer2
av_probe_input_format
av_probe_input_format2
av_probe_input_format3
av_program_add_stream_index
av_read_frame
av_read_pause
av_read_play
av_register_all
av_register_input_format
av_register_output_format
av_sdp_create
av_seek_frame
av_stream_add_side_data
av_stream_get_codec_timebase
av_stream_get_end_pts
av_stream_get_parser
av_stream_get_r_frame_rate
av_stream_get_recommended_encoder_configuration
av_stream_get_side_data
av_stream_new_side_data
av_stream_set_r_frame_rate
av_stream_set_recommended_encoder_configuration
av_url_split
av_write_frame
av_write_trailer
av_write_uncoded_frame
av_write_uncoded_frame_query
avformat_alloc_context
avformat_alloc_output_context2
avformat_close_input
avformat_configuration
avformat_find_stream_info
avformat_flush
avformat_free_context
avformat_get_class
avformat_get_riff_audio_tags
avformat_get_riff_video_tags
avformat_init_output
avformat_license
avformat_match_stream_specifier
avformat_network_deinit
avformat_network_init
avformat_new_stream
avformat_open_input
avformat_query_codec
avformat_queue_attached_pictures
avformat_seek_file
avformat_transfer_internal_stream_timing_info
avformat_version
avformat_write_header
avio_accept
avio_alloc_context
avio_check
avio_close
avio_close_dir
avio_close_dyn_buf
avio_closep
avio_context_free
avio_enum_protocols
avio_feof
avio_find_protocol_name
avio_flush
avio_free_directory_entry
avio_get_dyn_buf
avio_get_str
avio_get_str16be
avio_get_str16le
avio_handshake
avio_open
avio_open2
avio_open_dir
avio_open_dyn_buf
avio_pause
avio_printf
avio_put_str
avio_put_str16be
avio_put_str16le
avio_r8
avio_rb16
avio_rb24
avio_rb32
avio_rb64
avio_read
avio_read_dir
avio_read_partial
avio_read_to_bprint
avio_rl16
avio_rl24
avio_rl32
avio_rl64
avio_seek
avio_seek_time
avio_size
avio_skip
avio_w8
avio_wb16
avio_wb24
avio_wb32
avio_wb64
avio_wl16
avio_wl24
avio_wl32
avio_wl64
avio_write
avio_write_marker
avpriv_io_delete
avpriv_io_move
avpriv_new_chapter
avpriv_set_pts_info
ffio_open_dyn_packet_buf
ffio_set_buf_size
ffurl_close
ffurl_open
ffurl_write
url_feof

Sections

.text
Size: 239KB - Virtual size: 239KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 128B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 37KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 3KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 44B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 872B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

e8cf8b1fa4b375a8b85607e625b33744

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

avcodec-57

avutil-55

Exports

Exports

Sections

.text Size: 239KB - Virtual size: 239KB

.data Size: 512B - Virtual size: 128B

.rdata Size: 37KB - Virtual size: 36KB

.bss Size: - Virtual size: 3KB

.edata Size: 5KB - Virtual size: 4KB

.idata Size: 6KB - Virtual size: 6KB

.CRT Size: 512B - Virtual size: 44B

.tls Size: 512B - Virtual size: 32B

.rsrc Size: 1024B - Virtual size: 872B

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

.text
Size: 239KB - Virtual size: 239KB

.data
Size: 512B - Virtual size: 128B

.rdata
Size: 37KB - Virtual size: 36KB

.bss
Size: - Virtual size: 3KB

.edata
Size: 5KB - Virtual size: 4KB

.idata
Size: 6KB - Virtual size: 6KB

.CRT
Size: 512B - Virtual size: 44B

.tls
Size: 512B - Virtual size: 32B

.rsrc
Size: 1024B - Virtual size: 872B

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