avcodec-60[.]dll

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General

Target

avcodec-60.dll
Size

3.0MB
MD5

e50398267d35880d711df9647fe5dc02
SHA1

8bdd5dff1dd825e3b0c9985ae593cdd59028ba88
SHA256

2686b603a8544493d064449486175b910d79f11630489791d635a621149b9619
SHA512

fe4381faee9c89a2ec5c47340cee6100afcf6af381e6d742a48f02770a002f7acfb4d575cd9071f43ac2fcce12bbb723caae9f8688195a574aba7c7ed5ee4826
SSDEEP

49152:F8O062u2ygwDDAymr9mXl97KFCRWBg9HFTLRtJb+rJA:f0I9Xd9TteJ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
avcodec-60.dll

Files

avcodec-60.dll
.dll windows x64

5edd597ceb514ccbc0619480bd4be478

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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_DEBUG_STRIPPED

Imports

kernel32

AcquireSRWLockExclusive
CloseHandle
DeleteCriticalSection
EnterCriticalSection
GetLastError
InitOnceBeginInitialize
InitOnceComplete
InitializeConditionVariable
InitializeCriticalSection
InitializeSRWLock
IsDBCSLeadByteEx
LeaveCriticalSection
MultiByteToWideChar
ReleaseMutex
ReleaseSRWLockExclusive
Sleep
SleepConditionVariableSRW
TlsGetValue
VirtualProtect
VirtualQuery
WaitForSingleObjectEx
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte

msvcrt

___lc_codepage_func
___mb_cur_max_func
__iob_func
__setusermatherr
_amsg_exit
_beginthreadex
_errno
_hypot
_initterm
_lock
_unlock
abort
bsearch
calloc
fputc
free
fwrite
getc
islower
isspace
isupper
isxdigit
localeconv
malloc
memchr
memcmp
memcpy
memmove
memset
realloc
strcmp
strerror
strlen
strncmp
strtol
strtoul
tolower
ungetc
vfprintf
wcslen

ole32

CoTaskMemFree

zlib1

inflate
inflateEnd
inflateInit_
inflateReset

avutil-58

av_ambient_viewing_environment_create_side_data
av_audio_fifo_alloc
av_audio_fifo_drain
av_audio_fifo_free
av_audio_fifo_read
av_audio_fifo_size
av_audio_fifo_write
av_bprint_chars
av_bprint_finalize
av_bprint_get_buffer
av_bprint_init
av_bprint_init_for_buffer
av_bprintf
av_buffer_alloc
av_buffer_allocz
av_buffer_create
av_buffer_default_free
av_buffer_get_ref_count
av_buffer_is_writable
av_buffer_pool_get
av_buffer_pool_init
av_buffer_pool_uninit
av_buffer_realloc
av_buffer_ref
av_buffer_replace
av_buffer_unref
av_calloc
av_channel_layout_check
av_channel_layout_compare
av_channel_layout_copy
av_channel_layout_describe
av_channel_layout_from_mask
av_channel_layout_uninit
av_chroma_location_enum_to_pos
av_chroma_location_name
av_chroma_location_pos_to_enum
av_color_primaries_name
av_color_range_name
av_color_space_name
av_color_transfer_name
av_content_light_metadata_create_side_data
av_cpu_count
av_crc
av_crc_get_table
av_csp_primaries_id_from_desc
av_default_item_name
av_dict_free
av_dict_iterate
av_dict_set
av_display_matrix_flip
av_display_rotation_set
av_div_q
av_dovi_metadata_alloc
av_dynamic_hdr_plus_alloc
av_dynamic_hdr_vivid_alloc
av_dynarray_add_nofree
av_fast_malloc
av_fast_mallocz
av_fast_realloc
av_film_grain_params_create_side_data
av_find_best_pix_fmt_of_2
av_fourcc_make_string
av_frame_alloc
av_frame_apply_cropping
av_frame_copy
av_frame_copy_props
av_frame_free
av_frame_get_buffer
av_frame_get_side_data
av_frame_is_writable
av_frame_move_ref
av_frame_new_side_data
av_frame_new_side_data_from_buf
av_frame_ref
av_frame_remove_side_data
av_frame_unref
av_free
av_freep
av_gcd
av_get_bits_per_pixel
av_get_bytes_per_sample
av_get_cpu_flags
av_get_media_type_string
av_get_picture_type_char
av_get_pix_fmt_name
av_get_planar_sample_fmt
av_get_sample_fmt_name
av_get_token
av_hwdevice_get_type_name
av_hwframe_ctx_alloc
av_hwframe_ctx_init
av_hwframe_get_buffer
av_image_check_sar
av_image_check_size
av_image_check_size2
av_image_copy
av_image_copy_plane
av_image_fill_linesizes
av_image_fill_plane_sizes
av_image_get_linesize
av_log
av_log_get_level
av_log_once
av_malloc
av_malloc_array
av_mallocz
av_mastering_display_metadata_create_side_data
av_match_list
av_md5_alloc
av_md5_final
av_md5_init
av_md5_update
av_memcpy_backptr
av_memdup
av_mul_q
av_opt_copy
av_opt_free
av_opt_get_int
av_opt_next
av_opt_set
av_opt_set_chlayout
av_opt_set_defaults
av_opt_set_defaults2
av_opt_set_dict
av_opt_set_dict2
av_opt_set_from_string
av_opt_set_int
av_pix_fmt_count_planes
av_pix_fmt_desc_get
av_pix_fmt_get_chroma_sub_sample
av_realloc
av_realloc_array
av_realloc_f
av_reallocp
av_reallocp_array
av_reduce
av_rescale_q
av_sample_fmt_is_planar
av_samples_copy
av_samples_fill_arrays
av_samples_get_buffer_size
av_samples_set_silence
av_stereo3d_create_side_data
av_strerror
av_strlcatf
av_strtok
av_timecode_get_smpte
av_timecode_make_smpte_tc_string2
av_tx_init
av_tx_uninit
av_usleep
av_video_enc_params_create_side_data
avpriv_float_dsp_alloc
avpriv_report_missing_feature
avpriv_request_sample
avpriv_slicethread_create
avpriv_slicethread_execute
avpriv_slicethread_free

swresample-4

swr_alloc
swr_close
swr_convert
swr_free
swr_init
swr_is_initialized

Exports

Exports

av_ac3_parse_header
av_adts_header_parse
av_bsf_alloc
av_bsf_flush
av_bsf_free
av_bsf_get_by_name
av_bsf_get_class
av_bsf_get_null_filter
av_bsf_init
av_bsf_iterate
av_bsf_list_alloc
av_bsf_list_append
av_bsf_list_append2
av_bsf_list_finalize
av_bsf_list_free
av_bsf_list_parse_str
av_bsf_receive_packet
av_bsf_send_packet
av_codec_ffversion
av_codec_is_decoder
av_codec_is_encoder
av_codec_iterate
av_cpb_properties_alloc
av_d3d11va_alloc_context
av_dirac_parse_sequence_header
av_dv_codec_profile
av_dv_codec_profile2
av_dv_frame_profile
av_fast_padded_malloc
av_fast_padded_mallocz
av_get_audio_frame_duration
av_get_audio_frame_duration2
av_get_bits_per_sample
av_get_exact_bits_per_sample
av_get_pcm_codec
av_get_profile_name
av_grow_packet
av_init_packet
av_jni_get_java_vm
av_jni_set_java_vm
av_mediacodec_alloc_context
av_mediacodec_default_free
av_mediacodec_default_init
av_mediacodec_release_buffer
av_mediacodec_render_buffer_at_time
av_new_packet
av_packet_add_side_data
av_packet_alloc
av_packet_clone
av_packet_copy_props
av_packet_free
av_packet_free_side_data
av_packet_from_data
av_packet_get_side_data
av_packet_make_refcounted
av_packet_make_writable
av_packet_move_ref
av_packet_new_side_data
av_packet_pack_dictionary
av_packet_ref
av_packet_rescale_ts
av_packet_shrink_side_data
av_packet_side_data_name
av_packet_unpack_dictionary
av_packet_unref
av_parser_close
av_parser_init
av_parser_iterate
av_parser_parse2
av_qsv_alloc_context
av_shrink_packet
av_vorbis_parse_frame
av_vorbis_parse_frame_flags
av_vorbis_parse_free
av_vorbis_parse_init
av_vorbis_parse_reset
av_xiphlacing
avcodec_align_dimensions
avcodec_align_dimensions2
avcodec_alloc_context3
avcodec_chroma_pos_to_enum
avcodec_close
avcodec_configuration
avcodec_dct_alloc
avcodec_dct_get_class
avcodec_dct_init
avcodec_decode_subtitle2
avcodec_default_execute
avcodec_default_execute2
avcodec_default_get_buffer2
avcodec_default_get_encode_buffer
avcodec_default_get_format
avcodec_descriptor_get
avcodec_descriptor_get_by_name
avcodec_descriptor_next
avcodec_encode_subtitle
avcodec_enum_to_chroma_pos
avcodec_fill_audio_frame
avcodec_find_best_pix_fmt_of_list
avcodec_find_decoder
avcodec_find_decoder_by_name
avcodec_find_encoder
avcodec_find_encoder_by_name
avcodec_flush_buffers
avcodec_free_context
avcodec_get_class
avcodec_get_hw_config
avcodec_get_hw_frames_parameters
avcodec_get_name
avcodec_get_subtitle_rect_class
avcodec_get_type
avcodec_is_open
avcodec_license
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_profile_name
avcodec_receive_frame
avcodec_receive_packet
avcodec_send_frame
avcodec_send_packet
avcodec_string
avcodec_version
avpriv_ac3_parse_header
avpriv_adts_header_parse
avpriv_codec_get_cap_skip_frame_fill_param
avpriv_find_start_code
avpriv_get_raw_pix_fmt_tags
avpriv_h264_has_num_reorder_frames
avpriv_mpeg4audio_get_config2
avpriv_packet_list_free
avpriv_packet_list_get
avpriv_packet_list_put
avpriv_pix_fmt_find
avpriv_split_xiph_headers
avsubtitle_free

Sections

.text
Size: 2.5MB - Virtual size: 2.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 224B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 333KB - Virtual size: 332KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 41KB - Virtual size: 41KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 57KB - Virtual size: 56KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 348KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 88B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1024B - Virtual size: 848B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5edd597ceb514ccbc0619480bd4be478

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

ole32

zlib1

avutil-58

swresample-4

Exports

Exports

Sections

.text Size: 2.5MB - Virtual size: 2.5MB

.data Size: 512B - Virtual size: 224B

.rdata Size: 333KB - Virtual size: 332KB

.pdata Size: 41KB - Virtual size: 41KB

.xdata Size: 57KB - Virtual size: 56KB

.bss Size: - Virtual size: 348KB

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

.idata Size: 10KB - Virtual size: 9KB

.CRT Size: 512B - Virtual size: 88B

.tls Size: 512B - Virtual size: 16B

.rsrc Size: 1024B - Virtual size: 848B

.reloc Size: 8KB - Virtual size: 7KB

.text
Size: 2.5MB - Virtual size: 2.5MB

.data
Size: 512B - Virtual size: 224B

.rdata
Size: 333KB - Virtual size: 332KB

.pdata
Size: 41KB - Virtual size: 41KB

.xdata
Size: 57KB - Virtual size: 56KB

.bss
Size: - Virtual size: 348KB

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

.idata
Size: 10KB - Virtual size: 9KB

.CRT
Size: 512B - Virtual size: 88B

.tls
Size: 512B - Virtual size: 16B

.rsrc
Size: 1024B - Virtual size: 848B

.reloc
Size: 8KB - Virtual size: 7KB