libpng16[.]dll

Sharing

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General

Target

libpng16.dll
Size

201KB
MD5

14c644746545588084b92804c9bae9f9
SHA1

abd9b7ec53bb06046266a00fb8ce589469a9d0e1
SHA256

c43f4fa3351e29e3e4e5523c61c306b67bda058dbbfde83df867bf599b02f076
SHA512

0c4591567cfebe09c422407460963086464abfd6e3b9d655d84ca8d101e3bac4d689bb09af279a115d3f5d28d75d434e26b89ad4011f1a38d321bcfd52869ad9
SSDEEP

3072:9YZJpG6Ne2gbgubM0eKJRSB6cId56rFMa7+mit6lDWVUtGxl8TzJcLcabeIC/GWE:9YR3s2gc4JAId56umpiMlqOBebeKWE

Score

1^/10

Malware Config

Signatures

Files

libpng16.dll
.dll windows:6 windows x64 arch:x64

904e7c2cf6dc3265d317b2df84505665

Code Sign

0d:65:50:75:ec:c1:01:71:b5:42:cd:05:db:d2:c7:be
Certificate

Issuer

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

26/04/2021, 00:00

Not After

01/05/2024, 23:59

Subject

CN=LLC 1C-Soft,OU=LLC 1C-Soft,O=LLC 1C-Soft,L=Moscow,C=RU

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

22/10/2013, 12:00

Not After

22/10/2028, 12:00

Subject

CN=DigiCert SHA2 Assured ID Code Signing CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

10/11/2006, 00:00

Not After

10/11/2031, 00:00

Subject

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

Issuer

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Not Before

14/07/2023, 00:00

Not After

13/10/2034, 23:59

Subject

CN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

23/03/2022, 00:00

Not After

22/03/2037, 23:59

Subject

CN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

01/08/2022, 00:00

Not After

09/11/2031, 23:59

Subject

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

ec:e4:6c:3d:1f:a1:9f:11:cf:c3:1e:65:d1:d5:84:25:12:63:12:97:b5:48:2a:6c:65:25:1b:15:1e:b4:fc:73
Signer

Actual PE Digest

ec:e4:6c:3d:1f:a1:9f:11:cf:c3:1e:65:d1:d5:84:25:12:63:12:97:b5:48:2a:6c:65:25:1b:15:1e:b4:fc:73

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

PDB Paths

F:\ext\WKR\src\buildtrees\libpng\x64-windows-webkit-rel\libpng16.pdb

Imports

zlib1-v8

adler32
deflateInit2_
deflateReset
deflate
deflateEnd
inflateValidate
inflateInit2_
inflateReset2
inflate
inflateEnd
crc32
inflateReset

kernel32

IsDebuggerPresent
InitializeSListHead
DisableThreadLibraryCalls
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
ExitProcess
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
RtlCaptureContext

vcruntime140

__intrinsic_setjmp
__C_specific_handler
__std_type_info_destroy_list
longjmp
memcmp
memset
memcpy

api-ms-win-crt-heap-l1-1-0

malloc
free

api-ms-win-crt-stdio-l1-1-0

fflush
fread
fclose
fopen
__stdio_common_vfprintf
fwrite
ferror
__acrt_iob_func

api-ms-win-crt-math-l1-1-0

modf
frexp
pow
floor

api-ms-win-crt-runtime-l1-1-0

abort
_errno
strerror
_initterm
_initterm_e
_seh_filter_dll
_configure_narrow_argv
_initialize_narrow_environment
_initialize_onexit_table
_execute_onexit_table
_cexit

api-ms-win-crt-convert-l1-1-0

atof

api-ms-win-crt-filesystem-l1-1-0

remove

api-ms-win-crt-time-l1-1-0

_gmtime64

Exports

Exports

png_access_version_number
png_benign_error
png_build_grayscale_palette
png_calloc
png_chunk_benign_error
png_chunk_error
png_chunk_warning
png_convert_from_struct_tm
png_convert_from_time_t
png_convert_to_rfc1123
png_convert_to_rfc1123_buffer
png_create_info_struct
png_create_read_struct
png_create_read_struct_2
png_create_write_struct
png_create_write_struct_2
png_data_freer
png_destroy_info_struct
png_destroy_read_struct
png_destroy_write_struct
png_error
png_free
png_free_data
png_free_default
png_get_IHDR
png_get_PLTE
png_get_bKGD
png_get_bit_depth
png_get_cHRM
png_get_cHRM_XYZ
png_get_cHRM_XYZ_fixed
png_get_cHRM_fixed
png_get_channels
png_get_chunk_cache_max
png_get_chunk_malloc_max
png_get_color_type
png_get_compression_buffer_size
png_get_compression_type
png_get_copyright
png_get_current_pass_number
png_get_current_row_number
png_get_eXIf
png_get_eXIf_1
png_get_error_ptr
png_get_filter_type
png_get_gAMA
png_get_gAMA_fixed
png_get_hIST
png_get_header_ver
png_get_header_version
png_get_iCCP
png_get_image_height
png_get_image_width
png_get_int_32
png_get_interlace_type
png_get_io_chunk_type
png_get_io_ptr
png_get_io_state
png_get_libpng_ver
png_get_mem_ptr
png_get_oFFs
png_get_pCAL
png_get_pHYs
png_get_pHYs_dpi
png_get_palette_max
png_get_pixel_aspect_ratio
png_get_pixel_aspect_ratio_fixed
png_get_pixels_per_inch
png_get_pixels_per_meter
png_get_progressive_ptr
png_get_rgb_to_gray_status
png_get_rowbytes
png_get_rows
png_get_sBIT
png_get_sCAL
png_get_sCAL_fixed
png_get_sCAL_s
png_get_sPLT
png_get_sRGB
png_get_signature
png_get_tIME
png_get_tRNS
png_get_text
png_get_uint_16
png_get_uint_31
png_get_uint_32
png_get_unknown_chunks
png_get_user_chunk_ptr
png_get_user_height_max
png_get_user_transform_ptr
png_get_user_width_max
png_get_valid
png_get_x_offset_inches
png_get_x_offset_inches_fixed
png_get_x_offset_microns
png_get_x_offset_pixels
png_get_x_pixels_per_inch
png_get_x_pixels_per_meter
png_get_y_offset_inches
png_get_y_offset_inches_fixed
png_get_y_offset_microns
png_get_y_offset_pixels
png_get_y_pixels_per_inch
png_get_y_pixels_per_meter
png_handle_as_unknown
png_image_begin_read_from_file
png_image_begin_read_from_memory
png_image_begin_read_from_stdio
png_image_finish_read
png_image_free
png_image_write_to_file
png_image_write_to_memory
png_image_write_to_stdio
png_info_init_3
png_init_io
png_longjmp
png_malloc
png_malloc_default
png_malloc_warn
png_permit_mng_features
png_process_data
png_process_data_pause
png_process_data_skip
png_progressive_combine_row
png_read_end
png_read_image
png_read_info
png_read_png
png_read_row
png_read_rows
png_read_update_info
png_reset_zstream
png_save_int_32
png_save_uint_16
png_save_uint_32
png_set_IHDR
png_set_PLTE
png_set_add_alpha
png_set_alpha_mode
png_set_alpha_mode_fixed
png_set_bKGD
png_set_background
png_set_background_fixed
png_set_benign_errors
png_set_bgr
png_set_cHRM
png_set_cHRM_XYZ
png_set_cHRM_XYZ_fixed
png_set_cHRM_fixed
png_set_check_for_invalid_index
png_set_chunk_cache_max
png_set_chunk_malloc_max
png_set_compression_buffer_size
png_set_compression_level
png_set_compression_mem_level
png_set_compression_method
png_set_compression_strategy
png_set_compression_window_bits
png_set_crc_action
png_set_eXIf
png_set_eXIf_1
png_set_error_fn
png_set_expand
png_set_expand_16
png_set_expand_gray_1_2_4_to_8
png_set_filler
png_set_filter
png_set_filter_heuristics
png_set_filter_heuristics_fixed
png_set_flush
png_set_gAMA
png_set_gAMA_fixed
png_set_gamma
png_set_gamma_fixed
png_set_gray_to_rgb
png_set_hIST
png_set_iCCP
png_set_interlace_handling
png_set_invalid
png_set_invert_alpha
png_set_invert_mono
png_set_keep_unknown_chunks
png_set_longjmp_fn
png_set_mem_fn
png_set_oFFs
png_set_option
png_set_pCAL
png_set_pHYs
png_set_packing
png_set_packswap
png_set_palette_to_rgb
png_set_progressive_read_fn
png_set_quantize
png_set_read_fn
png_set_read_status_fn
png_set_read_user_chunk_fn
png_set_read_user_transform_fn
png_set_rgb_to_gray
png_set_rgb_to_gray_fixed
png_set_rows
png_set_sBIT
png_set_sCAL
png_set_sCAL_fixed
png_set_sCAL_s
png_set_sPLT
png_set_sRGB
png_set_sRGB_gAMA_and_cHRM
png_set_scale_16
png_set_shift
png_set_sig_bytes
png_set_strip_16
png_set_strip_alpha
png_set_swap
png_set_swap_alpha
png_set_tIME
png_set_tRNS
png_set_tRNS_to_alpha
png_set_text
png_set_text_compression_level
png_set_text_compression_mem_level
png_set_text_compression_method
png_set_text_compression_strategy
png_set_text_compression_window_bits
png_set_unknown_chunk_location
png_set_unknown_chunks
png_set_user_limits
png_set_user_transform_info
png_set_write_fn
png_set_write_status_fn
png_set_write_user_transform_fn
png_sig_cmp
png_start_read_image
png_warning
png_write_chunk
png_write_chunk_data
png_write_chunk_end
png_write_chunk_start
png_write_end
png_write_flush
png_write_image
png_write_info
png_write_info_before_PLTE
png_write_png
png_write_row
png_write_rows
png_write_sig

Sections

.text
Size: 140KB - Virtual size: 140KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 39KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 776B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

904e7c2cf6dc3265d317b2df84505665

Code Sign

0d:65:50:75:ec:c1:01:71:b5:42:cd:05:db:d2:c7:beCertificate

Extended Key Usages

Key Usages

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08Certificate

Extended Key Usages

Key Usages

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39Certificate

Key Usages

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate

Extended Key Usages

Key Usages

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate

Extended Key Usages

Key Usages

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate

Key Usages

ec:e4:6c:3d:1f:a1:9f:11:cf:c3:1e:65:d1:d5:84:25:12:63:12:97:b5:48:2a:6c:65:25:1b:15:1e:b4:fc:73Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

zlib1-v8

kernel32

vcruntime140

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-filesystem-l1-1-0

api-ms-win-crt-time-l1-1-0

Exports

Exports

Sections

.text Size: 140KB - Virtual size: 140KB

.rdata Size: 39KB - Virtual size: 39KB

.data Size: 512B - Virtual size: 1KB

.pdata Size: 8KB - Virtual size: 8KB

.rsrc Size: 1024B - Virtual size: 776B

.reloc Size: 512B - Virtual size: 48B

0d:65:50:75:ec:c1:01:71:b5:42:cd:05:db:d2:c7:be
Certificate

04:09:18:1b:5f:d5:bb:66:75:53:43:b5:6f:95:50:08
Certificate

0c:e7:e0:e5:17:d8:46:fe:8f:e5:60:fc:1b:f0:30:39
Certificate

05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16
Certificate

07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5b
Certificate

0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5a
Certificate

ec:e4:6c:3d:1f:a1:9f:11:cf:c3:1e:65:d1:d5:84:25:12:63:12:97:b5:48:2a:6c:65:25:1b:15:1e:b4:fc:73
Signer

.text
Size: 140KB - Virtual size: 140KB

.rdata
Size: 39KB - Virtual size: 39KB

.data
Size: 512B - Virtual size: 1KB

.pdata
Size: 8KB - Virtual size: 8KB

.rsrc
Size: 1024B - Virtual size: 776B

.reloc
Size: 512B - Virtual size: 48B