api-ms-win-crt-stdio-l1-1-0[.]dll

Sharing

Copy URL Twitter E-mail

General

Target

api-ms-win-crt-stdio-l1-1-0.dll
Size

24KB
MD5

76e0a89c91a28cf7657779d998e679e5
SHA1

982b5da1c1f5b9d74af6243885bcba605d54df8c
SHA256

0189cbd84dea035763a7e52225e0f1a7dcec402734885413add324bffe688577
SHA512

d75d8798ea3c23b3998e8c3f19d0243a0c3a3262cffd8bcee0f0f0b75f0e990c9ce6644150d458e5702a8aa51b202734f7a9161e795f8121f061139ad2ea454f
SSDEEP

384:cZpFVhHW1hWdam0GftpBjFufm3SOFl4aRGWs:goNViuz/

Score

1^/10

Malware Config

Signatures

Files

api-ms-win-crt-stdio-l1-1-0.dll
.dll windows x64

Code Sign

33:00:00:00:bf:91:6c:fb:7c:1a:24:e0:22:00:00:00:00:00:bf
Certificate

Issuer

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

07/09/2016, 17:58

Not After

07/09/2018, 17:58

Subject

CN=Microsoft Time-Stamp Service,OU=AOC+OU=nCipher DSE ESN:57C8-2D15-1C8B,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

33:00:00:01:79:7c:2e:57:4e:52:e1:ca:d6:00:01:00:00:01:79
Certificate

Issuer

CN=Microsoft Code Signing PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

11/08/2017, 20:11

Not After

11/08/2018, 20:11

Subject

CN=Microsoft Corporation,OU=MOPR,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:33:26:1a:00:00:00:00:00:31
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

31/08/2010, 22:19

Not After

31/08/2020, 22:29

Subject

CN=Microsoft Code Signing PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

61:16:68:34:00:00:00:00:00:1c
Certificate

Issuer

CN=Microsoft Root Certificate Authority,0.9.2342.19200300.100.1.25=#13096d6963726f736f6674,0.9.2342.19200300.100.1.25=#1303636f6d

Not Before

03/04/2007, 12:53

Not After

03/04/2021, 13:03

Subject

CN=Microsoft Time-Stamp PCA,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:01:cc:b5:5b:42:17:07:60:13:11:00:00:00:00:01:cc
Certificate

Issuer

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

12/09/2017, 18:07

Not After

12/09/2018, 18:07

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0c:52:4c:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

06/07/2010, 20:40

Not After

06/07/2025, 20:50

Subject

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

45:4f:c8:5c:1c:8b:f0:7a:a2:4b:52:4e:de:56:92:fe:86:0f:5b:e1:ac:bd:f5:28:88:40:f5:57:cd:2e:c0:67
Signer

Actual PE Digest

45:4f:c8:5c:1c:8b:f0:7a:a2:4b:52:4e:de:56:92:fe:86:0f:5b:e1:ac:bd:f5:28:88:40:f5:57:cd:2e:c0:67

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

23/03/2023, 16:07
Valid: false

2d:34:b9:8c:2d:57:f8:ba:77:14:dc:90:d1:f0:dc:24:70:99:c2:8f
Signer

Actual PE Digest

2d:34:b9:8c:2d:57:f8:ba:77:14:dc:90:d1:f0:dc:24:70:99:c2:8f

Digest Algorithm

sha1

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

CN=Microsoft Corporation,OU=MOPR,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

20/04/2018, 14:37
Valid: false

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

Exports

Exports

__acrt_iob_func
__p__commode
__p__fmode
__stdio_common_vfprintf
__stdio_common_vfprintf_p
__stdio_common_vfprintf_s
__stdio_common_vfscanf
__stdio_common_vfwprintf
__stdio_common_vfwprintf_p
__stdio_common_vfwprintf_s
__stdio_common_vfwscanf
__stdio_common_vsnprintf_s
__stdio_common_vsnwprintf_s
__stdio_common_vsprintf
__stdio_common_vsprintf_p
__stdio_common_vsprintf_s
__stdio_common_vsscanf
__stdio_common_vswprintf
__stdio_common_vswprintf_p
__stdio_common_vswprintf_s
__stdio_common_vswscanf
_chsize
_chsize_s
_close
_commit
_creat
_dup
_dup2
_eof
_fclose_nolock
_fcloseall
_fflush_nolock
_fgetc_nolock
_fgetchar
_fgetwc_nolock
_fgetwchar
_filelength
_filelengthi64
_fileno
_flushall
_fputc_nolock
_fputchar
_fputwc_nolock
_fputwchar
_fread_nolock
_fread_nolock_s
_fseek_nolock
_fseeki64
_fseeki64_nolock
_fsopen
_ftell_nolock
_ftelli64
_ftelli64_nolock
_fwrite_nolock
_get_fmode
_get_osfhandle
_get_printf_count_output
_get_stream_buffer_pointers
_getc_nolock
_getcwd
_getdcwd
_getmaxstdio
_getw
_getwc_nolock
_getws
_getws_s
_isatty
_kbhit
_locking
_lseek
_lseeki64
_mktemp
_mktemp_s
_open
_open_osfhandle
_pclose
_pipe
_popen
_putc_nolock
_putw
_putwc_nolock
_putws
_read
_rmtmp
_set_fmode
_set_printf_count_output
_setmaxstdio
_setmode
_sopen
_sopen_dispatch
_sopen_s
_tell
_telli64
_tempnam
_ungetc_nolock
_ungetwc_nolock
_wcreat
_wfdopen
_wfopen
_wfopen_s
_wfreopen
_wfreopen_s
_wfsopen
_wmktemp
_wmktemp_s
_wopen
_wpopen
_write
_wsopen
_wsopen_dispatch
_wsopen_s
_wtempnam
_wtmpnam
_wtmpnam_s
clearerr
clearerr_s
fclose
feof
ferror
fflush
fgetc
fgetpos
fgets
fgetwc
fgetws
fopen
fopen_s
fputc
fputs
fputwc
fputws
fread
fread_s
freopen
freopen_s
fseek
fsetpos
ftell
fwrite
getc
getchar
gets
gets_s
getwc
getwchar
putc
putchar
puts
putwc
putwchar
rewind
setbuf
setvbuf
tmpfile
tmpfile_s
tmpnam
tmpnam_s
ungetc
ungetwc

Sections

.rdata
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 1008B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

33:00:00:00:bf:91:6c:fb:7c:1a:24:e0:22:00:00:00:00:00:bfCertificate

Extended Key Usages

33:00:00:01:79:7c:2e:57:4e:52:e1:ca:d6:00:01:00:00:01:79Certificate

Extended Key Usages

61:33:26:1a:00:00:00:00:00:31Certificate

Key Usages

61:16:68:34:00:00:00:00:00:1cCertificate

Extended Key Usages

Key Usages

33:00:00:01:cc:b5:5b:42:17:07:60:13:11:00:00:00:00:01:ccCertificate

Extended Key Usages

61:0c:52:4c:00:00:00:00:00:03Certificate

Key Usages

45:4f:c8:5c:1c:8b:f0:7a:a2:4b:52:4e:de:56:92:fe:86:0f:5b:e1:ac:bd:f5:28:88:40:f5:57:cd:2e:c0:67Signer

Signature Validations

Verification

23/03/2023, 16:07 Valid: false

2d:34:b9:8c:2d:57:f8:ba:77:14:dc:90:d1:f0:dc:24:70:99:c2:8fSigner

Signature Validations

Verification

20/04/2018, 14:37 Valid: false

Headers

DLL Characteristics

File Characteristics

Exports

Exports

Sections

.rdata Size: 7KB - Virtual size: 6KB

.rsrc Size: 1024B - Virtual size: 1008B

33:00:00:00:bf:91:6c:fb:7c:1a:24:e0:22:00:00:00:00:00:bf
Certificate

33:00:00:01:79:7c:2e:57:4e:52:e1:ca:d6:00:01:00:00:01:79
Certificate

61:33:26:1a:00:00:00:00:00:31
Certificate

61:16:68:34:00:00:00:00:00:1c
Certificate

33:00:00:01:cc:b5:5b:42:17:07:60:13:11:00:00:00:00:01:cc
Certificate

61:0c:52:4c:00:00:00:00:00:03
Certificate

45:4f:c8:5c:1c:8b:f0:7a:a2:4b:52:4e:de:56:92:fe:86:0f:5b:e1:ac:bd:f5:28:88:40:f5:57:cd:2e:c0:67
Signer

23/03/2023, 16:07
Valid: false

2d:34:b9:8c:2d:57:f8:ba:77:14:dc:90:d1:f0:dc:24:70:99:c2:8f
Signer

20/04/2018, 14:37
Valid: false

.rdata
Size: 7KB - Virtual size: 6KB

.rsrc
Size: 1024B - Virtual size: 1008B