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

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General

Target

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

26KB
MD5

5df2410c0afd30c9a11de50de4798089
SHA1

4112c5493009a1d01090ccae810500c765dc6d54
SHA256

e6a1ef1f7c1957c50a3d9c1d70c0f7b0d8badc7f279cd056eb179dc256bfefda
SHA512

8ecb79078d05d5b2a432f511953985b3253d5d43d87709a5795709ee8dbca63c5f1166ed94d8984c13f2ea06adfa7d6b82c6735c23c6e64f2f37a257066864e6
SSDEEP

384:WnZpFVhXWfhW2Lm0Gfi3RKllGBwLeb+Jl0huSwpSs:a+rRlkLelhepSs

Score

1^/10

Malware Config

Signatures

Files

api-ms-win-crt-stdio-l1-1-0.dll
.dll windows:10 windows x64 arch:x64

Code Sign

33:00:00:01:b2:4a:37:c6:c9:7e:01:68:86:00:01:00:00:01:b2
Certificate

Issuer

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

Not Before

12/07/2018, 20:11

Not After

26/07/2019, 20:11

Subject

CN=Microsoft Corporation,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

33:00:00:02:39:b2:b4:e8:2a:22:34:49:2f:00:00:00:00:02:39
Certificate

Issuer

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

Not Before

12/07/2018, 20:07

Not After

08/08/2019, 20:07

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

da:34:6d:89:13:fd:ec:58:53:71:21:ab:91:c1:2a:fc:56:4c:a2:fe:f2:1a:67:de:84:30:3b:47:31:38:5b:1c
Signer

Actual PE Digest

da:34:6d:89:13:fd:ec:58:53:71:21:ab:91:c1:2a:fc:56:4c:a2:fe:f2:1a:67:de:84:30:3b:47:31:38:5b:1c

Digest Algorithm

sha256

PE Digest Matches

true

ba:e9:ed:3c:48:cf:9b:9e:72:b3:43:07:6a:35:f1:53:91:af:5f:0c
Signer

Actual PE Digest

ba:e9:ed:3c:48:cf:9b:9e:72:b3:43:07:6a:35:f1:53:91:af:5f:0c

Digest Algorithm

sha1

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

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

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

33:00:00:01:b2:4a:37:c6:c9:7e:01:68:86:00:01:00:00:01:b2Certificate

Extended Key Usages

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

Key Usages

33:00:00:02:39:b2:b4:e8:2a:22:34:49:2f:00:00:00:00:02:39Certificate

Extended Key Usages

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

Key Usages

da:34:6d:89:13:fd:ec:58:53:71:21:ab:91:c1:2a:fc:56:4c:a2:fe:f2:1a:67:de:84:30:3b:47:31:38:5b:1cSigner

ba:e9:ed:3c:48:cf:9b:9e:72:b3:43:07:6a:35:f1:53:91:af:5f:0cSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Exports

Exports

Sections

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

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

33:00:00:01:b2:4a:37:c6:c9:7e:01:68:86:00:01:00:00:01:b2
Certificate

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

33:00:00:02:39:b2:b4:e8:2a:22:34:49:2f:00:00:00:00:02:39
Certificate

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

da:34:6d:89:13:fd:ec:58:53:71:21:ab:91:c1:2a:fc:56:4c:a2:fe:f2:1a:67:de:84:30:3b:47:31:38:5b:1c
Signer

ba:e9:ed:3c:48:cf:9b:9e:72:b3:43:07:6a:35:f1:53:91:af:5f:0c
Signer

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

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