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

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General

Target

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

27KB
MD5

4dd7a61590d07500704e7e775255cb00
SHA1

8b35ec4676bd96c2c4508dc5f98ca471b22deed7
SHA256

a25d0654deb0cea1aef189ba2174d0f13bdf52f098d3a9ec36d15e4bfb30c499
SHA512

1086801260624cf395bf971c9fd671abddcd441ccc6a6eac55f277ccfbab752c82cb1709c8140de7b4b977397a31da6c9c8b693ae92264eb23960c8b1e0993bd
SSDEEP

384:SQUbM4Oe59Ckb1hgmLNW1hWzXRm0GftpBjDm3SBulJr6:SRMq59Bb1jEAViFla2

Score

1^/10

Malware Config

Signatures

Files

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

Code Sign

33:00:00:00:c1:09:f8:02:41:bb:4d:aa:dc:00:00:00:00:00:c1
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:12E7-3064-6112,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

0d:33:86:14:38:ea:e8:75:1b:d2:9c:77:5c:4e:28:58:3d:4d:85:6a:4a:65:ac:5e:5d:12:0b:0d:9e:84:4f:e8
Signer

Actual PE Digest

0d:33:86:14:38:ea:e8:75:1b:d2:9c:77:5c:4e:28:58:3d:4d:85:6a:4a:65:ac:5e:5d:12:0b:0d:9e:84:4f:e8

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, 16:05
Valid: false

77:8f:1b:10:07:06:57:39:2f:aa:0e:8c:31:7e:9a:46:a7:05:67:b4
Signer

Actual PE Digest

77:8f:1b:10:07:06:57:39:2f:aa:0e:8c:31:7e:9a:46:a7:05:67:b4

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

_Cbuild
_Cmulcc
_Cmulcr
_FCbuild
_FCmulcc
_FCmulcr
_LCbuild
_LCmulcc
_LCmulcr
__setusermatherr
_cabs
_chgsign
_chgsignf
_copysign
_copysignf
_d_int
_dclass
_dexp
_dlog
_dnorm
_dpcomp
_dpoly
_dscale
_dsign
_dsin
_dtest
_dunscale
_except1
_fd_int
_fdclass
_fdexp
_fdlog
_fdnorm
_fdopen
_fdpcomp
_fdpoly
_fdscale
_fdsign
_fdsin
_fdtest
_fdunscale
_finite
_finitef
_fpclass
_fpclassf
_get_FMA3_enable
_hypot
_hypotf
_isnan
_isnanf
_j0
_j1
_jn
_ld_int
_ldclass
_ldexp
_ldlog
_ldpcomp
_ldpoly
_ldscale
_ldsign
_ldsin
_ldtest
_ldunscale
_logb
_logbf
_nextafter
_nextafterf
_scalb
_scalbf
_set_FMA3_enable
_y0
_y1
_yn
acos
acosf
acosh
acoshf
acoshl
asin
asinf
asinh
asinhf
asinhl
atan
atan2
atan2f
atanf
atanh
atanhf
atanhl
cabs
cabsf
cabsl
cacos
cacosf
cacosh
cacoshf
cacoshl
cacosl
carg
cargf
cargl
casin
casinf
casinh
casinhf
casinhl
casinl
catan
catanf
catanh
catanhf
catanhl
catanl
cbrt
cbrtf
cbrtl
ccos
ccosf
ccosh
ccoshf
ccoshl
ccosl
ceil
ceilf
cexp
cexpf
cexpl
cimag
cimagf
cimagl
clog
clog10
clog10f
clog10l
clogf
clogl
conj
conjf
conjl
copysign
copysignf
copysignl
cos
cosf
cosh
coshf
cpow
cpowf
cpowl
cproj
cprojf
cprojl
creal
crealf
creall
csin
csinf
csinh
csinhf
csinhl
csinl
csqrt
csqrtf
csqrtl
ctan
ctanf
ctanh
ctanhf
ctanhl
ctanl
erf
erfc
erfcf
erfcl
erff
erfl
exp
exp2
exp2f
exp2l
expf
expm1
expm1f
expm1l
fabs
fdim
fdimf
fdiml
floor
floorf
fma
fmaf
fmal
fmax
fmaxf
fmaxl
fmin
fminf
fminl
fmod
fmodf
frexp
hypot
ilogb
ilogbf
ilogbl
ldexp
lgamma
lgammaf
lgammal
llrint
llrintf
llrintl
llround
llroundf
llroundl
log
log10
log10f
log1p
log1pf
log1pl
log2
log2f
log2l
logb
logbf
logbl
logf
lrint
lrintf
lrintl
lround
lroundf
lroundl
modf
modff
nan
nanf
nanl
nearbyint
nearbyintf
nearbyintl
nextafter
nextafterf
nextafterl
nexttoward
nexttowardf
nexttowardl
norm
normf
norml
pow
powf
remainder
remainderf
remainderl
remquo
remquof
remquol
rint
rintf
rintl
round
roundf
roundl
scalbln
scalblnf
scalblnl
scalbn
scalbnf
scalbnl
sin
sinf
sinh
sinhf
sqrt
sqrtf
tan
tanf
tanh
tanhf
tgamma
tgammaf
tgammal
trunc
truncf
truncl

Sections

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

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:c1:09:f8:02:41:bb:4d:aa:dc:00:00:00:00:00:c1Certificate

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

0d:33:86:14:38:ea:e8:75:1b:d2:9c:77:5c:4e:28:58:3d:4d:85:6a:4a:65:ac:5e:5d:12:0b:0d:9e:84:4f:e8Signer

Signature Validations

Verification

23/03/2023, 16:05 Valid: false

77:8f:1b:10:07:06:57:39:2f:aa:0e:8c:31:7e:9a:46:a7:05:67:b4Signer

Signature Validations

Verification

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

Headers

DLL Characteristics

File Characteristics

Exports

Exports

Sections

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

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

33:00:00:00:c1:09:f8:02:41:bb:4d:aa:dc:00:00:00:00:00:c1
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

0d:33:86:14:38:ea:e8:75:1b:d2:9c:77:5c:4e:28:58:3d:4d:85:6a:4a:65:ac:5e:5d:12:0b:0d:9e:84:4f:e8
Signer

23/03/2023, 16:05
Valid: false

77:8f:1b:10:07:06:57:39:2f:aa:0e:8c:31:7e:9a:46:a7:05:67:b4
Signer

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

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

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