Microsoft[.]DiaSymReader[.]Native[.]x86_1[.]dll

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General

Target

Microsoft.DiaSymReader.Native.x86_1.dll
Size

1.1MB
MD5

4ff7094e3edfda47ced912012044296b
SHA1

c6f3c9d81713687dc3820d8cabf14c2a32208d27
SHA256

f21da9fb831ac943736135b6ee109a4b352511b8d6c07cb03c66b61996d1ddc9
SHA512

372867bbae96c51ee11b413f552a67a53992b16dbfa44105381db3813e3c2f9a3dc9d16fc6bd6366514d4e1b4bf1eeccce5261bc3df837bf3e3eb5a04446c551
SSDEEP

24576:7Xg0Ff/wSOM0TJuCD0Kbyk3dIf//LXpWhIHWLRDAcc17QXk0:7HHFRKbhdIf/TcIIhk/0

Score

1^/10

Malware Config

Signatures

Files

Microsoft.DiaSymReader.Native.x86_1.dll
.dll regsvr32 windows x86

2750e561997e3d2f8e185972112eba29

Code Sign

33:00:00:00:d8:e4:75:f9:45:6f:48:f7:ae:00:00:00:00:00:d8
Certificate

Issuer

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

Not Before

02/10/2017, 22:57

Not After

02/01/2019, 22:57

Subject

CN=Microsoft Time-Stamp Service,OU=AOC+OU=Thales TSS ESN:70DD-4B5B-4568,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

33:00:00:01:78:25:5a:b5:cd:23:c6:5f:95:00:01:00:00:01:78
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=AOC,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

33:00:00:00:c3:0e:9b:a7:d8:b2:dc:f7:2c:00:00:00:00:00:c3
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

11/08/2017, 20:20

Not After

11/08/2018, 20:20

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

74:c7:89:0c:ca:76:a2:a2:df:f4:32:36:58:11:7b:17:64:4f:20:f8:9b:a5:3b:ae:53:9e:3f:43:a1:04:1f:89
Signer

Actual PE Digest

74:c7:89:0c:ca:76:a2:a2:df:f4:32:36:58:11:7b:17:64:4f:20:f8:9b:a5:3b:ae:53:9e:3f:43:a1:04:1f:89

Digest Algorithm

sha256

PE Digest Matches

true

62:bc:ea:ec:38:b2:c7:42:45:0d:0a:8a:25:44:ac:fc:cb:e1:75:36
Signer

Actual PE Digest

62:bc:ea:ec:38:b2:c7:42:45:0d:0a:8a:25:44:ac:fc:cb:e1:75:36

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

GetLastError
FreeLibrary
WaitForSingleObjectEx
ResetEvent
SetEvent
LoadLibraryExA
VirtualQuery
VirtualProtect
MapViewOfFileEx
GetFileSizeEx
GetFullPathNameW
ExpandEnvironmentStringsW
DeviceIoControl
WriteFile
SetFilePointerEx
SetEndOfFile
ReadFile
GetFileType
DeleteFileW
VirtualFree
VirtualAlloc
WideCharToMultiByte
SetFileAttributesW
GetFileAttributesW
MapViewOfFile
CreateFileMappingW
GetFileSize
CreateFileW
UnmapViewOfFile
CloseHandle
MultiByteToWideChar
GetSystemInfo
DisableThreadLibraryCalls
GetTickCount
GetEnvironmentVariableW
LCMapStringW
FormatMessageW
LocalFree
RaiseException
LoadLibraryExW
GetProcAddress
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
EncodePointer
SetLastError
InterlockedFlushSList
RtlUnwind
TerminateProcess
GetCurrentProcess
GetModuleHandleW
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
LocalAlloc
GetCurrentThreadId
Sleep
LeaveCriticalSection
EnterCriticalSection
DeleteCriticalSection
InitializeCriticalSection
CreateEventW

ole32

CoTaskMemAlloc
CoTaskMemFree

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

_calloc_base
_callnewh
_free_base
free
malloc
calloc

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

bsearch
qsort

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

wcsncmp
wcscpy_s
_wcsdup
wcscat_s
_wcsicmp
_wcsnicmp
strcat_s
_stricmp
strncpy_s
towlower
wcsncat_s
strcpy_s
strncmp
wcsncpy_s
_memicmp

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

_initterm
_errno
_crt_atexit
_cexit
abort
__doserrno
_execute_onexit_table
_initterm_e
_register_onexit_function
_initialize_onexit_table
_initialize_narrow_environment
_configure_narrow_argv
_invalid_parameter_noinfo
_seh_filter_dll
terminate

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

_get_osfhandle
_close
_chsize_s
__stdio_common_vsnwprintf_s
__stdio_common_vfprintf
_wfsopen
_wfopen_s
fread
fseek
fflush
__stdio_common_vswprintf
__acrt_iob_func
ftell
_wsopen_s
__stdio_common_vsscanf
_open_osfhandle
__stdio_common_vswprintf_s
_read
__stdio_common_vsprintf_s
_filelengthi64
fclose
_lseeki64
__stdio_common_vsnprintf_s
_write

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

atoi
wcstoul
atol
_wtoi

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

_wstat64
_wfullpath
_wsplitpath_s
_wmakepath_s
_fullpath

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

_wdupenv_s

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

_mbscmp

advapi32

RegCloseKey
RegQueryValueExW
RegOpenKeyExW

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

_time32

Exports

Exports

CreateNGenPdbWriter
CreateSymReader
CreateSymWriter
DllCanUnloadNow
DllGetClassObject
DllGetClassObjectInternal
DllRegisterServer
DllUnregisterServer
VSDllRegisterServer
VSDllUnregisterServer

Sections

.text
Size: 1.1MB - Virtual size: 1.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 52KB - Virtual size: 52KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2750e561997e3d2f8e185972112eba29

Code Sign

33:00:00:00:d8:e4:75:f9:45:6f:48:f7:ae:00:00:00:00:00:d8Certificate

Extended Key Usages

33:00:00:01:78:25:5a:b5:cd:23:c6:5f:95:00:01:00:00:01:78Certificate

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

33:00:00:00:c3:0e:9b:a7:d8:b2:dc:f7:2c:00:00:00:00:00:c3Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

74:c7:89:0c:ca:76:a2:a2:df:f4:32:36:58:11:7b:17:64:4f:20:f8:9b:a5:3b:ae:53:9e:3f:43:a1:04:1f:89Signer

62:bc:ea:ec:38:b2:c7:42:45:0d:0a:8a:25:44:ac:fc:cb:e1:75:36Signer

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

ole32

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

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

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

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

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

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

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

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

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

advapi32

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

Exports

Exports

Sections

.text Size: 1.1MB - Virtual size: 1.1MB

.data Size: 7KB - Virtual size: 10KB

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

.didat Size: 512B - Virtual size: 56B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 52KB - Virtual size: 52KB

33:00:00:00:d8:e4:75:f9:45:6f:48:f7:ae:00:00:00:00:00:d8
Certificate

33:00:00:01:78:25:5a:b5:cd:23:c6:5f:95:00:01:00:00:01:78
Certificate

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

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

33:00:00:00:c3:0e:9b:a7:d8:b2:dc:f7:2c:00:00:00:00:00:c3
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

74:c7:89:0c:ca:76:a2:a2:df:f4:32:36:58:11:7b:17:64:4f:20:f8:9b:a5:3b:ae:53:9e:3f:43:a1:04:1f:89
Signer

62:bc:ea:ec:38:b2:c7:42:45:0d:0a:8a:25:44:ac:fc:cb:e1:75:36
Signer

.text
Size: 1.1MB - Virtual size: 1.1MB

.data
Size: 7KB - Virtual size: 10KB

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

.didat
Size: 512B - Virtual size: 56B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 52KB - Virtual size: 52KB