dotnet[.]exe | Triage

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General

Target

dotnet.exe
Size

132KB
MD5

b987ec2805cf115a1f9becc00edf84e1
SHA1

4e20ff13fa2a08cf630adbcf52d586423a6822d8
SHA256

b9affd6fc259d4e67b17631a729dce04b7706d817d7ce6f7e45967b613ca4eb2
SHA512

660cdafc6252ccf14ba787d271a85e9236d9cb43b2a47d9b46c541e654ef4eb5e4e9c68f1ffb2cc30934ddb2d08a1f81a1e9c64af78090b25154c55e0643921c
SSDEEP

3072:6WTSIoXkZA/gwAxnretVuiJXW0am48w6JAJ4GmA2/2:6WTSIoXaxnrmDJmu48w6c4Te

Score

1^/10

Malware Config

Signatures

Files

dotnet.exe
.exe windows:6 windows x64 arch:x64

a8eca7af7735bd8ecf18aa4dbeb1f12a

Code Sign

33:00:00:02:13:8c:0c:1c:31:35:bc:d2:5f:00:00:00:00:02:13
Certificate

Issuer

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

Not Before

11/02/2021, 20:09

Not After

10/02/2022, 20:09

Subject

CN=.NET,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

37:1c:a1:27:a7:14:29:1a:16:d0:bc:fd:cd:74:c2:40:d2:f8:51:be:4d:e7:c4:92:bc:5c:a5:d2:b9:9a:37:4c
Signer

Actual PE Digest

37:1c:a1:27:a7:14:29:1a:16:d0:bc:fd:cd:74:c2:40:d2:f8:51:be:4d:e7:c4:92:bc:5c:a5:d2:b9:9a:37:4c

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

D:\a\_work\1\s\artifacts\obj\win-x64.Release\corehost\dotnet\dotnet.pdb

Imports

kernel32

EnterCriticalSection
GetFullPathNameW
FindNextFileW
GetCurrentProcess
GetModuleHandleExW
GetModuleFileNameW
LeaveCriticalSection
InitializeCriticalSection
GetEnvironmentVariableW
FindClose
MultiByteToWideChar
FindFirstFileExW
GetFileAttributesExW
LoadLibraryA
GetProcAddress
DeleteCriticalSection
GetModuleHandleW
WideCharToMultiByte
LoadLibraryExW
FreeLibrary
GetLastError
OutputDebugStringW
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
SetLastError
RaiseException
RtlPcToFileHeader
RtlUnwindEx
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
LCMapStringEx
DecodePointer
EncodePointer
InitializeCriticalSectionEx
GetStringTypeW

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

_seh_filter_exe
_cexit
_invalid_parameter_noinfo_noreturn
_crt_atexit
_errno
_configure_wide_argv
_register_onexit_function
_initialize_onexit_table
_initialize_wide_environment
_set_app_type
_get_initial_wide_environment
terminate
_initterm
_exit
exit
abort
__p___argc
_initterm_e
__p___wargv
_c_exit
_register_thread_local_exe_atexit_callback

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

setvbuf
_wfopen
__stdio_common_vswprintf
_set_fmode
__stdio_common_vfwprintf
fputws
fputwc
__p__commode
fflush
__stdio_common_vsprintf_s
__acrt_iob_func

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

wcsncmp
_wcsicmp
_wcsdup
strcpy_s
wcsnlen
strcspn

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

wcstoul
_wtoi

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

_set_new_mode
_callnewh
malloc
calloc
free

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

__pctype_func
___mb_cur_max_func
setlocale
___lc_locale_name_func
localeconv
_unlock_locales
_configthreadlocale
_lock_locales
___lc_codepage_func

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

frexp
__setusermatherr

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

_gmtime64_s
wcsftime
_time64

Sections

.text
Size: 81KB - Virtual size: 80KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 31KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 788B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a8eca7af7735bd8ecf18aa4dbeb1f12a

Code Sign

33:00:00:02:13:8c:0c:1c:31:35:bc:d2:5f:00:00:00:00:02:13Certificate

Extended Key Usages

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

Key Usages

37:1c:a1:27:a7:14:29:1a:16:d0:bc:fd:cd:74:c2:40:d2:f8:51:be:4d:e7:c4:92:bc:5c:a5:d2:b9:9a:37:4cSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

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

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

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

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

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

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

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

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

Sections

.text Size: 81KB - Virtual size: 80KB

.rdata Size: 31KB - Virtual size: 30KB

.data Size: 1KB - Virtual size: 4KB

.pdata Size: 5KB - Virtual size: 4KB

_RDATA Size: 512B - Virtual size: 244B

.rsrc Size: 2KB - Virtual size: 2KB

.reloc Size: 1024B - Virtual size: 788B

33:00:00:02:13:8c:0c:1c:31:35:bc:d2:5f:00:00:00:00:02:13
Certificate

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

37:1c:a1:27:a7:14:29:1a:16:d0:bc:fd:cd:74:c2:40:d2:f8:51:be:4d:e7:c4:92:bc:5c:a5:d2:b9:9a:37:4c
Signer

.text
Size: 81KB - Virtual size: 80KB

.rdata
Size: 31KB - Virtual size: 30KB

.data
Size: 1KB - Virtual size: 4KB

.pdata
Size: 5KB - Virtual size: 4KB

_RDATA
Size: 512B - Virtual size: 244B

.rsrc
Size: 2KB - Virtual size: 2KB

.reloc
Size: 1024B - Virtual size: 788B