BrowserCore[.]exe

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General

Target

BrowserCore.exe
Size

89KB
MD5

c1470314551559e0a170221a461d30fe
SHA1

6fe8b66f87070696309c0a4e94d5698e25a2f030
SHA256

a76d230e57f7c5c40af3d527954e3155869d1a4dd628b6c0d6192c6c6ef109e2
SHA512

138cf42dfc1275cc12550e317f0f80761eda969cdfaa8c417ac216776ed9f1c2b541f4b7f7e45baf1b04b2a3bb88222f553692afb9f47074777f0e5c049f32b2
SSDEEP

1536:UrIaL70dlaim+9pnkxhHs9/O49sLDLuPKsOqABdfHPYt:q77imin0hM9/B9sL/uysO5BdvG

Score

1^/10

Malware Config

Signatures

Files

BrowserCore.exe
.exe windows x64

Password: 233666

61f8d6038254f9d862479ed1e959809c

Code Sign

33:00:00:02:ec:65:79:ad:1e:67:08:90:13:00:00:00:00:02:ec
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

15/12/2020, 21:29

Not After

02/12/2021, 21:29

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

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

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

31:c7:70:fc:47:71:f3:34:47:27:a1:a6:64:6c:90:12:39:a5:30:e2:51:2f:e6:ae:63:0c:74:bf:8d:f1:3b:ca
Signer

Actual PE Digest

31:c7:70:fc:47:71:f3:34:47:27:a1:a6:64:6c:90:12:39:a5:30:e2:51:2f:e6:ae:63:0c:74:bf:8d:f1:3b:ca

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

Imports

msvcp_win

?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEAD_J@Z
?_Xlength_error@std@@YAXPEBD@Z
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
?_Xout_of_range@std@@YAXPEBD@Z
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A

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

_initterm_e
_c_exit
_register_thread_local_exe_atexit_callback
_initterm

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

_o__callnewh
_o__cexit
_o__configthreadlocale
_o__configure_wide_argv
_o__crt_atexit
_o__errno
_o__exit
_o__fileno
_o__get_initial_wide_environment
_o__initialize_onexit_table
_o__initialize_wide_environment
_o__invalid_parameter_noinfo
_o__invalid_parameter_noinfo_noreturn
_o__purecall
_o__register_onexit_function
_o__seh_filter_exe
_o__set_app_type
_o__set_fmode
_o__set_new_mode
_o__setmode
memmove
_o__wcsicmp
_o__wcsnicmp
_o__wtof
_o_calloc
_o_exit
_o_free
_o_isalpha
_o_isdigit
_o_isxdigit
_o_malloc
_o_memcpy_s
_o_strtol
_o_terminate
__C_specific_handler
_o___stdio_common_vswprintf_s
_o___stdio_common_vswprintf
_CxxThrowException
__CxxFrameHandler3
_o___std_exception_destroy
_o___std_exception_copy
_o___p__commode
_o___p___wargv
_o___p___argc
wcschr
_o___acrt_iob_func
__std_terminate
__CxxFrameHandler4
memcpy
wcsstr

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

wcsncmp
wcscmp
wcsnlen
memset

api-ms-win-eventing-provider-l1-1-0

EventRegister
EventUnregister
EventSetInformation
EventWriteTransfer

api-ms-win-core-com-l1-1-0

CoCreateInstance
CoTaskMemFree
CoUninitialize
CoInitializeEx

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

HeapFree
HeapAlloc
GetProcessHeap
HeapReAlloc
HeapSize
HeapDestroy

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

WideCharToMultiByte
MultiByteToWideChar

api-ms-win-core-processenvironment-l1-1-0

GetStdHandle

api-ms-win-core-errorhandling-l1-1-0

GetLastError
SetUnhandledExceptionFilter
RaiseException
UnhandledExceptionFilter

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter

api-ms-win-core-processthreads-l1-1-0

OpenProcessToken
GetCurrentProcessId
GetCurrentThreadId
GetCurrentProcess
TerminateProcess

api-ms-win-core-sysinfo-l1-1-0

GetSystemTimeAsFileTime

api-ms-win-core-interlocked-l1-1-0

InitializeSListHead

api-ms-win-core-rtlsupport-l1-1-0

RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext

api-ms-win-core-debug-l1-1-0

IsDebuggerPresent

api-ms-win-core-processthreads-l1-1-1

IsProcessorFeaturePresent
OpenProcess

api-ms-win-core-libraryloader-l1-2-0

GetModuleHandleW
LoadResource
FindResourceExW
SizeofResource
LockResource

api-ms-win-core-handle-l1-1-0

CloseHandle

api-ms-win-core-kernel32-legacy-l1-1-0

GetNamedPipeServerProcessId

api-ms-win-core-registry-l1-1-0

RegCloseKey
RegQueryValueExW
RegOpenKeyExW

ntdll

RtlNtStatusToDosError
ZwQueryWnfStateData

api-ms-win-stateseparation-helpers-l1-1-0

GetPersistedRegistryLocationW

api-ms-win-core-delayload-l1-1-1

ResolveDelayLoadedAPI

api-ms-win-core-delayload-l1-1-0

DelayLoadFailureHook

api-ms-win-core-synch-l1-1-0

EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
DeleteCriticalSection

api-ms-win-core-apiquery-l1-1-0

ApiSetQueryApiSetPresence

Sections

.text
Size: 33KB - Virtual size: 33KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 26KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 164B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Password: 233666

61f8d6038254f9d862479ed1e959809c

Code Sign

33:00:00:02:ec:65:79:ad:1e:67:08:90:13:00:00:00:00:02:ecCertificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

31:c7:70:fc:47:71:f3:34:47:27:a1:a6:64:6c:90:12:39:a5:30:e2:51:2f:e6:ae:63:0c:74:bf:8d:f1:3b:caSigner

Headers

DLL Characteristics

File Characteristics

Imports

msvcp_win

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

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

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

api-ms-win-eventing-provider-l1-1-0

api-ms-win-core-com-l1-1-0

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

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

api-ms-win-core-processenvironment-l1-1-0

api-ms-win-core-errorhandling-l1-1-0

api-ms-win-core-profile-l1-1-0

api-ms-win-core-processthreads-l1-1-0

api-ms-win-core-sysinfo-l1-1-0

api-ms-win-core-interlocked-l1-1-0

api-ms-win-core-rtlsupport-l1-1-0

api-ms-win-core-debug-l1-1-0

api-ms-win-core-processthreads-l1-1-1

api-ms-win-core-libraryloader-l1-2-0

api-ms-win-core-handle-l1-1-0

api-ms-win-core-kernel32-legacy-l1-1-0

api-ms-win-core-registry-l1-1-0

ntdll

api-ms-win-stateseparation-helpers-l1-1-0

api-ms-win-core-delayload-l1-1-1

api-ms-win-core-delayload-l1-1-0

api-ms-win-core-synch-l1-1-0

api-ms-win-core-apiquery-l1-1-0

Sections

.text Size: 33KB - Virtual size: 33KB

.rdata Size: 16KB - Virtual size: 15KB

.data Size: 1024B - Virtual size: 2KB

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

.didat Size: 512B - Virtual size: 16B

.rsrc Size: 26KB - Virtual size: 26KB

.reloc Size: 512B - Virtual size: 164B

33:00:00:02:ec:65:79:ad:1e:67:08:90:13:00:00:00:00:02:ec
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

31:c7:70:fc:47:71:f3:34:47:27:a1:a6:64:6c:90:12:39:a5:30:e2:51:2f:e6:ae:63:0c:74:bf:8d:f1:3b:ca
Signer

.text
Size: 33KB - Virtual size: 33KB

.rdata
Size: 16KB - Virtual size: 15KB

.data
Size: 1024B - Virtual size: 2KB

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

.didat
Size: 512B - Virtual size: 16B

.rsrc
Size: 26KB - Virtual size: 26KB

.reloc
Size: 512B - Virtual size: 164B