BCP47mrm[.]dll

Sharing

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General

Target

BCP47mrm.dll
Size

126KB
MD5

0daf02497b26155060e405b37c122468
SHA1

5b1b79381056b883d5b89a0eb143179e683c44e8
SHA256

ee79aeddf4fb7f9560ef3d07a8c4ae0eb9d3d3ad4ac629d5064874616bfb992c
SHA512

51ba9ed267bd345f4f4a03d5b80e71820571b466b30d04254d5a0f67abc395e31d24f04464601c1e9d11b88b37ed78eec4d680a67556a10b47a3b50ce2013223
SSDEEP

3072:VsFCqj3BvXNbA5YFX7YxcHRJ2ajUEFYE7AvW9BtX:OFCQ35NbA5ZxkQajrP7AvWx

Score

1^/10

Malware Config

Signatures

Files

BCP47mrm.dll
.dll windows:10 windows x86 arch:x86

7f377f07644ca958682c6202396fec2b

Code Sign

33:00:00:04:5f:f3:c9:6c:1a:7f:f7:da:1d:00:00:00:00:04:5f
Certificate

Issuer

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

Not Before

16/11/2023, 19:20

Not After

14/11/2024, 19:20

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

52:83:ce:ee:6f:81:2e:25:b2:5b:b7:0c:7d:0c:94:c5:bb:1c:ea:20:97:7f:74:6d:9e:58:e8:6c:05:98:c0:82
Signer

Actual PE Digest

52:83:ce:ee:6f:81:2e:25:b2:5b:b7:0c:7d:0c:94:c5:bb:1c:ea:20:97:7f:74:6d:9e:58:e8:6c:05:98:c0:82

Digest Algorithm

sha256

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_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

Bcp47mrm.pdb

Imports

msvcp_win

?_Xbad_function_call@std@@YAXXZ
?_Xout_of_range@std@@YAXPBD@Z
?_Xlength_error@std@@YAXPBD@Z

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

_initterm_e
_initterm

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

_o__callnewh
_o__cexit
_o__configure_narrow_argv
_o__crt_atexit
_o__errno
_o__execute_onexit_table
_o__initialize_narrow_environment
_o__initialize_onexit_table
_o__invalid_parameter_noinfo
_o__invalid_parameter_noinfo_noreturn
_o__purecall
_o__register_onexit_function
memmove
_o__wcsicmp
_o__wtoi
_o_bsearch
_o_free
_o_malloc
_o_terminate
_o_towlower
_o_wcscpy_s
_except_handler4_common
_CxxThrowException
_o___stdio_common_vswprintf
_o___stdio_common_vsnprintf_s
_o___std_type_info_destroy_list
_o___std_exception_destroy
_o___std_exception_copy
wcschr
__std_type_info_compare
__std_terminate
__CxxFrameHandler3
memcpy
_o__seh_filter_dll

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

memset

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

GetLastError
RaiseException
SetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter

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

GetThreadPreferredUILanguages
GetUserPreferredUILanguages
FormatMessageW
GetSystemPreferredUILanguages

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

TerminateProcess
GetCurrentThreadId
GetCurrentProcessId
GetCurrentProcess

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

GetProcessHeap
HeapFree
HeapAlloc

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

GetModuleHandleW
GetModuleFileNameA
GetProcAddress
FindStringOrdinal
GetModuleHandleExW

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

OutputDebugStringW
DebugBreak
IsDebuggerPresent

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

CloseHandle

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

ReleaseSemaphore
ReleaseMutex
CreateSemaphoreExW
CreateMutexExW
OpenSemaphoreW
WaitForSingleObject
WaitForSingleObjectEx

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

IsProcessorFeaturePresent

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

QueryPerformanceCounter

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

GetSystemWindowsDirectoryW
GetSystemTimeAsFileTime

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

InitializeSListHead

kernelbase

GetCurrentPackageId
GetStagedPackagePathByFullName
FindPackagesByPackageFamily
GetCurrentPackageFullName
OpenGlobalizationUserSettingsKey
EnumUILanguagesW
PackageFamilyNameFromFullName
GetCurrentPackageFamilyName

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

RegEnumValueW
RegGetValueW
RegCloseKey
RegOpenKeyExW
RegDeleteValueW
RegCreateKeyExW
RegEnumKeyExW
RegSetValueExW
RegQueryInfoKeyW
RegDeleteTreeW

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

CompareStringOrdinal

ntdll

NtClose
RtlGetDeviceFamilyInfoEnum

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

Exports

Exports

Bcp47GetDistanceCString
Bcp47GetNeutralFormCString
Bcp47IsValid
CompareBcp47Tags
FormatLanguageList
FormatLanguageTag
GetApplicationLanguagesWithUserLanguagesFallback
GetApplicationLayoutDirection
GetClosenessOfUnIsoRegionTags
GetCompositeRegionCode
GetDistanceOfClosestLanguageInList
GetLanguageDirectionality
GetMrtDisplayLanguageList
GetParentCompositeRegionCode
IsValidTag
IsValidUnIsoRegionTag
IsWellFormedTag

Sections

.text
Size: 103KB - Virtual size: 102KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 1KB

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: 32B

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: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7f377f07644ca958682c6202396fec2b

Code Sign

33:00:00:04:5f:f3:c9:6c:1a:7f:f7:da:1d:00:00:00:00:04:5fCertificate

Extended Key Usages

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

Key Usages

52:83:ce:ee:6f:81:2e:25:b2:5b:b7:0c:7d:0c:94:c5:bb:1c:ea:20:97:7f:74:6d:9e:58:e8:6c:05:98:c0:82Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

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-core-errorhandling-l1-1-0

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

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

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

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

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

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

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

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

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

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

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

kernelbase

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

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

ntdll

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

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

Exports

Exports

Sections

.text Size: 103KB - Virtual size: 102KB

.data Size: 1024B - Virtual size: 1KB

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

.didat Size: 512B - Virtual size: 32B

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

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

33:00:00:04:5f:f3:c9:6c:1a:7f:f7:da:1d:00:00:00:00:04:5f
Certificate

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

52:83:ce:ee:6f:81:2e:25:b2:5b:b7:0c:7d:0c:94:c5:bb:1c:ea:20:97:7f:74:6d:9e:58:e8:6c:05:98:c0:82
Signer

.text
Size: 103KB - Virtual size: 102KB

.data
Size: 1024B - Virtual size: 1KB

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

.didat
Size: 512B - Virtual size: 32B

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

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