RUXIMIH[.]exe | Triage

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General

Target

RUXIMIH.exe
Size

386KB
MD5

d976b89ba07e29b294e4045d0886c8fa
SHA1

b4e3f73edbe712de6de7074cdb49b763be057930
SHA256

406381f0503c3df998884ce784300f68a022c97dc971bd5f1607ea69b347f058
SHA512

2f8955485623750d48a806c9abd9e04f0afa3f07f35d26116479524871412c715e7790ec41e2e45fd8bfdd7306d287d4868abd1c558bc45befa31b8db6474328
SSDEEP

6144:lAW4JUeFWfOcveK0GMp+E+QUXw5F/H+xfjJxo+XUNS5:B4FCwVpRvmx1x1U0

Score

N/A

Malware Config

Signatures

Files

RUXIMIH.exe
.exe windows x64

1b8943b6be04337135c488e6a4496667

Code Sign

33:00:00:02:ed:2c:45:e4:c1:45:cf:48:44:00:00:00:00:02:ed
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

be:53:4c:63:9a:2b:c9:05:bc:3e:d3:64:f6:70:1f:08:80:b5:18:7a:60:8f:ea:66:97:d3:fc:cf:3b:a6:a5:ea
Signer

Actual PE Digest

be:53:4c:63:9a:2b:c9:05:bc:3e:d3:64:f6:70:1f:08:80:b5:18:7a:60:8f:ea:66:97:d3:fc:cf:3b:a6:a5:ea

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

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

20/01/2023, 15:39
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_FORCE_INTEGRITY
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

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

_c_exit
_initterm_e
_register_thread_local_exe_atexit_callback
_initterm

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

_o__get_wide_winmain_command_line
_o__Getdays
_o__Getmonths
_o__Gettnames
_o__initialize_onexit_table
_o__initialize_wide_environment
_o__invalid_parameter_noinfo
_o__invalid_parameter_noinfo_noreturn
_o__malloc_base
_o__purecall
_o__realloc_base
_o__register_onexit_function
_o__seh_filter_exe
_o__set_app_type
_o__set_errno
_o__set_fmode
_o__set_new_mode
_o__Strftime
memmove
_o__W_Getdays
_o__W_Getmonths
_o__W_Gettnames
_o__wcsdup
_o__Wcsftime
_o__wcsicmp
_o__wtol
_o_abort
_o_calloc
_o_exit
_o_free
_o_frexp
_o_islower
_o_isspace
_o_isupper
_o_ldexp
_o_localeconv
_o_malloc
_o_pow
_o_powf
_o_setlocale
_o_strncpy_s
_o_strtod
_o_strtof
_o_strtol
_o_terminate
_o_tolower
_o_wcscpy_s
__C_specific_handler
_o__cexit
_o__calloc_base
_o__callnewh
wcschr
_CxxThrowException
_o___stdio_common_vswprintf
_o___stdio_common_vsprintf_s
_o__exit
_o___stdio_common_vsnprintf_s
strchr
strrchr
__std_type_info_compare
_o__errno
_o___std_exception_destroy
_o___std_exception_copy
_o__crt_atexit
_o___pctype_func
_o__free_base
_o___p__commode
_o__configure_wide_argv
_o____mb_cur_max_func
_o____lc_locale_name_func
_o____lc_collate_cp_func
_o__configthreadlocale
_o____lc_codepage_func
__CxxFrameHandler3
memchr
memcmp
memcpy

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

__strncnt
wcsnlen
memset
strcspn

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

GetProcAddress
GetModuleFileNameA
LoadLibraryExW
FreeLibrary
LoadStringW
GetModuleFileNameW
GetModuleHandleW
GetModuleHandleExW

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

LeaveCriticalSection
CreateEventW
ReleaseSemaphore
WaitForSingleObject
ReleaseMutex
WaitForSingleObjectEx
ResetEvent
InitializeCriticalSectionAndSpinCount
OpenSemaphoreW
CreateMutexExW
InitializeCriticalSectionEx
EnterCriticalSection
DeleteCriticalSection
SetEvent
CreateSemaphoreExW

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

GetProcessHeap
HeapFree
HeapAlloc

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

SetUnhandledExceptionFilter
UnhandledExceptionFilter
SetLastError
GetLastError

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

CreateProcessW
GetCurrentProcess
TerminateProcess
GetCurrentThreadId
GetCurrentProcessId
GetStartupInfoW

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

SetThreadPreferredUILanguages
GetUserPreferredUILanguages
GetLocaleInfoEx
GetCPInfo
FormatMessageW
LCMapStringEx

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

OutputDebugStringW
DebugBreak
IsDebuggerPresent

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

CloseHandle

oleaut32

SysFreeString
VariantClear
SysAllocString
VariantInit

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

RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext

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

GetSystemTimeAsFileTime

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

InitializeSListHead

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

QueryTraceW

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

MoveFileW

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

GlobalFree
LocalFree
LocalAlloc

api-ms-win-shcore-obsolete-l1-1-0

CommandLineToArgvW

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

EventRegister
EventSetInformation
EventUnregister
EventWriteTransfer

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

InitOnceComplete
InitOnceBeginInitialize

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

ControlTraceW
EnableTraceEx2
StartTraceW

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

CoCreateInstance
CoInitializeEx
CoUninitialize

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

CreateDirectoryW
CreateFileW
WriteFile
DeleteFileW
GetFileAttributesW

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

GetCurrentDirectoryW
ExpandEnvironmentStringsW
GetCommandLineW

rpcrt4

UuidCreate
RpcStringFreeW
UuidFromStringW
UuidToStringW

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

_unlock_locales
_lock_locales

api-ms-win-core-shlwapi-obsolete-l1-1-0

StrToIntExW

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

RegEnumKeyExW
RegOpenKeyExW
RegQueryValueExW
RegCloseKey

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

SystemTimeToFileTime

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

MultiByteToWideChar
WideCharToMultiByte
GetStringTypeW
CompareStringEx

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

EncodePointer
DecodePointer

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

ResolveDelayLoadedAPI

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

DelayLoadFailureHook

Sections

.text
Size: 220KB - Virtual size: 220KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.imrsiv
Size: - Virtual size: 4B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 63KB - Virtual size: 62KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 8KB

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: 75KB - Virtual size: 74KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1b8943b6be04337135c488e6a4496667

Code Sign

33:00:00:02:ed:2c:45:e4:c1:45:cf:48:44:00:00:00:00:02:edCertificate

Extended Key Usages

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

Key Usages

be:53:4c:63:9a:2b:c9:05:bc:3e:d3:64:f6:70:1f:08:80:b5:18:7a:60:8f:ea:66:97:d3:fc:cf:3b:a6:a5:eaSigner

Signature Validations

Verification

20/01/2023, 15:39 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

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-libraryloader-l1-2-0

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

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

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

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

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

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

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

oleaut32

api-ms-win-core-rtlsupport-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

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

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

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

api-ms-win-shcore-obsolete-l1-1-0

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

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

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

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

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

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

rpcrt4

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

api-ms-win-core-shlwapi-obsolete-l1-1-0

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

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

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

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

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

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

Sections

.text Size: 220KB - Virtual size: 220KB

.imrsiv Size: - Virtual size: 4B

.rdata Size: 63KB - Virtual size: 62KB

.data Size: 4KB - Virtual size: 7KB

.pdata Size: 8KB - Virtual size: 8KB

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

.rsrc Size: 75KB - Virtual size: 74KB

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

33:00:00:02:ed:2c:45:e4:c1:45:cf:48:44:00:00:00:00:02:ed
Certificate

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

be:53:4c:63:9a:2b:c9:05:bc:3e:d3:64:f6:70:1f:08:80:b5:18:7a:60:8f:ea:66:97:d3:fc:cf:3b:a6:a5:ea
Signer

20/01/2023, 15:39
Valid: false

.text
Size: 220KB - Virtual size: 220KB

.imrsiv
Size: - Virtual size: 4B

.rdata
Size: 63KB - Virtual size: 62KB

.data
Size: 4KB - Virtual size: 7KB

.pdata
Size: 8KB - Virtual size: 8KB

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

.rsrc
Size: 75KB - Virtual size: 74KB

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