GenericMultiLoader[.]exe

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General

Target

GenericMultiLoader.exe
Size

18.1MB
MD5

2d2a6a43d5a261e9e2a93e7776f43f06
SHA1

f9c948bb5b386f86a322fcaa89ad2721e1b00738
SHA256

46af672ed1c7fa1db02dbae8ff04ba95f51072b0c5e2e89bd2b3d16dad7c5203
SHA512

a1aabfaf5c4c7404bfbc33e9464f31711811be7f9f603d1a2aee60f1f31a2493a5a104e2209becfa0396dc6f9a003b0bba58c0de7c2735f2510a6b41f514b27f
SSDEEP

196608:vU3EEacrhPmCVA9NG6DrgMNAu/1TAbQfWibXpMe3CXsH:vcpHhPmCVAe6r/QFibXyejH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
GenericMultiLoader.exe

Files

GenericMultiLoader.exe
.exe windows:6 windows x64 arch:x64

5fd9536cd15200695d07ceae818f2be8

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\coreclr\windows.x64.Release\Corehost.Static\singlefilehost.pdb

Imports

kernel32

MultiByteToWideChar
GetTickCount
QueryPerformanceFrequency
QueryPerformanceCounter
GetModuleHandleW
FlushInstructionCache
RtlLookupFunctionEntry
RtlDeleteFunctionTable
InterlockedPushEntrySList
InterlockedFlushSList
InitializeSListHead
GetTickCount64
DuplicateHandle
QueueUserAPC
WaitForSingleObjectEx
SetThreadPriority
GetThreadPriority
ResumeThread
GetCurrentThreadId
Sleep
TlsAlloc
GetCurrentThread
CreateThread
WaitForMultipleObjectsEx
SignalObjectAndWait
RtlCaptureContext
SetThreadStackGuarantee
VirtualQuery
GetStdHandle
WideCharToMultiByte
GetConsoleOutputCP
MapViewOfFileEx
UnmapViewOfFile
GetStringTypeExW
SetEvent
GetCurrentProcessorNumber
GlobalMemoryStatusEx
CreateIoCompletionPort
PostQueuedCompletionStatus
SleepEx
GetQueuedCompletionStatus
InterlockedPopEntrySList
GetCurrentProcessorNumberEx
ExitProcess
CreateMemoryResourceNotification
GetProcessAffinityMask
SetThreadIdealProcessorEx
GetThreadIdealProcessorEx
GetLargePageMinimum
VirtualUnlock
GetLogicalProcessorInformation
SetThreadGroupAffinity
SetThreadAffinityMask
IsProcessInJob
QueryInformationJobObject
K32GetProcessMemoryInfo
VirtualAlloc
VirtualFree
VirtualProtect
SwitchToThread
CloseThreadpoolTimer
CreateThreadpoolTimer
SetThreadpoolTimer
GetFileSize
GetEnvironmentVariableW
SetEnvironmentVariableW
CreateEventW
ResetEvent
CreateSemaphoreExW
ReleaseSemaphore
CreateMutexW
ReleaseMutex
GetThreadContext
SuspendThread
SetThreadContext
GetEnabledXStateFeatures
InitializeContext
RtlRestoreContext
RtlInstallFunctionTableCallback
GetSystemDefaultLCID
GetUserDefaultLCID
RtlUnwind
LoadLibraryExW
HeapAlloc
HeapFree
GetProcessHeap
HeapCreate
HeapDestroy
GetEnvironmentStringsW
FreeEnvironmentStringsW
FormatMessageW
OutputDebugStringA
GetACP
LCMapStringEx
LocalFree
VerSetConditionMask
VerifyVersionInfoW
FindClose
GetModuleFileNameW
FindNextFileW
QueryThreadCycleTime
VirtualAllocExNuma
GetNumaProcessorNodeEx
GetNumaHighestNodeNumber
GetLogicalProcessorInformationEx
GetThreadGroupAffinity
GetSystemTimes
GetSystemTimeAsFileTime
CreateFileMappingW
CreateProcessW
GetCPInfo
CreateFileW
GetFileAttributesExW
GetTempPathW
GetCurrentDirectoryW
FindFirstFileExW
GetFullPathNameW
OpenProcess
LoadLibraryExA
OpenEventW
ExitThread
HeapReAlloc
CreateNamedPipeA
WaitForMultipleObjects
DisconnectNamedPipe
CreateFileA
CancelIoEx
GetOverlappedResult
ConnectNamedPipe
FlushFileBuffers
MapViewOfFile
GetActiveProcessorGroupCount
GetSystemTime
SetConsoleCtrlHandler
GetLocaleInfoEx
GetUserDefaultLocaleName
RtlAddFunctionTable
CreateDirectoryW
RemoveDirectoryW
GetFileSizeEx
LoadLibraryA
IsWow64Process
InitializeCriticalSectionAndSpinCount
AddVectoredExceptionHandler
SetUnhandledExceptionFilter
UnhandledExceptionFilter
TerminateProcess
GetCurrentProcessId
RaiseFailFastException
FreeLibrary
RaiseException
WaitForSingleObject
TlsSetValue
TlsGetValue
GetSystemInfo
IsDebuggerPresent
LeaveCriticalSection
EnterCriticalSection
DeleteCriticalSection
InitializeCriticalSection
WriteFile
GetProcessTimes
GetCommandLineW
ReadFile
SetFilePointer
GetProcAddress
GetModuleHandleExW
SetErrorMode
CloseHandle
GetCurrentProcess
FlushProcessWriteBuffers
SetLastError
GetLastError
OutputDebugStringW
SetXStateFeaturesMask
DebugBreak
DecodePointer
GetStringTypeW
RtlVirtualUnwind
IsProcessorFeaturePresent
RtlUnwindEx
EncodePointer
TlsFree
RtlPcToFileHeader
InitializeConditionVariable
WakeConditionVariable
WakeAllConditionVariable
SleepConditionVariableCS
SleepConditionVariableSRW
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
InitializeCriticalSectionEx
TryEnterCriticalSection
GetExitCodeThread
CreateFileMappingA

advapi32

RegGetValueW
SetKernelObjectSecurity
GetSidSubAuthorityCount
GetSidSubAuthority
GetTokenInformation
DeregisterEventSource
ReportEventW
RegisterEventSourceW
RegQueryValueExW
RegOpenKeyExW
RegCloseKey
EventRegister
AdjustTokenPrivileges
OpenProcessToken
LookupPrivilegeValueW
SetThreadToken
RevertToSelf
OpenThreadToken
EventWriteTransfer
EventWrite

ole32

CoGetClassObject
CoGetContextToken
CoGetObjectContext
CoUnmarshalInterface
StringFromGUID2
CoCreateFreeThreadedMarshaler
CoUninitialize
CoWaitForMultipleHandles
CoRegisterInitializeSpy
CoMarshalInterface
CreateStreamOnHGlobal
CoCreateGuid
CoRevokeInitializeSpy
CoTaskMemAlloc
CoTaskMemFree
CoInitializeEx
CoReleaseMarshalData
IIDFromString
CLSIDFromProgID
CoGetMarshalSizeMax

oleaut32

SafeArrayAllocData
SafeArrayGetElemsize
SysStringByteLen
SysAllocStringByteLen
SafeArrayCreateVector
SafeArrayPutElement
LoadRegTypeLi
CreateErrorInfo
SafeArrayAllocDescriptorEx
VarCyFromDec
VariantInit
VariantClear
SafeArraySetRecordInfo
VariantChangeType
SafeArrayGetVartype
LoadTypeLibEx
QueryPathOfRegTypeLi
SafeArrayDestroy
SafeArrayGetLBound
SafeArrayGetDim
SysAllocStringLen
SysStringLen
SysAllocString
SetErrorInfo
GetErrorInfo
SysFreeString
VariantChangeTypeEx
GetRecordInfoFromTypeInfo

user32

MessageBoxW
LoadStringW

shell32

ShellExecuteW

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

isupper
strncpy_s
strncmp
_strnicmp
wcsncat_s
_stricmp
tolower
wcsncmp
iswupper
towlower
isalpha
isdigit
wcstok_s
strnlen
strcspn
iswascii
towupper
_wcsdup
wcscat_s
wcscpy_s
strcpy_s
islower
strlen
strcmp
_wcsnicmp
strtok_s
isspace
__strncnt
strncat_s
strcat_s
iswspace
wcsnlen
_wcsicmp
wcsncpy_s
_strdup

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

fclose
_wfopen
__p__commode
_set_fmode
fgets
__stdio_common_vsscanf
__stdio_common_vsnwprintf_s
fputs
fopen
__stdio_common_vsnprintf_s
fwrite
__stdio_common_vswprintf_s
fputws
_putws
_flushall
__stdio_common_vfprintf
fseek
__stdio_common_vsprintf_s
fputwc
__acrt_iob_func
fflush
ftell
_fileno
_wfsopen
_get_stream_buffer_pointers
_fseeki64
fread
fsetpos
ungetc
fgetpos
_dup
_setmode
setvbuf
__stdio_common_vfwprintf
__stdio_common_vswprintf
fputc
fgetc

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

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

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

_wtoi
_ltow_s
atol
_atoi64
strtoull
wcstoul
_itow_s
strtoul
_wcstoui64

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

_set_new_mode
malloc
realloc
calloc
free

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

qsort

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

cosf
cos
ceilf
ceil
atanf
atan2f
atan2
atan
asinf
asin
acosf
acos
modff
log2
atanh
acosh
ilogb
cbrt
asinh
asinhf
ilogbf
cosh
cbrtf
acoshf
log2f
coshf
fmod
powf
pow
fmodf
log
exp
expf
_fdopen
floor
modf
_copysignf
_isnanf
floorf
tanhf
tanh
fma
fmaf
frexp
log10
log10f
_copysign
_isnan
logf
__setusermatherr
sin
sinf
atanhf
_finite
sinh
tanf
sinhf
sqrt
sqrtf
tan

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

_gmtime64_s
_time64
wcsftime

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

_lock_locales
_unlock_locales
localeconv
setlocale
_configthreadlocale
__pctype_func
___lc_locale_name_func
___lc_codepage_func
___mb_cur_max_func

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

_wremove
_wrename
_lock_file
_unlock_file

Exports

Exports

CLRJitAttachState
DotNetRuntimeInfo
MetaDataGetDispenser
g_CLREngineMetrics

Sections

.text
Size: 6.0MB - Virtual size: 6.0MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.CLR_UEF
Size: 512B - Virtual size: 271B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.5MB - Virtual size: 1.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 28KB - Virtual size: 120KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 215KB - Virtual size: 214KB

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

Section
Size: 512B - Virtual size: 8B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 77KB - Virtual size: 76KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 28KB - Virtual size: 28KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5fd9536cd15200695d07ceae818f2be8

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

advapi32

ole32

oleaut32

user32

shell32

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

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

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

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

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

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

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

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

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

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

Exports

Exports

Sections

.text Size: 6.0MB - Virtual size: 6.0MB

.CLR_UEF Size: 512B - Virtual size: 271B

.rdata Size: 1.5MB - Virtual size: 1.5MB

.data Size: 28KB - Virtual size: 120KB

.pdata Size: 215KB - Virtual size: 214KB

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

Section Size: 512B - Virtual size: 8B

_RDATA Size: 77KB - Virtual size: 76KB

.rsrc Size: 1.3MB - Virtual size: 1.3MB

.reloc Size: 28KB - Virtual size: 28KB

.text
Size: 6.0MB - Virtual size: 6.0MB

.CLR_UEF
Size: 512B - Virtual size: 271B

.rdata
Size: 1.5MB - Virtual size: 1.5MB

.data
Size: 28KB - Virtual size: 120KB

.pdata
Size: 215KB - Virtual size: 214KB

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

Section
Size: 512B - Virtual size: 8B

_RDATA
Size: 77KB - Virtual size: 76KB

.rsrc
Size: 1.3MB - Virtual size: 1.3MB

.reloc
Size: 28KB - Virtual size: 28KB