a82c70be9a9c768c3916f5600757bccff4d97b364bac78302789b58c4932a143

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General

Target

a82c70be9a9c768c3916f5600757bccff4d97b364bac78302789b58c4932a143
Size

179KB
MD5

8486fee59e7e9ec70ca139e3cae5654f
SHA1

05e1af4b1c847db2f2fb2ac997478a6b7e8b0be2
SHA256

a82c70be9a9c768c3916f5600757bccff4d97b364bac78302789b58c4932a143
SHA512

b0a9ac4c53b88208f4200a49a3a336683b1eef2ebba1db578c8f056dd2b87d7202d97deae39191221a4d666be5c8ddcd8275517972eb685112ae23e3fbb2f57f
SSDEEP

3072:pXIcpr9wKLKVO/npEm2mT9UNwQ5J9c7yaqwGKTArPwlD53o1ZfnKA:/uG2mBUNwQ5g7VgR23ovK

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
a82c70be9a9c768c3916f5600757bccff4d97b364bac78302789b58c4932a143

Files

a82c70be9a9c768c3916f5600757bccff4d97b364bac78302789b58c4932a143
.exe windows:5 windows x86 arch:x86

3bb618f14de7c35e84f2defb1e046894

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

H:\baidu\netdisk\pc-international\output\pdb\YunUtilityService.pdb

Imports

userenv

CreateEnvironmentBlock
DestroyEnvironmentBlock

wintrust

WTHelperGetProvCertFromChain
WinVerifyTrust
WTHelperProvDataFromStateData
WTHelperGetProvSignerFromChain

crypt32

CertGetNameStringW

kernel32

GetSystemTime
GetCurrentThreadId
TlsFree
TlsAlloc
TlsGetValue
WriteConsoleW
SetConsoleTextAttribute
FreeConsole
GetConsoleScreenBufferInfo
GetStdHandle
AllocConsole
OutputDebugStringW
GetVersionExW
CloseHandle
GetCurrentProcess
GetCurrentProcessId
LocalFree
FormatMessageW
GetModuleFileNameW
EnterCriticalSection
InterlockedDecrement
LeaveCriticalSection
MultiByteToWideChar
GetProcAddress
GetModuleHandleW
InitializeCriticalSection
IsDebuggerPresent
lstrcmpiW
LoadLibraryExW
GetCommandLineW
SetErrorMode
InitializeCriticalSectionAndSpinCount
DecodePointer
RaiseException
DeleteCriticalSection
FindResourceExW
FindResourceW
LoadResource
LockResource
SizeofResource
GetProcessHeap
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
HeapDestroy
GetLastError
FreeLibrary
GetPrivateProfileIntW
SetEvent
OpenProcess
InterlockedIncrement
InitializeSListHead
GetSystemTimeAsFileTime
QueryPerformanceCounter
GetStartupInfoW
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
CreateEventW
ResetEvent
WaitForSingleObjectEx

user32

CharNextW
DefWindowProcW

advapi32

RegQueryInfoKeyW
RegDeleteKeyW
RegCreateKeyExW
RegEnumKeyExW
RegSetValueExW
RegOpenKeyExW
RegDeleteValueW
StartServiceCtrlDispatcherW
DeleteService
ControlService
OpenServiceW
SetServiceObjectSecurity
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
SetEntriesInAclW
BuildExplicitAccessWithNameW
GetSecurityDescriptorDacl
QueryServiceObjectSecurity
ChangeServiceConfig2W
CreateServiceW
OpenSCManagerW
CloseServiceHandle
RegisterServiceCtrlHandlerExW
SetServiceStatus
CreateProcessAsUserW
GetTokenInformation
OpenProcessToken
RegCloseKey

ole32

CoUninitialize
CoInitializeEx
OleInitialize
CoTaskMemAlloc
CoCreateInstance
CoTaskMemFree
CoTaskMemRealloc
OleUninitialize

oleaut32

VarUI4FromStr

msvcp140

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

vcruntime140

__CxxFrameHandler3
_CxxThrowException
memcpy
__std_exception_destroy
__std_exception_copy
_except_handler4_common
__vcrt_InitializeCriticalSectionEx
memset
wcsrchr
__std_terminate
memmove
wcschr
_purecall
wcsstr

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

_wcsicmp
wcsncpy_s
wmemcpy_s

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

terminate
_seh_filter_exe
_set_app_type
_cexit
_configure_wide_argv
_get_wide_winmain_command_line
_initterm
_initterm_e
exit
_exit
_crt_atexit
_c_exit
_register_thread_local_exe_atexit_callback
_register_onexit_function
_errno
_initialize_wide_environment
_initialize_onexit_table
_invalid_parameter_noinfo_noreturn
_invalid_parameter_noinfo
_controlfp_s

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

_wfsopen
__stdio_common_vfwprintf
fflush
__stdio_common_vsnwprintf_s
_set_fmode
fclose
__p__commode
__stdio_common_vswprintf
__stdio_common_vswprintf_s

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

_time64
wcsftime
_localtime64_s

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

wcstoul

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

_callnewh
malloc
_set_new_mode
free
_recalloc

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

__setusermatherr

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

_configthreadlocale

Sections

.text
Size: 59KB - Virtual size: 58KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 19KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 512B - Virtual size: 88B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

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: 72KB - Virtual size: 72KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

3bb618f14de7c35e84f2defb1e046894

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

userenv

wintrust

crypt32

kernel32

user32

advapi32

ole32

oleaut32

msvcp140

vcruntime140

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

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

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

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

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

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

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

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

Sections

.text Size: 59KB - Virtual size: 58KB

.rdata Size: 19KB - Virtual size: 18KB

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

.gfids Size: 512B - Virtual size: 88B

.tls Size: 512B - Virtual size: 9B

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

.reloc Size: 72KB - Virtual size: 72KB

.text
Size: 59KB - Virtual size: 58KB

.rdata
Size: 19KB - Virtual size: 18KB

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

.gfids
Size: 512B - Virtual size: 88B

.tls
Size: 512B - Virtual size: 9B

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

.reloc
Size: 72KB - Virtual size: 72KB