kdu[.]exe | Triage

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General

Target

kdu.exe
Size

297KB
MD5

e4bc6e8a877e0bd0c3ba4e5ec530f41c
SHA1

1450cf69695a4b5481585dd4bdc9effe2f86be95
SHA256

e18f904ea5a08e9465d6742254a4e67cd65a015924eb33cc9bf0e3da40bac852
SHA512

ecda9b256f1c3141c41d25dd1b3c8da5371eeb7dbb8d96f458751e8fca881b9b4065b7dc3be012759d1282c5405769236ab997b1d53b36c66584d1ff28f64138
SSDEEP

6144:mHAEBjU34yaI5GO6pHOCsEfOjXZpZKrGfjb5bmRH:eAP34yaI5GO69lsfZRrtCRH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
kdu.exe

Files

kdu.exe
.exe windows:6 windows x64 arch:x64

bb60d639a5ea1727711e29ca2bf70535

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

FreeLibrary
LoadLibraryExW
GetStartupInfoW
WriteProcessMemory
VirtualFree
ResumeThread
UnmapViewOfFile
DeleteFileW
CreateProcessW
GetModuleHandleW
VirtualUnlock
VirtualLock
TerminateProcess
Sleep
GetCurrentProcessId
TerminateThread
CreateThread
HeapSetInformation
GetProcAddress
CreateEventW
HeapAlloc
GetProcessHeap
GetConsoleScreenBufferInfo
SetConsoleTextAttribute
GetCommandLineW
GetStdHandle
GetModuleFileNameW
CreateFileW
GetSystemInfo
ReadProcessMemory
GetSystemTimeAsFileTime
CreateFileMappingW
MapViewOfFile
GetFirmwareEnvironmentVariableW
WriteConsoleW
GetSystemDirectoryW
CloseHandle
WaitForSingleObject
SetLastError
GetLastError
SetDllDirectoryW
VirtualAlloc
HeapReAlloc
HeapSize
SetFilePointerEx
GetFileSizeEx
GetConsoleMode
GetConsoleOutputCP
FlushFileBuffers
GetStringTypeW
SetStdHandle
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
WideCharToMultiByte
MultiByteToWideChar
GetCPInfo
GetOEMCP
GetACP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
GetFileType
LCMapStringW
CompareStringW
FlsFree
FlsSetValue
FlsGetValue
FlsAlloc
HeapFree
GetCommandLineA
GetModuleHandleExW
ExitProcess
GetCurrentProcess
WriteFile
RtlPcToFileHeader
RaiseException
EncodePointer
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
RtlUnwindEx
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
InitializeSListHead
GetCurrentThreadId
QueryPerformanceCounter

advapi32

RegDeleteKeyW
RegCreateKeyExW
RegEnumKeyExW
RegSetValueExW
RegOpenKeyExW
RegCloseKey

ntdll

LdrAccessResource
RtlTimeToSecondsSince1970
NtLoadDriver
RtlSetLastWin32Error
NtSetValueKey
NtOpenSection
NtCreateFile
NtQueryObject
LdrFindEntryForAddress
RtlInitString
RtlFreeHeap
NtQueryDirectoryObject
NtOpenDirectoryObject
NtFlushBuffersFile
RtlUnicodeStringToAnsiString
RtlLengthRequiredSid
LdrFindResource_U
RtlDosPathNameToNtPathName_U
RtlFreeUnicodeString
NtQueryInformationProcess
NtUnloadDriver
NtWriteFile
NtQuerySystemInformation
RtlEqualUnicodeString
RtlAllocateHeap
LdrGetProcedureAddress
NtOpenProcessToken
RtlFreeAnsiString
NtAdjustPrivilegesToken
NtSetSecurityObject
RtlDoesFileExists_U
NtCreateMutant
RtlGetVersion
LdrUnloadDll
NtAlpcDisconnectPort
RtlCreateSecurityDescriptor
NtAlpcCreatePort
RtlCreateAcl
NtAlpcAcceptConnectPort
RtlAddAccessAllowedAce
RtlLengthSid
NtReplyWaitReceivePort
RtlSetDaclSecurityDescriptor
RtlSubAuthoritySid
RtlInitializeSid
NtDeviceIoControlFile
NtTerminateProcess
NtDuplicateObject
NtOpenProcess
NtOpenKey
NtMapViewOfSection
NtUnmapViewOfSection
RtlNtStatusToDosError
NtClose
RtlImageNtHeader
LdrLoadDll
RtlInitUnicodeString
NtCreateSection
RtlExpandEnvironmentStrings

rpcrt4

UuidCreate

setupapi

SetupDiRemoveDevice
SetupDiDestroyDeviceInfoList
SetupDiCreateDeviceInfoW
SetupDiSetDeviceRegistryPropertyW
SetupDiCallClassInstaller
SetupDiGetINFClassW
SetupDiCreateDeviceInfoList

newdev

UpdateDriverForPlugAndPlayDevicesW

msdelta

ApplyDeltaB
DeltaFree

Sections

.text
Size: 140KB - Virtual size: 140KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 62KB - Virtual size: 61KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 252B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

bb60d639a5ea1727711e29ca2bf70535

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

ntdll

rpcrt4

setupapi

newdev

msdelta

Sections

.text Size: 140KB - Virtual size: 140KB

.rdata Size: 62KB - Virtual size: 61KB

.data Size: 8KB - Virtual size: 12KB

.pdata Size: 7KB - Virtual size: 7KB

_RDATA Size: 512B - Virtual size: 252B

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

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

.text
Size: 140KB - Virtual size: 140KB

.rdata
Size: 62KB - Virtual size: 61KB

.data
Size: 8KB - Virtual size: 12KB

.pdata
Size: 7KB - Virtual size: 7KB

_RDATA
Size: 512B - Virtual size: 252B

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

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