stubclean[.]exe

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General

Target

stubclean.exe
Size

5.1MB
MD5

6e49292c03ecfa4534aafc7e8bc8af83
SHA1

68d86b78857e688e08ec6db7e000cfe2fdae2b3e
SHA256

90a0f491e64700ffe523857b5e4c920e6483b81416d8c8b68c6f3113d7f235d2
SHA512

b52de6b1bf6f41579aa3e720ad53c4519224676fb1745c9853ff7c1da0ae7a98a800114486460aa107f9bff5b38e98500fbf0b70cdb154c42b4cfae85b1cb8e9
SSDEEP

49152:z8Op2rDgjNiS6Q80QNuo0rLAxR6iA64g1/zz/yRM0jZvf/SAdWdcexigVNWzYMb/:zPdcuoSt6r1/zzifVHtEwMAwq

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
stubclean.exe

Files

stubclean.exe
.exe windows x64

77658839c6359d973fb78c1875ca2d9c

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

advapi32

OpenProcessToken
RegCloseKey
RegEnumKeyExW
RegEnumValueW
RegOpenKeyExW
RegQueryInfoKeyW
RegSetValueExW
SystemFunction036

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
AddVectoredExceptionHandler
CancelIo
CloseHandle
CompareStringOrdinal
CopyFileExW
CreateDirectoryW
CreateEventW
CreateFileMappingA
CreateFileW
CreateHardLinkW
CreateMutexA
CreateNamedPipeW
CreateProcessW
CreateSymbolicLinkW
CreateThread
CreateToolhelp32Snapshot
DeleteFileW
DeviceIoControl
DuplicateHandle
ExitProcess
FileTimeToSystemTime
FindClose
FindFirstFileW
FindNextFileW
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
GetCommandLineW
GetConsoleMode
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileType
GetFinalPathNameByHandleW
GetFullPathNameW
GetLastError
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleW
GetOverlappedResult
GetProcAddress
GetProcessHeap
GetProcessId
GetStdHandle
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetWindowsDirectoryW
HeapAlloc
HeapFree
HeapReAlloc
InitOnceBeginInitialize
InitOnceComplete
LoadLibraryA
MapViewOfFile
Module32FirstW
Module32NextW
MoveFileExW
MultiByteToWideChar
QueryPerformanceCounter
QueryPerformanceFrequency
ReadConsoleW
ReadFile
ReadFileEx
ReleaseMutex
ReleaseSRWLockExclusive
ReleaseSRWLockShared
RemoveDirectoryW
RtlCaptureContext
RtlLookupFunctionEntry
SetCurrentDirectoryW
SetEnvironmentVariableW
SetFileAttributesW
SetFileInformationByHandle
SetFilePointerEx
SetFileTime
SetHandleInformation
SetLastError
SetThreadStackGuarantee
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SleepEx
SwitchToThread
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnmapViewOfFile
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFileEx
DeleteCriticalSection
EnterCriticalSection
InitializeCriticalSection
LeaveCriticalSection
RaiseException
RtlUnwindEx
RtlVirtualUnwind
VirtualProtect
VirtualQuery
__C_specific_handler

bcrypt

BCryptGenRandom

msvcrt

__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_commode
_fmode
_fpreset
_initterm
_onexit
abort
calloc
exit
fprintf
free
fwrite
malloc
memcmp
memcpy
memmove
memset
signal
strlen
strncmp
vfprintf

ntdll

NtCreateFile
NtReadFile
NtWriteFile
RtlNtStatusToDosError

userenv

GetUserProfileDirectoryW

ws2_32

WSACleanup
WSADuplicateSocketW
WSAGetLastError
WSARecv
WSASend
WSASocketW
WSAStartup
accept
bind
closesocket
connect
freeaddrinfo
getaddrinfo
getpeername
getsockname
getsockopt
ioctlsocket
listen
recv
recvfrom
select
send
sendto
setsockopt
shutdown

Sections

.text
Size: 835KB - Virtual size: 835KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 416B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 187KB - Virtual size: 186KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 27KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 42KB - Virtual size: 41KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 864B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 112B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/4
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 561KB - Virtual size: 561KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/35
Size: 894KB - Virtual size: 894KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/47
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/61
Size: 381KB - Virtual size: 381KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/73
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/86
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/97
Size: 512B - Virtual size: 198B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/113
Size: 506KB - Virtual size: 505KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/127
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/143
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/159
Size: 512B - Virtual size: 405B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

77658839c6359d973fb78c1875ca2d9c

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

bcrypt

msvcrt

ntdll

userenv

ws2_32

Sections

.text Size: 835KB - Virtual size: 835KB

.data Size: 512B - Virtual size: 416B

.rdata Size: 187KB - Virtual size: 186KB

.pdata Size: 27KB - Virtual size: 26KB

.xdata Size: 42KB - Virtual size: 41KB

.bss Size: - Virtual size: 864B

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

.CRT Size: 512B - Virtual size: 112B

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

.reloc Size: 6KB - Virtual size: 6KB

/4 Size: 1KB - Virtual size: 1KB

/19 Size: 561KB - Virtual size: 561KB

/35 Size: 894KB - Virtual size: 894KB

/47 Size: 10KB - Virtual size: 10KB

/61 Size: 381KB - Virtual size: 381KB

/73 Size: 3KB - Virtual size: 2KB

/86 Size: 1.3MB - Virtual size: 1.3MB

/97 Size: 512B - Virtual size: 198B

/113 Size: 506KB - Virtual size: 505KB

/127 Size: 4KB - Virtual size: 3KB

/143 Size: 5KB - Virtual size: 4KB

/159 Size: 512B - Virtual size: 405B

.text
Size: 835KB - Virtual size: 835KB

.data
Size: 512B - Virtual size: 416B

.rdata
Size: 187KB - Virtual size: 186KB

.pdata
Size: 27KB - Virtual size: 26KB

.xdata
Size: 42KB - Virtual size: 41KB

.bss
Size: - Virtual size: 864B

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

.CRT
Size: 512B - Virtual size: 112B

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

.reloc
Size: 6KB - Virtual size: 6KB

/4
Size: 1KB - Virtual size: 1KB

/19
Size: 561KB - Virtual size: 561KB

/35
Size: 894KB - Virtual size: 894KB

/47
Size: 10KB - Virtual size: 10KB

/61
Size: 381KB - Virtual size: 381KB

/73
Size: 3KB - Virtual size: 2KB

/86
Size: 1.3MB - Virtual size: 1.3MB

/97
Size: 512B - Virtual size: 198B

/113
Size: 506KB - Virtual size: 505KB

/127
Size: 4KB - Virtual size: 3KB

/143
Size: 5KB - Virtual size: 4KB

/159
Size: 512B - Virtual size: 405B