welcome[.]exe | Triage

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General

Target

welcome.exe
Size

5.0MB
MD5

c1cef312029e582675bc099f2fa9434f
SHA1

83e87047513c1108a8d4c192a2a92cda6ff74f99
SHA256

6bbb01fdc7ea321da370f73d81e5c5d5d8686e3466c0ee09e157859714ca99ab
SHA512

987e08730a6f858b4331da86bb6fa05da051a5b5f5fe0871fdc24b5d10ba5eb3888da20ee590ad4f02736b10809e31118fae8729fb2d08e6d66427ca614073a5
SSDEEP

98304:AS8+xOZ4GznX/Bl8+uR2rcR2lCW5Ij2GxS:ft0f7BG/2lH5aS

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
welcome.exe

Files

welcome.exe
.exe windows:5 windows x64 arch:x64

f17c0b0e2534cd450f16549341ba031e

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

oleaut32

SysFreeString
SysReAllocStringLen
SysAllocStringLen
SafeArrayPtrOfIndex
SafeArrayGetUBound
SafeArrayGetLBound
SafeArrayCreate
VariantChangeType
VariantCopy
VariantClear
VariantInit
GetErrorInfo
SysFreeString

advapi32

RegQueryValueExW
RegOpenKeyExW
RegCloseKey

user32

CharNextW
LoadStringW
CreateWindowExW
UpdateWindow
TranslateMessage
SystemParametersInfoW
ShowWindow
RegisterClassW
PeekMessageW
MsgWaitForMultipleObjects
MessageBoxW
LoadStringW
GetSystemMetrics
GetMessageW
EndPaint
DispatchMessageW
DefWindowProcW
CharUpperBuffW
CharUpperW
CharLowerBuffW
BeginPaint

kernel32

Sleep
VirtualFree
VirtualAlloc
lstrlenW
VirtualQuery
QueryPerformanceCounter
GetTickCount
GetSystemInfo
GetVersion
CompareStringW
IsValidLocale
SetThreadLocale
GetSystemDefaultUILanguage
GetUserDefaultUILanguage
GetLocaleInfoW
WideCharToMultiByte
MultiByteToWideChar
GetACP
LoadLibraryExW
GetStartupInfoW
GetProcAddress
GetModuleHandleW
GetModuleFileNameW
GetCommandLineW
FreeLibrary
GetLastError
UnhandledExceptionFilter
RtlUnwindEx
RtlUnwind
RaiseException
ExitProcess
ExitThread
SwitchToThread
GetCurrentThreadId
CreateThread
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
FindFirstFileW
FindClose
WriteFile
GetStdHandle
CloseHandle
GetProcAddress
RaiseException
LoadLibraryA
GetLastError
TlsSetValue
TlsGetValue
LocalFree
LocalAlloc
GetModuleHandleW
FreeLibrary
WriteFile
WideCharToMultiByte
WaitForSingleObject
VirtualQueryEx
VirtualQuery
VirtualProtect
VirtualFree
VirtualAlloc
VerSetConditionMask
VerifyVersionInfoW
UnmapViewOfFile
SwitchToThread
SuspendThread
Sleep
SetThreadPriority
SetLastError
SetFileTime
SetFilePointer
SetEvent
SetEndOfFile
ResumeThread
ResetEvent
ReleaseSemaphore
ReadFile
RaiseException
QueryDosDeviceW
IsDebuggerPresent
MapViewOfFile
LocalFree
LoadLibraryA
LoadLibraryW
LeaveCriticalSection
IsValidLocale
InitializeCriticalSection
HeapSize
HeapFree
HeapDestroy
HeapCreate
HeapAlloc
GetVolumeInformationW
GetVersionExW
GetTimeZoneInformation
GetTickCount64
GetTickCount
GetThreadPriority
GetThreadLocale
GetSystemInfo
GetStdHandle
GetProcAddress
GetModuleHandleW
GetModuleFileNameW
GetLogicalDrives
GetLogicalDriveStringsW
GetLocaleInfoW
GetLocalTime
GetLastError
GetFullPathNameW
GetFileSize
GetFileAttributesExW
GetFileAttributesW
GetExitCodeThread
GetDriveTypeW
GetDiskFreeSpaceW
GetDateFormatW
GetCurrentThreadId
GetCurrentThread
GetCurrentProcess
GetCPInfoExW
GetCPInfo
GetACP
FreeLibrary
FormatMessageW
FlushInstructionCache
FindNextFileW
FindFirstFileW
FindClose
FileTimeToSystemTime
FileTimeToLocalFileTime
FileTimeToDosDateTime
ExitProcess
EnumSystemLocalesW
EnumCalendarInfoW
EnterCriticalSection
DeleteCriticalSection
CreateSemaphoreA
CreateProcessW
CreatePipe
CreateFileMappingW
CreateFileW
CreateEventA
CreateEventW
CreateDirectoryW
CompareStringW
CloseHandle
Sleep

gdi32

SetBkColor
Rectangle

version

VerQueryValueW
GetFileVersionInfoSizeW
GetFileVersionInfoW

netapi32

NetApiBufferFree
NetWkstaGetInfo

ole32

CoCreateInstance
CoUninitialize
CoInitialize

msvcrt

memset
memmove
memcpy
_beginthreadex

winmm

waveOutGetVolume

Exports

Exports

TMethodImplementationIntercept
__dbk_fcall_wrapper
dbkFCallWrapperAddr

Sections

.text
Size: 4.6MB - Virtual size: 4.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 182KB - Virtual size: 181KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 45KB

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

.didata
Size: 1024B - Virtual size: 848B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 153B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: - Virtual size: 584B

IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 512B - Virtual size: 108B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 84KB - Virtual size: 83KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.pdata
Size: 103KB - Virtual size: 103KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 13KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f17c0b0e2534cd450f16549341ba031e

Headers

File Characteristics

Imports

oleaut32

advapi32

user32

kernel32

gdi32

version

netapi32

ole32

msvcrt

winmm

Exports

Exports

Sections

.text Size: 4.6MB - Virtual size: 4.6MB

.data Size: 182KB - Virtual size: 181KB

.bss Size: - Virtual size: 45KB

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

.didata Size: 1024B - Virtual size: 848B

.edata Size: 512B - Virtual size: 153B

.tls Size: - Virtual size: 584B

.rdata Size: 512B - Virtual size: 108B

.reloc Size: 84KB - Virtual size: 83KB

.pdata Size: 103KB - Virtual size: 103KB

.rsrc Size: 13KB - Virtual size: 13KB

.text
Size: 4.6MB - Virtual size: 4.6MB

.data
Size: 182KB - Virtual size: 181KB

.bss
Size: - Virtual size: 45KB

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

.didata
Size: 1024B - Virtual size: 848B

.edata
Size: 512B - Virtual size: 153B

.tls
Size: - Virtual size: 584B

.rdata
Size: 512B - Virtual size: 108B

.reloc
Size: 84KB - Virtual size: 83KB

.pdata
Size: 103KB - Virtual size: 103KB

.rsrc
Size: 13KB - Virtual size: 13KB