stubdownloader[.]exe

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General

Target

stubdownloader.exe
Size

230KB
MD5

9f78ddf0b80e9d3b735f34c82df45df8
SHA1

35412bcc3b08c31baffdaba2aa96a7efea288fa4
SHA256

9655ba431831bd59240b44ce2958a0aa20404078da93486cea0b9ce53753a38d
SHA512

ae4f08c42c768e7022ea23fbc82abac5412a0dba047f2906c57a8cce8e666ccf6e65007ff1e923a8022e0af3d0070989130b5708ab05d83cae39f72994aa3d5d
SSDEEP

3072:KUcvuJEXStOjA7BpQC2mCLsTRozN4rMtH02BhAAH7TNd3XxfyEAg0FujouL1Vwso:omjtOEKKo0MtUEjwEAO3wHes

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs
Checks for missing Authenticode signature.

Processes:

resource

stubdownloader.exe

resource
stubdownloader.exe

Files

stubdownloader.exe
.exe windows x86

d2009423b16ecb729c183ef430a4a229

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

WriteProcessMemory
VirtualFree
GetCurrentProcess
VirtualAlloc
TerminateProcess
GetModuleFileNameW
GetProductInfo
GetTempPathW
InitializeCriticalSectionEx
ResumeThread
GetModuleHandleA
MultiByteToWideChar
GetLastError
RaiseException
GetSystemInfo
DecodePointer
GetThreadContext
GetProcAddress
VirtualAllocEx
DeleteCriticalSection
ReadProcessMemory
CreateProcessW
QueryFullProcessImageNameW
SetThreadContext
CreateFileW
ReadConsoleW
WriteConsoleW
SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
IsDebuggerPresent
OutputDebugStringW
EnterCriticalSection
LeaveCriticalSection
WideCharToMultiByte
EncodePointer
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
CloseHandle
SetEvent
ResetEvent
WaitForSingleObjectEx
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
RtlUnwind
FreeLibrary
LoadLibraryExW
HeapAlloc
HeapReAlloc
HeapFree
ExitProcess
GetModuleHandleExW
GetModuleFileNameA
GetStdHandle
WriteFile
GetACP
GetFileType
FlushFileBuffers
GetConsoleCP
GetConsoleMode
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
ReadFile
SetFilePointerEx
HeapSize
GetProcessHeap
FindClose
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCommandLineA
SetEndOfFile

shell32

ShellExecuteExW

ole32

CoInitialize
CoUninitialize

urlmon

URLOpenBlockingStreamA

wininet

DeleteUrlCacheEntryA

Sections

.text
Size: 149KB - Virtual size: 149KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 64KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 1024B - Virtual size: 904B

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

.reloc
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d2009423b16ecb729c183ef430a4a229

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

shell32

ole32

urlmon

wininet

Sections

.text Size: 149KB - Virtual size: 149KB

.rdata Size: 64KB - Virtual size: 64KB

.data Size: 4KB - Virtual size: 7KB

.gfids Size: 1024B - Virtual size: 904B

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

.reloc Size: 10KB - Virtual size: 9KB

.text
Size: 149KB - Virtual size: 149KB

.rdata
Size: 64KB - Virtual size: 64KB

.data
Size: 4KB - Virtual size: 7KB

.gfids
Size: 1024B - Virtual size: 904B

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

.reloc
Size: 10KB - Virtual size: 9KB