winst[.]exe | Triage

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General

Target

winst.exe
Size

211KB
MD5

59238144771807b1cbc407b250d6b2c3
SHA1

6c9f87cca7e857e888cb19ea45cf82d2e2d29695
SHA256

8baa5811836c0b4a64810f6a7d6e1d31d7f80350c69643dc9594f58fd0233a7b
SHA512

cf2f8b84526ae8a1445a2d8a2b9099b164f80a7b7290f68058583b0b235395d749ad0b726c4e36d5e901c18d6946fd9b0dd76c20016b65dc7a3977f68ee4a220
SSDEEP

3072:CFITGLr+kmeUE2+YA8zuxD1gb/uVVohUFVEovODl9ply5nk/7K1bjT5h3qs:CbLUEkAtvaumhUXvwl9P62

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
winst.exe

Files

winst.exe
.exe windows:6 windows x86 arch:x86

b66f87cf58494faf62e606c7906acafe

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

LoadLibraryA
MultiByteToWideChar
CreateFileW
GetCurrentThreadId
WideCharToMultiByte
LCMapStringEx
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
CompareStringEx
GetCPInfo
CloseHandle
QueryPerformanceCounter
GetStringTypeW
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
IsProcessorFeaturePresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsDebuggerPresent
GetStartupInfoW
GetCurrentProcessId
InitializeSListHead
RtlUnwind
RaiseException
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
ExitProcess
GetModuleFileNameW
GetStdHandle
WriteFile
HeapAlloc
HeapFree
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
HeapReAlloc
GetTimeZoneInformation
GetFileType
SetFilePointerEx
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
GetProcessHeap
SetStdHandle
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
HeapSize
WriteConsoleW

winhttp

WinHttpReceiveResponse

Sections

.text
Size: 160KB - Virtual size: 160KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 44KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 8KB

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

Sharing

General

Malware Config

Signatures

Files

b66f87cf58494faf62e606c7906acafe

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

winhttp

Sections

.text Size: 160KB - Virtual size: 160KB

.rdata Size: 44KB - Virtual size: 43KB

.data Size: 4KB - Virtual size: 8KB

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

.text
Size: 160KB - Virtual size: 160KB

.rdata
Size: 44KB - Virtual size: 43KB

.data
Size: 4KB - Virtual size: 8KB

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