PuTTY[.]exe | Triage

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General

Target

PuTTY.exe
Size

1.2MB
MD5

1d5ad4a60ec9be32c11ad99f234bfe8f
SHA1

be6909ba6e0b4d228da5b9daccc83f7082c06cf2
SHA256

f59035192098e44b86c4648a0de4078edbe80352260276f4755d15d354f5fc58
SHA512

60dc811e939fba514ad060185f0e5fe56bec093fe242bf77ac4fca80379d856ffb3a20ce9089fa086bdefdd2aa91c662482323f694270ce02a5cf24c80bf65b7
SSDEEP

24576:tMBcqyK86pA7yPxYdC70iQMN+PeTNzA9NIVzlMRGKwQ7Yv0IgvIgXxv7zMo:tMBc2QyJ0iQMNkeTNzA9NIVzJXQ7+0YV

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
PuTTY.exe

Files

PuTTY.exe
.exe windows:6 windows x64 arch:x64

ac4e395abebae66f006427a8579a8bb9

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

advapi32

RegCloseKey
RegOpenKeyA
RegQueryValueExA
GetUserNameA
RegCreateKeyA
EqualSid
AllocateAndInitializeSid
CopySid
GetLengthSid
InitializeSecurityDescriptor
SetSecurityDescriptorDacl
SetSecurityDescriptorOwner
RegCreateKeyExA
RegDeleteKeyA
RegDeleteValueA
RegEnumKeyA
RegSetValueExA

comdlg32

ChooseFontA
GetOpenFileNameA
GetSaveFileNameA
ChooseColorA

gdi32

CreateCompatibleDC
CreateFontIndirectA
CreateSolidBrush
DeleteDC
DeleteObject
GetStockObject
GetTextExtentPoint32A
Rectangle
SelectObject
SetBkColor
SetTextColor
TextOutA
CreateFontA
GetDeviceCaps
GetTextExtentExPointA
SetMapMode
GetTextMetricsA
SetBkMode
GetObjectA
CreateBitmap
CreateCompatibleBitmap
CreatePalette
CreatePen
ExcludeClipRect
GetBkMode
GetCharWidthA
GetCharWidthW
GetCharWidth32A
GetCharWidth32W
GetCharABCWidthsFloatA
GetOutlineTextMetricsA
GetPixel
TranslateCharsetInfo
GetCharacterPlacementW
IntersectClipRect
LineTo
RealizePalette
SelectPalette
SetPaletteEntries
SetPixel
SetTextAlign
UpdateColors
MoveToEx
ExtTextOutA
ExtTextOutW
Polyline
UnrealizeObject

imm32

ImmReleaseContext
ImmGetCompositionStringW
ImmSetCompositionFontA
ImmSetCompositionWindow
ImmGetContext

ole32

CoInitialize
CoUninitialize
CoCreateInstance

shell32

ShellExecuteA

user32

GetQueueStatus
GetClipboardOwner
GetScrollInfo
SetScrollInfo
DrawIconEx
DestroyIcon
SetClassLongPtrA
OffsetRect
SetCaretPos
ShowCaret
HideCaret
DestroyCaret
CreateCaret
SetCursor
ShowCursor
SetForegroundWindow
GetForegroundWindow
UpdateWindow
TrackPopupMenu
DeleteMenu
AppendMenuA
InsertMenuA
EnableMenuItem
CheckMenuItem
CreatePopupMenu
CreateMenu
GetSystemMenu
KillTimer
SetTimer
MsgWaitForMultipleObjects
ToAsciiEx
SetKeyboardState
GetKeyboardState
EmptyClipboard
RegisterClipboardFormatA
GetClipboardData
SetClipboardData
CloseClipboard
OpenClipboard
IsZoomed
IsIconic
FindWindowA
FlashWindow
IsWindow
CreateWindowExW
RegisterClassW
GetDoubleClickTime
DefWindowProcW
PostMessageA
GetMessageTime
PeekMessageW
PeekMessageA
DispatchMessageW
TranslateMessage
GetKeyboardLayout
MessageBoxIndirectA
LoadImageA
LoadIconA
GetCursorPos
GetParent
GetDesktopWindow
GetWindowLongPtrA
GetSysColorBrush
SetActiveWindow
GetSystemMetrics
EnableWindow
ReleaseCapture
GetCapture
DefDlgProcA
EndDialog
DialogBoxParamA
CreateDialogParamA
SetWindowPlacement
GetWindowPlacement
MoveWindow
PostQuitMessage
DispatchMessageA
GetMessageA
MapDialogRect
SetWindowLongPtrA
ScreenToClient
MessageBeep
MessageBoxA
ReleaseDC
GetDC
SetCapture
SetFocus
SendDlgItemMessageA
IsDlgButtonChecked
CheckRadioButton
CheckDlgButton
GetDlgItemTextA
SetDlgItemTextA
GetDlgItem
SendMessageA
DrawEdge
RegisterWindowMessageA
SystemParametersInfoA
GetSysColor
GetWindowRect
GetClientRect
GetWindowTextLengthA
GetWindowTextA
SetWindowTextA
InvalidateRect
EndPaint
BeginPaint
SetWindowPos
ShowWindow
DestroyWindow
CreateWindowExA
RegisterClassA
DefWindowProcA
GetCaretBlinkTime
IsDialogMessageA
LoadCursorA

kernel32

WriteConsoleW
HeapSize
SetEndOfFile
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
IsValidCodePage
FindNextFileW
FindFirstFileExW
GetStringTypeW
SetStdHandle
GetTimeZoneInformation
LCMapStringW
CompareStringW
GetTimeFormatW
GetDateFormatW
FlsFree
FlsSetValue
FlsGetValue
FlsAlloc
HeapReAlloc
SetFilePointerEx
GetFileSizeEx
GetConsoleOutputCP
FlushFileBuffers
ReadConsoleW
GetModuleFileNameW
GetStdHandle
GetModuleHandleExW
GetFileType
CreateFileW
RtlPcToFileHeader
RaiseException
EncodePointer
LoadLibraryExW
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
SetLastError
RtlUnwindEx
GetModuleHandleW
GetStartupInfoW
IsDebuggerPresent
InitializeSListHead
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetCurrentDirectoryA
SetCurrentDirectoryA
GetACP
GetLocalTime
GetEnvironmentVariableA
CreateMutexA
ReleaseMutex
SetCommTimeouts
SetCommState
SetCommBreak
GetCommState
ClearCommBreak
OpenProcess
CreatePipe
GetCurrentThreadId
CreateNamedPipeA
ConnectNamedPipe
WaitNamedPipeA
GlobalMemoryStatus
GetWindowsDirectoryA
GetThreadTimes
GetCurrentThread
GetCurrentProcess
GetProcessTimes
QueryPerformanceCounter
FindNextFileA
FindFirstFileA
FindClose
RtlUnwind
SetHandleInformation
GetConsoleMode
FormatMessageA
GetSystemDirectoryA
GetFileAttributesExA
FindResourceA
SizeofResource
LockResource
LoadResource
GetCurrentProcessId
GetTempPathA
DeleteFileA
CreateFileA
CreateEventA
WaitForSingleObject
SetEvent
GetOverlappedResult
GetTickCount
LocalAlloc
Sleep
ExitProcess
VirtualProtect
LocalFree
HeapAlloc
HeapFree
GetProcessHeap
VirtualAlloc
VirtualFree
FreeLibrary
GetProcAddress
LoadLibraryA
IsBadReadPtr
MulDiv
Beep
CloseHandle
CreateThread
CreateProcessA
GetVersionExA
MapViewOfFile
UnmapViewOfFile
GetModuleFileNameA
GetModuleHandleA
GlobalAlloc
GlobalUnlock
GlobalLock
GlobalFree
CreateFileMappingA
MultiByteToWideChar
WideCharToMultiByte
GetOEMCP
GetCPInfo
GetLocaleInfoA
IsDBCSLeadByteEx
LocalFileTimeToFileTime
GetSystemTimeAsFileTime
LoadLibraryExA
ReadFile
WriteFile
GetLastError

Sections

.text
Size: 697KB - Virtual size: 697KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 203KB - Virtual size: 203KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 240KB - Virtual size: 257KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 34KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 16KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ac4e395abebae66f006427a8579a8bb9

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

comdlg32

gdi32

imm32

ole32

shell32

user32

kernel32

Sections

.text Size: 697KB - Virtual size: 697KB

.rdata Size: 203KB - Virtual size: 203KB

.data Size: 240KB - Virtual size: 257KB

.pdata Size: 34KB - Virtual size: 34KB

_RDATA Size: 512B - Virtual size: 244B

.rsrc Size: 16KB - Virtual size: 16KB

.reloc Size: 6KB - Virtual size: 5KB

.text
Size: 697KB - Virtual size: 697KB

.rdata
Size: 203KB - Virtual size: 203KB

.data
Size: 240KB - Virtual size: 257KB

.pdata
Size: 34KB - Virtual size: 34KB

_RDATA
Size: 512B - Virtual size: 244B

.rsrc
Size: 16KB - Virtual size: 16KB

.reloc
Size: 6KB - Virtual size: 5KB