Static task
static1
Behavioral task
behavioral1
Sample
putty_v4.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
putty_v4.exe
Resource
win10v2004-20231020-en
General
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Target
putty_v4.exe
-
Size
1.4MB
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MD5
bf84c277f02474f6191f861ef7b29757
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SHA1
c3afec5947ec3dfa5f5e5bfb593d315ac0dd9315
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SHA256
207ae6c439d45ec4e2d0a2d200202491208d9a744b902611c291bdaa0ff7150b
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SHA512
3acba3037741f53c741f2e589e054965f95d68ed31725b575afad81792c9ca67e705eb92bf08f60f1f152a5623e3d3428fb3b730bc0d300f83c6392daa2d3c8f
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SSDEEP
24576:qNbP9SNg9nmKu2HhIYjAY6RTVSTPkSnexozZTQAnTWjYIZTbRFPUN0gLuweI:8TRnU4/FQAqFxfPka
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource putty_v4.exe
Files
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putty_v4.exe.exe windows:5 windows x86
1bcee876dfae5e68c3451c29f9217c72
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
BitBlt
CreateBitmap
CreateCompatibleBitmap
CreateCompatibleDC
CreateFontA
CreateFontIndirectA
CreatePalette
CreatePen
CreateSolidBrush
DeleteDC
DeleteObject
ExcludeClipRect
ExtTextOutA
ExtTextOutW
GetBkMode
GetCharABCWidthsFloatA
GetCharWidth32A
GetCharWidth32W
GetCharWidthA
GetCharWidthW
GetCharacterPlacementW
GetCurrentObject
GetDIBits
GetDeviceCaps
GetObjectA
GetOutlineTextMetricsA
GetPixel
GetStockObject
GetTextExtentExPointA
GetTextExtentPoint32A
GetTextMetricsA
IntersectClipRect
LineTo
MoveToEx
Polyline
RealizePalette
Rectangle
SelectObject
SelectPalette
SetBkColor
SetBkMode
SetMapMode
SetPaletteEntries
SetPixel
SetTextAlign
SetTextColor
TextOutA
TranslateCharsetInfo
UnrealizeObject
UpdateColors
imm32
ImmGetCompositionStringW
ImmGetContext
ImmReleaseContext
ImmSetCompositionFontA
ImmSetCompositionWindow
ole32
CoCreateInstance
CoInitialize
CoUninitialize
user32
AppendMenuA
BeginPaint
CheckDlgButton
CheckMenuItem
CheckRadioButton
CloseClipboard
CreateCaret
CreateDialogParamA
CreateMenu
CreatePopupMenu
CreateWindowExA
CreateWindowExW
DefDlgProcA
DefWindowProcA
DefWindowProcW
DeleteMenu
DestroyCaret
DestroyIcon
DestroyWindow
DialogBoxParamA
DispatchMessageA
DispatchMessageW
DrawEdge
DrawIconEx
EmptyClipboard
EnableMenuItem
EnableWindow
EndDialog
EndPaint
FindWindowA
FlashWindow
GetCapture
GetCaretBlinkTime
GetClientRect
GetClipboardData
GetClipboardOwner
GetCursorPos
GetDC
GetDesktopWindow
GetDlgItem
GetDlgItemTextA
GetDoubleClickTime
GetForegroundWindow
GetKeyboardLayout
GetKeyboardState
GetMessageA
GetMessageTime
GetParent
GetQueueStatus
GetScrollInfo
GetSysColor
GetSysColorBrush
GetSystemMenu
GetSystemMetrics
GetWindowLongA
GetWindowPlacement
GetWindowRect
GetWindowTextA
GetWindowTextLengthA
HideCaret
InsertMenuA
InvalidateRect
IsDialogMessageA
IsDlgButtonChecked
IsIconic
IsWindow
IsZoomed
KillTimer
LoadCursorA
LoadIconA
LoadImageA
MapDialogRect
MessageBeep
MessageBoxA
MessageBoxIndirectA
MoveWindow
MsgWaitForMultipleObjects
OffsetRect
OpenClipboard
PeekMessageA
PeekMessageW
PostMessageA
PostQuitMessage
RegisterClassA
RegisterClassW
RegisterClipboardFormatA
RegisterWindowMessageA
ReleaseCapture
ReleaseDC
ScreenToClient
SendDlgItemMessageA
SendMessageA
SetActiveWindow
SetCapture
SetCaretPos
SetClassLongA
SetClipboardData
SetCursor
SetDlgItemTextA
SetFocus
SetForegroundWindow
SetKeyboardState
SetScrollInfo
SetTimer
SetWindowLongA
SetWindowPlacement
SetWindowPos
SetWindowTextA
SetWindowTextW
ShowCaret
ShowCursor
ShowWindow
SystemParametersInfoA
ToAsciiEx
TrackPopupMenu
TranslateMessage
UpdateWindow
kernel32
Beep
ClearCommBreak
CloseHandle
CompareStringW
ConnectNamedPipe
CreateEventA
CreateFileA
CreateFileMappingA
CreateFileW
CreateMutexA
CreateNamedPipeA
CreatePipe
CreateProcessA
CreateThread
DecodePointer
DeleteCriticalSection
DeleteFileA
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileA
FindFirstFileExW
FindNextFileA
FindNextFileW
FindResourceA
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommState
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryA
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetEnvironmentStringsW
GetEnvironmentVariableA
GetFileSizeEx
GetFileType
GetLastError
GetLocalTime
GetLocaleInfoA
GetLocaleInfoW
GetModuleFileNameA
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetOverlappedResult
GetProcAddress
GetProcessHeap
GetProcessTimes
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryA
GetSystemTimeAsFileTime
GetTempPathA
GetThreadTimes
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetWindowsDirectoryA
GlobalAlloc
GlobalFree
GlobalLock
GlobalMemoryStatus
GlobalUnlock
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeSListHead
IsDBCSLeadByteEx
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExA
LoadLibraryExW
LoadResource
LocalAlloc
LocalFileTimeToFileTime
LocalFree
LockResource
MapViewOfFile
MulDiv
MultiByteToWideChar
OpenProcess
OutputDebugStringW
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ReleaseMutex
RtlUnwind
SetCommBreak
SetCommState
SetCommTimeouts
SetCurrentDirectoryA
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetHandleInformation
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SizeofResource
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
UnmapViewOfFile
WaitForSingleObject
WaitNamedPipeA
WideCharToMultiByte
WriteConsoleW
WriteFile
shell32
ShellExecuteA
comdlg32
ChooseColorA
ChooseFontA
GetOpenFileNameA
GetSaveFileNameA
advapi32
AllocateAndInitializeSid
CopySid
EqualSid
GetLengthSid
GetUserNameA
InitializeSecurityDescriptor
RegCloseKey
RegCreateKeyExA
RegDeleteKeyA
RegEnumKeyA
RegOpenKeyA
RegOpenKeyExA
RegQueryValueExA
RegSetValueExA
SetSecurityDescriptorDacl
SetSecurityDescriptorOwner
Sections
.text Size: 790KB - Virtual size: 790KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 227KB - Virtual size: 226KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.00cfg Size: 512B - Virtual size: 8B
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
.voltbl Size: 512B - Virtual size: 146B
.rsrc Size: 363KB - Virtual size: 362KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 46KB - Virtual size: 46KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ