putty[.]zip | Triage

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General

Target

putty.zip
Size

718KB
MD5

35d5cf76994e5bec74e6e9ad642c1f9c
SHA1

feac407b51c4902982b8058f976f62a57882f1ad
SHA256

fc0bb31d2c5c0b10623e469323a6e79c506a57880daadf06ea0dc0824d04a40f
SHA512

e71cde70fa5ad7c7b4a9e36ddbfddb0920192cb6ec0a4c34b93d5660639d017d84b64635093b7c80dbb2e52be2f7add00bbdc3422aeb1d0f584dd6fa4d299947
SSDEEP

12288:ysWMrmPnMtxVPv0iyrdgR/SfACMCRBN3Bz+oZnwyp+77A2uZQkC2oJ4:w1nkZ0jdgRafxpHN3BzaV7MZ1ft

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/putty.exe

Files

putty.zip
.zip
putty.exe
.exe windows:6 windows x64 arch:x64

913f8807014063dd61b9102a9561e0d1

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
FindWindowA
IsIconic
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
LocalAlloc
GetCurrentThreadId
CreateNamedPipeA
ConnectNamedPipe
WaitNamedPipeA
GlobalMemoryStatus
GetWindowsDirectoryA
GetThreadTimes
GetCurrentThread
GetCurrentProcess
GetProcessTimes
QueryPerformanceCounter
FindNextFileA
RtlUnwind
FindFirstFileA
FindClose
SetHandleInformation
GetConsoleMode
FormatMessageA
GetSystemDirectoryA
GetFileAttributesExA
FindResourceA
SizeofResource
LockResource
LoadResource
GetCurrentProcessId
GetTempPathA
DeleteFileA
CreateFileA
CreateEventA
WaitForSingleObject
GetTickCount
ExitProcess
LocalFree
HeapAlloc
HeapFree
GetProcessHeap
FreeLibrary
GetProcAddress
LoadLibraryA
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
GetOverlappedResult
SetEvent

Sections

.text
Size: 698KB - Virtual size: 697KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 204KB - 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: 33KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 500B

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

913f8807014063dd61b9102a9561e0d1

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

comdlg32

gdi32

imm32

ole32

shell32

user32

kernel32

Sections

.text Size: 698KB - Virtual size: 697KB

.rdata Size: 204KB - Virtual size: 203KB

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

.pdata Size: 34KB - Virtual size: 33KB

_RDATA Size: 512B - Virtual size: 500B

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

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

.text
Size: 698KB - Virtual size: 697KB

.rdata
Size: 204KB - Virtual size: 203KB

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

.pdata
Size: 34KB - Virtual size: 33KB

_RDATA
Size: 512B - Virtual size: 500B

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

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