putty[.]exe | Triage

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General

Target

putty.exe
Size

662KB
MD5

2249efa46c11e1a5d10d5ed24ee31777
SHA1

6a8a30f5d5e79517809720db02b462cffc52a2e2
SHA256

d318b34665f26bfccf398074bee3bda1a2303b984a1bacf2613a920fd0a2dc1b
SHA512

58c7f01e979c52135624a1422920d63f48a8577183f9cbcc1283a37863c0df2120bc71df465f577e101ce3a7b0abbf4f1858f6a00bea2418609337e006e458b9
SSDEEP

12288:ZeG7RnO5KmH/jW88SiI6Fi2JYER1afd87NnXjVKr6CTj222222enl:ZeG7RnO5L/D76FYER1afQNXjVKr6yj2p

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
putty.exe

Files

putty.exe
.exe windows x86

c2ca78abc705fc55f1bfbbdcafa16fe3

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Imports

advapi32

CopySid
GetLengthSid
GetUserNameA
RegCloseKey
RegDeleteKeyA
RegDeleteValueA
RegEnumKeyA
RegOpenKeyA
RegQueryValueExA
RegSetValueExA

comctl32

DrawInsert
InitCommonControls
LBItemFromPt
MakeDragList

comdlg32

ChooseColorA
ChooseFontA
GetOpenFileNameA
GetSaveFileNameA

gdi32

CreateBitmap
CreateCompatibleBitmap
CreateCompatibleDC
CreateFontA
CreateFontIndirectA
CreatePalette
CreatePen
CreateSolidBrush
DeleteDC
DeleteObject
ExcludeClipRect
ExtTextOutA
ExtTextOutW
GetBkMode
GetCharABCWidthsFloatA
GetCharWidth32A
GetCharWidth32W
GetCharWidthA
GetCharWidthW
GetCharacterPlacementW
GetDeviceCaps
GetObjectA
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

kernel32

AllocConsole
Beep
ClearCommBreak
CloseHandle
CreateDirectoryA
CreateEventA
CreateFileA
CreateFileMappingA
CreatePipe
CreateProcessA
CreateThread
DeleteCriticalSection
DeleteFileA
EnterCriticalSection
ExitProcess
ExpandEnvironmentStringsA
FindClose
FindFirstFileA
FindNextFileA
FormatMessageA
FreeLibrary
GetACP
GetCPInfo
GetCommState
GetCommandLineA
GetCurrentDirectoryA
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetEnvironmentVariableA
GetFileSize
GetLastError
GetLocalTime
GetLocaleInfoA
GetModuleFileNameA
GetModuleHandleA
GetOEMCP
GetOverlappedResult
GetProcAddress
GetProcessTimes
GetStartupInfoA
GetStdHandle
GetSystemDirectoryA
GetSystemTime
GetSystemTimeAdjustment
GetThreadTimes
GetTickCount
GetVersionExA
GetWindowsDirectoryA
GlobalAlloc
GlobalFree
GlobalLock
GlobalMemoryStatus
GlobalUnlock
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryA
LocalAlloc
LocalFree
MapViewOfFile
MulDiv
MultiByteToWideChar
OpenProcess
QueryPerformanceCounter
ReadFile
SetCommBreak
SetCommState
SetCommTimeouts
SetCurrentDirectoryA
SetEvent
SetHandleInformation
SetUnhandledExceptionFilter
TlsGetValue
UnmapViewOfFile
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte
WriteFile

msvcrt

_itoa
_ltoa
_strdup
_stricmp
_stricoll
_strnicmp
__getmainargs
__mb_cur_max
__p__environ
__p__fmode
__set_app_type
_assert
_cexit
_errno
_findclose
_findfirst
_findnext
_fullpath
_iob
_isctype
_onexit
_pctype
_setmode
_time64
_vsnprintf
abort
atexit
atof
atoi
calloc
exit
fclose
fflush
fgetc
fgets
fopen
fprintf
fputc
fputs
fread
free
fwrite
getenv
isspace
malloc
mbstowcs
memchr
memcmp
memcpy
memmove
memset
qsort
realloc
setlocale
signal
sprintf
sscanf
strcat
strchr
strcmp
strcoll
strcpy
strcspn
strftime
strlen
strncmp
strncpy
strrchr
strspn
strtol
strtoul
tolower
toupper
ungetc
vfprintf
wcstombs

ole32

CoCreateInstance
CoInitialize
CoUninitialize

shell32

ShellExecuteA

user32

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

winmm

PlaySoundA

winspool.drv

ClosePrinter
EndDocPrinter
EndPagePrinter
EnumPrintersA
OpenPrinterA
StartDocPrinterA
StartPagePrinter
WritePrinter

Sections

.text
Size: 466KB - Virtual size: 466KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 784B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 106KB - Virtual size: 105KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.eh_fram
Size: 63KB - Virtual size: 63KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 14KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 13KB - Virtual size: 13KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

c2ca78abc705fc55f1bfbbdcafa16fe3

Headers

File Characteristics

Imports

advapi32

comctl32

comdlg32

gdi32

imm32

kernel32

msvcrt

ole32

shell32

user32

winmm

winspool.drv

Sections

.text Size: 466KB - Virtual size: 466KB

.data Size: 1024B - Virtual size: 784B

.rdata Size: 106KB - Virtual size: 105KB

.eh_fram Size: 63KB - Virtual size: 63KB

.bss Size: - Virtual size: 14KB

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

.CRT Size: 512B - Virtual size: 24B

.tls Size: 512B - Virtual size: 32B

.rsrc Size: 13KB - Virtual size: 13KB

.text
Size: 466KB - Virtual size: 466KB

.data
Size: 1024B - Virtual size: 784B

.rdata
Size: 106KB - Virtual size: 105KB

.eh_fram
Size: 63KB - Virtual size: 63KB

.bss
Size: - Virtual size: 14KB

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

.CRT
Size: 512B - Virtual size: 24B

.tls
Size: 512B - Virtual size: 32B

.rsrc
Size: 13KB - Virtual size: 13KB