Static task
static1
Behavioral task
behavioral1
Sample
putty.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
putty.exe
Resource
win10v2004-20231023-en
General
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Target
putty.exe
-
Size
512KB
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MD5
33c9d1e56152e212367e9c5b01671e45
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SHA1
9ded3ce2ae09c37ca173bbd3dcb57258b72cdbd5
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SHA256
b10922648f6ad71f3f20b9acdfacf9aeff706cad6c52737cdc426307ccfa51d9
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SHA512
bf2b75347abcf9db4af9f28a0900d7de46c3cbad414a2c8a6e9f23094baefe9a2904b5128c3e00e560b23ef7f4b33fa4beefc9eef50d4ec6956182edb1d3e8c0
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SSDEEP
12288:ApoNd4D7aVwSn8nW+nGQZZcLYX4RXwWLJQ6LU:UoNde7aVT8WvQ3O+4NzLu6w
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource putty.exe
Files
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putty.exe.exe windows:4 windows x86
dae4485dd029c5e0256f477eda4797a4
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
Imports
advapi32
RegCloseKey
RegQueryValueExA
RegOpenKeyA
GetUserNameA
EqualSid
CopySid
GetLengthSid
SetSecurityDescriptorDacl
SetSecurityDescriptorOwner
InitializeSecurityDescriptor
AllocateAndInitializeSid
RegCreateKeyA
RegSetValueExA
RegDeleteKeyA
RegEnumKeyA
RegDeleteValueA
RegCreateKeyExA
comctl32
ord14
ord15
ord17
ord13
comdlg32
ChooseColorA
ChooseFontA
GetOpenFileNameA
GetSaveFileNameA
gdi32
CreateBitmap
IntersectClipRect
ExcludeClipRect
UpdateColors
DeleteDC
GetTextExtentPoint32A
CreateCompatibleDC
DeleteObject
TextOutA
SetBkColor
SetTextColor
Rectangle
CreateSolidBrush
GetStockObject
SelectObject
CreateFontIndirectA
GetTextExtentExPointA
SetMapMode
GetDeviceCaps
GetTextMetricsA
CreateFontA
RealizePalette
SelectPalette
CreatePalette
ExtTextOutA
GetCharacterPlacementW
SetBkMode
GetBkMode
ExtTextOutW
GetCharABCWidthsFloatA
GetPixel
SetTextAlign
CreateCompatibleBitmap
TranslateCharsetInfo
GetObjectA
LineTo
MoveToEx
CreatePen
SetPixel
Polyline
GetCharWidthW
GetCharWidth32W
GetCharWidthA
GetCharWidth32A
SetPaletteEntries
UnrealizeObject
imm32
ImmReleaseContext
ImmGetCompositionStringW
ImmSetCompositionFontA
ImmGetContext
ImmSetCompositionWindow
ole32
CoUninitialize
CoInitialize
CoCreateInstance
shell32
ShellExecuteA
user32
GetSystemMenu
GetDoubleClickTime
CreateWindowExW
RegisterClassW
CreateMenu
GetQueueStatus
GetClipboardOwner
FindWindowA
MessageBoxIndirectA
WinHelpA
SetForegroundWindow
DefWindowProcA
InvalidateRect
SetWindowPos
EndPaint
GetWindowTextA
GetWindowTextLengthA
GetClientRect
BeginPaint
SetWindowTextA
GetForegroundWindow
UpdateWindow
PeekMessageA
MsgWaitForMultipleObjects
PeekMessageW
IsWindow
DispatchMessageW
CreateCaret
ShowCaret
HideCaret
DestroyCaret
TranslateMessage
EnableMenuItem
GetCursorPos
TrackPopupMenu
GetScrollInfo
DefWindowProcW
ScreenToClient
GetKeyboardLayout
SetKeyboardState
ToAsciiEx
SetScrollInfo
GetMessageTime
PostMessageA
CheckMenuItem
IsZoomed
FlashWindow
RegisterClipboardFormatA
OpenClipboard
EmptyClipboard
SetClipboardData
CloseClipboard
SetCaretPos
KillTimer
SetTimer
GetKeyboardState
SetClassLongA
SetCursor
ShowCursor
CreatePopupMenu
InsertMenuA
DeleteMenu
AppendMenuA
IsIconic
GetSystemMetrics
GetCapture
ReleaseCapture
LoadIconA
GetDesktopWindow
MoveWindow
DefDlgProcA
LoadCursorA
CreateDialogParamA
GetMessageA
GetWindowLongA
IsDialogMessageA
DispatchMessageA
PostQuitMessage
EnableWindow
DialogBoxParamA
EndDialog
GetParent
SetActiveWindow
GetWindowPlacement
SetWindowPlacement
RegisterWindowMessageA
DrawEdge
GetDlgItemTextA
SetCapture
MessageBoxA
SetFocus
GetDlgItem
SetDlgItemTextA
CheckDlgButton
IsDlgButtonChecked
CheckRadioButton
SetWindowLongA
MessageBeep
SendDlgItemMessageA
GetDC
ReleaseDC
SendMessageA
MapDialogRect
GetCaretBlinkTime
DestroyWindow
RegisterClassA
GetSysColor
SystemParametersInfoA
GetWindowRect
CreateWindowExA
ShowWindow
GetClipboardData
winmm
PlaySoundA
winspool.drv
OpenPrinterA
StartDocPrinterA
StartPagePrinter
EndDocPrinter
ClosePrinter
EnumPrintersA
WritePrinter
EndPagePrinter
kernel32
SetEnvironmentVariableA
CompareStringW
CompareStringA
HeapSize
SetEndOfFile
InterlockedExchange
RtlUnwind
SetFilePointer
SetStdHandle
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetEnvironmentStrings
FreeEnvironmentStringsA
UnhandledExceptionFilter
VirtualFree
HeapCreate
HeapDestroy
GetFileType
GetStdHandle
SetHandleCount
LCMapStringW
LCMapStringA
VirtualQuery
GetSystemInfo
VirtualAlloc
VirtualProtect
GetTimeZoneInformation
FlushFileBuffers
GetStringTypeW
GetStringTypeA
GetCommandLineA
GetStartupInfoA
GetSystemTimeAsFileTime
TerminateProcess
ExitProcess
HeapFree
HeapReAlloc
HeapAlloc
GetDateFormatA
GetTimeFormatA
GetCurrentDirectoryA
SetCurrentDirectoryA
GetACP
GetLocalTime
GetEnvironmentVariableA
DeleteFileA
CreateMutexA
ReleaseMutex
SetCommBreak
GetCommState
SetCommState
SetCommTimeouts
ClearCommBreak
OpenProcess
CreatePipe
SetHandleInformation
GetCurrentThreadId
LocalAlloc
ConnectNamedPipe
CreateNamedPipeA
CreateFileA
WaitNamedPipeA
LocalFree
GetWindowsDirectoryA
FindFirstFileA
FindNextFileA
FindClose
GetCurrentProcessId
QueryPerformanceCounter
GlobalMemoryStatus
GetCurrentThread
GetThreadTimes
GetCurrentProcess
GetProcessTimes
GetSystemTime
GetSystemTimeAdjustment
FormatMessageA
GetSystemDirectoryA
WriteFile
CreateEventA
ReadFile
GetLastError
WaitForSingleObject
GetOverlappedResult
SetEvent
LoadLibraryA
FreeLibrary
CreateFileMappingA
MapViewOfFile
UnmapViewOfFile
GetModuleFileNameA
CreateProcessA
CloseHandle
Beep
CreateThread
WideCharToMultiByte
GlobalAlloc
GlobalLock
GlobalUnlock
GlobalFree
IsDBCSLeadByteEx
MultiByteToWideChar
GetLocaleInfoA
GetOEMCP
GetCPInfo
lstrcpynA
GetModuleHandleA
GetProcAddress
GetVersionExA
MulDiv
GetTickCount
Sections
.text Size: 368KB - Virtual size: 367KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 116KB - Virtual size: 115KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 16KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ