PuTTy[.]exe | Triage

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General

Target

PuTTy.exe
Size

12.6MB
MD5

c2e889c352adbd1db521a6d67f6dbfdc
SHA1

9916a06a4bbc5c8e79bdac5343bc99785e8f12c5
SHA256

b226aab0b48ec991e32750e78a26d857d8e92acb1f7287ada19348663b6403fd
SHA512

4d38ca96c7bba19926ff7ab2b2d20cec106fda84ae2422c78fa4cadb495e92d68f15cdd7b5567bb94e3582566298466bf149314381fa07337d3be0c00491570d
SSDEEP

98304:YPkT/ubKWHWs28oIFx84EnzKYHkUvopblhXWdIBJPK+FJfivYFfb14y:Mm/ubFHWs28o9xnW5B7fX

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

8c893e679774af99b3a5f251a00677ac

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_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

AddAtomA
AddVectoredExceptionHandler
CloseHandle
CreateEventA
CreateFileA
CreateIoCompletionPort
CreateMutexA
CreateProcessA
CreateSemaphoreA
CreateThread
CreateWaitableTimerExW
DeleteAtom
DeleteCriticalSection
DuplicateHandle
EnterCriticalSection
ExitProcess
FindAtomA
FormatMessageA
FreeEnvironmentStringsW
GetAtomNameA
GetConsoleMode
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetEnvironmentStringsW
GetErrorMode
GetHandleInformation
GetLastError
GetProcAddress
GetProcessAffinityMask
GetQueuedCompletionStatusEx
GetStartupInfoA
GetStdHandle
GetSystemDirectoryA
GetSystemInfo
GetSystemTimeAsFileTime
GetThreadContext
GetThreadPriority
GetTickCount
InitializeCriticalSection
IsDBCSLeadByteEx
IsDebuggerPresent
LeaveCriticalSection
LoadLibraryExW
LoadLibraryW
LocalFree
MultiByteToWideChar
OpenProcess
OutputDebugStringA
PostQueuedCompletionStatus
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
RaiseFailFastException
ReleaseMutex
ReleaseSemaphore
RemoveVectoredExceptionHandler
ResetEvent
ResumeThread
SetConsoleCtrlHandler
SetErrorMode
SetEvent
SetLastError
SetProcessAffinityMask
SetProcessPriorityBoost
SetThreadContext
SetThreadPriority
SetUnhandledExceptionFilter
SetWaitableTimer
Sleep
SuspendThread
SwitchToThread
TlsAlloc
TlsGetValue
TlsSetValue
TryEnterCriticalSection
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WerGetFlags
WerSetFlags
WideCharToMultiByte
WriteConsoleW
WriteFile
__C_specific_handler

msvcrt

___lc_codepage_func
___mb_cur_max_func
__getmainargs
__initenv
__iob_func
__lconv_init
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_beginthread
_beginthreadex
_cexit
_commode
_endthreadex
_errno
_fmode
_initterm
_lock
_memccpy
_onexit
_setjmp
_strdup
_ultoa
_unlock
abort
calloc
exit
fprintf
fputc
free
fwrite
localeconv
longjmp
malloc
memcpy
memmove
memset
printf
realloc
signal
strerror
strlen
strncmp
vfprintf
wcslen

Exports

Exports

_cgo_dummy_export

Sections

.text
Size: 2.4MB - Virtual size: 2.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 201KB - Virtual size: 200KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 2.5MB - Virtual size: 2.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 59KB - Virtual size: 58KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 371KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 78B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 112B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 45KB - Virtual size: 45KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/4
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 1.9MB - Virtual size: 1.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/31
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/45
Size: 839KB - Virtual size: 838KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/57
Size: 291KB - Virtual size: 291KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/70
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/81
Size: 3.1MB - Virtual size: 3.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/92
Size: 870KB - Virtual size: 869KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/106
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8c893e679774af99b3a5f251a00677ac

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

Exports

Exports

Sections

.text Size: 2.4MB - Virtual size: 2.4MB

.data Size: 201KB - Virtual size: 200KB

.rdata Size: 2.5MB - Virtual size: 2.5MB

.pdata Size: 59KB - Virtual size: 58KB

.xdata Size: 3KB - Virtual size: 3KB

.bss Size: - Virtual size: 371KB

.edata Size: 512B - Virtual size: 78B

.idata Size: 5KB - Virtual size: 4KB

.CRT Size: 512B - Virtual size: 112B

.tls Size: 512B - Virtual size: 16B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 45KB - Virtual size: 45KB

/4 Size: 2KB - Virtual size: 2KB

/19 Size: 1.9MB - Virtual size: 1.9MB

/31 Size: 16KB - Virtual size: 15KB

/45 Size: 839KB - Virtual size: 838KB

/57 Size: 291KB - Virtual size: 291KB

/70 Size: 3KB - Virtual size: 2KB

/81 Size: 3.1MB - Virtual size: 3.1MB

/92 Size: 870KB - Virtual size: 869KB

/106 Size: 512B - Virtual size: 48B

.text
Size: 2.4MB - Virtual size: 2.4MB

.data
Size: 201KB - Virtual size: 200KB

.rdata
Size: 2.5MB - Virtual size: 2.5MB

.pdata
Size: 59KB - Virtual size: 58KB

.xdata
Size: 3KB - Virtual size: 3KB

.bss
Size: - Virtual size: 371KB

.edata
Size: 512B - Virtual size: 78B

.idata
Size: 5KB - Virtual size: 4KB

.CRT
Size: 512B - Virtual size: 112B

.tls
Size: 512B - Virtual size: 16B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 45KB - Virtual size: 45KB

/4
Size: 2KB - Virtual size: 2KB

/19
Size: 1.9MB - Virtual size: 1.9MB

/31
Size: 16KB - Virtual size: 15KB

/45
Size: 839KB - Virtual size: 838KB

/57
Size: 291KB - Virtual size: 291KB

/70
Size: 3KB - Virtual size: 2KB

/81
Size: 3.1MB - Virtual size: 3.1MB

/92
Size: 870KB - Virtual size: 869KB

/106
Size: 512B - Virtual size: 48B