pngtool[.]exe | Triage

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General

Target

pngtool.exe
Size

9.8MB
MD5

76405833c37ea7b0dba93aa03ce3bb13
SHA1

31c7cebdc40b244a23a00d2907af349ffaaba316
SHA256

f3f5f25a09a045608b0741dfb1549f3a9856aae7fe2b7ce0a7bcb375c1ee10a0
SHA512

2ea3f43bc0290041ed8a22889d2c808fbd891ce0bd714018558cb8d31e3b046d0a0c4f6510c9235ffa72270292cda04f95ccb07cdd16c38e21ae5734fa94ace6
SSDEEP

196608:RS7w5LFnPU1DnYPoHwiJU4I6viuDXm2bXqR298TLM+DdG6FHa:RS7wddYQEUZ6agyaKo+J96

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
pngtool.exe

Files

pngtool.exe
.exe windows x64

b588036b5202b7426cd84298c3decc62

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

user32

MessageBoxA

shell32

SHGetSpecialFolderPathW

kernel32

GetProcAddress
IsDebuggerPresent
InitializeSListHead
LocalFree
FormatMessageA
SizeofResource
GetModuleFileNameW
FindResourceA
GetLastError
LoadLibraryA
LockResource
LoadResource
FreeLibrary
LoadLibraryExW
VirtualProtect
HeapFree
SetLastError
VirtualFree
VirtualAlloc
GetNativeSystemInfo
HeapAlloc
GetCurrentThreadId
GetProcessHeap
IsBadReadPtr
GetModuleHandleExW
GetModuleHandleA
SetDllDirectoryA
SetDllDirectoryW
OutputDebugStringA
GetModuleHandleW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime

vcruntime140

wcsrchr
__C_specific_handler
__current_exception
__current_exception_context
memset
memcpy

api-ms-win-crt-stdio-l1-1-0

__acrt_iob_func
_set_fmode
setvbuf
__stdio_common_vswprintf
_fileno
_setmode
__p__commode
__stdio_common_vfprintf

api-ms-win-crt-string-l1-1-0

strncpy
_strdup
_stricmp
wcsncmp

api-ms-win-crt-convert-l1-1-0

atoi

api-ms-win-crt-environment-l1-1-0

getenv

api-ms-win-crt-heap-l1-1-0

_set_new_mode
free
malloc
realloc

api-ms-win-crt-utility-l1-1-0

bsearch
qsort

api-ms-win-crt-runtime-l1-1-0

_initialize_onexit_table
terminate
_seh_filter_exe
_set_app_type
_crt_atexit
_register_onexit_function
_configure_wide_argv
_initialize_wide_environment
_get_initial_wide_environment
_initterm
_initterm_e
_exit
__p___argc
__p___wargv
_cexit
_c_exit
_register_thread_local_exe_atexit_callback
exit

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

Exports

Exports

PyArg_ParseTuple
PyBool_FromLong
PyBytes_AsString
PyCMethod_New
PyConfig_Clear
PyConfig_InitIsolatedConfig
PyConfig_SetArgv
PyConfig_SetString
PyErr_Clear
PyErr_Occurred
PyErr_Print
PyErr_SetImportError
PyErr_SetObject
PyErr_SetString
PyEval_EvalCode
PyExc_ImportError
PyExc_RuntimeError
PyExc_SystemError
PyGILState_Ensure
PyGILState_Release
PyImport_AddModule
PyImport_AppendInittab
PyImport_GetModuleDict
PyImport_ImportModule
PyImport_ReloadModule
PyLong_FromLong
PyLong_FromVoidPtr
PyMapping_HasKeyString
PyModuleDef_Init
PyModule_Create2
PyModule_ExecDef
PyModule_FromDefAndSpec2
PyModule_GetDef
PyModule_GetDict
PyModule_GetState
PyModule_New
PyObject_CallObject
PyObject_SetAttrString
PyRun_InteractiveLoopFlags
PyRun_SimpleStringFlags
PySequence_GetItem
PySequence_Size
PyStatus_Exception
PyStatus_IsExit
PySys_SetArgvEx
PySys_SetObject
PyTuple_New
PyTuple_SetItem
PyType_IsSubtype
PyUnicode_FromFormat
PyUnicode_FromString
PyUnicode_FromWideChar
PyWideStringList_Append
Py_ExitStatusException
Py_FdIsInteractive
Py_Finalize
Py_GetPath
Py_Initialize
Py_InitializeFromConfig
Py_IsInitialized
Py_SetPath
Py_SetProgramName
_PyImport_FindExtensionObject
_PyImport_FixupExtensionObject
_Py_Dealloc

Sections

.text
Size: 20KB - Virtual size: 19KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 11KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 4.3MB - Virtual size: 4.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 92B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b588036b5202b7426cd84298c3decc62

Headers

DLL Characteristics

File Characteristics

Imports

user32

shell32

kernel32

vcruntime140

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-environment-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-utility-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-locale-l1-1-0

Exports

Exports

Sections

.text Size: 20KB - Virtual size: 19KB

.rdata Size: 11KB - Virtual size: 11KB

.data Size: 512B - Virtual size: 6KB

.pdata Size: 2KB - Virtual size: 1KB

.rsrc Size: 4.3MB - Virtual size: 4.3MB

.reloc Size: 512B - Virtual size: 92B

.text
Size: 20KB - Virtual size: 19KB

.rdata
Size: 11KB - Virtual size: 11KB

.data
Size: 512B - Virtual size: 6KB

.pdata
Size: 2KB - Virtual size: 1KB

.rsrc
Size: 4.3MB - Virtual size: 4.3MB

.reloc
Size: 512B - Virtual size: 92B