Polymorphic[.]exe

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General

Target

Polymorphic.exe
Size

510KB
MD5

e08b956c09c2a2553eed7c87ec076be3
SHA1

09e2450bdd0e89cb1481d8b0afbcff65a9fa9eb7
SHA256

14b90d6552b06d0398b6349214699cbbb109cc6ecbd417d563ac089d7aebacb3
SHA512

731dd82c79c066bf39380fc683800d2de018f8b6b9824cba56f9cc31b72147ef38d14efcc98b492c76a6602c4798ae1695e01f5a5509f7e93a188e28ecb80aef
SSDEEP

12288:KbX2MBU8Kvac2L9Go0Bsvs7CMuA6EeIUv1KXACT:F0nz0CvsmhPI

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Polymorphic.exe

Files

Polymorphic.exe
.exe windows:6 windows x64 arch:x64

ef99f4c2d8ef936f7f9c6d6f69fa27b2

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

PDB Paths

Polymorphic.pdb

Imports

api-ms-win-core-synch-l1-2-0

WaitOnAddress
WakeByAddressAll
WakeByAddressSingle

bcrypt

BCryptGenRandom

advapi32

SystemFunction036

kernel32

UnhandledExceptionFilter
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
IsDebuggerPresent
SetUnhandledExceptionFilter
WriteConsoleW
VirtualProtect
VirtualAlloc
EnumSystemGeoID
GetLastError
CloseHandle
AddVectoredExceptionHandler
SetThreadStackGuarantee
GetCurrentThread
CreateWaitableTimerExW
SetWaitableTimer
WaitForSingleObject
Sleep
QueryPerformanceCounter
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
SetLastError
GetCurrentDirectoryW
GetEnvironmentVariableW
GetCurrentProcess
GetStdHandle
GetCurrentProcessId
HeapFree
HeapReAlloc
lstrlenW
ReleaseMutex
GetProcessHeap
HeapAlloc
GetConsoleMode
GetModuleHandleW
FormatMessageW
MultiByteToWideChar
IsProcessorFeaturePresent
WideCharToMultiByte
GetModuleHandleA
GetProcAddress
WaitForSingleObjectEx
LoadLibraryA
CreateMutexA

ntdll

NtWriteFile
RtlNtStatusToDosError

vcruntime140

__current_exception_context
__current_exception
__C_specific_handler
_CxxThrowException
memcmp
memmove
memcpy
memset
__CxxFrameHandler3

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

_initialize_onexit_table
_crt_atexit
terminate
_register_onexit_function
_register_thread_local_exe_atexit_callback
_cexit
__p___argv
__p___argc
_exit
exit
_initterm_e
_initterm
_get_initial_narrow_environment
_initialize_narrow_environment
_configure_narrow_argv
_set_app_type
_seh_filter_exe
_c_exit

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

__setusermatherr

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

__p__commode
_set_fmode

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

_configthreadlocale

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

_set_new_mode
free

Sections

.text
Size: 328KB - Virtual size: 327KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 166KB - Virtual size: 166KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 832B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

ef99f4c2d8ef936f7f9c6d6f69fa27b2

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

api-ms-win-core-synch-l1-2-0

bcrypt

advapi32

kernel32

ntdll

vcruntime140

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

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

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

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

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

Sections

.text Size: 328KB - Virtual size: 327KB

.rdata Size: 166KB - Virtual size: 166KB

.data Size: 512B - Virtual size: 832B

.pdata Size: 13KB - Virtual size: 12KB

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

.text
Size: 328KB - Virtual size: 327KB

.rdata
Size: 166KB - Virtual size: 166KB

.data
Size: 512B - Virtual size: 832B

.pdata
Size: 13KB - Virtual size: 12KB

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