Polymorphic[.]exe

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General

Target

Polymorphic.exe
Size

510KB
MD5

3ee5089e842ba0d2bb5890d578355439
SHA1

80ccf874182eba3aaf19b8d1b57ecb98e37f97f2
SHA256

463b26fcdcf9b305884da14532e522016cfff8ee2efe6f787912cefb97a1b69f
SHA512

a5f1d7a8296fe5e78bc311a5f1550ad5e5c4ca292bb338805938831d96b54008d4eef4383a5834e0bca74da4dd02f15b574cc0394c17d5f985d5327ecab07011
SSDEEP

12288:6bX2MBU8Kvac2L9Go0Bsvs7CMuA6EeIUv1KXACT:10nz0CvsmhPI

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