Polymorphic[.]exe

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General

Target

Polymorphic.exe
Size

371KB
MD5

b9a188877e15f21fa5e785d0efc49624
SHA1

fdd6cf4d56f6e858d8e89e96b23ee97699cf02aa
SHA256

bd78dd8bcae9a42c15991db0333c462eb079b3970e072d32cae6ce6696ccd177
SHA512

a6ec749034b76bd399a388c078180a9066d52a9c35c1fbda511eedfdb76229946e433a4bbd3ff63a10f4117e2cb497e2a8d4adefbbd1927a70b20e597862e7af
SSDEEP

6144:y9btOt3wCkOsZoIPDZZ1DtkcvycVOXOOOUO4nxRbYuIpJpFl:y9btHlZ571J5KcVSPlLLbgNT

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

cd1add9b76e354810e404d2d8c5e7ef4

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

bcryptprimitives

ProcessPrng

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

WakeByAddressAll
WaitOnAddress
WakeByAddressSingle

kernel32

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

ws2_32

freeaddrinfo
WSAGetLastError
recv
getpeername
WSASocketW
getaddrinfo
connect
WSAStartup
WSACleanup
getsockname
closesocket
setsockopt
send

secur32

AcceptSecurityContext
DecryptMessage
DeleteSecurityContext
FreeCredentialsHandle
InitializeSecurityContextW
FreeContextBuffer
AcquireCredentialsHandleA
QueryContextAttributesW
EncryptMessage

crypt32

CertGetCertificateChain
CertVerifyCertificateChainPolicy
CertFreeCertificateContext
CertDuplicateCertificateContext
CertDuplicateStore
CertCloseStore
CertOpenStore
CertAddCertificateContextToStore
CertEnumCertificatesInStore
CertDuplicateCertificateChain
CertFreeCertificateChain

advapi32

SystemFunction036

psapi

GetModuleFileNameExW
EnumProcessModulesEx
GetModuleBaseNameW

bcrypt

BCryptGenRandom

ntdll

NtReadFile
RtlNtStatusToDosError
NtWriteFile

vcruntime140

memcmp
__current_exception_context
__current_exception
__C_specific_handler
_CxxThrowException
memcpy
__CxxFrameHandler3
memmove
memset

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

strlen

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

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

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

free
_set_new_mode

Sections

.text
Size: 264KB - Virtual size: 263KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 91KB - Virtual size: 90KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 912B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

cd1add9b76e354810e404d2d8c5e7ef4

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

bcryptprimitives

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

kernel32

ws2_32

secur32

crypt32

advapi32

psapi

bcrypt

ntdll

vcruntime140

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

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: 264KB - Virtual size: 263KB

.rdata Size: 91KB - Virtual size: 90KB

.data Size: 512B - Virtual size: 912B

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

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

.text
Size: 264KB - Virtual size: 263KB

.rdata
Size: 91KB - Virtual size: 90KB

.data
Size: 512B - Virtual size: 912B

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

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