atualizacao[.]old

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General

Target

atualizacao.old
Size

247KB
MD5

593d53281680d6b00473b55252e67b72
SHA1

9cf8706d1aa3866724c99c15c62e7876ac9a9f08
SHA256

20804442b8277ec0a93c135790a6656dcc113086161fba69db22e4deb9d1ef14
SHA512

a1370d1878d63326e6fe04e6e9c51dba0ea85d1997cfe12bb8e40d129b90b8a3a598d381e987613a4bff075baf96a848c688f065a47d1cc616331fe595b750eb
SSDEEP

6144:mVMAGwcChKhnkml3dNEZcNt5aCRTWk7PKk:mV4wQhk8/j59N7j

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
atualizacao.old

Files

atualizacao.old
.exe windows:6 windows x64 arch:x64

9064a4fce2f3427f7eb6cce51638b313

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

BlackStriker.pdb

Imports

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

WakeByAddressSingle
WakeByAddressAll
WaitOnAddress

kernel32

InitializeSListHead
GetCurrentThreadId
GetEnvironmentVariableW
GetCurrentDirectoryW
SetLastError
GetStdHandle
GetCurrentProcessId
RtlVirtualUnwind
RtlLookupFunctionEntry
HeapFree
RtlCaptureContext
HeapReAlloc
ReleaseMutex
GetProcessHeap
FindNextFileW
FindClose
CreateFileW
GetFileInformationByHandleEx
GetSystemTimeAsFileTime
QueryPerformanceCounter
FindFirstFileW
MoveFileExW
SetFilePointerEx
Sleep
WaitForSingleObject
SetWaitableTimer
CreateWaitableTimerExW
GetModuleHandleW
FormatMessageW
GetModuleFileNameW
ExitProcess
MultiByteToWideChar
WriteConsoleW
WideCharToMultiByte
GetFullPathNameW
GetModuleHandleA
GetProcAddress
GetTempPathW
GetCurrentThread
SetThreadStackGuarantee
AddVectoredExceptionHandler
WaitForSingleObjectEx
LoadLibraryA
CreateMutexA
GetLastError
IsDebuggerPresent
UnhandledExceptionFilter
GetCurrentProcess
GetConsoleMode
GetFileInformationByHandle
lstrlenW
SetUnhandledExceptionFilter
CloseHandle
SetFileInformationByHandle
HeapAlloc
IsProcessorFeaturePresent

shell32

SHGetKnownFolderPath

ole32

CoTaskMemFree

bcrypt

BCryptGenRandom

advapi32

SystemFunction036

ntdll

RtlNtStatusToDosError
NtReadFile
NtWriteFile

vcruntime140

_CxxThrowException
memset
__CxxFrameHandler3
memcpy
memcmp
__C_specific_handler
__current_exception_context
__current_exception
memmove

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

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

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: 167KB - Virtual size: 166KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 68KB - Virtual size: 67KB

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: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 536B

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

9064a4fce2f3427f7eb6cce51638b313

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

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

kernel32

shell32

ole32

bcrypt

advapi32

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: 167KB - Virtual size: 166KB

.rdata Size: 68KB - Virtual size: 67KB

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

.pdata Size: 8KB - Virtual size: 7KB

.rsrc Size: 1024B - Virtual size: 536B

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

.text
Size: 167KB - Virtual size: 166KB

.rdata
Size: 68KB - Virtual size: 67KB

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

.pdata
Size: 8KB - Virtual size: 7KB

.rsrc
Size: 1024B - Virtual size: 536B

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