bytes[.]exe | Triage

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General

Target

bytes.exe
Size

21KB
MD5

0d60c094614d65cbc6108096dfc5d9fb
SHA1

c2fa5a30d1563f259f0ab041388a910644453736
SHA256

ad5be20ecb519225a8173b5a687c928dd769a1a22c1eb7593a48a9802f980bb5
SHA512

71f83d833c5a121dc5907bb11f7e3e17049f6f37746a83a392d23e3c096de63fcfd1ba2973bf194c3c09b32d649d563f2ec32a92708100e02c45296729da9240
SSDEEP

384:JZPQK0sxav7dXplNBd9cuIvj8sh/HcMkJLO2qHkae:JdQJs0NNRGLhYVWHz

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
bytes.exe

Files

bytes.exe
.exe windows:6 windows x64 arch:x64

85b9a50c39a7071b9cb2922f2094a37a

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

kernel32

WriteProcessMemory
WaitForSingleObject
GetModuleHandleA
OpenProcess
CreateToolhelp32Snapshot
Sleep
GetLastError
Process32NextW
Process32FirstW
CloseHandle
GetProcAddress
VirtualAllocEx
CreateRemoteThread
VirtualFreeEx
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetModuleHandleW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlCaptureContext

msvcp140

?good@ios_base@std@@QEBA_NXZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@K@Z
?uncaught_exceptions@std@@YAHXZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Xlength_error@std@@YAXPEBD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ

vcruntime140_1

__CxxFrameHandler4

vcruntime140

memset
__current_exception_context
__current_exception
_CxxThrowException
memmove
__std_terminate
__std_exception_copy
__std_exception_destroy
memcpy
__C_specific_handler

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

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

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

_set_new_mode
malloc
free
_callnewh

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

__setusermatherr

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

_set_fmode
__p__commode

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

_configthreadlocale

Sections

.text
Size: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1024B - Virtual size: 840B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 488B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 96B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

85b9a50c39a7071b9cb2922f2094a37a

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcp140

vcruntime140_1

vcruntime140

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

api-ms-win-crt-heap-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

Sections

.text Size: 9KB - Virtual size: 8KB

.rdata Size: 8KB - Virtual size: 8KB

.data Size: 512B - Virtual size: 1KB

.pdata Size: 1024B - Virtual size: 840B

.rsrc Size: 512B - Virtual size: 488B

.reloc Size: 512B - Virtual size: 96B

.text
Size: 9KB - Virtual size: 8KB

.rdata
Size: 8KB - Virtual size: 8KB

.data
Size: 512B - Virtual size: 1KB

.pdata
Size: 1024B - Virtual size: 840B

.rsrc
Size: 512B - Virtual size: 488B

.reloc
Size: 512B - Virtual size: 96B