mbr[.]exe | Triage

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General

Target

mbr.exe
Size

135KB
MD5

1e6db233a1b7734889d5b94dc31f846e
SHA1

7637424f10f69075461cb02a9925ec6af7ad1670
SHA256

07e19d6e971da576c7546b1c4d1f5383925742533c5b467ce56fcf0436be6bc5
SHA512

b5e48f108f7bff2cd4ba497b6c08f8981f7f624806ada89afc33507f6178b08576efb484845674f966ed7aee9559d5168b24a169bd5bcc2e83c7ac8c9c168335
SSDEEP

1536:60xgke1EW7WnP1f4/igGg5DH2PJyyvWhAhM5zbi4dLvyL7h+UPPAruENfnEciJE4:9FXWiP1f4/9D3yGWvNiutI4+YH7J

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
mbr.exe

Files

mbr.exe
.exe windows:4 windows x64 arch:x64

fee01fecbcec6d5ba5a6eb8fea5cb728

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

libgcc_s_seh-1

_Unwind_Resume

kernel32

DeleteCriticalSection
EnterCriticalSection
GetLastError
InitializeCriticalSection
LeaveCriticalSection
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualProtect
VirtualQuery

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

__p__environ
__p__wenviron

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

_set_new_mode
calloc
free
malloc

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

__setusermatherr

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

__C_specific_handler
memcpy

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

__p___argc
__p___argv
__p___wargv
_cexit
_configure_narrow_argv
_configure_wide_argv
_crt_at_quick_exit
_crt_atexit
_exit
_initialize_narrow_environment
_initialize_wide_environment
_initterm
_set_app_type
_set_invalid_parameter_handler
abort
exit
signal

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

__acrt_iob_func
__p__commode
__p__fmode
__stdio_common_vfprintf
__stdio_common_vfwprintf
fwrite

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

strlen
strncmp

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

__daylight
__timezone
__tzname
_tzset

libstdc++-6

_ZNKSt9basic_iosIcSt11char_traitsIcEEntEv
_ZNSo5writeEPKcx
_ZNSolsEPFRSoS_E
_ZNSt14basic_ofstreamIcSt11char_traitsIcEE5closeEv
_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode
_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev
_ZSt4cerr
_ZSt4cout
_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc
__gxx_personality_seh0

Sections

.text
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 256B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 1024B - Virtual size: 612B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 512B - Virtual size: 504B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 384B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 152B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/4
Size: 1024B - Virtual size: 1024B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 44KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/31
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/45
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/57
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/70
Size: 1024B - Virtual size: 730B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/81
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/97
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/113
Size: 512B - Virtual size: 405B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

fee01fecbcec6d5ba5a6eb8fea5cb728

Headers

DLL Characteristics

File Characteristics

Imports

libgcc_s_seh-1

kernel32

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

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

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

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

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

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

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

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

libstdc++-6

Sections

.text Size: 7KB - Virtual size: 6KB

.data Size: 512B - Virtual size: 256B

.rdata Size: 3KB - Virtual size: 2KB

.pdata Size: 1024B - Virtual size: 612B

.xdata Size: 512B - Virtual size: 504B

.bss Size: - Virtual size: 384B

.idata Size: 3KB - Virtual size: 3KB

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

.tls Size: 512B - Virtual size: 16B

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

.reloc Size: 512B - Virtual size: 152B

/4 Size: 1024B - Virtual size: 1024B

/19 Size: 44KB - Virtual size: 43KB

/31 Size: 8KB - Virtual size: 7KB

/45 Size: 7KB - Virtual size: 7KB

/57 Size: 2KB - Virtual size: 2KB

/70 Size: 1024B - Virtual size: 730B

/81 Size: 5KB - Virtual size: 5KB

/97 Size: 5KB - Virtual size: 4KB

/113 Size: 512B - Virtual size: 405B

.text
Size: 7KB - Virtual size: 6KB

.data
Size: 512B - Virtual size: 256B

.rdata
Size: 3KB - Virtual size: 2KB

.pdata
Size: 1024B - Virtual size: 612B

.xdata
Size: 512B - Virtual size: 504B

.bss
Size: - Virtual size: 384B

.idata
Size: 3KB - Virtual size: 3KB

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

.tls
Size: 512B - Virtual size: 16B

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

.reloc
Size: 512B - Virtual size: 152B

/4
Size: 1024B - Virtual size: 1024B

/19
Size: 44KB - Virtual size: 43KB

/31
Size: 8KB - Virtual size: 7KB

/45
Size: 7KB - Virtual size: 7KB

/57
Size: 2KB - Virtual size: 2KB

/70
Size: 1024B - Virtual size: 730B

/81
Size: 5KB - Virtual size: 5KB

/97
Size: 5KB - Virtual size: 4KB

/113
Size: 512B - Virtual size: 405B