bfsvc[.]exe | Triage

Sharing

Copy URL Twitter E-mail

General

Target

bfsvc.exe
Size

616KB
MD5

a6e1f836c3386a1c7e5bc33095fe9ddc
SHA1

b3daab17ef71dce6e5fb05e6397b72e8e67b8585
SHA256

5d9be6790c9f342eadc48dc093e1a4c02a5f0d753315356a4d4cca45e5dce466
SHA512

9a591ca2ba0faa51e5a486692d473dc632bb78026423200f50c4b98abbb537d6f1c17e642d3182436c5bdfaf7c8d849ce2406744f07db6bd7340380ff5e19c4f
SSDEEP

12288:sYKKVYBhv6dihRDxHDyi6V1TV6wVrxMF08z1ESmahPKXg6ExRFvIhyP764a7r0dv:sY0MihRDxHDyi6V1TV6wVrxMF08z1ESz

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
bfsvc.exe

Files

bfsvc.exe
.exe windows:4 windows x64 arch:x64

9eb228283df7c96c184ff6d57c6abcd7

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

kernel32

CloseHandle
DeleteCriticalSection
EnterCriticalSection
GetLastError
GetSystemInfo
InitializeCriticalSection
K32GetProcessImageFileNameA
LeaveCriticalSection
OpenProcess
ReadProcessMemory
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualProtect
VirtualProtectEx
VirtualQuery
VirtualQueryEx
WriteProcessMemory
__C_specific_handler

msvcrt

__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_commode
_errno
_fmode
_initterm
free
memchr
memcmp
memcpy
memmove
memset
_onexit
abort
calloc
exit
fprintf
fwrite
malloc
signal
strlen
strncmp
strtol
vfprintf

libwinpthread-1

nanosleep
pthread_mutex_destroy
pthread_mutex_init
pthread_mutex_lock
pthread_mutex_unlock

libgcc_s_seh-1

_Unwind_Resume

libstdc++-6

_ZNKSt9basic_iosIcSt11char_traitsIcEEcvbEv
_ZNKSt9basic_iosIcSt11char_traitsIcEEntEv
_ZNSi3getEv
_ZNSi6ignoreEv
_ZNSolsEPFRSoS_E
_ZNSolsEd
_ZNSolsEi
_ZNSolsEm
_ZNSt13random_device7_M_finiEv
_ZNSt13random_device7_M_initERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE
_ZNSt13random_device9_M_getvalEv
_ZNSt13runtime_errorC1EPKc
_ZNSt13runtime_errorD1Ev
_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1ERKNSt7__cxx1112basic_stringIcS1_SaIcEEESt13_Ios_Openmode
_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev
_ZNSt6chrono3_V212system_clock3nowEv
_ZNSt6thread15_M_start_threadESt10unique_ptrINS_6_StateESt14default_deleteIS1_EEPFvvE
_ZNSt6thread4joinEv
_ZNSt6thread6_StateD2Ev
_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE15_M_replace_coldEPcyPKcyy
_ZSt17__throw_bad_allocv
_ZSt19__throw_logic_errorPKc
_ZSt20__throw_length_errorPKc
_ZSt20__throw_out_of_rangePKc
_ZSt20__throw_system_errori
_ZSt24__throw_invalid_argumentPKc
_ZSt24__throw_out_of_range_fmtPKcz
_ZSt28__throw_bad_array_new_lengthv
_ZSt3cin
_ZSt4cerr
_ZSt4cout
_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
_ZSt7getlineIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE
_ZSt9terminatev
_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc
_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE
_ZTVN10__cxxabiv117__class_type_infoE
_ZTVN10__cxxabiv120__si_class_type_infoE
_ZTVNSt6thread6_StateE
_ZdlPv
_ZdlPvy
_Znwy
__cxa_allocate_exception
__cxa_begin_catch
__cxa_end_catch
__cxa_free_exception
__cxa_rethrow
__cxa_throw
__gxx_personality_seh0

Sections

.text
Size: 43KB - Virtual size: 42KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 176B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 352B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 5KB - Virtual size: 4KB

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
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 168B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/4
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 242KB - Virtual size: 242KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/31
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/45
Size: 21KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/57
Size: 25KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/70
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/81
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/97
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9eb228283df7c96c184ff6d57c6abcd7

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

libwinpthread-1

libgcc_s_seh-1

libstdc++-6

Sections

.text Size: 43KB - Virtual size: 42KB

.data Size: 512B - Virtual size: 176B

.rdata Size: 4KB - Virtual size: 4KB

.pdata Size: 5KB - Virtual size: 5KB

.xdata Size: 6KB - Virtual size: 5KB

.bss Size: - Virtual size: 352B

.idata Size: 5KB - Virtual size: 4KB

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

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

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

.reloc Size: 512B - Virtual size: 168B

/4 Size: 6KB - Virtual size: 5KB

/19 Size: 242KB - Virtual size: 242KB

/31 Size: 6KB - Virtual size: 6KB

/45 Size: 21KB - Virtual size: 21KB

/57 Size: 25KB - Virtual size: 24KB

/70 Size: 4KB - Virtual size: 3KB

/81 Size: 2KB - Virtual size: 2KB

/97 Size: 4KB - Virtual size: 3KB

.text
Size: 43KB - Virtual size: 42KB

.data
Size: 512B - Virtual size: 176B

.rdata
Size: 4KB - Virtual size: 4KB

.pdata
Size: 5KB - Virtual size: 5KB

.xdata
Size: 6KB - Virtual size: 5KB

.bss
Size: - Virtual size: 352B

.idata
Size: 5KB - Virtual size: 4KB

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

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

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

.reloc
Size: 512B - Virtual size: 168B

/4
Size: 6KB - Virtual size: 5KB

/19
Size: 242KB - Virtual size: 242KB

/31
Size: 6KB - Virtual size: 6KB

/45
Size: 21KB - Virtual size: 21KB

/57
Size: 25KB - Virtual size: 24KB

/70
Size: 4KB - Virtual size: 3KB

/81
Size: 2KB - Virtual size: 2KB

/97
Size: 4KB - Virtual size: 3KB