C:\Users\User\Downloads\byfron-bypass-Release\x64\Release\byfron_bypass.pdb
Static task
static1
Behavioral task
behavioral1
Sample
byfron_bypass.exe
Resource
win10v2004-20240419-en
General
-
Target
byfron_bypass.exe
-
Size
21KB
-
MD5
3988211e29842fbe616a3913560fe6f9
-
SHA1
7a939a98698521479cd65823e3ac6c664300fb62
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SHA256
8caeaa8cf15b2f1af6add584e4fbe9e48e4fc5b3d99c60705477249062794ea9
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SHA512
806e0205a2e9905b347c94c0d8cd07f12af3aee6798a11700f21ee466211fe872f44bef3d6a64ab5509b3ed9b07268f8b2620a173572e9825802ed00d88bd287
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SSDEEP
384:v7LKrvmH/Q09bq/pKmmyQtYVTRAG3g2jmt:+MIKmmH23gS6
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource byfron_bypass.exe
Files
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byfron_bypass.exe.exe windows:6 windows x64 arch:x64
aa80301580f9d23e072a9cbbce589e0c
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
Imports
kernel32
GetLastError
Process32NextW
CreateToolhelp32Snapshot
CloseHandle
RtlLookupFunctionEntry
OpenProcess
K32GetProcessImageFileNameW
Thread32First
Process32FirstW
Thread32Next
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
RtlCaptureContext
advapi32
LookupPrivilegeNameW
OpenProcessToken
GetTokenInformation
AdjustTokenPrivileges
msvcp140
?flush@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV12@XZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?sputc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAAG_W@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??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
??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?good@ios_base@std@@QEBA_NXZ
?put@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV12@_W@Z
?widen@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEBA_WD@Z
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?uncaught_exception@std@@YA_NXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?wcout@std@@3V?$basic_ostream@_WU?$char_traits@_W@std@@@1@A
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Osfx@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAXXZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?setstate@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEAAXH_N@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?sputn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAA_JPEB_W_J@Z
vcruntime140_1
__CxxFrameHandler4
vcruntime140
__current_exception_context
__current_exception
_CxxThrowException
__C_specific_handler
__std_exception_copy
__std_exception_destroy
memset
__std_terminate
memcpy
api-ms-win-crt-string-l1-1-0
_wcsicmp
api-ms-win-crt-runtime-l1-1-0
_register_onexit_function
_crt_atexit
terminate
__p___argc
__p___argv
_register_thread_local_exe_atexit_callback
_initialize_onexit_table
_invalid_parameter_noinfo_noreturn
exit
_exit
_initterm
_get_initial_narrow_environment
_initialize_narrow_environment
_configure_narrow_argv
_initterm_e
_set_app_type
_seh_filter_exe
_c_exit
_cexit
api-ms-win-crt-heap-l1-1-0
_callnewh
malloc
free
_set_new_mode
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: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 9KB - Virtual size: 9KB
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: 660B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 88B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ