Static task
static1
Behavioral task
behavioral1
Sample
BesoToken.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
BesoToken.exe
Resource
win10v2004-20230703-en
General
-
Target
BesoToken.exe
-
Size
131KB
-
MD5
f38fa4bf4d3b4fdaecfe52ee0c4ba0ac
-
SHA1
fa27f315958f7230051ef646ad22d9d2560f3aba
-
SHA256
f872494e031f54d8c003d445c703ca1ebdd6e22d87cf5922ec2b2c52227a3c87
-
SHA512
4e9c1abc81f7ec5315000d666921899b280c2f12f2b3a6a124b7f2cf4f743fd4e62f51a114e893d5f630933d09c957341f6ec9a42418793006021b163cce34dd
-
SSDEEP
768:IP7HwhzEmrEWCfWE3dYojFCrRWWIi4PbpCQp5LoUPEpNJBGKpQZhr0t0xA8F:ITH0ELfj2ItN5Lo8EpNJBGK+uOxT
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource BesoToken.exe
Files
-
BesoToken.exe.exe windows x64
06fb2063e20afd0bda9b21d42850b9b7
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
HeapFree
GetProcessHeap
VirtualQuery
FreeLibrary
OpenProcess
CloseHandle
FormatMessageA
LocalFree
LocalAlloc
GetLastError
HeapAlloc
GetModuleHandleW
GetStartupInfoW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
WideCharToMultiByte
MultiByteToWideChar
RaiseException
IsDebuggerPresent
GetCurrentThreadId
GetProcAddress
user32
OpenWindowStationA
OpenDesktopA
advapi32
SetEntriesInAclW
CreateProcessWithTokenW
LookupPrivilegeValueW
LookupAccountSidA
ImpersonateLoggedOnUser
DuplicateTokenEx
AdjustTokenPrivileges
OpenProcessToken
SetSecurityInfo
GetSecurityInfo
CreateWellKnownSid
msvcp140d
?rdbuf@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEBAPEAV?$basic_streambuf@_WU?$char_traits@_W@std@@@2@XZ
?fill@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEBA_WXZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@K@Z
?_Osfx@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAXXZ
?flush@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV12@XZ
?wcout@std@@3V?$basic_ostream@_WU?$char_traits@_W@std@@@1@A
?setstate@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEAAXH_N@Z
?sputn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAA_JPEB_W_J@Z
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
?_Xlength_error@std@@YAXPEBD@Z
?uncaught_exception@std@@YA_NXZ
?good@ios_base@std@@QEBA_NXZ
?flags@ios_base@std@@QEBAHXZ
?width@ios_base@std@@QEBA_JXZ
?width@ios_base@std@@QEAA_J_J@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?tie@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_ostream@DU?$char_traits@D@std@@@2@XZ
?rdbuf@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_streambuf@DU?$char_traits@D@std@@@2@XZ
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADXZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@PEBX@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?sputc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAAG_W@Z
?tie@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEBAPEAV?$basic_ostream@_WU?$char_traits@_W@std@@@2@XZ
wtsapi32
WTSEnumerateProcessesW
vcruntime140d
memcpy
memmove
memset
__std_exception_copy
__std_exception_destroy
_CxxThrowException
__vcrt_LoadLibraryExW
memcmp
__C_specific_handler
__C_specific_handler_noexcept
__std_type_info_destroy_list
__current_exception
__current_exception_context
__vcrt_GetModuleFileNameW
__vcrt_GetModuleHandleW
vcruntime140_1d
__CxxFrameHandler4
ucrtbased
__p___wargv
_cexit
_c_exit
_register_thread_local_exe_atexit_callback
_configthreadlocale
_set_new_mode
__p__commode
_free_dbg
strcpy_s
strcat_s
__stdio_common_vsprintf_s
_seh_filter_dll
_set_fmode
_initialize_narrow_environment
_initialize_onexit_table
_register_onexit_function
_execute_onexit_table
_crt_atexit
_crt_at_quick_exit
terminate
_wmakepath_s
_wsplitpath_s
wcscpy_s
strlen
_invalid_parameter
exit
_initterm_e
_initterm
_get_initial_wide_environment
_initialize_wide_environment
_configure_wide_argv
__setusermatherr
_set_app_type
_seh_filter_exe
_CrtDbgReportW
malloc
_callnewh
__stdio_common_vfwprintf
_wtoi
wcslen
wcscmp
_CrtDbgReport
__stdio_common_vfprintf
__p___argc
_configure_narrow_argv
__acrt_iob_func
_exit
strcmp
Sections
.textbss Size: - Virtual size: 64KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.text Size: 77KB - Virtual size: 76KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 27KB - Virtual size: 26KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.msvcjmc Size: 1024B - Virtual size: 857B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.00cfg Size: 512B - Virtual size: 373B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 1003B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ