Behavioral task
behavioral1
Sample
bb59427f81b27ebb74948e73eb8d7a060424f4ed29306c10337c589e8369ded3.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
bb59427f81b27ebb74948e73eb8d7a060424f4ed29306c10337c589e8369ded3.exe
Resource
win10v2004-20231020-en
General
-
Target
bb59427f81b27ebb74948e73eb8d7a060424f4ed29306c10337c589e8369ded3
-
Size
330KB
-
MD5
0fafce9fd83d60674d5a47319193b4df
-
SHA1
3733efcfc5a23a3f97cde9a0326b2325b447aecc
-
SHA256
bb59427f81b27ebb74948e73eb8d7a060424f4ed29306c10337c589e8369ded3
-
SHA512
83a49c7b0b9cd2bab1b7874695b2abba530a4a6edaf6ec46b81e549926c76d4aa539ea6195041afe1a9c41048f4d3a943fc2982c91f4df250e19a04f4e94d4d7
-
SSDEEP
6144:dEG8cZDtrGYpzjr4OVMvvOJJMmGMmw9IArBCv9fH/HD:aQZDtrLpjr1VMvv4JMJMPIArBCvl
Malware Config
Signatures
-
Cobaltstrike family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource bb59427f81b27ebb74948e73eb8d7a060424f4ed29306c10337c589e8369ded3
Files
-
bb59427f81b27ebb74948e73eb8d7a060424f4ed29306c10337c589e8369ded3.exe windows:6 windows x64 arch:x64
447fb8298c65dcdd1ae70f1e5aab8fb1
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
libcrypto-1_1-x64
AES_set_encrypt_key
AES_cbc_encrypt
msvcp140
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
?always_noconv@codecvt_base@std@@QEBA_NXZ
??Bid@locale@std@@QEAA_KXZ
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?_Xlength_error@std@@YAXPEBD@Z
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?uncaught_exception@std@@YA_NXZ
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
vcruntime140_1
__CxxFrameHandler4
vcruntime140
__current_exception_context
__current_exception
memmove
_CxxThrowException
__C_specific_handler
__std_terminate
__std_exception_copy
__std_exception_destroy
memset
memcpy
api-ms-win-crt-stdio-l1-1-0
__p__commode
fsetpos
ungetc
setvbuf
fgetpos
fwrite
fread
_get_stream_buffer_pointers
fgetc
fclose
fflush
fputc
_fseeki64
_set_fmode
api-ms-win-crt-filesystem-l1-1-0
_unlock_file
_lock_file
api-ms-win-crt-runtime-l1-1-0
_exit
_initialize_narrow_environment
__p___argc
_configure_narrow_argv
_cexit
exit
_register_thread_local_exe_atexit_callback
_initterm_e
_get_initial_narrow_environment
_initterm
_initialize_onexit_table
_register_onexit_function
_c_exit
_crt_atexit
_set_app_type
terminate
_seh_filter_exe
_invalid_parameter_noinfo_noreturn
__p___argv
api-ms-win-crt-heap-l1-1-0
free
_set_new_mode
malloc
_callnewh
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
kernel32
QueryPerformanceCounter
GetCurrentProcessId
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
InitializeSListHead
GetSystemTimeAsFileTime
GetModuleHandleW
GetCurrentThreadId
IsProcessorFeaturePresent
Sections
.text Size: 10KB - Virtual size: 10KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 260KB - Virtual size: 260KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 1024B - Virtual size: 972B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 45KB - Virtual size: 45KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 156B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ