Static task
static1
Behavioral task
behavioral1
Sample
csopak.exe
Resource
win7-20231215-en
General
-
Target
csopak.exe
-
Size
88KB
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MD5
7eb29659c20a5dafd4fd9e2519b1de6f
-
SHA1
620a6afeda7ca0695967d9498bbed622b42a7a04
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SHA256
cf63129c075be319fe57f26050030a930574d47dfeb4187b077be9f9fd353e15
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SHA512
26cff3cad4a48bd0d7eaa2314c1373ea8393514d4ea735f1010cd1d3f7e007e8389ba82b7588e80c949751edddd2581feaa5877972b762493a292e52ded4de8d
-
SSDEEP
1536:R6elAcCd70E38f1omLpF53cRfa3XTiS9uMqqU+xOxgeQP0ZL:DAz70EWx5MwXe7MqqD2Rw0Z
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource csopak.exe
Files
-
csopak.exe.exe windows:6 windows x64 arch:x64
f38f56662a03925e19e2ade9e19579bc
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
msvcp140
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@I@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Decref@facet@locale@std@@UEAAPEAV_Facet_base@3@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
??1?$codecvt@_SDU_Mbstatet@@@std@@MEAA@XZ
??0?$codecvt@_SDU_Mbstatet@@@std@@QEAA@_K@Z
?out@?$codecvt@_SDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEB_S1AEAPEB_SPEAD3AEAPEAD@Z
?_Init@locale@std@@CAPEAV_Locimp@12@_N@Z
?_Locimp_Addfac@_Locimp@locale@std@@CAXPEAV123@PEAVfacet@23@_K@Z
?_New_Locimp@_Locimp@locale@std@@CAPEAV123@AEBV123@@Z
??4?$_Yarn@D@std@@QEAAAEAV01@PEBD@Z
?uncaught_exceptions@std@@YAHXZ
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?tellg@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA?AV?$fpos@U_Mbstatet@@@2@XZ
?seekg@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@V?$fpos@U_Mbstatet@@@2@@Z
?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEAD_J@Z
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?_Xlength_error@std@@YAXPEBD@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?always_noconv@codecvt_base@std@@QEBA_NXZ
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
??Bid@locale@std@@QEAA_KXZ
?_Winerror_map@std@@YAHH@Z
?_Syserror_map@std@@YAPEBDH@Z
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?_Xout_of_range@std@@YAXPEBD@Z
?_Incref@facet@locale@std@@UEAAXXZ
msvcp140_codecvt_ids
?id@?$codecvt@_SDU_Mbstatet@@@std@@2V0locale@2@A
vcruntime140
__C_specific_handler
__std_terminate
__current_exception
__current_exception_context
memset
memmove
__std_exception_copy
memcmp
__std_exception_destroy
_CxxThrowException
memcpy
vcruntime140_1
__CxxFrameHandler4
api-ms-win-crt-runtime-l1-1-0
_seh_filter_exe
_set_app_type
_configure_narrow_argv
terminate
_get_initial_narrow_environment
_initterm
_crt_atexit
_register_onexit_function
_initialize_onexit_table
_initterm_e
exit
_register_thread_local_exe_atexit_callback
_c_exit
_cexit
_exit
_invalid_parameter_noinfo_noreturn
__p___argv
_initialize_narrow_environment
__p___argc
api-ms-win-crt-heap-l1-1-0
malloc
_set_new_mode
free
_callnewh
api-ms-win-crt-stdio-l1-1-0
fflush
fgetc
fgetpos
fputc
fread
fclose
_fseeki64
fwrite
setvbuf
ungetc
_set_fmode
__p__commode
fsetpos
_get_stream_buffer_pointers
api-ms-win-crt-filesystem-l1-1-0
_lock_file
_unlock_file
api-ms-win-crt-locale-l1-1-0
___lc_codepage_func
_configthreadlocale
api-ms-win-crt-math-l1-1-0
__setusermatherr
kernel32
LocalFree
FormatMessageA
GetCurrentDirectoryW
CreateDirectoryW
CreateFileW
FindClose
FindFirstFileExW
GetFileAttributesExW
GetFileInformationByHandle
AreFileApisANSI
CloseHandle
GetLastError
SetLastError
GetModuleHandleW
GetProcAddress
MultiByteToWideChar
WideCharToMultiByte
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
Sections
.text Size: 53KB - Virtual size: 53KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 25KB - Virtual size: 25KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 3KB - Virtual size: 3KB
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: 304B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ