Astro[.]Backend[.]exe

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General

Target

Astro.Backend.exe
Size

29KB
MD5

59c052d4ec26eafe75c56ac8bd533dd9
SHA1

8a75ac2d31caca01529bf44b89a8f774d9e0767a
SHA256

7e65bb0bbeba30be3606ae179c297533baa7b6485025453d53b5b7a68a3e41f7
SHA512

adc5bf4b4d0651aa893872a8e05241df68544c3bc3c68ba363366e8718a5fee10144ef7af40cad38277082bdfe2c9fc518e018c252fa56737bdff159dc94d925
SSDEEP

384:1gtK+6QF4IXx8hHtttvywRIHRFmOn0hpyP4EnR1jbu85fZP+P6+u0OHB4cmvXlY7:GxvfwqhvGOhA1rpo7JoMuvx3k

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Astro.Backend.exe

Files

Astro.Backend.exe
.exe windows x64

cc05c40538c8b52aa0223aa14064ba9f

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

libcurl

curl_global_init
curl_easy_setopt
curl_easy_cleanup
curl_easy_strerror
curl_easy_init
curl_global_cleanup
curl_easy_perform

kernel32

GetCurrentProcessId
QueryPerformanceCounter
RtlCaptureContext
RtlLookupFunctionEntry
GetModuleHandleW
IsDebuggerPresent
InitializeSListHead
OpenProcess
CreateToolhelp32Snapshot
Sleep
Process32NextW
Process32FirstW
CloseHandle
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
GetSystemTimeAsFileTime
IsProcessorFeaturePresent
GetCurrentThreadId

msvcp140

?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?good@ios_base@std@@QEBA_NXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?uncaught_exception@std@@YA_NXZ
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Xlength_error@std@@YAXPEBD@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__current_exception_context
memset
memmove
memcpy
_CxxThrowException
__C_specific_handler
__std_terminate
__std_exception_destroy
__std_exception_copy
__current_exception

api-ms-win-crt-stdio-l1-1-0

fclose
_set_fmode
__p__commode
fopen_s
fwrite

api-ms-win-crt-utility-l1-1-0

rand

api-ms-win-crt-runtime-l1-1-0

_cexit
_c_exit
_register_thread_local_exe_atexit_callback
__p___argc
_initterm_e
_invalid_parameter_noinfo_noreturn
_initterm
system
_register_onexit_function
_crt_atexit
terminate
_seh_filter_exe
_get_initial_narrow_environment
_set_app_type
_initialize_narrow_environment
_configure_narrow_argv
_exit
__p___argv
_initialize_onexit_table
exit

api-ms-win-crt-convert-l1-1-0

wcstombs

api-ms-win-crt-environment-l1-1-0

getenv

api-ms-win-crt-heap-l1-1-0

malloc
_callnewh
free
_set_new_mode

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

api-ms-win-crt-string-l1-1-0

strcmp

Sections

.text
Size: 16KB - Virtual size: 16KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 9KB - Virtual size: 8KB

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: 864B

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

Sharing

General

Malware Config

Signatures

Files

cc05c40538c8b52aa0223aa14064ba9f

Headers

DLL Characteristics

File Characteristics

Imports

libcurl

kernel32

msvcp140

vcruntime140_1

vcruntime140

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-utility-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-environment-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-string-l1-1-0

Sections

.text Size: 16KB - Virtual size: 16KB

.rdata Size: 9KB - Virtual size: 8KB

.data Size: 512B - Virtual size: 1KB

.pdata Size: 1024B - Virtual size: 864B

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 512B - Virtual size: 88B

.text
Size: 16KB - Virtual size: 16KB

.rdata
Size: 9KB - Virtual size: 8KB

.data
Size: 512B - Virtual size: 1KB

.pdata
Size: 1024B - Virtual size: 864B

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 512B - Virtual size: 88B