Static task
static1
Behavioral task
behavioral1
Sample
MeltyConfig.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
MeltyConfig.exe
Resource
win10v2004-20231215-en
General
-
Target
MeltyConfig.exe
-
Size
130KB
-
MD5
9774a41927c2dc610c78c881588f10e7
-
SHA1
2632ed2dad9e58ac3a7ffd2cc5dd1d148b35f9c7
-
SHA256
4e38ad466022b0ad28313cdc12b0c8576cb2c5f23738b2ee709c68058757fa21
-
SHA512
3c6f7ff884ab5adf93cb39dd713af0d0883e1b5ca8f4d006c9c9f4a98424d958ef124fad2f52670285a05ffec2189ee50e3049e5a824d97373a59036d9c1e2ba
-
SSDEEP
1536:nlgBsY1sxRAgphLaPVQjY4y/EsF+tcR5SL8PN3Eyw1Khpn9wfLD:sUphL1Y4O3oaSWYghp9KX
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource MeltyConfig.exe
Files
-
MeltyConfig.exe.exe windows:6 windows x86 arch:x86
21957deb7e9591c4f260b05fe013ed6b
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
SetConsoleTitleW
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
GetModuleHandleW
GetProcAddress
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
CloseHandle
msvcp140
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHD@Z
?swap@?$basic_iostream@DU?$char_traits@D@std@@@std@@IAEXAAV12@@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PAD1AAPAD@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAE@XZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAEXXZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEXXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@XZ
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QAE_N_N@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PBD1AAPBDPAD3AAPAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PBD1AAPBDPAD3AAPAD@Z
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAEPADXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IAE@XZ
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QAE@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAE@XZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPBD_J@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UAE@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QBE?AVlocale@2@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@H@Z
?seekp@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@V?$fpos@U_Mbstatet@@@2@@Z
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV01@AAH@Z
?get@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEHXZ
?ignore@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV12@_JH@Z
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UAE@XZ
?_Init@ios_base@std@@IAEXXZ
??0ios_base@std@@IAE@XZ
??1ios_base@std@@UAE@XZ
?getloc@ios_base@std@@QBE?AVlocale@2@XZ
?clear@ios_base@std@@QAEXH_N@Z
?_Getcat@?$ctype@D@std@@SAIPAPBVfacet@locale@2@PBV42@@Z
??1ctype_base@std@@UAE@XZ
??0ctype_base@std@@QAE@I@Z
?do_encoding@codecvt_base@std@@MBEHXZ
?do_max_length@codecvt_base@std@@MBEHXZ
??1codecvt_base@std@@UAE@XZ
?always_noconv@codecvt_base@std@@QBE_NXZ
??0codecvt_base@std@@QAE@I@Z
?_Decref@facet@locale@std@@UAEPAV_Facet_base@3@XZ
?_Incref@facet@locale@std@@UAEXXZ
??Bid@locale@std@@QAEIXZ
?_Getcvt@_Locinfo@std@@QBE?AU_Cvtvec@@XZ
?_Getctype@_Locinfo@std@@QBE?AU_Ctypevec@@XZ
??1_Locinfo@std@@QAE@XZ
??0_Locinfo@std@@QAE@PBD@Z
?_Xinvalid_argument@std@@YAXPBD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@P6AAAVios_base@1@AAV21@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@I@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAE_JPBD_J@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SAIPAPBVfacet@locale@2@PBV42@@Z
_Toupper
_Tolower
?_Xlength_error@std@@YAXPBD@Z
?id@?$ctype@D@std@@2V0locale@2@A
?_Fiopen@std@@YAPAU_iobuf@@PBDHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Xout_of_range@std@@YAXPBD@Z
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?uncaught_exception@std@@YA_NXZ
?_Init@locale@std@@CAPAV_Locimp@12@_N@Z
?_Getgloballocale@locale@std@@CAPAV_Locimp@12@XZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
??0_Lockit@std@@QAE@H@Z
??1_Lockit@std@@QAE@XZ
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?clear@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
vcruntime140
memcpy
memmove
__CxxFrameHandler3
__std_exception_destroy
__std_exception_copy
_purecall
__std_terminate
__current_exception
__current_exception_context
memset
_CxxThrowException
_except_handler4_common
api-ms-win-crt-stdio-l1-1-0
fseek
fclose
fflush
fwrite
fputc
ftell
fopen_s
fgetpos
_get_stream_buffer_pointers
__p__commode
_fseeki64
fread
fsetpos
ungetc
_set_fmode
setvbuf
fputs
fgetc
api-ms-win-crt-string-l1-1-0
toupper
api-ms-win-crt-conio-l1-1-0
_getch
api-ms-win-crt-runtime-l1-1-0
_c_exit
_register_thread_local_exe_atexit_callback
__p___argc
_exit
_invalid_parameter_noinfo_noreturn
exit
_cexit
_configure_narrow_argv
_crt_atexit
terminate
_controlfp_s
_errno
_initterm_e
_register_onexit_function
_initterm
_get_initial_narrow_environment
_initialize_narrow_environment
_set_app_type
__p___argv
_initialize_onexit_table
_seh_filter_exe
system
api-ms-win-crt-filesystem-l1-1-0
_unlock_file
_lock_file
api-ms-win-crt-heap-l1-1-0
malloc
_callnewh
free
_set_new_mode
api-ms-win-crt-convert-l1-1-0
strtol
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
Sections
.text Size: 55KB - Virtual size: 55KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 21KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 46KB - Virtual size: 46KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ