Static task
static1
Behavioral task
behavioral1
Sample
System.Runtime.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
System.Runtime.exe
Resource
win10v2004-20250217-en
General
-
Target
System.Runtime.exe
-
Size
134KB
-
MD5
e7621d95185c721aa9e1002703b82fb1
-
SHA1
187d8a5a6d5244b981e523cce95081055e59150e
-
SHA256
edc876045d945c73f2746b87e8aa73415026f6771c114320fefdc5e73828faea
-
SHA512
f2438061ee21db1fd3d82ffbd4064ca1b6c8574d637441f728c5133918b44948647953b91c25795ad0056f74e6f6e15d6349244b122940c6c977a6946fbf0137
-
SSDEEP
1536:9gAlZHY+5D5YEtSMxuJyxq7J7BmfRNULyvUrTd0E8pXOAIT/Rk0MEMxNGJVuFjvy:9hXYRI3KBms7dwpXOAoRLEfGnDwcPlgY
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource System.Runtime.exe
Files
-
System.Runtime.exe.exe windows:5 windows x86 arch:x86
3f6c71eacd74a3e4ac9ee279bef42d3d
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
MultiByteToWideChar
SetFileAttributesW
CreateFileW
SetFileTime
CloseHandle
GetFileTime
GetConsoleWindow
GetSystemTime
SystemTimeToFileTime
CreateProcessW
WaitForSingleObject
TerminateProcess
GetTickCount
QueryPerformanceCounter
IsDebuggerPresent
SetUnhandledExceptionFilter
GetSystemTimeAsFileTime
GetCurrentProcessId
UnhandledExceptionFilter
GetCurrentProcess
DecodePointer
EncodePointer
HeapSetInformation
InterlockedCompareExchange
Sleep
InterlockedExchange
GetCurrentThreadId
user32
ShowWindow
MessageBoxW
shell32
ShellExecuteW
SHGetFolderPathW
msvcp100
?id@?$codecvt@DDH@std@@2V0locale@2@A
?_Getcat@?$codecvt@DDH@std@@SAIPAPBVfacet@locale@2@PBV42@@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAEXXZ
?setg@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAEXPAD00@Z
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QBE?AVlocale@2@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAE@XZ
?unshift@?$codecvt@DDH@std@@QBEHAAHPAD1AAPAD@Z
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QAE@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QAE@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IAE@XZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHD@Z
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?out@?$codecvt@DDH@std@@QBEHAAHPBD1AAPBDPAD3AAPAD@Z
?in@?$codecvt@DDH@std@@QBEHAAHPBD1AAPBDPAD3AAPAD@Z
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UAE@XZ
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UAE@XZ
?rdbuf@?$basic_ios@DU?$char_traits@D@std@@@std@@QBEPAV?$basic_streambuf@DU?$char_traits@D@std@@@2@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UAE@XZ
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPBD_J@Z
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPAD_J@Z
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JXZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAE@XZ
?always_noconv@codecvt_base@std@@QBE_NXZ
?_Decref@facet@locale@std@@QAEPAV123@XZ
?_Incref@facet@locale@std@@QAEXXZ
??Bid@locale@std@@QAEIXZ
?_Orphan_all@_Container_base0@std@@QAEXXZ
?_Xlength_error@std@@YAXPBD@Z
??0_Lockit@std@@QAE@H@Z
??1_Lockit@std@@QAE@XZ
?_Getgloballocale@locale@std@@CAPAV_Locimp@12@XZ
?_Xout_of_range@std@@YAXPBD@Z
?_BADOFF@std@@3_JB
??_7?$basic_ostream@DU?$char_traits@D@std@@@std@@6B@
??_7?$basic_istream@DU?$char_traits@D@std@@@std@@6B@
?_Fiopen@std@@YAPAU_iobuf@@PBDHH@Z
msvcr100
fgetc
fputc
ungetc
_localtime64
??2@YAPAXI@Z
_get_pgmptr
wcstombs
_lock_file
_unlock_file
fwrite
_fseeki64
fgetpos
fsetpos
setvbuf
fflush
fclose
??0bad_cast@std@@QAE@PBD@Z
??0bad_cast@std@@QAE@ABV01@@Z
??1bad_cast@std@@UAE@XZ
?what@exception@std@@UBEPBDXZ
__CxxFrameHandler3
?terminate@@YAXXZ
_amsg_exit
__getmainargs
_cexit
_exit
_XcptFilter
exit
__initenv
_initterm
_initterm_e
_configthreadlocale
__setusermatherr
_commode
_fmode
__set_app_type
_unlock
__dllonexit
_lock
_onexit
_crt_debugger_hook
?_type_info_dtor_internal_method@type_info@@QAEXXZ
_except_handler4_common
_invoke_watson
_controlfp_s
??0exception@std@@QAE@ABV01@@Z
memcpy_s
memmove
??3@YAXPAX@Z
??1exception@std@@UAE@XZ
??0exception@std@@QAE@ABQBD@Z
memchr
strrchr
_mkdir
_strdup
memcpy
memset
_time64
_CxxThrowException
Sections
.text Size: 61KB - Virtual size: 61KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 16KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 436B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ