C:\Users\jakub\Documents\Grim-Project\Grim-Loader-CPP\x64\Release\Grim-Loader-CPP.pdb
Static task
static1
Behavioral task
behavioral1
Sample
GrimDownloader.exe
Resource
win10v2004-20240802-en
General
-
Target
GrimDownloader.exe
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Size
44.5MB
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MD5
639a232494e2f3fa4e69db89fb9061a4
-
SHA1
c9c4b71032e800e2e94ce5cf4a8023233cd8a466
-
SHA256
57e86c7ea9ed68ef5ae07c10b6755d086e0fd6f40f91e0d149e01fb7046c2648
-
SHA512
da0a433fde9b06f2414a0c81482a388b2edf63e1ff75bf570ba6f638f27e2d8827edde622ca5840e32695dbb455d04b992d7af51f109268851c48ba98d951bf8
-
SSDEEP
786432:6naJK2VQxHX+wrWcisgQwldJ4i0nvc94IHnvBquI6TPJ1Jn84eTwDoVomBwo:6aMisgQa6PnvcGIHvBqujTP3Opw2om
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource GrimDownloader.exe
Files
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GrimDownloader.exe.exe windows:6 windows x64 arch:x64
1575b9357fa95215b2f8a4a3a31c35cc
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
PDB Paths
Imports
ws2_32
getsockopt
recv
freeaddrinfo
connect
socket
ioctlsocket
WSAStartup
getaddrinfo
select
closesocket
WSACleanup
WSAGetLastError
send
kernel32
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetModuleFileNameA
SizeofResource
GetConsoleScreenBufferInfo
GetStdHandle
FindResourceA
GetModuleHandleExA
GetLastError
LockResource
LoadResource
CreateDirectoryA
GetTempPathW
AreFileApisANSI
CloseHandle
GetModuleHandleW
GetProcAddress
GetFileInformationByHandleEx
MultiByteToWideChar
WideCharToMultiByte
GetFileAttributesW
FindFirstFileW
FindClose
CreateFileW
GetLocaleInfoEx
FormatMessageA
LocalFree
InitializeSListHead
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
WakeAllConditionVariable
SleepConditionVariableSRW
QueryPerformanceCounter
GetFileAttributesExW
msvcp140
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?uncaught_exception@std@@YA_NXZ
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?_Xout_of_range@std@@YAXPEBD@Z
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Winerror_map@std@@YAHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
?_Syserror_map@std@@YAPEBDH@Z
_Query_perf_counter
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
??0_Lockit@std@@QEAA@H@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAPEAD0PEAH001@Z
?_Osfx@?$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?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEAH@Z
?good@ios_base@std@@QEBA_NXZ
??Bios_base@std@@QEBA_NXZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
??Bid@locale@std@@QEAA_KXZ
?set_new_handler@std@@YAP6AXXZP6AXXZ@Z
??1_Lockit@std@@QEAA@XZ
_Query_perf_frequency
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@I@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?_Xlength_error@std@@YAXPEBD@Z
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
?uncaught_exceptions@std@@YAHXZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
vcruntime140_1
__CxxFrameHandler4
vcruntime140
__current_exception_context
__current_exception
memcmp
__RTDynamicCast
memset
memchr
memcpy
_CxxThrowException
__std_type_info_name
_purecall
__std_type_info_compare
__std_terminate
__std_exception_copy
__std_exception_destroy
__C_specific_handler
memmove
api-ms-win-crt-heap-l1-1-0
_aligned_free
free
_set_new_mode
_callnewh
malloc
_aligned_malloc
api-ms-win-crt-runtime-l1-1-0
abort
terminate
_register_thread_local_exe_atexit_callback
_crt_atexit
_configure_narrow_argv
_initialize_narrow_environment
_c_exit
__p___argv
__p___argc
_initialize_onexit_table
_register_onexit_function
_cexit
_seh_filter_exe
_set_app_type
_invalid_parameter_noinfo_noreturn
exit
_exit
_get_initial_narrow_environment
_invalid_parameter_noinfo
_errno
system
_initterm_e
_initterm
api-ms-win-crt-stdio-l1-1-0
fgetpos
fgetc
_pclose
setvbuf
fclose
fflush
fputc
fwrite
ungetc
fsetpos
fread
_fseeki64
_get_stream_buffer_pointers
_set_fmode
__p__commode
_popen
fgets
api-ms-win-crt-filesystem-l1-1-0
_unlock_file
_lock_file
remove
api-ms-win-crt-environment-l1-1-0
_dupenv_s
api-ms-win-crt-string-l1-1-0
strcmp
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
___lc_codepage_func
Sections
.text Size: 170KB - Virtual size: 169KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 69KB - Virtual size: 69KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 13KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 44.3MB - Virtual size: 44.3MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ