Static task
static1
Behavioral task
behavioral1
Sample
Loader_Guard.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Loader_Guard.exe
Resource
win10v2004-20230915-en
General
-
Target
Loader_Guard.exe
-
Size
615KB
-
MD5
2be6dc6c6a3897a45819eb6e7a571def
-
SHA1
87ee7e26b0e3f21e041fd6594a8ba41e5fb6e208
-
SHA256
3226cdebb0cb32771973b98da55c6350fff7398ce0cfb0384e97bfca2f12ec31
-
SHA512
e0778741cbc8e5aa6ac794a6664071ed34f1b6d0ed373feecaa552c8abda15c8f08c82f2f9505f68e45717b2a6b86a42df04389a783c66f5b32010cc2bfc3aa9
-
SSDEEP
12288:tLMCcX4IVneNvda3S4IvPQHpgaJQas+F:tHcXRVeK3S4IXQJgaXse
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Loader_Guard.exe
Files
-
Loader_Guard.exe.exe windows:6 windows x64
c4ff03ffab36eb884ffe6e46b2c7d0a7
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
kernel32
GetEnvironmentVariableA
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
CreateFileA
GetFileSizeEx
WideCharToMultiByte
OutputDebugStringW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
IsProcessorFeaturePresent
TerminateProcess
LeaveCriticalSection
EnterCriticalSection
LocalFree
FormatMessageA
SetLastError
QueryFullProcessImageNameW
GetModuleFileNameA
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
DeleteCriticalSection
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
HeapDestroy
GetLastError
CloseHandle
WaitForSingleObjectEx
CreateFileW
IsDebuggerPresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
AreFileApisANSI
SetCurrentDirectoryW
GetLocaleInfoEx
MultiByteToWideChar
MoveFileExA
GetTickCount
QueryPerformanceCounter
VerifyVersionInfoA
FreeLibrary
GetSystemDirectoryA
VerSetConditionMask
QueryPerformanceFrequency
GetConsoleWindow
WriteProcessMemory
GetModuleHandleW
GetProcAddress
Beep
CreateThread
LoadLibraryA
GetCurrentThread
Sleep
GetModuleHandleA
GetStdHandle
GetCurrentProcess
SetConsoleTitleA
VirtualProtect
SleepEx
user32
MessageBoxA
MoveWindow
FindWindowA
ShowWindow
advapi32
SetSecurityInfo
RegCreateKeyA
OpenProcessToken
AddAccessAllowedAce
GetLengthSid
GetTokenInformation
InitializeAcl
IsValidSid
CopySid
ConvertSidToStringSidA
CryptAcquireContextA
CryptReleaseContext
CryptGetHashParam
CryptGenRandom
CryptCreateHash
CryptEncrypt
CryptImportKey
CryptDestroyKey
CryptDestroyHash
CryptHashData
RegSetValueExA
shell32
ShellExecuteA
msvcp140
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEAH@Z
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
?good@ios_base@std@@QEBA_NXZ
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?always_noconv@codecvt_base@std@@QEBA_NXZ
??Bid@locale@std@@QEAA_KXZ
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?setf@ios_base@std@@QEAAHHH@Z
?pbase@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD0@Z
?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAADD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Xbad_function_call@std@@YAXXZ
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
?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
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
_Query_perf_frequency
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?_Throw_Cpp_error@std@@YAXH@Z
?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
?_Winerror_map@std@@YAHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?id@?$ctype@D@std@@2V0locale@2@A
?_Xlength_error@std@@YAXPEBD@Z
?_Syserror_map@std@@YAPEBDH@Z
_Cnd_do_broadcast_at_thread_exit
_Thrd_sleep
_Query_perf_counter
_Thrd_detach
_Xtime_get_ticks
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?epptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z
?egptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?pptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?eback@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?setg@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@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
normaliz
IdnToAscii
wldap32
ord46
ord301
ord200
ord30
ord79
ord35
ord33
ord32
ord27
ord26
ord22
ord41
ord50
ord45
ord60
ord211
ord217
ord143
crypt32
CertGetCertificateChain
CertCreateCertificateChainEngine
CryptQueryObject
CertGetNameStringA
CertFindExtension
CertFreeCertificateChainEngine
CertFreeCertificateChain
CryptDecodeObjectEx
PFXImportCertStore
CryptStringToBinaryA
CertFreeCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore
CertCloseStore
CertAddCertificateContextToStore
CertOpenStore
ws2_32
getaddrinfo
select
freeaddrinfo
recvfrom
getsockopt
htons
sendto
gethostname
ntohl
ntohs
getsockname
getpeername
connect
bind
WSAGetLastError
setsockopt
__WSAFDIsSet
ioctlsocket
listen
htonl
accept
send
WSACleanup
WSAStartup
WSAIoctl
WSASetLastError
socket
closesocket
recv
rpcrt4
UuidToStringA
UuidCreate
RpcStringFreeA
psapi
GetModuleInformation
userenv
UnloadUserProfile
vcruntime140_1
__CxxFrameHandler4
vcruntime140
strstr
__current_exception
__current_exception_context
strrchr
strchr
__std_exception_destroy
__std_exception_copy
__std_terminate
_CxxThrowException
memchr
memcmp
memcpy
memmove
memset
__C_specific_handler
api-ms-win-crt-runtime-l1-1-0
_crt_atexit
_cexit
_seh_filter_exe
_set_app_type
_get_initial_narrow_environment
_initialize_narrow_environment
_register_onexit_function
_exit
_configure_narrow_argv
__p___argc
__p___argv
_c_exit
_register_thread_local_exe_atexit_callback
_errno
_invalid_parameter_noinfo_noreturn
terminate
_initterm_e
strerror
__sys_nerr
_getpid
_invalid_parameter_noinfo
system
_resetstkoflw
_initialize_onexit_table
exit
_beginthreadex
_initterm
api-ms-win-crt-stdio-l1-1-0
fputc
_lseeki64
fflush
fclose
feof
fgetc
fwrite
__stdio_common_vsscanf
fputs
fopen
fgetpos
setvbuf
fseek
_open
_close
__acrt_iob_func
ftell
ungetc
fsetpos
_write
_read
fread
__stdio_common_vsprintf
_popen
_pclose
fgets
__p__commode
_set_fmode
_fseeki64
_get_stream_buffer_pointers
api-ms-win-crt-heap-l1-1-0
_callnewh
calloc
realloc
_set_new_mode
malloc
free
api-ms-win-crt-utility-l1-1-0
rand
qsort
api-ms-win-crt-filesystem-l1-1-0
_lock_file
_unlock_file
_stat64
_access
_unlink
_fstat64
api-ms-win-crt-convert-l1-1-0
strtoll
strtol
strtod
atoi
strtoull
strtoul
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
___lc_codepage_func
localeconv
api-ms-win-crt-math-l1-1-0
__setusermatherr
_dclass
api-ms-win-crt-string-l1-1-0
_strdup
strncpy
tolower
strcmp
strncmp
isupper
strspn
strcspn
strpbrk
api-ms-win-crt-time-l1-1-0
_time64
_gmtime64
Sections
.text Size: 476KB - Virtual size: 476KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 114KB - Virtual size: 113KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 19KB - Virtual size: 19KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 488B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ