Static task
static1
Behavioral task
behavioral1
Sample
fent_loader1.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
fent_loader1.exe
Resource
win10v2004-20240802-en
General
-
Target
fent_loader1.exe
-
Size
1.1MB
-
MD5
3506e822542c981d461d13e83a7de410
-
SHA1
055cd1c5e133442d4c5f9144a6da7f587ee81649
-
SHA256
403f2ab3c2fa66809068a9100a281656a265a72754271be11f6cb44acf032077
-
SHA512
b14c8aee0306d7009a11f3439575db96cbf3902b4cb7fe0a8397c2128e6a2d4c249d4562114e095266c3828750d9bca5c35aa4bf9429c0dc7006d5a0bcfb73a0
-
SSDEEP
24576:p4+ILoUsyL7ri2HRtYGgTdXCtAdx9nq1sUQnh:pTPDyOCRt3GXiA7/UQn
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource fent_loader1.exe
Files
-
fent_loader1.exe.exe windows:6 windows x64 arch:x64
cf74339c76a71387bd049a4045814001
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
xinput1_4
ord2
kernel32
MoveFileExA
WaitForSingleObjectEx
GetEnvironmentVariableA
GetStdHandle
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
CreateFileA
GetFileSizeEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
GetTickCount
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
WakeAllConditionVariable
SleepConditionVariableSRW
GetCurrentProcessId
LocalFree
FormatMessageA
SetLastError
QueryFullProcessImageNameW
GetModuleHandleW
DeviceIoControl
OutputDebugStringA
GetModuleFileNameW
GetCurrentThreadId
GetSystemTimeAsFileTime
VerifyVersionInfoA
GetSystemDirectoryA
SleepEx
LeaveCriticalSection
IsProcessorFeaturePresent
GetCurrentProcess
SetConsoleTitleA
SetHandleInformation
Process32First
QueryPerformanceCounter
GetModuleFileNameA
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
VirtualProtect
DeleteCriticalSection
EnterCriticalSection
FreeLibrary
VerSetConditionMask
GetProcAddress
QueryPerformanceFrequency
LoadLibraryA
GetLocaleInfoA
GetModuleHandleA
GlobalUnlock
WideCharToMultiByte
GlobalLock
GlobalFree
GlobalAlloc
OutputDebugStringW
GetFileInformationByHandleEx
AreFileApisANSI
InitializeCriticalSectionEx
HeapSize
HeapFree
HeapReAlloc
HeapDestroy
CheckRemoteDebuggerPresent
IsDebuggerPresent
lstrcmpiA
GetProcessHeap
Beep
HeapAlloc
CreateThread
CloseHandle
Process32Next
GetLastError
Sleep
CreateFileW
GetFileAttributesExW
FindFirstFileW
FindClose
CreateDirectoryW
GetCurrentDirectoryW
GetLocaleInfoEx
InitializeSListHead
MultiByteToWideChar
CreateToolhelp32Snapshot
user32
GetClipboardData
SetClipboardData
SetLayeredWindowAttributes
DefWindowProcA
BlockInput
GetCursorPos
GetAsyncKeyState
ShowWindow
GetSystemMetrics
SetWindowPos
DestroyWindow
GetWindowRect
DispatchMessageA
GetWindow
OpenClipboard
CloseClipboard
SetWindowLongA
EmptyClipboard
CreateWindowExA
LoadIconA
PeekMessageA
GetDesktopWindow
RegisterClassExA
SetCursorPos
GetClientRect
SetCursor
GetForegroundWindow
GetKeyboardLayout
ClientToScreen
MessageBoxA
ScreenToClient
LoadCursorA
GetKeyState
SendInput
UpdateWindow
TranslateMessage
advapi32
RegQueryValueExA
CryptEncrypt
CryptGetHashParam
OpenProcessToken
AddAccessAllowedAce
GetLengthSid
GetTokenInformation
InitializeAcl
IsValidSid
SetSecurityInfo
CopySid
ConvertSidToStringSidA
CryptAcquireContextA
CryptReleaseContext
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptDestroyKey
CryptImportKey
RegCloseKey
CryptGenRandom
RegOpenKeyExA
shell32
ShellExecuteA
imm32
ImmReleaseContext
ImmSetCompositionWindow
ImmSetCandidateWindow
ImmGetContext
dwmapi
DwmExtendFrameIntoClientArea
msvcp140
??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
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@_K@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
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
?good@ios_base@std@@QEBA_NXZ
??Bios_base@std@@QEBA_NXZ
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?always_noconv@codecvt_base@std@@QEBA_NXZ
??Bid@locale@std@@QEAA_KXZ
?_Syserror_map@std@@YAPEBDH@Z
?_Winerror_map@std@@YAHH@Z
??7ios_base@std@@QEBA_NXZ
?setf@ios_base@std@@QEAAHHH@Z
?fill@?$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
??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?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?epptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?setg@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@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
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?pbase@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?put@?$time_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@QEBA?AV?$ostreambuf_iterator@DU?$char_traits@D@std@@@2@V32@AEAVios_base@2@DPEBUtm@@PEBD3@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?_Getcat@?$time_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
_Query_perf_counter
_Cnd_do_broadcast_at_thread_exit
?id@?$ctype@D@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Xout_of_range@std@@YAXPEBD@Z
?_Xbad_alloc@std@@YAXXZ
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?uncaught_exceptions@std@@YAHXZ
?id@?$time_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@2V0locale@2@A
?_Throw_Cpp_error@std@@YAXH@Z
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
_Query_perf_frequency
?_Xlength_error@std@@YAXPEBD@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
d3d9
Direct3DCreate9Ex
normaliz
IdnToAscii
wldap32
ord211
ord60
ord45
ord50
ord41
ord22
ord46
ord27
ord32
ord33
ord35
ord79
ord30
ord200
ord26
ord301
ord217
ord143
crypt32
CertCloseStore
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFreeCertificateContext
CryptStringToBinaryA
PFXImportCertStore
CryptDecodeObjectEx
CertAddCertificateContextToStore
CertFindExtension
CertGetNameStringA
CryptQueryObject
CertOpenStore
CertCreateCertificateChainEngine
CertFreeCertificateChainEngine
CertGetCertificateChain
CertFreeCertificateChain
ws2_32
closesocket
recv
send
WSAGetLastError
bind
connect
getpeername
getsockname
getsockopt
htons
ntohs
setsockopt
socket
WSASetLastError
WSAIoctl
WSAStartup
WSACleanup
accept
htonl
listen
ioctlsocket
__WSAFDIsSet
select
getaddrinfo
freeaddrinfo
recvfrom
sendto
gethostname
ntohl
shlwapi
PathFindFileNameW
rpcrt4
RpcStringFreeA
UuidToStringA
UuidCreate
psapi
GetModuleInformation
userenv
UnloadUserProfile
vcruntime140_1
__CxxFrameHandler4
vcruntime140
__std_terminate
strstr
strchr
__C_specific_handler
__std_exception_copy
_CxxThrowException
memchr
memcmp
memcpy
__std_exception_destroy
memmove
memset
strrchr
__current_exception
__current_exception_context
api-ms-win-crt-stdio-l1-1-0
fsetpos
ungetc
__p__commode
_read
setvbuf
fgetpos
_get_stream_buffer_pointers
_pclose
_popen
_write
fgetc
__stdio_common_vsprintf_s
_close
_open
_lseeki64
_fseeki64
fputc
fopen
fputs
_set_fmode
ftell
__acrt_iob_func
fflush
feof
__stdio_common_vsscanf
fread
fclose
__stdio_common_vsprintf
_wfopen
fwrite
fgets
fseek
__stdio_common_vfprintf
api-ms-win-crt-utility-l1-1-0
qsort
rand
api-ms-win-crt-string-l1-1-0
strcspn
strncmp
_strdup
tolower
isupper
strspn
strcmp
strncpy
strpbrk
api-ms-win-crt-heap-l1-1-0
_set_new_mode
realloc
malloc
_callnewh
free
calloc
api-ms-win-crt-convert-l1-1-0
atof
strtoul
atoi
strtoull
strtoll
strtod
strtol
api-ms-win-crt-runtime-l1-1-0
abort
_getpid
_register_thread_local_exe_atexit_callback
_c_exit
__p___argv
__p___argc
_invalid_parameter_noinfo_noreturn
exit
_exit
_resetstkoflw
_initterm_e
_invalid_parameter_noinfo
_beginthreadex
__sys_nerr
strerror
_configure_narrow_argv
_initialize_narrow_environment
system
terminate
_initterm
_initialize_onexit_table
_register_onexit_function
_crt_atexit
_cexit
_seh_filter_exe
_set_app_type
_errno
_get_initial_narrow_environment
api-ms-win-crt-filesystem-l1-1-0
_unlink
remove
_stat64
_fstat64
_unlock_file
_lock_file
_access
api-ms-win-crt-time-l1-1-0
_gmtime64
strftime
_time64
_localtime64
api-ms-win-crt-math-l1-1-0
__setusermatherr
cosf
ceilf
acosf
pow
powf
sinf
sqrt
tanf
fmodf
_dclass
sqrtf
atan2f
asin
atan2
_dsign
api-ms-win-crt-environment-l1-1-0
getenv
api-ms-win-crt-locale-l1-1-0
___lc_codepage_func
localeconv
_configthreadlocale
Sections
.text Size: 855KB - Virtual size: 855KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 249KB - Virtual size: 249KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 32KB - Virtual size: 32KB
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: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.0Dev Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ