Static task
static1
Behavioral task
behavioral1
Sample
loader.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
loader.exe
Resource
win10v2004-20241007-en
General
-
Target
loader.exe
-
Size
15.9MB
-
MD5
3ea2381d1e7dab5f89d6a89f5cbb5216
-
SHA1
c8aef0c1b9312c9ef534a728bd147523762335fe
-
SHA256
c861348fee6cb15d4ade022d1a064078901cf1658ca901ac405dbafa5531f355
-
SHA512
72ae6d41c7b7a553fd095aaa9ab708aa33f8b3ab4f83bc30191dbb24ce5b1cef64c2781b904078eb531b71478df19323f0b641f2c310f5112a37b949cba281d3
-
SSDEEP
393216:HP6+mnKrp/OxBP+Inkat8fLUq42kPiMPeR+6/SR/LyTY/eXi:Hi+1pmxR/nVEHsicCKy5S
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource loader.exe
Files
-
loader.exe.exe windows:6 windows x64 arch:x64
3c93b52e7f8dfd517c3bc558e79ee567
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
ws2_32
WSAGetLastError
getsockname
ioctlsocket
WSACleanup
closesocket
gethostbyname
WSAStartup
send
socket
connect
recv
select
getsockopt
htonl
htons
inet_addr
inet_ntoa
getaddrinfo
gethostbyaddr
getservbyport
getservbyname
WSASetLastError
setsockopt
shutdown
getpeername
recvfrom
sendto
ntohs
freeaddrinfo
crypt32
CertGetCertificateContextProperty
CertFreeCertificateContext
CertOpenStore
CertCloseStore
CertEnumCertificatesInStore
CertFindCertificateInStore
CertOpenSystemStoreW
CertDuplicateCertificateContext
advapi32
CryptReleaseContext
RegCreateKeyW
RegDeleteTreeW
RegCloseKey
RegSetKeyValueW
DeregisterEventSource
RegisterEventSourceW
ReportEventW
CryptEnumProvidersW
CryptSignHashW
CryptDestroyHash
CryptCreateHash
CryptDecrypt
CryptExportKey
CryptGetUserKey
CryptGetProvParam
CryptSetHashParam
CryptDestroyKey
CryptGenRandom
CryptAcquireContextW
RegOpenKeyW
user32
MessageBoxW
GetUserObjectInformationW
GetProcessWindowStation
kernel32
FreeLibrary
LoadLibraryA
FormatMessageA
LoadLibraryW
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
ReleaseSemaphore
WaitForSingleObject
GetExitCodeThread
CreateSemaphoreA
FindClose
FindFirstFileW
FindNextFileW
GetSystemTime
SystemTimeToFileTime
ReadConsoleA
OutputDebugStringW
InitializeSListHead
QueryPerformanceCounter
IsDebuggerPresent
GetSystemDirectoryA
GetACP
WideCharToMultiByte
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
SleepConditionVariableSRW
WakeAllConditionVariable
ReadConsoleW
Sleep
GetStdHandle
SetConsoleMode
GetConsoleMode
SetConsoleTitleW
VirtualFree
DeviceIoControl
VirtualAlloc
InitializeCriticalSectionEx
CreateFileW
GetCurrentThreadId
GetModuleHandleA
GetLastError
CloseHandle
GetProcAddress
DeleteCriticalSection
GetCurrentProcessId
GetTempPathW
SetConsoleTextAttribute
GetCurrentProcess
ReadProcessMemory
GetFileType
WriteFile
GetModuleHandleW
MultiByteToWideChar
RtlVirtualUnwind
SetLastError
InitializeSRWLock
ReleaseSRWLockExclusive
ReleaseSRWLockShared
AcquireSRWLockExclusive
AcquireSRWLockShared
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetModuleHandleExW
GetSystemTimeAsFileTime
GetEnvironmentVariableW
LocalFree
GetSystemTimeAsFileTime
CreateEventA
GetModuleHandleA
TerminateProcess
GetCurrentProcess
CreateToolhelp32Snapshot
Thread32First
GetCurrentProcessId
GetCurrentThreadId
OpenThread
Thread32Next
CloseHandle
SuspendThread
ResumeThread
WriteProcessMemory
GetSystemInfo
VirtualAlloc
VirtualProtect
VirtualFree
GetProcessAffinityMask
SetProcessAffinityMask
GetCurrentThread
SetThreadAffinityMask
Sleep
LoadLibraryA
FreeLibrary
GetTickCount
SystemTimeToFileTime
FileTimeToSystemTime
GlobalFree
HeapAlloc
HeapFree
GetProcAddress
ExitProcess
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
DeleteCriticalSection
MultiByteToWideChar
GetModuleHandleW
LoadResource
FindResourceExW
FindResourceExA
WideCharToMultiByte
GetThreadLocale
GetUserDefaultLCID
GetSystemDefaultLCID
EnumResourceNamesA
EnumResourceNamesW
EnumResourceLanguagesA
EnumResourceLanguagesW
EnumResourceTypesA
EnumResourceTypesW
CreateFileW
LoadLibraryW
GetLastError
FlushFileBuffers
FlsSetValue
GetCommandLineA
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
EncodePointer
DecodePointer
FlsGetValue
FlsFree
SetLastError
FlsAlloc
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
RaiseException
RtlPcToFileHeader
RtlUnwindEx
LCMapStringA
LCMapStringW
SetHandleCount
GetStdHandle
GetFileType
GetStartupInfoA
GetModuleFileNameA
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
HeapSetInformation
HeapCreate
HeapDestroy
QueryPerformanceCounter
GetStringTypeA
GetStringTypeW
GetLocaleInfoA
HeapSize
WriteFile
SetFilePointer
GetConsoleCP
GetConsoleMode
HeapReAlloc
InitializeCriticalSectionAndSpinCount
SetStdHandle
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
CreateFileA
ole32
CoSetProxyBlanket
CoCreateInstance
CoUninitialize
CoInitializeSecurity
CoInitializeEx
oleaut32
SysFreeString
SysAllocString
VariantClear
msvcp140
?setstate@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEAAXH_N@Z
?widen@?$basic_ios@_WU?$char_traits@_W@std@@@std@@QEBA_WD@Z
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??6?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?sputc@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAAG_W@Z
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?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?sputn@?$basic_streambuf@_WU?$char_traits@_W@std@@@std@@QEAA_JPEB_W_J@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
??7ios_base@std@@QEBA_NXZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@PEBX@Z
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?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?wcout@std@@3V?$basic_ostream@_WU?$char_traits@_W@std@@@1@A
??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
?_Osfx@?$basic_ostream@_WU?$char_traits@_W@std@@@std@@QEAAXXZ
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@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
?_Xinvalid_argument@std@@YAXPEBD@Z
?_Xout_of_range@std@@YAXPEBD@Z
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
?id@?$ctype@D@std@@2V0locale@2@A
?_Xlength_error@std@@YAXPEBD@Z
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@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
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
??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@H@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
??Bid@locale@std@@QEAA_KXZ
ntdll
RtlInitUnicodeString
NtQuerySystemInformation
RtlLookupFunctionEntry
RtlCaptureContext
vcruntime140_1
__CxxFrameHandler4
vcruntime140
strstr
strrchr
memmove
strchr
memcmp
wcsstr
memset
memcpy
__std_terminate
__std_exception_copy
__std_exception_destroy
__current_exception_context
__C_specific_handler
_CxxThrowException
__current_exception
memchr
api-ms-win-crt-runtime-l1-1-0
_crt_atexit
_register_onexit_function
_initialize_onexit_table
_initialize_narrow_environment
_configure_narrow_argv
system
terminate
exit
_exit
_cexit
raise
strerror_s
signal
_seh_filter_exe
_set_app_type
_register_thread_local_exe_atexit_callback
_c_exit
_errno
_get_initial_narrow_environment
_initterm
_initterm_e
_beginthreadex
_invalid_parameter_noinfo_noreturn
__p___argc
__p___argv
api-ms-win-crt-heap-l1-1-0
free
_callnewh
calloc
realloc
_set_new_mode
malloc
api-ms-win-crt-math-l1-1-0
_dsign
__setusermatherr
api-ms-win-crt-locale-l1-1-0
localeconv
_configthreadlocale
api-ms-win-crt-stdio-l1-1-0
ftell
fseek
_set_fmode
_fileno
__stdio_common_vsprintf_s
__stdio_common_vsprintf
fgets
ferror
_wfopen
fopen
feof
__stdio_common_vfprintf
__acrt_iob_func
fputc
fflush
fclose
__stdio_common_vsscanf
fputs
__p__commode
__stdio_common_vswprintf
_setmode
fgetc
_get_stream_buffer_pointers
_fseeki64
fread
fsetpos
ungetc
fwrite
fgetpos
setvbuf
api-ms-win-crt-convert-l1-1-0
strtol
atoi
strtoul
api-ms-win-crt-time-l1-1-0
_gmtime64_s
_time64
api-ms-win-crt-utility-l1-1-0
srand
rand
qsort
api-ms-win-crt-filesystem-l1-1-0
_stat64i32
_lock_file
_unlock_file
_wremove
api-ms-win-crt-string-l1-1-0
_stricmp
strspn
strcspn
isdigit
tolower
strncpy_s
strcat_s
strcpy_s
strncmp
strcmp
isspace
strncpy
api-ms-win-crt-environment-l1-1-0
getenv
Sections
.text Size: - Virtual size: 2.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: - Virtual size: 801KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 128KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: - Virtual size: 100KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.k]> Size: - Virtual size: 488B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.pym Size: - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.migel Size: - Virtual size: 6.6MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.wr[ Size: - Virtual size: 6.7MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.?$/ Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.K\} Size: 15.9MB - Virtual size: 15.9MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 272B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ