Static task
static1
Behavioral task
behavioral1
Sample
loader.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
loader.exe
Resource
win10v2004-20240226-en
General
-
Target
loader.exe
-
Size
534KB
-
MD5
a4b442ab755a0f56bc75e74880130dfb
-
SHA1
e38eb12f21faf5165a941175818822f1ff3d815f
-
SHA256
05bad10f7ff7abdbb9f4ae1a650033a78185e5f18c35e30d4fd444210b5cc606
-
SHA512
567113baa97d60f9346698a3abd79a971da11b24435fb805fac3efdcd6f3997f85f02ca03a650efbd0d871382cd555a9927df4b28f57ef7be73bc945599e2cc3
-
SSDEEP
6144:tRO5XhROJlVhf/OHpGZzs8FaRMXv5Bm/fvjYs2QrQZh8xu7tQbwLv7WILY9HFLXv:17/Xgi/Lm/fvjp2UQZh8QiUvzcDom4
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
ab057b958eb525fcbb9ec0694d5d8351
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
MultiByteToWideChar
GetEnvironmentVariableA
GetStdHandle
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
CreateFileA
GetFileSizeEx
WideCharToMultiByte
OutputDebugStringW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
VerSetConditionMask
SleepEx
LeaveCriticalSection
EnterCriticalSection
LocalFree
FormatMessageA
SetLastError
QueryFullProcessImageNameW
GetModuleHandleW
GetModuleHandleA
GetModuleFileNameA
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
VirtualProtect
CreateThread
DeleteCriticalSection
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
MoveFileExA
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
WaitForSingleObjectEx
GetTickCount
QueryPerformanceCounter
VerifyVersionInfoA
LoadLibraryA
GetProcAddress
FreeLibrary
GetSystemDirectoryA
IsDebuggerPresent
QueryPerformanceFrequency
HeapReAlloc
HeapAlloc
HeapDestroy
GetLastError
CreateFileW
CheckRemoteDebuggerPresent
IsWow64Process
CreateProcessW
CloseHandle
Process32Next
Sleep
CreateToolhelp32Snapshot
GetCurrentProcess
SetConsoleTitleA
Process32First
user32
MessageBoxA
advapi32
CryptGetHashParam
AddAccessAllowedAce
GetLengthSid
GetTokenInformation
InitializeAcl
IsValidSid
SetSecurityInfo
CopySid
ConvertSidToStringSidA
CryptAcquireContextA
CryptReleaseContext
CryptGenRandom
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptDestroyKey
CryptEncrypt
CryptImportKey
OpenProcessToken
shell32
ShellExecuteA
msvcp140
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
??Bid@locale@std@@QEAA_KXZ
?setf@ios_base@std@@QEAAHHH@Z
?pbase@?$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?$char_traits@D@std@@@std@@UEAA@XZ
?setw@std@@YA?AU?$_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
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
?setg@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?_Xlength_error@std@@YAXPEBD@Z
?id@?$ctype@D@std@@2V0locale@2@A
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@K@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?showmanyc@?$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?$char_traits@D@std@@@std@@IEAAPEADXZ
?_Xbad_function_call@std@@YAXXZ
?_Xout_of_range@std@@YAXPEBD@Z
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?uncaught_exception@std@@YA_NXZ
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
?eback@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?pptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?egptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z
?epptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
normaliz
IdnToAscii
wldap32
ord211
ord217
ord60
ord45
ord50
ord41
ord22
ord46
ord26
ord143
ord27
ord32
ord33
ord35
ord79
ord30
ord200
ord301
crypt32
CertGetCertificateChain
CertFreeCertificateChainEngine
CertCreateCertificateChainEngine
CertOpenStore
CryptQueryObject
CertGetNameStringA
CertFindExtension
CertFreeCertificateChain
CryptDecodeObjectEx
PFXImportCertStore
CryptStringToBinaryA
CertFreeCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore
CertCloseStore
CertAddCertificateContextToStore
ws2_32
bind
WSAGetLastError
send
closesocket
connect
getpeername
getsockname
getsockopt
htons
ntohs
setsockopt
recv
socket
WSASetLastError
getaddrinfo
select
recvfrom
__WSAFDIsSet
listen
htonl
WSAIoctl
WSAStartup
WSACleanup
freeaddrinfo
ntohl
gethostname
sendto
accept
ioctlsocket
rpcrt4
UuidCreate
RpcStringFreeA
UuidToStringA
psapi
GetModuleInformation
userenv
UnloadUserProfile
vcruntime140_1
__CxxFrameHandler4
vcruntime140
__current_exception
__current_exception_context
memmove
__C_specific_handler
__std_exception_destroy
__std_exception_copy
__std_terminate
_CxxThrowException
memchr
memcmp
strstr
memcpy
memset
strchr
strrchr
api-ms-win-crt-runtime-l1-1-0
_cexit
_seh_filter_exe
_set_app_type
_initialize_onexit_table
_get_initial_narrow_environment
_initterm
_initterm_e
_exit
_initialize_narrow_environment
__p___argc
__p___argv
_crt_atexit
_invalid_parameter_noinfo_noreturn
_configure_narrow_argv
_invalid_parameter_noinfo
terminate
system
_resetstkoflw
__sys_nerr
_getpid
_errno
strerror
_beginthreadex
_c_exit
_register_onexit_function
exit
_register_thread_local_exe_atexit_callback
api-ms-win-crt-stdio-l1-1-0
_open
fwrite
_close
__stdio_common_vsprintf
_write
_read
__p__commode
__acrt_iob_func
_set_fmode
fclose
_lseeki64
fflush
fputc
ftell
_popen
_pclose
fgets
fseek
feof
__stdio_common_vsscanf
fputs
fopen
fread
api-ms-win-crt-heap-l1-1-0
_set_new_mode
malloc
free
calloc
realloc
_callnewh
api-ms-win-crt-math-l1-1-0
__setusermatherr
_dclass
api-ms-win-crt-convert-l1-1-0
strtod
strtoul
strtoll
strtoull
atoi
strtol
api-ms-win-crt-filesystem-l1-1-0
_unlink
_stat64
_fstat64
_access
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
localeconv
api-ms-win-crt-string-l1-1-0
strpbrk
strcmp
strcspn
strncmp
tolower
_strdup
isupper
strspn
strncpy
api-ms-win-crt-time-l1-1-0
_gmtime64
_time64
api-ms-win-crt-utility-l1-1-0
qsort
Sections
.text Size: 410KB - Virtual size: 410KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 101KB - Virtual size: 100KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 17KB - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
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