Static task
static1
Behavioral task
behavioral1
Sample
loader.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
loader.exe
Resource
win10v2004-20230915-en
General
-
Target
loader.exe
-
Size
553KB
-
MD5
063625d39faf9d0022cdf944c14e6bee
-
SHA1
625210fcaa785a9396d7111c75121ad35f31c130
-
SHA256
119e196a4c5a6426df93e47e78b5fb17490690d0cb01c58564883037b743d8e9
-
SHA512
e5f18947686f567d5e899d507b4aba44697f97c0f3452b0dfb701d7fa53f6799a3f862db71dde961594014a89d7bcac329299a19f4d1133743b86b202398215b
-
SSDEEP
6144:UPdBzR8NXosJ8KNyCo+QDLsQnunTNBeICcs5qTHDWnOA0+URafFhyVP65V4WCH2V:josmE/48JBeIbsUHDWn3JUAFmgeE
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource loader.exe
Files
-
loader.exe.exe windows:6 windows x64
862785079e6527a6a8ae113b29cba957
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
GetProcessHeap
GetCurrentProcess
DeleteCriticalSection
GetModuleFileNameA
CloseHandle
HeapDestroy
HeapAlloc
HeapReAlloc
GetLastError
Sleep
HeapSize
InitializeCriticalSectionEx
GetProcAddress
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
WakeAllConditionVariable
SleepConditionVariableSRW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetModuleHandleW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
OutputDebugStringW
WideCharToMultiByte
LocalFree
GetFileSizeEx
CreateFileA
WaitForMultipleObjects
PeekNamedPipe
ReadFile
GetFileType
GetStdHandle
GetEnvironmentVariableA
MultiByteToWideChar
WaitForSingleObjectEx
MoveFileExA
GetTickCount
VerifyVersionInfoA
LoadLibraryA
HeapFree
FreeLibrary
GetSystemDirectoryA
QueryPerformanceFrequency
VerSetConditionMask
SleepEx
FormatMessageA
SetLastError
GetModuleHandleA
CreateThread
LeaveCriticalSection
EnterCriticalSection
user32
MessageBoxA
GetAsyncKeyState
advapi32
CryptReleaseContext
CryptDestroyHash
CryptHashData
CryptCreateHash
CryptGenRandom
CryptGetHashParam
CopySid
IsValidSid
OpenProcessToken
GetLengthSid
GetTokenInformation
CryptImportKey
CryptEncrypt
CryptAcquireContextA
ConvertSidToStringSidA
CryptDestroyKey
msvcp140
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?_Xlength_error@std@@YAXPEBD@Z
??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
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
??Bid@locale@std@@QEAA_KXZ
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?good@ios_base@std@@QEBA_NXZ
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?sputn@?$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?$char_traits@D@std@@@std@@QEAA_N_N@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?id@?$ctype@D@std@@2V0locale@2@A
?_Xout_of_range@std@@YAXPEBD@Z
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?uncaught_exception@std@@YA_NXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
?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
??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?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
userenv
UnloadUserProfile
ntdll
RtlLookupFunctionEntry
RtlCaptureContext
RtlVirtualUnwind
vcruntime140_1
__CxxFrameHandler4
vcruntime140
__current_exception_context
memset
memmove
_CxxThrowException
__std_terminate
memcpy
strchr
__current_exception
__C_specific_handler
memchr
__std_exception_copy
__std_exception_destroy
strrchr
strstr
memcmp
api-ms-win-crt-runtime-l1-1-0
_register_onexit_function
_get_initial_narrow_environment
_initialize_narrow_environment
_configure_narrow_argv
_initterm
_initterm_e
_errno
_invalid_parameter_noinfo
_exit
_resetstkoflw
_crt_atexit
_beginthreadex
__p___argv
_register_thread_local_exe_atexit_callback
system
_c_exit
abort
exit
_invalid_parameter_noinfo_noreturn
_getpid
_cexit
_seh_filter_exe
strerror
__sys_nerr
terminate
_set_app_type
__p___argc
_initialize_onexit_table
api-ms-win-crt-heap-l1-1-0
malloc
_callnewh
realloc
calloc
_set_new_mode
free
api-ms-win-crt-utility-l1-1-0
qsort
rand
api-ms-win-crt-stdio-l1-1-0
__stdio_common_vsprintf
fwrite
fread
fputc
_open
fclose
_popen
__acrt_iob_func
_lseeki64
fopen
_pclose
_read
_write
_close
fputs
fflush
__stdio_common_vsscanf
fgets
_set_fmode
feof
ftell
__p__commode
fseek
api-ms-win-crt-time-l1-1-0
_gmtime64
_time64
api-ms-win-crt-filesystem-l1-1-0
_stat64
_access
_unlink
_fstat64
api-ms-win-crt-math-l1-1-0
_dclass
__setusermatherr
api-ms-win-crt-locale-l1-1-0
localeconv
_configthreadlocale
api-ms-win-crt-convert-l1-1-0
atoi
strtoll
strtol
strtod
strtoul
strtoull
api-ms-win-crt-string-l1-1-0
_strdup
strspn
strncpy
isupper
strcspn
strcmp
tolower
strpbrk
strncmp
normaliz
IdnToAscii
wldap32
ord32
ord33
ord35
ord79
ord30
ord200
ord301
ord27
ord26
ord22
ord41
ord50
ord45
ord211
ord46
ord217
ord60
ord143
crypt32
CertOpenStore
CertFreeCertificateChainEngine
CertCreateCertificateChainEngine
CryptQueryObject
CertGetCertificateChain
CertFindExtension
CertAddCertificateContextToStore
CryptDecodeObjectEx
PFXImportCertStore
CertGetNameStringA
CryptStringToBinaryA
CertFreeCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore
CertCloseStore
CertFreeCertificateChain
ws2_32
ntohl
gethostname
sendto
recvfrom
freeaddrinfo
getaddrinfo
closesocket
recv
send
WSAGetLastError
bind
connect
getpeername
getsockname
getsockopt
htons
ntohs
setsockopt
socket
WSASetLastError
WSAIoctl
WSAStartup
WSACleanup
accept
htonl
listen
ioctlsocket
__WSAFDIsSet
select
rpcrt4
UuidCreate
RpcStringFreeA
UuidToStringA
psapi
GetModuleInformation
shell32
ShellExecuteA
Sections
.text Size: 429KB - Virtual size: 429KB
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: 18KB - Virtual size: 17KB
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