Static task
static1
Behavioral task
behavioral1
Sample
RexonTestLoader.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
RexonTestLoader.exe
Resource
win10v2004-20240802-en
General
-
Target
RexonTestLoader.exe
-
Size
609KB
-
MD5
8609e11bcdd5860011b637cd2f8a7811
-
SHA1
98e9492ec30cc9298720809575372c0ad3fc19df
-
SHA256
b8e21dd5e529e6dc75cce149c6f844c1ec60eaa4689d708ac4c9e21d1f4173ae
-
SHA512
51f758b17715c142416aff86ec9cf3e673229598007dec7b1cf7463e0786fdf259490685fdedd1fa31461273743964ebcc7f0b1257b59b367847a3a0e9993cbe
-
SSDEEP
12288:SQeI618NtwsuomMBurbMZQ8gf0s+OSM8oL2cVKPxq:SQj6ONiXobeMZQ8Q0ZO0px
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource RexonTestLoader.exe
Files
-
RexonTestLoader.exe.exe windows:6 windows x64 arch:x64
2d3e079c7a0e8fd5c4f0249e3c9d0ec0
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
LoadLibraryA
VerifyVersionInfoA
QueryPerformanceCounter
GetTickCount
MoveFileExA
WaitForSingleObjectEx
MultiByteToWideChar
GetEnvironmentVariableA
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
CreateFileA
GetFileSizeEx
WideCharToMultiByte
OutputDebugStringW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryFullProcessImageNameW
GetModuleHandleW
GetModuleFileNameW
GetModuleFileNameA
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
VirtualProtect
CreateThread
GetCurrentProcess
DeleteCriticalSection
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
HeapDestroy
GetSystemDirectoryA
CreateFileW
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
GetFileInformationByHandleEx
AreFileApisANSI
GetFileAttributesExW
FindFirstFileW
FindClose
CreateDirectoryW
GetCurrentDirectoryW
GetLocaleInfoEx
FreeLibrary
QueryPerformanceFrequency
VerSetConditionMask
SleepEx
LeaveCriticalSection
EnterCriticalSection
LocalFree
FormatMessageA
GetLastError
Process32First
VirtualFreeEx
CreateRemoteThread
VirtualAllocEx
GetProcAddress
CloseHandle
Process32Next
Sleep
CreateToolhelp32Snapshot
OpenProcess
GetModuleHandleA
WaitForSingleObject
GetStdHandle
SetConsoleTitleA
SetConsoleTextAttribute
WriteProcessMemory
SetLastError
user32
MessageBoxA
GetAsyncKeyState
advapi32
CopySid
AddAccessAllowedAce
GetLengthSid
GetTokenInformation
InitializeAcl
IsValidSid
SetSecurityInfo
ConvertSidToStringSidA
CryptAcquireContextA
CryptReleaseContext
CryptGetHashParam
CryptGenRandom
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptDestroyKey
CryptEncrypt
CryptImportKey
OpenProcessToken
shell32
ShellExecuteA
msvcp140
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
?width@ios_base@std@@QEAA_J_J@Z
?width@ios_base@std@@QEBA_JXZ
?flags@ios_base@std@@QEBAHXZ
?good@ios_base@std@@QEBA_NXZ
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?always_noconv@codecvt_base@std@@QEBA_NXZ
??Bid@locale@std@@QEAA_KXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?setf@ios_base@std@@QEAAHHH@Z
?pbase@?$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?$char_traits@D@std@@@std@@UEAA@XZ
?setw@std@@YA?AU?$_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
??7ios_base@std@@QEBA_NXZ
??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
?_Xbad_alloc@std@@YAXXZ
?_Xout_of_range@std@@YAXPEBD@Z
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Winerror_map@std@@YAHH@Z
?_Xbad_function_call@std@@YAXXZ
?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
?_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?$char_traits@D@std@@@std@@QEAAHXZ
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?rdbuf@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_streambuf@DU?$char_traits@D@std@@@2@XZ
??1?$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?$char_traits@D@std@@@std@@MEAA_JXZ
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?getloc@?$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?$char_traits@D@std@@@std@@QEAAHD@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?unshift@?$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
?tie@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_ostream@DU?$char_traits@D@std@@@2@XZ
??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
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?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
ord79
ord30
ord200
ord301
ord35
ord33
ord32
ord27
ord26
ord22
ord41
ord50
ord45
ord60
ord211
ord46
ord217
ord143
crypt32
CertGetCertificateChain
CertFreeCertificateChainEngine
CertCreateCertificateChainEngine
CryptQueryObject
CertGetNameStringA
CertFindExtension
CertAddCertificateContextToStore
CertFreeCertificateChain
CryptDecodeObjectEx
PFXImportCertStore
CryptStringToBinaryA
CertFreeCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore
CertCloseStore
CertOpenStore
ws2_32
ntohs
sendto
gethostname
ntohl
socket
WSAIoctl
getaddrinfo
select
setsockopt
__WSAFDIsSet
freeaddrinfo
ioctlsocket
htons
getsockopt
listen
htonl
accept
WSACleanup
WSAStartup
recvfrom
closesocket
recv
getsockname
send
WSAGetLastError
bind
connect
getpeername
WSASetLastError
shlwapi
PathFindFileNameW
rpcrt4
UuidToStringA
UuidCreate
RpcStringFreeA
psapi
GetModuleInformation
userenv
UnloadUserProfile
vcruntime140_1
__CxxFrameHandler4
vcruntime140
__current_exception_context
__C_specific_handler
__current_exception
strrchr
__std_exception_destroy
__std_exception_copy
__std_terminate
strstr
_CxxThrowException
memchr
memcmp
memcpy
memmove
memset
strchr
api-ms-win-crt-stdio-l1-1-0
setvbuf
__stdio_common_vsprintf
_lseeki64
fflush
fputs
fopen
ungetc
fclose
fwrite
fsetpos
_open
__acrt_iob_func
_write
_read
fread
feof
fputc
fgetc
_fseeki64
_popen
_pclose
fgets
__p__commode
__stdio_common_vsscanf
_set_fmode
ftell
fseek
_get_stream_buffer_pointers
fgetpos
_close
api-ms-win-crt-heap-l1-1-0
_callnewh
malloc
free
_set_new_mode
calloc
realloc
api-ms-win-crt-math-l1-1-0
_dsign
_dclass
__setusermatherr
api-ms-win-crt-convert-l1-1-0
strtoull
strtod
atoi
strtol
strtoul
strtoll
api-ms-win-crt-time-l1-1-0
strftime
_gmtime64
_time64
_localtime64
api-ms-win-crt-filesystem-l1-1-0
_stat64
_unlink
_lock_file
_unlock_file
_fstat64
_access
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
localeconv
___lc_codepage_func
api-ms-win-crt-runtime-l1-1-0
_cexit
_seh_filter_exe
_set_app_type
_crt_atexit
_get_initial_narrow_environment
_initterm
_initterm_e
_exit
exit
__p___argc
__p___argv
_c_exit
_register_thread_local_exe_atexit_callback
_register_onexit_function
system
terminate
strerror
__sys_nerr
_beginthreadex
_initialize_onexit_table
_initialize_narrow_environment
_configure_narrow_argv
_invalid_parameter_noinfo
_resetstkoflw
_errno
abort
_getpid
_invalid_parameter_noinfo_noreturn
api-ms-win-crt-environment-l1-1-0
getenv
api-ms-win-crt-string-l1-1-0
strncmp
strncpy
strspn
isupper
tolower
strcspn
strcmp
_strdup
strpbrk
api-ms-win-crt-utility-l1-1-0
qsort
Sections
.text Size: 468KB - Virtual size: 467KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 115KB - Virtual size: 115KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 20KB - Virtual size: 19KB
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