Static task
static1
Behavioral task
behavioral1
Sample
Blenz Services.exe
Resource
win10v2004-20231215-en
General
-
Target
Blenz Services.exe
-
Size
815KB
-
MD5
4aa86ccddd1a8b4a03a9866a540af97e
-
SHA1
60371948f173bbfede04181472ed8f8e22caa4fe
-
SHA256
28726a916aff034003726e4c85036e32f247e0087710b8154c8dd2632b58fb63
-
SHA512
8c06996593044921349a6af262996842281b1237612417b6b0780c1ceb141513d1a43f62128274e71e159cef82ce838cf899e246c31a56d9f9c7979bfe02bcd1
-
SSDEEP
12288:5Xg2RaawF6LNc/92Ky574UFiDP4QaWnvLgG27ZvE3Mn6aAaxLo:5FRajFuC/8KW7aDP42nv8GOu3xaACLo
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Blenz Services.exe
Files
-
Blenz Services.exe.exe windows:6 windows x64 arch:x64
eed792c58d8182dd18215d76cac8e4a7
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
QueryFullProcessImageNameW
SetLastError
FormatMessageA
LocalFree
EnterCriticalSection
LeaveCriticalSection
SleepEx
QueryPerformanceFrequency
GetSystemDirectoryA
FreeLibrary
VerifyVersionInfoA
QueryPerformanceCounter
GetTickCount
MoveFileExA
WaitForSingleObjectEx
GetEnvironmentVariableA
GetFileType
WaitForMultipleObjects
GetFileSizeEx
WideCharToMultiByte
GetModuleHandleW
GetModuleFileNameA
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
CreateThread
GetTempPathW
VirtualAlloc
DeviceIoControl
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
WakeAllConditionVariable
SleepConditionVariableSRW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetSystemTimeAsFileTime
InitializeSListHead
GetLocaleInfoEx
FindClose
FindFirstFileW
GetFileAttributesExW
VirtualFree
OpenThread
GetProcessHeap
ReadProcessMemory
DeleteCriticalSection
GetProcAddress
HeapDestroy
HeapAlloc
HeapReAlloc
Process32FirstW
LoadLibraryA
CreateFileA
Process32NextW
CreateToolhelp32Snapshot
HeapSize
OpenProcess
AreFileApisANSI
GetFileInformationByHandleEx
OutputDebugStringW
GetModuleHandleA
OpenFileMappingW
GetCurrentThreadId
InitializeCriticalSectionEx
GetStdHandle
GetCurrentProcess
HeapFree
VirtualProtect
MultiByteToWideChar
GetModuleFileNameW
lstrlenW
Sleep
WaitNamedPipeW
GetCurrentProcessId
CloseHandle
GetLastError
CreateFileW
PeekNamedPipe
WriteFile
ReadFile
user32
MessageBoxA
FindWindowW
FindWindowA
advapi32
CryptEncrypt
CryptImportKey
CryptDestroyKey
CryptDestroyHash
CryptHashData
CryptCreateHash
CryptGenRandom
CryptGetHashParam
CryptReleaseContext
CryptAcquireContextA
ConvertSidToStringSidA
CopySid
SetSecurityInfo
IsValidSid
InitializeAcl
GetTokenInformation
GetLengthSid
AddAccessAllowedAce
OpenProcessToken
RegDeleteKeyW
RegCreateKeyW
RegOpenKeyW
GetUserNameA
RegCloseKey
RegCreateKeyExW
RegSetValueExW
RegSetKeyValueW
msvcp140
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
_Mtx_current_owns
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?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
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
?_Xbad_function_call@std@@YAXXZ
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
_Cnd_init_in_situ
?_Throw_Cpp_error@std@@YAXH@Z
??7ios_base@std@@QEBA_NXZ
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
??Bid@locale@std@@QEAA_KXZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?good@ios_base@std@@QEBA_NXZ
_Cnd_timedwait
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEAH@Z
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@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
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
??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
?clear@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?_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?$char_traits@D@std@@@std@@QEBADD@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?snextc@?$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
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
_Thrd_detach
?_Syserror_map@std@@YAPEBDH@Z
?_Xlength_error@std@@YAXPEBD@Z
?id@?$ctype@D@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
_Mtx_destroy_in_situ
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
_Mtx_lock
_Mtx_init_in_situ
_Cnd_do_broadcast_at_thread_exit
?_Winerror_map@std@@YAHH@Z
?_Xout_of_range@std@@YAXPEBD@Z
?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
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
_Xtime_get_ticks
_Mtx_unlock
_Cnd_broadcast
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
ntdll
RtlVirtualUnwind
RtlCaptureContext
VerSetConditionMask
RtlInitUnicodeString
NtQuerySystemInformation
RtlLookupFunctionEntry
wininet
InternetReadFile
InternetOpenUrlA
InternetCloseHandle
InternetOpenA
normaliz
IdnToAscii
wldap32
ord143
ord50
ord217
ord301
ord200
ord46
ord211
ord60
ord45
ord32
ord30
ord41
ord79
ord22
ord26
ord27
ord35
ord33
crypt32
CryptQueryObject
CertCreateCertificateChainEngine
CertFreeCertificateChainEngine
CertGetCertificateChain
CertFreeCertificateChain
CertOpenStore
CertCloseStore
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFreeCertificateContext
CryptStringToBinaryA
PFXImportCertStore
CertAddCertificateContextToStore
CryptDecodeObjectEx
CertGetNameStringA
CertFindExtension
ws2_32
getaddrinfo
freeaddrinfo
recvfrom
sendto
gethostname
ntohl
select
closesocket
recv
__WSAFDIsSet
send
WSAGetLastError
ioctlsocket
bind
connect
getpeername
getsockname
listen
getsockopt
htons
ntohs
setsockopt
htonl
socket
WSASetLastError
WSAIoctl
WSAStartup
WSACleanup
accept
rpcrt4
UuidToStringA
RpcStringFreeA
UuidCreate
psapi
GetModuleInformation
userenv
UnloadUserProfile
vcruntime140_1
__CxxFrameHandler4
vcruntime140
strstr
memset
strrchr
_local_unwind
__std_terminate
memmove
memcpy
memcmp
__C_specific_handler
__std_exception_destroy
__current_exception
__std_exception_copy
strchr
__current_exception_context
memchr
_CxxThrowException
api-ms-win-crt-stdio-l1-1-0
__stdio_common_vfprintf
__stdio_common_vswprintf
fgets
__p__commode
fputc
fflush
fclose
_read
fgetc
_write
_close
_set_fmode
fread
fgetpos
setvbuf
ungetc
_pclose
_popen
__stdio_common_vsprintf
fsetpos
_lseeki64
_open
_get_stream_buffer_pointers
fwrite
_fseeki64
ftell
fseek
feof
__acrt_iob_func
__stdio_common_vsscanf
fputs
fopen
api-ms-win-crt-heap-l1-1-0
malloc
calloc
realloc
free
_set_new_mode
_callnewh
api-ms-win-crt-runtime-l1-1-0
strerror
_invalid_parameter_noinfo_noreturn
__sys_nerr
_invalid_parameter_noinfo
_getpid
_configure_narrow_argv
_initialize_narrow_environment
_register_onexit_function
_crt_atexit
_errno
_cexit
_seh_filter_exe
_set_app_type
exit
_initialize_onexit_table
abort
system
_get_initial_narrow_environment
_initterm
terminate
_beginthreadex
_register_thread_local_exe_atexit_callback
_initterm_e
_exit
__p___argc
_c_exit
__p___argv
_resetstkoflw
api-ms-win-crt-time-l1-1-0
_gmtime64
_time64
api-ms-win-crt-string-l1-1-0
_stricmp
_wcsicmp
tolower
strpbrk
strncpy
_strdup
strcmp
strcspn
strspn
isupper
strncmp
api-ms-win-crt-filesystem-l1-1-0
_stat64
_fstat64
_access
_unlink
_unlock_file
_wremove
remove
_lock_file
api-ms-win-crt-utility-l1-1-0
srand
rand
qsort
api-ms-win-crt-convert-l1-1-0
strtol
atoi
strtoll
strtoull
strtoul
strtod
api-ms-win-crt-locale-l1-1-0
localeconv
___lc_codepage_func
_configthreadlocale
api-ms-win-crt-math-l1-1-0
_dclass
__setusermatherr
shell32
ShellExecuteA
Sections
.text Size: 604KB - Virtual size: 604KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 161KB - Virtual size: 161KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 24KB - Virtual size: 242KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 21KB - Virtual size: 21KB
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: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ