Static task
static1
Behavioral task
behavioral1
Sample
Fluster.Installer.exe
Resource
win10v2004-20231020-en
General
-
Target
Fluster.Installer.exe
-
Size
50KB
-
MD5
34a86d6210691332d17bb6a56c3bc0cc
-
SHA1
4a803d1ccf1865f98b1d45f391089316a9506d10
-
SHA256
374b1dede27caa6bc1ab61fff0efcb7a89aa212ac5c67e9fc55ac241346afffa
-
SHA512
10c02770bff5e99736b2fee1b0199a449349519d92099d47302a219df91af170a07fd68acdeea43bbb1cdc08672212813f86887a82d3526eb0f2a044c14e552e
-
SSDEEP
1536:dx8P8HIbAaT3yeAc0ZdfaaLRKOqikN1+iF:Hg8HIJCxZdfaad++iF
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Fluster.Installer.exe
Files
-
Fluster.Installer.exe.exe windows:6 windows x64
c53433b7abd188ffca92a211dfee78a7
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
wininet
InternetCloseHandle
InternetReadFile
InternetOpenW
HttpQueryInfoW
InternetOpenUrlA
kernel32
IsDebuggerPresent
GetConsoleScreenBufferInfo
SetConsoleTextAttribute
GetStdHandle
MoveFileA
WaitForSingleObject
GetLastError
DeleteFileW
GetModuleHandleW
CreateProcessW
CreateDirectoryA
FindFirstFileA
FindNextFileA
FindClose
GetFileAttributesA
DeleteFileA
RemoveDirectoryA
GetCurrentThreadId
WakeAllConditionVariable
AcquireSRWLockExclusive
CloseHandle
ReleaseSRWLockExclusive
SleepConditionVariableSRW
RtlCaptureContext
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
InitializeSListHead
RtlVirtualUnwind
RtlLookupFunctionEntry
GetSystemTimeAsFileTime
advapi32
FreeSid
CheckTokenMembership
AllocateAndInitializeSid
shell32
ShellExecuteW
msvcp140
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?iword@ios_base@std@@QEAAAEAJH@Z
?xalloc@ios_base@std@@SAHXZ
?good@ios_base@std@@QEBA_NXZ
_Query_perf_frequency
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?_Xout_of_range@std@@YAXPEBD@Z
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?setprecision@std@@YA?AU?$_Smanip@_J@1@_J@Z
_Thrd_sleep
_Query_perf_counter
_Xtime_get_ticks
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
??1?$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?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAVios_base@1@AEAV21@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@N@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
??7ios_base@std@@QEBA_NXZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?_Xlength_error@std@@YAXPEBD@Z
?cerr@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?uncaught_exception@std@@YA_NXZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?clog@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
??Bid@locale@std@@QEAA_KXZ
vcruntime140_1
__CxxFrameHandler4
vcruntime140
_CxxThrowException
__C_specific_handler
__current_exception
__std_exception_copy
__std_exception_destroy
__current_exception_context
memmove
__std_terminate
memcpy
memset
api-ms-win-crt-stdio-l1-1-0
fgetc
ungetc
fclose
fflush
setvbuf
fwrite
fputc
fsetpos
_fileno
_isatty
__acrt_iob_func
__p__commode
_set_fmode
_get_stream_buffer_pointers
_fseeki64
fread
fgetpos
api-ms-win-crt-runtime-l1-1-0
_seh_filter_exe
_c_exit
_register_thread_local_exe_atexit_callback
_set_app_type
_exit
exit
_initialize_onexit_table
_register_onexit_function
__p___argv
_crt_atexit
_initterm_e
terminate
_invalid_parameter_noinfo_noreturn
_initterm
_get_initial_narrow_environment
_initialize_narrow_environment
_configure_narrow_argv
__p___argc
system
_cexit
api-ms-win-crt-heap-l1-1-0
malloc
_callnewh
_set_new_mode
free
api-ms-win-crt-string-l1-1-0
wcscpy_s
api-ms-win-crt-filesystem-l1-1-0
_lock_file
_unlock_file
_stat64i32
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
Sections
.text Size: 26KB - Virtual size: 26KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 18KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 2KB - Virtual size: 1KB
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: 512B - Virtual size: 164B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ