Fluster[.]Installer[.]exe

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General

Target

Fluster.Installer.exe
Size

20KB
MD5

27df5ccea0b000039bae15c64b4eabac
SHA1

36a589b23e25146c5d166ec66085e9dc8b1d02fb
SHA256

927b91a25b3c1087ef3babd0211e2e0ca1136795006fdd711bc9be81cd97ace8
SHA512

8a8fd5f4aeaee436169fa7957aa26f59225acf051fcb192ee19cbbfb9e6fe6a3362efeec3a7540cfba9c88d3e28f55105e675e2729193bd08cf1f0dc038bf85c
SSDEEP

384:1YFC2uxtRWlodUIrGAYIFYYOoeaaRyW2U3mVlrmr:xRs8lvFOYwaaMfU3mV

Score

3^/10

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

8bbc579247df5bd3ebed0fb89c6aeec5

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

IsDebuggerPresent
GetConsoleScreenBufferInfo
SetConsoleTextAttribute
GetStdHandle
GetModuleHandleW
GetSystemTimeAsFileTime
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
InitializeSListHead
RtlCaptureContext
SleepConditionVariableSRW
GetCurrentThreadId

msvcp140

?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
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?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
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ

vcruntime140_1

__CxxFrameHandler4

vcruntime140

_CxxThrowException
__current_exception_context
__std_terminate
__std_exception_copy
__std_exception_destroy
__C_specific_handler
__current_exception
memcpy
memset

api-ms-win-crt-stdio-l1-1-0

_isatty
__p__commode
_fileno
__acrt_iob_func
_set_fmode

api-ms-win-crt-runtime-l1-1-0

_exit
_cexit
_c_exit
_register_thread_local_exe_atexit_callback
exit
_initterm_e
_invalid_parameter_noinfo_noreturn
_initialize_onexit_table
__p___argc
_crt_atexit
_initterm
terminate
_get_initial_narrow_environment
_initialize_narrow_environment
_configure_narrow_argv
system
_register_onexit_function
_seh_filter_exe
_set_app_type
__p___argv

api-ms-win-crt-heap-l1-1-0

_set_new_mode
free
_callnewh
malloc

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

Sections

.text
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1024B - Virtual size: 828B

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: 96B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8bbc579247df5bd3ebed0fb89c6aeec5

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcp140

vcruntime140_1

vcruntime140

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-locale-l1-1-0

Sections

.text Size: 8KB - Virtual size: 8KB

.rdata Size: 8KB - Virtual size: 8KB

.data Size: 512B - Virtual size: 1KB

.pdata Size: 1024B - Virtual size: 828B

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 512B - Virtual size: 96B

.text
Size: 8KB - Virtual size: 8KB

.rdata
Size: 8KB - Virtual size: 8KB

.data
Size: 512B - Virtual size: 1KB

.pdata
Size: 1024B - Virtual size: 828B

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 512B - Virtual size: 96B