customflowv2[.]dll

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General

Target

customflowv2.dll
Size

3.9MB
MD5

3ac33421d5bbad17757a43bb4d331e31
SHA1

0912b3ffcdd500cce5776ad6734eba7f2eab86ee
SHA256

016cf922998a530b78fbc0253de384684664f98390cab33e635c8b81f877b180
SHA512

29b451673699ef5e160947b9cbe3aed2f4450c66b608e0fb44fee3b532fbc64bb13634bf4dc9b8990768079fcab13d966cbf4b97834c73be76945a62e68cadd6
SSDEEP

49152:BEqWR/E5IjfYX2O8ST8SjM7y78yufQvtQcmYDsbP26kwOFApTBHY:BEqWR/E5ITw2O8HSjM7y77uwFA

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
customflowv2.dll

Files

customflowv2.dll
.dll windows:6 windows x86 arch:x86

81c04c443a243f59b1e858a302d74bb7

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

GetLastError
GetFileAttributesA
CreateDirectoryA
lstrcpyA
FindFirstFileA
FindNextFileA
GetFullPathNameA
FindClose
GetModuleFileNameA
WideCharToMultiByte
GetCurrentProcess
VirtualQueryEx
ReadProcessMemory
WriteProcessMemory
GetModuleFileNameW
lstrlenW
MultiByteToWideChar
CreateFileW
ReadFile
WriteFile
CloseHandle
PeekNamedPipe
WaitNamedPipeW
GetCurrentProcessId
FormatMessageA
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
IsDebuggerPresent
GetProcAddress
QueryPerformanceFrequency
CreateEventW
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsProcessorFeaturePresent
GetFileInformationByHandleEx
LoadLibraryW
GlobalUnlock
GlobalLock
GlobalFree
GlobalAlloc
VirtualProtect
GetFileAttributesExW
QueryPerformanceCounter
GetTickCount64
GetModuleHandleW
VirtualAlloc
AreFileApisANSI
LocalFree

user32

GetAsyncKeyState
GetKeyState
ClientToScreen
IsChild
GetForegroundWindow
GetCapture
SetCursor
GetClientRect
ReleaseCapture
SetCursorPos
GetCursorPos
OpenClipboard
SetCapture
ScreenToClient
CallWindowProcA
SetClipboardData
GetClipboardData
EmptyClipboard
CloseClipboard
LoadCursorA

advapi32

RegCreateKeyExW
RegOpenKeyExW
RegSetValueExW
RegQueryValueExW
RegCloseKey

shell32

ShellExecuteA

msvcp140

?_Xout_of_range@std@@YAXPBD@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Fiopen@std@@YAPAU_iobuf@@PBDHH@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SAIPAPBVfacet@locale@2@PBV42@@Z
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QBE?AVlocale@2@XZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHD@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PAD1AAPAD@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAE@XZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAEXXZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEXXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@XZ
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QAE@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PBD1AAPBDPAD3AAPAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QBEHAAU_Mbstatet@@PBD1AAPBDPAD3AAPAD@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAE_JPBD_J@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IAEPADXZ
?uncaught_exceptions@std@@YAHXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEXH_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IAE@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QAE@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAE@XZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UAEXXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAE_JPBD_J@Z
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEPAV12@PAD_J@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEHXZ
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MAEXABVlocale@2@@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UAE@XZ
?copyfmt@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEAAV12@ABV12@@Z
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QAEDD@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UAE@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@H@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@PBD_J@Z
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UAE@XZ
?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV12@PAD_J@Z
?seekg@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV12@_JH@Z
?tellg@?$basic_istream@DU?$char_traits@D@std@@@std@@QAE?AV?$fpos@U_Mbstatet@@@2@XZ
?setf@ios_base@std@@QAEHHH@Z
?good@ios_base@std@@QBE_NXZ
?always_noconv@codecvt_base@std@@QBE_NXZ
??Bid@locale@std@@QAEIXZ
?_Init@locale@std@@CAPAV_Locimp@12@_N@Z
?id@?$numpunct@D@std@@2V0locale@2@A
_Xtime_get_ticks
??1facet@locale@std@@MAE@XZ
??0facet@locale@std@@IAE@I@Z
?_Decref@facet@locale@std@@UAEPAV_Facet_base@3@XZ
?_Incref@facet@locale@std@@UAEXXZ
?_Gettrue@_Locinfo@std@@QBEPBDXZ
?_Getfalse@_Locinfo@std@@QBEPBDXZ
?_Getlconv@_Locinfo@std@@QBEPBUlconv@@XZ
??1_Locinfo@std@@QAE@XZ
??0_Locinfo@std@@QAE@PBD@Z
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QAE@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UAE@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@PBX@Z
_Query_perf_frequency
_Cnd_do_broadcast_at_thread_exit
_Thrd_sleep
_Query_perf_counter
_Thrd_detach
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QAE_N_N@Z
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QAEHXZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@PAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
?id@?$ctype@D@std@@2V0locale@2@A
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@_N@Z
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV01@AAH@Z
?getloc@ios_base@std@@QBE?AVlocale@2@XZ
?_Getcat@?$ctype@D@std@@SAIPAPBVfacet@locale@2@PBV42@@Z
?_Winerror_map@std@@YAHH@Z
?id@?$time_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@2V0locale@2@A
?_Getcat@?$time_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@SAIPAPBVfacet@locale@2@PBV42@@Z
?put@?$time_put@DV?$ostreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@QBE?AV?$ostreambuf_iterator@DU?$char_traits@D@std@@@2@V32@AAVios_base@2@DPBUtm@@PBD3@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QBEDD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@P6AAAV01@AAV01@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@P6AAAVios_base@1@AAV21@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@I@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV01@_K@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@D@Z
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
_Thrd_start
_Mtx_init
_Mtx_destroy
_Mtx_current_owns
_Cnd_init
_Cnd_destroy
_Cnd_timedwait
??0_Lockit@std@@QAE@H@Z
??1_Lockit@std@@QAE@XZ
?_Getcvt@_Locinfo@std@@QBE?AU_Cvtvec@@XZ
_Cnd_destroy_in_situ
_Cnd_broadcast
_Mtx_unlock
_Thrd_join
_Thrd_id
_Cnd_wait
_Mtx_init_in_situ
_Mtx_lock
_Mtx_destroy_in_situ
?_Syserror_map@std@@YAPBDH@Z
?_Xlength_error@std@@YAXPBD@Z
?_Throw_C_error@std@@YAXH@Z
?_Xbad_function_call@std@@YAXXZ
?_Xbad_alloc@std@@YAXXZ
?_Throw_Cpp_error@std@@YAXH@Z
_Cnd_init_in_situ
_Cnd_signal
?_Getgloballocale@locale@std@@CAPAV_Locimp@12@XZ

d3dx9_43

D3DXCreateTextureFromFileInMemory

winmm

PlaySoundA

imm32

ImmGetContext
ImmSetCompositionWindow
ImmReleaseContext

vcruntime140

__std_exception_copy
_purecall
__std_terminate
strstr
__std_type_info_compare
__CxxFrameHandler3
longjmp
memcpy
memmove
memset
memchr
_setjmp3
strrchr
__current_exception
_except_handler4_common
__std_type_info_destroy_list
__std_exception_destroy
__current_exception_context
_CxxThrowException

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

calloc
malloc
_aligned_free
_callnewh
_aligned_malloc
free

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

abort
terminate
_invalid_parameter_noinfo_noreturn
_beginthreadex
_initterm
_initterm_e
_cexit
_crt_atexit
_execute_onexit_table
_register_onexit_function
_initialize_onexit_table
_initialize_narrow_environment
_configure_narrow_argv
_seh_filter_dll

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

fputc
fflush
fopen
__stdio_common_vsprintf_s
fclose
fgetc
fwrite
fgetpos
setvbuf
ungetc
__stdio_common_vswprintf
__stdio_common_vsscanf
__stdio_common_vsprintf
_wfopen
fsetpos
fread
fseek
ftell
__stdio_common_vfprintf
_fseeki64
__acrt_iob_func
_get_stream_buffer_pointers

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

_localtime64
_time64
clock
strftime

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

_unlock_file
_lock_file
remove

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

toupper
strncmp
strncpy
tolower

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

__libm_sse2_atanf
__libm_sse2_cosf
_dsign
modf
_fdsign
__libm_sse2_expf
_ldsign
log2
__libm_sse2_powf
__libm_sse2_sin
__libm_sse2_sinf
_libm_sse2_pow_precise
_dclass
_fdclass
_ldclass
_isnan
_finite
roundf
ceil
_CIfmod

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

qsort
rand

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

strtol
atof
atoll
strtoul

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

localeconv
___lc_codepage_func

Sections

.text
Size: 2.2MB - Virtual size: 2.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 717KB - Virtual size: 717KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 882KB - Virtual size: 14.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 248B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 112KB - Virtual size: 112KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

81c04c443a243f59b1e858a302d74bb7

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

msvcp140

d3dx9_43

winmm

imm32

vcruntime140

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

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

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

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

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

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

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

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

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

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

Sections

.text Size: 2.2MB - Virtual size: 2.2MB

.rdata Size: 717KB - Virtual size: 717KB

.data Size: 882KB - Virtual size: 14.0MB

_RDATA Size: 10KB - Virtual size: 9KB

.rsrc Size: 512B - Virtual size: 248B

.reloc Size: 112KB - Virtual size: 112KB

.text
Size: 2.2MB - Virtual size: 2.2MB

.rdata
Size: 717KB - Virtual size: 717KB

.data
Size: 882KB - Virtual size: 14.0MB

_RDATA
Size: 10KB - Virtual size: 9KB

.rsrc
Size: 512B - Virtual size: 248B

.reloc
Size: 112KB - Virtual size: 112KB