Static task
static1
Behavioral task
behavioral1
Sample
GainFn.exe
Resource
win10v2004-20230915-en
General
-
Target
GainFn.exe
-
Size
756KB
-
MD5
531eb6306f627da82461118c7f335856
-
SHA1
58d269cb72821fdbad7d9f7d3e3a19b6b9a20dff
-
SHA256
41f73cd1b37006755c03b60a8bf320842a56a3eec2d54cc3509af222bda47bdd
-
SHA512
7d59f3a88e73937f07cbaa28383c05c2dfd1263bef673d94e65fb174e831e337a9fdd5427dc14f3b5df75be4e1bb288d68e79bca0cc97a6e4b95f2d693997ac4
-
SSDEEP
12288:N86gbJquqZIN2Cn80puk5Vnc9Rm3viPImnf90fwiQGvnUe/L2d:N86AYubmkfnEEiPI6ef8Gvnxi
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource GainFn.exe
Files
-
GainFn.exe.exe windows x64
0eceffc7cf6fb0ade9dd8725ba2020ee
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
ntdll
VerSetConditionMask
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
ZwQueryValueKey
ZwOpenKey
ZwSetValueKey
ZwClose
ZwCreateKey
dwmapi
DwmExtendFrameIntoClientArea
kernel32
WaitForMultipleObjects
OutputDebugStringW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
CreateEventW
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
GetModuleHandleW
FlushFileBuffers
WideCharToMultiByte
GetFileSizeEx
GetCurrentProcessId
ResetEvent
InitializeCriticalSectionAndSpinCount
UnhandledExceptionFilter
SetEvent
GetModuleHandleA
GetModuleFileNameA
UnmapViewOfFile
MapViewOfFile
CreateFileMappingW
VirtualProtect
GetCurrentProcess
DeleteCriticalSection
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
CreateThread
DeleteFileA
CreateFileA
Sleep
MultiByteToWideChar
VirtualAlloc
GetStdHandle
SetConsoleTitleA
SetConsoleTextAttribute
QueryPerformanceCounter
QueryPerformanceFrequency
GlobalUnlock
GlobalLock
GlobalFree
GlobalAlloc
HeapReAlloc
HeapAlloc
HeapFree
SetLastError
FormatMessageA
LocalFree
EnterCriticalSection
LeaveCriticalSection
SleepEx
GetSystemDirectoryA
FreeLibrary
GetProcAddress
LoadLibraryA
VerifyVersionInfoA
QueryFullProcessImageNameW
GetTickCount
MoveFileExA
WaitForSingleObjectEx
GetEnvironmentVariableA
GetFileType
ReadFile
PeekNamedPipe
HeapDestroy
GetLastError
CloseHandle
CreateFileW
IsDebuggerPresent
user32
MessageBoxA
SetCapture
ClientToScreen
GetCapture
ReleaseCapture
SetCursorPos
GetCursorPos
GetClientRect
OpenClipboard
CloseClipboard
EmptyClipboard
SetCursor
ScreenToClient
GetClipboardData
FindWindowA
GetWindow
DispatchMessageA
SetClipboardData
GetActiveWindow
PostQuitMessage
UnregisterClassA
LoadCursorA
PeekMessageA
RegisterClassExA
mouse_event
TranslateMessage
CreateWindowExA
DefWindowProcA
MoveWindow
GetForegroundWindow
BlockInput
GetWindowLongA
SetWindowLongA
GetAsyncKeyState
ShowWindow
SetWindowPos
DestroyWindow
GetWindowRect
GetKeyState
UpdateWindow
imm32
ImmSetCompositionWindow
ImmReleaseContext
ImmGetContext
msvcp140
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?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
?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
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@I@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@K@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@PEBX@Z
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEAH@Z
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
?good@ios_base@std@@QEBA_NXZ
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
??Bid@locale@std@@QEAA_KXZ
?setf@ios_base@std@@QEAAHHH@Z
?pbase@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?fill@?$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?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
?_Xbad_function_call@std@@YAXXZ
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?epptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?egptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?eback@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?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
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
_Mtx_unlock
_Mtx_init_in_situ
_Mtx_lock
_Mtx_destroy_in_situ
?_Xlength_error@std@@YAXPEBD@Z
?id@?$ctype@D@std@@2V0locale@2@A
?_Throw_C_error@std@@YAXH@Z
?_Xout_of_range@std@@YAXPEBD@Z
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?uncaught_exceptions@std@@YAHXZ
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
?pptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
d3d9
Direct3DCreate9Ex
normaliz
IdnToAscii
wldap32
ord143
ord217
ord46
ord211
ord60
ord45
ord50
ord41
ord22
ord26
ord27
ord32
ord33
ord35
ord79
ord30
ord200
ord301
crypt32
CertOpenStore
CertFreeCertificateChainEngine
CertCloseStore
CertFreeCertificateChain
CertGetCertificateChain
CertEnumCertificatesInStore
CertCreateCertificateChainEngine
CryptQueryObject
CertGetNameStringA
CertFindExtension
CertAddCertificateContextToStore
CryptDecodeObjectEx
PFXImportCertStore
CryptStringToBinaryA
CertFreeCertificateContext
CertFindCertificateInStore
ws2_32
WSASetLastError
socket
WSAStartup
closesocket
WSAIoctl
WSACleanup
accept
recv
send
WSAGetLastError
bind
connect
htonl
getpeername
getsockname
getsockopt
listen
htons
ntohl
gethostname
sendto
recvfrom
freeaddrinfo
getaddrinfo
ntohs
select
__WSAFDIsSet
ioctlsocket
setsockopt
rpcrt4
UuidToStringA
UuidCreate
RpcStringFreeA
psapi
GetModuleInformation
userenv
UnloadUserProfile
vcruntime140_1
__CxxFrameHandler4
vcruntime140
__current_exception
strrchr
strchr
memset
memmove
__C_specific_handler
memcmp
memchr
_CxxThrowException
__std_exception_copy
__std_exception_destroy
__std_terminate
__current_exception_context
memcpy
strstr
api-ms-win-crt-stdio-l1-1-0
__p__commode
__stdio_common_vsprintf
_read
_write
_close
fread
__stdio_common_vsscanf
_open
fflush
_lseeki64
fclose
__acrt_iob_func
fputc
_wfopen
feof
fopen
ftell
fwrite
__stdio_common_vfprintf
fseek
_popen
_pclose
fgets
_set_fmode
fputs
api-ms-win-crt-string-l1-1-0
strncmp
strspn
strncpy
tolower
strpbrk
wcscpy_s
strcspn
strcmp
isupper
_strdup
api-ms-win-crt-utility-l1-1-0
qsort
api-ms-win-crt-heap-l1-1-0
malloc
calloc
realloc
free
_callnewh
_set_new_mode
api-ms-win-crt-convert-l1-1-0
strtod
strtoul
strtol
strtoll
strtoull
atoi
api-ms-win-crt-runtime-l1-1-0
strerror
__sys_nerr
_errno
_register_onexit_function
_invalid_parameter_noinfo
_resetstkoflw
system
_beginthreadex
_getpid
exit
terminate
_configure_narrow_argv
_initialize_narrow_environment
_initialize_onexit_table
_register_thread_local_exe_atexit_callback
_c_exit
__p___argv
__p___argc
_invalid_parameter_noinfo_noreturn
_exit
_initterm_e
_initterm
_get_initial_narrow_environment
_set_app_type
_seh_filter_exe
_cexit
_crt_atexit
api-ms-win-crt-filesystem-l1-1-0
_unlink
_stat64
_fstat64
_access
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
localeconv
api-ms-win-crt-math-l1-1-0
powf
cosf
_dclass
sinf
sqrtf
fmodf
floorf
__setusermatherr
tanf
ceilf
api-ms-win-crt-time-l1-1-0
_time64
_gmtime64
advapi32
CryptEncrypt
IsValidSid
GetTokenInformation
GetLengthSid
AddAccessAllowedAce
OpenProcessToken
SetSecurityInfo
CopySid
ConvertSidToStringSidA
CryptAcquireContextA
CryptReleaseContext
CryptGetHashParam
CryptGenRandom
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptDestroyKey
CryptImportKey
InitializeAcl
shell32
ShellExecuteA
Sections
.text Size: 588KB - Virtual size: 588KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 136KB - Virtual size: 135KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 24KB - Virtual size: 24KB
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: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ