Static task
static1
Behavioral task
behavioral1
Sample
BaffLoader.exe
Resource
win10v2004-20231023-en
General
-
Target
BaffLoader.exe
-
Size
639KB
-
MD5
de6eb777a721e8113faa342b51188564
-
SHA1
1b642b90d677da09ef90dba28b458bf667365754
-
SHA256
d4beb91ac337e80c7b3bed086e7ea6a87582585fdc0cfe14b167720946bc67e2
-
SHA512
241fd4c81bd3794a73b0371839e0c6e7f341e6ce8b12a47992ebfdeef16f3bd58a39e9253805121e60921627689e0695f64215f6f1acacc157fbf29fed6a0aea
-
SSDEEP
12288:rGzLjAdIKHAE0X8H74vSukNPILjLJtiQwORvVRLg:MLjAdIK50Xmhukt0jmwvVR
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource BaffLoader.exe
Files
-
BaffLoader.exe.exe windows:6 windows x64
6abb575f6070bcd433be69d2c1a5bcaf
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
FormatMessageA
EnterCriticalSection
LeaveCriticalSection
SleepEx
QueryPerformanceFrequency
GetSystemDirectoryA
FreeLibrary
VerifyVersionInfoA
QueryPerformanceCounter
GetTickCount
MoveFileExA
WaitForSingleObjectEx
GetEnvironmentVariableA
GetStdHandle
GetFileType
ReadFile
PeekNamedPipe
WaitForMultipleObjects
CreateFileA
GetFileSizeEx
HeapSize
GetLocaleInfoEx
SetCurrentDirectoryW
InitializeCriticalSectionEx
HeapFree
Process32Next
Process32First
CreateToolhelp32Snapshot
K32GetDeviceDriverBaseNameA
K32EnumDeviceDrivers
LoadLibraryA
OpenProcess
TerminateProcess
GetCurrentProcess
CloseHandle
WideCharToMultiByte
MultiByteToWideChar
GetConsoleWindow
SetConsoleTitleA
GetProcAddress
GetModuleHandleA
GetModuleFileNameA
SetLastError
GetCurrentThread
Sleep
RtlLookupFunctionEntry
lstrcmpiA
VerifyVersionInfoW
LocalFree
WinExec
GetProcessHeap
DeleteCriticalSection
HeapDestroy
HeapAlloc
CreateThread
VerSetConditionMask
HeapReAlloc
OutputDebugStringW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
IsDebuggerPresent
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
CreateEventW
ResetEvent
SetEvent
InitializeCriticalSectionAndSpinCount
GetModuleHandleW
AreFileApisANSI
GetLastError
user32
ShowWindow
MessageBoxA
GetSystemMetrics
advapi32
LookupPrivilegeValueA
AdjustTokenPrivileges
GetTokenInformation
GetUserNameA
GetLengthSid
IsValidSid
CopySid
ConvertSidToStringSidA
CryptAcquireContextA
CryptReleaseContext
CryptGetHashParam
CryptGenRandom
CryptCreateHash
CryptEncrypt
CryptImportKey
CryptDestroyKey
CryptDestroyHash
CryptHashData
OpenProcessToken
shell32
ShellExecuteA
oleaut32
VariantClear
msvcp140
?tie@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_ostream@DU?$char_traits@D@std@@@2@XZ
?rdbuf@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_streambuf@DU?$char_traits@D@std@@@2@XZ
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADXZ
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
??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
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEAH@Z
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?id@?$ctype@D@std@@2V0locale@2@A
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
??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
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAPEAD0PEAH001@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?_Pnavail@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBA_JXZ
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?pbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z
?_Gnavail@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBA_JXZ
?_Gninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?_Gndec@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?epptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?setg@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?gbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z
?egptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?pptr@?$basic_streambuf@DU?$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
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
?width@ios_base@std@@QEAA_J_J@Z
?width@ios_base@std@@QEBA_JXZ
?flags@ios_base@std@@QEBAHXZ
?good@ios_base@std@@QEBA_NXZ
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?always_noconv@codecvt_base@std@@QEBA_NXZ
??Bid@locale@std@@QEAA_KXZ
?_Winerror_map@std@@YAHH@Z
?_Syserror_map@std@@YAPEBDH@Z
?_Throw_Cpp_error@std@@YAXH@Z
?_Throw_C_error@std@@YAXH@Z
_Cnd_do_broadcast_at_thread_exit
_Thrd_sleep
_Thrd_detach
_Query_perf_frequency
_Query_perf_counter
_Xtime_get_ticks
?_Xout_of_range@std@@YAXPEBD@Z
?uncaught_exception@std@@YA_NXZ
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?_Xbad_function_call@std@@YAXXZ
?_Xlength_error@std@@YAXPEBD@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
psapi
GetModuleInformation
ws2_32
htonl
accept
WSACleanup
ioctlsocket
WSAIoctl
WSASetLastError
socket
setsockopt
ntohs
listen
htons
getsockopt
__WSAFDIsSet
select
getsockname
getpeername
connect
bind
getaddrinfo
WSAGetLastError
send
freeaddrinfo
recv
closesocket
ntohl
gethostname
sendto
WSAStartup
recvfrom
ntdll
RtlCaptureContext
RtlVirtualUnwind
normaliz
IdnToAscii
wldap32
ord33
ord79
ord30
ord200
ord143
ord217
ord46
ord211
ord301
ord60
ord45
ord32
ord50
ord27
ord26
ord22
ord41
ord35
crypt32
CertFindCertificateInStore
CertFreeCertificateContext
CryptStringToBinaryA
PFXImportCertStore
CryptDecodeObjectEx
CertAddCertificateContextToStore
CertEnumCertificatesInStore
CertGetNameStringA
CryptQueryObject
CertCreateCertificateChainEngine
CertFreeCertificateChainEngine
CertOpenStore
CertGetCertificateChain
CertFreeCertificateChain
CertFindExtension
CertCloseStore
userenv
UnloadUserProfile
vcruntime140
__C_specific_handler
__current_exception
strstr
strrchr
__current_exception_context
strchr
memset
__std_exception_copy
__std_exception_destroy
_CxxThrowException
memchr
memcmp
memmove
memcpy
__std_terminate
vcruntime140_1
__CxxFrameHandler4
api-ms-win-crt-stdio-l1-1-0
_fseeki64
fwrite
_open
ftell
fseek
setvbuf
feof
_close
_read
__stdio_common_vsscanf
fputs
ungetc
__acrt_iob_func
fsetpos
fflush
fread
__p__commode
_lseeki64
_popen
_set_fmode
fgets
_pclose
fputc
__stdio_common_vsprintf
fgetpos
_write
fclose
fopen
_get_stream_buffer_pointers
fgetc
api-ms-win-crt-runtime-l1-1-0
system
_configure_narrow_argv
_initialize_narrow_environment
_initialize_onexit_table
_register_onexit_function
_crt_atexit
_cexit
_seh_filter_exe
_set_app_type
abort
_get_initial_narrow_environment
_initterm
_initterm_e
_exit
_errno
__p___argc
__p___argv
_c_exit
_register_thread_local_exe_atexit_callback
_getpid
_resetstkoflw
_invalid_parameter_noinfo
strerror
__sys_nerr
terminate
exit
raise
_beginthreadex
_invalid_parameter_noinfo_noreturn
api-ms-win-crt-heap-l1-1-0
_set_new_mode
malloc
_callnewh
free
realloc
calloc
api-ms-win-crt-string-l1-1-0
strncmp
isupper
strcat_s
strpbrk
strncpy
strcmp
_strdup
strcspn
strspn
tolower
api-ms-win-crt-utility-l1-1-0
rand
srand
qsort
api-ms-win-crt-convert-l1-1-0
strtoul
atoi
strtoull
strtol
strtod
strtoll
api-ms-win-crt-filesystem-l1-1-0
_stat64
_fstat64
_unlink
_unlock_file
_lock_file
rename
_access
api-ms-win-crt-time-l1-1-0
_time64
_gmtime64
strftime
_localtime64_s
api-ms-win-crt-locale-l1-1-0
localeconv
_configthreadlocale
setlocale
___lc_codepage_func
api-ms-win-crt-math-l1-1-0
_dclass
ceilf
__setusermatherr
Sections
.text Size: 478KB - Virtual size: 478KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 111KB - Virtual size: 111KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 6KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 19KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 21KB - Virtual size: 20KB
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