Static task
static1
Behavioral task
behavioral1
Sample
Bootstrap.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Bootstrap.exe
Resource
win10v2004-20240802-en
General
-
Target
Bootstrap.exe
-
Size
2.4MB
-
MD5
4797c84aaa59cc7122e3f6828d80139e
-
SHA1
eb88d2017ce096cbcfafea1136dae41957c205d4
-
SHA256
7a75a0dd080a504557aaa0c0c1119b8a2cfffdad8f118b99ef6918f56f70c4c5
-
SHA512
95fc787f9f98a20b681f082efe7a3c443939ff03b396bffb72091b37c691d9e1e56ff35ce4167743b3c91026f2371ac3ef2635eb9f3d8905ee6aa33503de79fa
-
SSDEEP
49152:PueJV2RqtKxTtmb8DSup1gagYrJ2fSQV2Gh6DPkIKlLV5x+y:KdTtmb8D7jga7rJ6xvCPkICbx+y
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Bootstrap.exe
Files
-
Bootstrap.exe.exe windows:6 windows x64 arch:x64
Password: infected
11a1370777f10b085fb85ffabbecf567
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
WriteProcessMemory
VirtualFreeEx
GetProcAddress
LoadLibraryA
GetFileSizeEx
CreateFile2
ExitProcess
OpenProcess
UnmapViewOfFile
CreateFileMappingFromApp
MapViewOfFileFromApp
CreateFileA
DeviceIoControl
GetCurrentProcessId
GetCurrentThreadId
FreeLibrary
VirtualAlloc
VirtualFree
GetCurrentDirectoryA
CreateDirectoryA
GetFileAttributesExA
SetLastError
TerminateProcess
CreateProcessA
GetModuleFileNameA
GetModuleHandleW
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
ReadProcessMemory
InitializeSListHead
VirtualProtectEx
QueryPerformanceCounter
VirtualAllocEx
CreateRemoteThread
GetExitCodeProcess
Sleep
RtlAddFunctionTable
WideCharToMultiByte
LocalFree
GetCurrentProcess
DeleteCriticalSection
InitializeCriticalSectionEx
GetProcessHeap
HeapSize
HeapFree
HeapReAlloc
HeapAlloc
HeapDestroy
GetLastError
IsProcessorFeaturePresent
GetStartupInfoW
SetUnhandledExceptionFilter
UnhandledExceptionFilter
WakeAllConditionVariable
OutputDebugStringW
IsDebuggerPresent
MultiByteToWideChar
GetFileInformationByHandleEx
AreFileApisANSI
GetTempPathW
SetFileInformationByHandle
GetFullPathNameW
GetFileAttributesExW
GetFileAttributesW
FindFirstFileW
CloseHandle
GetSystemTimeAsFileTime
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
SleepConditionVariableSRW
FormatMessageA
GetLocaleInfoEx
CreateFileW
FindClose
user32
MessageBoxA
advapi32
RegOpenKeyExW
CopySid
GetLengthSid
RegOpenKeyA
RegDeleteKeyA
RegCreateKeyA
LookupPrivilegeValueW
AdjustTokenPrivileges
RegSetValueExW
RegSetValueExA
GetTokenInformation
RegOpenKeyExA
RegCloseKey
ConvertSidToStringSidW
IsValidSid
OpenProcessToken
ole32
CoInitializeSecurity
CoCreateInstance
CoUninitialize
CoSetProxyBlanket
StringFromGUID2
CoInitializeEx
oleaut32
VariantClear
SysFreeString
SysAllocString
libcurl
curl_easy_init
curl_global_cleanup
curl_easy_perform
curl_free
curl_easy_escape
curl_easy_cleanup
curl_global_init
curl_easy_setopt
libcrypto-3-x64
EVP_DecryptFinal_ex
EVP_DecryptUpdate
EVP_DecryptInit_ex
EVP_CIPHER_CTX_new
EVP_CIPHER_CTX_free
EVP_aes_256_cbc
ERR_print_errors_fp
msvcp140
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?eback@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?pbase@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?pptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?egptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?epptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD0@Z
?setp@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?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
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAADD@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@P6AAEAVios_base@1@AEAV21@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?setw@std@@YA?AU?$_Smanip@_J@1@_J@Z
?imbue@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAXAEBVlocale@2@@Z
?sync@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?setbuf@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAPEAV12@PEAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?uflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?_Unlock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
?_Lock@?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAAXXZ
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
?_Xinvalid_argument@std@@YAXPEBD@Z
?__ExceptionPtrCreate@@YAXPEAX@Z
?__ExceptionPtrDestroy@@YAXPEAX@Z
?__ExceptionPtrCopy@@YAXPEAXPEBX@Z
?__ExceptionPtrCurrentException@@YAXPEAX@Z
_Query_perf_counter
_Query_perf_frequency
_Thrd_join
_Thrd_hardware_concurrency
_Thrd_id
_Mtx_lock
_Mtx_unlock
_Cnd_init_in_situ
_Cnd_destroy_in_situ
_Cnd_wait
_Cnd_broadcast
_Cnd_signal
_Cnd_do_broadcast_at_thread_exit
?_Throw_Cpp_error@std@@YAXH@Z
_Strcoll
_Strxfrm
??0_Locinfo@std@@QEAA@PEBD@Z
??1_Locinfo@std@@QEAA@XZ
?_Getcoll@_Locinfo@std@@QEBA?AU_Collvec@@XZ
?c_str@?$_Yarn@D@std@@QEBAPEBDXZ
??Bid@locale@std@@QEAA_KXZ
??0facet@locale@std@@IEAA@_K@Z
??1facet@locale@std@@MEAA@XZ
?_Init@locale@std@@CAPEAV_Locimp@12@_N@Z
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?is@?$ctype@D@std@@QEBA_NFD@Z
?tolower@?$ctype@D@std@@QEBADD@Z
?tolower@?$ctype@D@std@@QEBAPEBDPEADPEBD@Z
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@_J@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@_K@Z
??_D?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
??0?$basic_iostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@@Z
??1?$basic_iostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Xbad_function_call@std@@YAXXZ
?_Xregex_error@std@@YAXW4error_type@regex_constants@1@@Z
?_Incref@facet@locale@std@@UEAAXXZ
?_Decref@facet@locale@std@@UEAAPEAV_Facet_base@3@XZ
?seekpos@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA?AV?$fpos@U_Mbstatet@@@2@V32@H@Z
?seekoff@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA?AV?$fpos@U_Mbstatet@@@2@_JHH@Z
?underflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHXZ
?pbackfail@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHH@Z
?overflow@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAAHH@Z
?id@?$ctype@D@std@@2V0locale@2@A
?id@?$collate@D@std@@2V0locale@2@A
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@K@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Syserror_map@std@@YAPEBDH@Z
?_Winerror_map@std@@YAHH@Z
?always_noconv@codecvt_base@std@@QEBA_NXZ
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?_Gndec@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?_Gninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?_Gnavail@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBA_JXZ
?pbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z
?_Pnavail@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBA_JXZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAPEAD0PEAH001@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
??7ios_base@std@@QEBA_NXZ
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEAD_J@Z
?seekg@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@_JH@Z
?tellg@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA?AV?$fpos@U_Mbstatet@@@2@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?width@ios_base@std@@QEAA_J_J@Z
?width@ios_base@std@@QEBA_JXZ
?setf@ios_base@std@@QEAAHHH@Z
?flags@ios_base@std@@QEBAHXZ
?good@ios_base@std@@QEBA_NXZ
?uncaught_exceptions@std@@YAHXZ
?_Random_device@std@@YAIXZ
?_Xout_of_range@std@@YAXPEBD@Z
?_Xlength_error@std@@YAXPEBD@Z
?_Xbad_alloc@std@@YAXXZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?setg@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
userenv
UnloadUserProfile
ws2_32
getaddrinfo
WSACleanup
getnameinfo
bind
inet_ntop
freeaddrinfo
WSAStartup
WSAAccept
socket
shutdown
setsockopt
closesocket
getpeername
getsockname
listen
ntohs
recv
select
send
WSASocketW
iphlpapi
GetAdaptersAddresses
GetIpNetTable
DeleteIpNetEntry
ntdll
RtlVirtualUnwind
RtlLookupFunctionEntry
NtQuerySystemInformation
NtLoadDriver
RtlInitAnsiString
NtUnloadDriver
RtlAnsiStringToUnicodeString
RtlCaptureContext
dbghelp
SymGetTypeFromName
SymGetTypeInfo
SymFromName
SymUnloadModule64
SymCleanup
SymInitialize
SymSetOptions
SymLoadModuleEx
urlmon
URLDownloadToFileA
vcruntime140
memset
__std_exception_copy
__current_exception_context
__current_exception
__C_specific_handler
__std_terminate
strstr
strchr
_purecall
memcmp
memchr
memmove
_CxxThrowException
memcpy
__std_exception_destroy
vcruntime140_1
__CxxFrameHandler4
api-ms-win-crt-runtime-l1-1-0
_get_narrow_winmain_command_line
terminate
_errno
_register_thread_local_exe_atexit_callback
_c_exit
_exit
system
_invalid_parameter_noinfo_noreturn
exit
_initterm_e
abort
_initterm
_beginthreadex
_resetstkoflw
_configure_narrow_argv
_initialize_narrow_environment
_initialize_onexit_table
_register_onexit_function
_crt_atexit
_cexit
_seh_filter_exe
_set_app_type
_invalid_parameter_noinfo
api-ms-win-crt-heap-l1-1-0
_recalloc
_callnewh
_set_new_mode
malloc
realloc
free
calloc
api-ms-win-crt-stdio-l1-1-0
fread
__acrt_iob_func
fclose
ungetc
_set_fmode
setvbuf
fwrite
_fseeki64
fsetpos
__p__commode
_get_stream_buffer_pointers
fputc
fflush
fgetc
fgetpos
__stdio_common_vsprintf
api-ms-win-crt-string-l1-1-0
strlen
wcscmp
_wcsicmp
wcslen
tolower
isdigit
strncmp
strcmp
api-ms-win-crt-utility-l1-1-0
srand
rand
api-ms-win-crt-time-l1-1-0
_time64
api-ms-win-crt-math-l1-1-0
__setusermatherr
ceilf
api-ms-win-crt-convert-l1-1-0
_itoa_s
strtoull
wcstombs_s
strtoul
strtoll
api-ms-win-crt-filesystem-l1-1-0
_unlock_file
_access_s
_lock_file
api-ms-win-crt-environment-l1-1-0
getenv
api-ms-win-crt-locale-l1-1-0
___lc_codepage_func
_configthreadlocale
Sections
.text Size: 376KB - Virtual size: 375KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 75KB - Virtual size: 75KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 68KB - Virtual size: 75KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 30KB - Virtual size: 30KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1.8MB - Virtual size: 5.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE