Static task
static1
Behavioral task
behavioral1
Sample
bootstrapper.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
bootstrapper.exe
Resource
win10v2004-20231215-en
General
-
Target
bootstrapper.exe
-
Size
16.3MB
-
MD5
5a5cda45a050488ec6b2cc7d5fae109b
-
SHA1
c86c31b02d90499580823e2f4d6cab62373a2a28
-
SHA256
cba0de01e0f8c810e8e746da1043f63745bfe2904b96bcad45a341540b05ea1e
-
SHA512
333954dede8d0d7e516e44616a1c96ad987ba2130cbce6b97af8c1f5f86dcc5fbed87f0370d60d14002c3703286c35d84f8e7bf3add0e08130e879a330885303
-
SSDEEP
196608:O54BQyP9Cd61OWL6mFckDkMypqyo5Czpbn+PC1E60:O54a161OWIMyw3c+PIE60
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource bootstrapper.exe
Files
-
bootstrapper.exe.exe windows:6 windows x64 arch:x64
07c2d147105060b7284e14b44a977958
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
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
CreateEventW
ResetEvent
SetEvent
InitializeCriticalSectionAndSpinCount
GetCurrentProcessId
CreateFileA
GetExitCodeProcess
PeekNamedPipe
ReadFile
GetFileType
GetStdHandle
GetEnvironmentVariableA
WaitForSingleObjectEx
SetThreadContext
GetConsoleWindow
MoveFileExA
GetTickCount
VerifyVersionInfoA
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
GetFileSizeEx
FreeLibrary
GetSystemDirectoryA
SleepEx
LeaveCriticalSection
EnterCriticalSection
FormatMessageA
SetLastError
LocalFree
GetProcessHeap
DeleteCriticalSection
HeapDestroy
HeapAlloc
CreateThread
HeapReAlloc
GetLastError
Sleep
HeapSize
InitializeCriticalSectionEx
GetCurrentProcess
HeapFree
GetModuleFileNameA
OutputDebugStringW
CreateProcessW
VirtualAllocEx
GetThreadContext
CloseHandle
GetModuleHandleA
ResumeThread
WaitForSingleObject
MultiByteToWideChar
GetModuleFileNameW
TerminateProcess
VirtualProtect
WriteProcessMemory
QueryPerformanceCounter
GetModuleHandleW
VerSetConditionMask
GetProcAddress
QueryPerformanceFrequency
LoadLibraryA
WideCharToMultiByte
WaitForMultipleObjects
user32
MessageBoxA
msvcp140
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?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
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?_Xout_of_range@std@@YAXPEBD@Z
?_Xbad_function_call@std@@YAXXZ
??Bid@locale@std@@QEAA_KXZ
?_Getcat@?$ctype@D@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?getloc@ios_base@std@@QEBA?AVlocale@2@XZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
_Xtime_get_ticks
_Query_perf_counter
_Thrd_sleep
?_Random_device@std@@YAIXZ
?id@?$ctype@D@std@@2V0locale@2@A
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
_Query_perf_frequency
?_Xlength_error@std@@YAXPEBD@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
normaliz
IdnToAscii
wldap32
ord45
ord50
ord60
ord200
ord30
ord79
ord41
ord143
ord22
ord35
ord33
ord217
ord46
ord211
ord32
ord26
ord27
ord301
crypt32
CertFreeCertificateChainEngine
CertCreateCertificateChainEngine
CryptQueryObject
CertGetNameStringA
CertGetCertificateChain
CertFindExtension
CertAddCertificateContextToStore
CryptDecodeObjectEx
PFXImportCertStore
CertOpenStore
CryptStringToBinaryA
CertFreeCertificateContext
CertFindCertificateInStore
CertEnumCertificatesInStore
CertCloseStore
CertFreeCertificateChain
ws2_32
htonl
accept
WSACleanup
ioctlsocket
WSAIoctl
WSASetLastError
socket
setsockopt
ntohs
htons
getsockopt
getsockname
__WSAFDIsSet
connect
select
bind
getaddrinfo
freeaddrinfo
recvfrom
sendto
gethostname
WSAGetLastError
send
recv
ntohl
closesocket
listen
WSAStartup
getpeername
psapi
GetModuleInformation
userenv
UnloadUserProfile
vcruntime140_1
__CxxFrameHandler4
vcruntime140
memchr
memcmp
memmove
strrchr
memset
__current_exception
__C_specific_handler
__std_exception_copy
__std_exception_destroy
strchr
strstr
__std_terminate
_CxxThrowException
__current_exception_context
memcpy
api-ms-win-crt-stdio-l1-1-0
fgets
feof
fputs
fopen
__p__commode
_lseeki64
__stdio_common_vsprintf
_set_fmode
fread
__stdio_common_vsscanf
_get_stream_buffer_pointers
_fseeki64
fsetpos
ungetc
setvbuf
fgetpos
ftell
_open
_read
fgetc
__acrt_iob_func
fputc
_write
_close
fflush
__stdio_common_vfprintf
fclose
fseek
fwrite
api-ms-win-crt-string-l1-1-0
isupper
strspn
_strdup
strcspn
strcmp
strpbrk
strncmp
strncpy
tolower
api-ms-win-crt-utility-l1-1-0
qsort
srand
rand
api-ms-win-crt-heap-l1-1-0
_callnewh
realloc
calloc
_set_new_mode
malloc
free
api-ms-win-crt-convert-l1-1-0
strtoul
strtoull
strtoll
strtod
atoi
strtol
api-ms-win-crt-runtime-l1-1-0
exit
_errno
_initterm_e
abort
_register_thread_local_exe_atexit_callback
_invalid_parameter_noinfo_noreturn
_initterm
_get_initial_narrow_environment
_exit
_set_app_type
_seh_filter_exe
_c_exit
_cexit
_crt_atexit
_register_onexit_function
_initialize_onexit_table
_initialize_narrow_environment
_configure_narrow_argv
terminate
_resetstkoflw
__p___argv
_invalid_parameter_noinfo
_getpid
system
strerror
_beginthreadex
__sys_nerr
__p___argc
api-ms-win-crt-time-l1-1-0
_time64
_gmtime64
api-ms-win-crt-math-l1-1-0
log2f
ceilf
__setusermatherr
_dclass
api-ms-win-crt-filesystem-l1-1-0
_lock_file
_unlock_file
remove
_stat64
_fstat64
_access
_unlink
api-ms-win-crt-locale-l1-1-0
localeconv
_configthreadlocale
advapi32
CryptHashData
CryptDestroyHash
CryptDestroyKey
CryptImportKey
CryptEncrypt
CryptGenRandom
CryptGetHashParam
CryptReleaseContext
CryptAcquireContextA
ConvertSidToStringSidA
CopySid
IsValidSid
OpenProcessToken
GetLengthSid
GetTokenInformation
CryptCreateHash
shell32
ShellExecuteA
Sections
.text Size: 415KB - Virtual size: 415KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 117KB - Virtual size: 116KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 17KB - Virtual size: 17KB
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: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.vlizer Size: 15.8MB - Virtual size: 15.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE