Static task
static1
Behavioral task
behavioral1
Sample
bootim.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
bootim.exe
Resource
win10v2004-20230703-en
General
-
Target
bootim.exe
-
Size
25KB
-
MD5
c31ea91ba21d71bfd1e606745be1973c
-
SHA1
f44e651e269848eb26f589447e37eaaba22b3162
-
SHA256
e233391af22be0e39d8d2e3faeece9d424031ce97dfa9ae3a7a453f2e6f5c5cb
-
SHA512
63feea27b05881103d6647ec5e413c8abe1638508679bce9056d975755667eae6472601b7cc25154c93906cb0d8da41c23db32a9f3e21bfceea73f8d9d819772
-
SSDEEP
768:Zy+J0gV1F9PMaaKYTA31XuY6n2DGGwPx8:8E5DYTS1+Y6sGGwPx8
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource bootim.exe
Files
-
bootim.exe.exe windows x64
518ddf1b5d2eaa775607e0d8b554c455
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
user32
GetSystemMetrics
msvcrt
_wcmdln
_fmode
_XcptFilter
_wtol
_commode
__C_specific_handler
_initterm
_wcsnicmp
wcschr
memset
_lock
_amsg_exit
_unlock
__dllonexit
_wcsicmp
memcpy_s
__setusermatherr
_cexit
_onexit
_exit
_vsnwprintf
exit
?terminate@@YAXXZ
__set_app_type
__wgetmainargs
bootux
ord9
ord12
api-ms-win-core-libraryloader-l1-2-0
GetProcAddress
GetModuleFileNameA
GetModuleHandleW
GetModuleHandleExW
api-ms-win-core-synch-l1-1-0
ReleaseMutex
WaitForSingleObjectEx
WaitForSingleObject
ReleaseSemaphore
CreateSemaphoreExW
CreateMutexExW
OpenSemaphoreW
api-ms-win-core-heap-l1-1-0
HeapFree
HeapAlloc
GetProcessHeap
api-ms-win-core-errorhandling-l1-1-0
UnhandledExceptionFilter
SetLastError
SetUnhandledExceptionFilter
GetLastError
api-ms-win-core-processenvironment-l1-1-0
GetCommandLineW
api-ms-win-core-registry-l1-1-0
RegGetValueW
RegCloseKey
RegOpenKeyExW
api-ms-win-core-processthreads-l1-1-0
TerminateProcess
GetCurrentProcessId
GetCurrentThreadId
GetCurrentProcess
GetStartupInfoW
api-ms-win-core-localization-l1-2-0
FormatMessageW
SetProcessPreferredUILanguages
api-ms-win-core-debug-l1-1-0
DebugBreak
IsDebuggerPresent
OutputDebugStringW
api-ms-win-core-registry-l1-1-1
RegDeleteKeyValueW
api-ms-win-core-handle-l1-1-0
CloseHandle
api-ms-win-core-heap-l2-1-0
LocalFree
api-ms-win-core-synch-l1-2-0
Sleep
api-ms-win-core-rtlsupport-l1-1-0
RtlCaptureContext
RtlVirtualUnwind
RtlLookupFunctionEntry
api-ms-win-core-profile-l1-1-0
QueryPerformanceCounter
api-ms-win-core-sysinfo-l1-1-0
GetSystemTimeAsFileTime
GetTickCount
api-ms-win-shcore-obsolete-l1-1-0
CommandLineToArgvW
api-ms-win-core-shlwapi-obsolete-l1-1-0
StrToIntExW
ntdll
RtlNtStatusToDosError
NtQuerySystemInformation
Sections
.text Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 1024B - Virtual size: 732B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 52B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ