bootsect[.]exe

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General

Target

bootsect.exe
Size

105KB
MD5

a2c20f042ba4b1fd94b69cd6dbe3eb52
SHA1

260fa6fcc02e8e39943a7d7046060c4466e8afb5
SHA256

982f7c6f611c59ca4657c69c7cbba1fc1f989f6d04b71688fff4324f8743ee00
SHA512

7a150c7f6b4c20d42614fa1a6b99e2df898e650a908bf16a8b8e4ac0c4b7030d5dbcd609266c59070c1c7e31aa7773f125001f4b590e566c12d34ee24813a95e
SSDEEP

1536:7clzrI46R7g7nM2sEXCHuYHwgpx5H7Dd3JIpP:7YI1R8I2sEN+XpfHX5u

Score

1^/10

Malware Config

Signatures

Files

bootsect.exe
.exe windows x64

a26cb263b9dc97b5627f1e68caac6231

Code Sign

33:00:00:01:c4:22:b2:f7:9b:79:3d:ac:b2:00:00:00:00:01:c4
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

03-07-2018 20:45

Not After

26-07-2019 20:45

Subject

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19-10-2011 18:41

Not After

19-10-2026 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

a9:16:96:96:04:a2:44:89:72:00:b3:cb:12:6d:02:88:7d:2e:fd:c5:ce:bd:06:55:a5:99:e7:dc:40:c6:48:5f
Signer

Actual PE Digest

a9:16:96:96:04:a2:44:89:72:00:b3:cb:12:6d:02:88:7d:2e:fd:c5:ce:bd:06:55:a5:99:e7:dc:40:c6:48:5f

Digest Algorithm

sha256

PE Digest Matches

true

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

advapi32

EventUnregister
EventRegister
EventWriteTransfer
RegOpenKeyExW
RegCloseKey
RegQueryValueExW

kernel32

GetModuleHandleExW
SetFilePointer
GetLastError
GetProcAddress
FreeLibrary
GetConsoleOutputCP
GetStdHandle
GetModuleFileNameW
LocalAlloc
GetConsoleMode
FormatMessageW
QueryDosDeviceW
LocalFree
WideCharToMultiByte
GetFileType
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
GetTickCount
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
GetModuleHandleW
SetUnhandledExceptionFilter
Sleep
ReadFile
WriteFile
WriteConsoleW
SetLastError
GetSystemDefaultUILanguage
GetUserDefaultUILanguage
GetLocaleInfoW
CreateFileW
GetVersionExW
SearchPathW
UnmapViewOfFile
CloseHandle
FindResourceExW
LoadResource
CreateFileMappingW
MapViewOfFile
LoadLibraryExW

msvcrt

_snwscanf_s
bsearch
wcsncmp
wcsstr
wcsnlen
memcpy
?terminate@@YAXXZ
_fmode
__C_specific_handler
_initterm
memset
__setusermatherr
_cexit
_exit
exit
__set_app_type
__getmainargs
_amsg_exit
_XcptFilter
iswxdigit
_vsnwprintf
_wcsnicmp
_stricmp
swprintf_s
isalpha
wcscpy_s
_wcsicmp
_wcslwr
_commode

ntdll

RtlVirtualUnwind
RtlLookupFunctionEntry
NtWaitForSingleObject
RtlFreeHeap
NtQueryDirectoryObject
NtCreateEvent
NtOpenDirectoryObject
NtDeviceIoControlFile
NtQuerySymbolicLinkObject
RtlAllocateHeap
NtOpenSymbolicLinkObject
NtResetEvent
NtOpenFile
NtQueryVolumeInformationFile
RtlNtStatusToDosError
NtFsControlFile
NtClose
RtlInitUnicodeString
NtQuerySystemInformation
RtlCaptureContext
NtQueryValueKey
NtQueryBootEntryOrder
NtQueryBootOptions
NtTranslateFilePath
NtEnumerateBootEntries
NtAdjustPrivilegesToken
NtOpenProcessTokenEx
NtSetInformationThread
NtOpenThreadTokenEx
RtlImpersonateSelf
NtOpenKey

Sections

.text
Size: 27KB - Virtual size: 26KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 27KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 23KB - Virtual size: 28KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1024B - Virtual size: 1008B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 16KB - Virtual size: 15KB

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

Sharing

General

Malware Config

Signatures

Files

a26cb263b9dc97b5627f1e68caac6231

Code Sign

33:00:00:01:c4:22:b2:f7:9b:79:3d:ac:b2:00:00:00:00:01:c4Certificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

a9:16:96:96:04:a2:44:89:72:00:b3:cb:12:6d:02:88:7d:2e:fd:c5:ce:bd:06:55:a5:99:e7:dc:40:c6:48:5fSigner

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

msvcrt

ntdll

Sections

.text Size: 27KB - Virtual size: 26KB

.rdata Size: 27KB - Virtual size: 26KB

.data Size: 23KB - Virtual size: 28KB

.pdata Size: 1024B - Virtual size: 1008B

.rsrc Size: 16KB - Virtual size: 15KB

.reloc Size: 2KB - Virtual size: 1KB

33:00:00:01:c4:22:b2:f7:9b:79:3d:ac:b2:00:00:00:00:01:c4
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

a9:16:96:96:04:a2:44:89:72:00:b3:cb:12:6d:02:88:7d:2e:fd:c5:ce:bd:06:55:a5:99:e7:dc:40:c6:48:5f
Signer

.text
Size: 27KB - Virtual size: 26KB

.rdata
Size: 27KB - Virtual size: 26KB

.data
Size: 23KB - Virtual size: 28KB

.pdata
Size: 1024B - Virtual size: 1008B

.rsrc
Size: 16KB - Virtual size: 15KB

.reloc
Size: 2KB - Virtual size: 1KB