bootsect[.]exe

Sharing

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General

Target

bootsect.exe
Size

105KB
MD5

4ff6d8aa1477cae58adf2cdb6856c709
SHA1

3487e07cb2761429b8812fae61ac55fdb0c9c9f2
SHA256

cf5960ba8b392c71d08c4b4c0123d86d01978f1a2ed2a352eca008c688fd51aa
SHA512

bf52b8318b878d38ad745e5e132378dc4775919da06267082cd803a60aa76347ade6b6b27316730bcb9c8db3609d613ba53d31e4b2e1bf28a50c3f497efa4209
SSDEEP

1536:OqOIGiQ/GZpRNI1H/oHuYbwg0l53QiJP3J4pPS:OEZoGRN66/0T3QCv+

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

bc:69:12:37:1c:95:c7:0d:82:81:14:c3:94:96:af:52:5a:32:40:63:e0:fb:bf:e6:25:a4:47:d8:1f:fb:f8:b1
Signer

Actual PE Digest

bc:69:12:37:1c:95:c7:0d:82:81:14:c3:94:96:af:52:5a:32:40:63:e0:fb:bf:e6:25:a4:47:d8:1f:fb:f8:b1

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: 1020B

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

bc:69:12:37:1c:95:c7:0d:82:81:14:c3:94:96:af:52:5a:32:40:63:e0:fb:bf:e6:25:a4:47:d8:1f:fb:f8:b1Signer

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: 1020B

.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

bc:69:12:37:1c:95:c7:0d:82:81:14:c3:94:96:af:52:5a:32:40:63:e0:fb:bf:e6:25:a4:47:d8:1f:fb:f8:b1
Signer

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

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

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

.pdata
Size: 1024B - Virtual size: 1020B

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

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