bootsect[.]exe

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General

Target

bootsect.exe
Size

107KB
MD5

4a59bda770a1683a7bc5a913ea1d74ab
SHA1

c65466640bd627f40c67c7ba07814bcae4b69e2f
SHA256

2d7ce2dd4a9ce5fbed2c150720280cf50808b0cd5d7d988cdaaf5bd1e9e292f3
SHA512

846ddc20123c8f47f2e9205d17dcf5ff53ca962891b309e7aebb0098ed6eb10ee56c53ac81c89745ac43b6ff8c4868a8144cac8c35b090a38c4d70fd9ecd6d24
SSDEEP

768:rt9O59BuIAee9VkuIvsdzsyCY5eNildVUt7/8tK4ZcvNoXxrkWqVsiawjprT3lxU:RTB5egI78tKKc7XHui2IH5vgY83JDPxb

Score

1^/10

Malware Config

Signatures

Files

bootsect.exe
.exe windows x64

a26cb263b9dc97b5627f1e68caac6231

Code Sign

33:00:00:02:32:41:fb:59:99:6d:cc:4d:ff:00:00:00:00:02:32
Certificate

Issuer

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

Not Before

02/05/2019, 21:24

Not After

02/05/2020, 21:24

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

97:10:60:7b:a1:0d:d6:97:8d:e0:4e:13:d7:be:32:23:b7:21:90:f3:d5:26:d4:e8:f8:17:b5:3f:4c:39:56:c6
Signer

Actual PE Digest

97:10:60:7b:a1:0d:d6:97:8d:e0:4e:13:d7:be:32:23:b7:21:90:f3:d5:26:d4:e8:f8:17:b5:3f:4c:39:56:c6

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: 29KB - Virtual size: 28KB

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: 1KB - Virtual size: 1KB

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

33:00:00:02:32:41:fb:59:99:6d:cc:4d:ff:00:00:00:00:02:32Certificate

Extended Key Usages

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

Key Usages

97:10:60:7b:a1:0d:d6:97:8d:e0:4e:13:d7:be:32:23:b7:21:90:f3:d5:26:d4:e8:f8:17:b5:3f:4c:39:56:c6Signer

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

msvcrt

ntdll

Sections

.text Size: 29KB - Virtual size: 28KB

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

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

.pdata Size: 1KB - Virtual size: 1KB

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

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

33:00:00:02:32:41:fb:59:99:6d:cc:4d:ff:00:00:00:00:02:32
Certificate

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

97:10:60:7b:a1:0d:d6:97:8d:e0:4e:13:d7:be:32:23:b7:21:90:f3:d5:26:d4:e8:f8:17:b5:3f:4c:39:56:c6
Signer

.text
Size: 29KB - Virtual size: 28KB

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

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

.pdata
Size: 1KB - Virtual size: 1KB

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

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