b0100bfbe8c2db838064cc47b5c987ef57fc39b41f08a8d6b67b2ddfc91022cb

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General

Target

b0100bfbe8c2db838064cc47b5c987ef57fc39b41f08a8d6b67b2ddfc91022cb
Size

1.5MB
MD5

3d0da487a52e9a6d35e4f788894d03e8
SHA1

e556193a6054a8277e26bf00629d6d7442d8b08d
SHA256

b0100bfbe8c2db838064cc47b5c987ef57fc39b41f08a8d6b67b2ddfc91022cb
SHA512

fb11ce180144095e00afded04acd549907b6fd0e455863110a60565340387ec5c258c2b6e6d72599c8bfafc8151ea0b558dc220fc46877c29531711e383f0ad9
SSDEEP

24576:us2UEh4edH6yuLmxMFM9lDSVFYqF5mn46Hg1NHSc:us2/hFda7mxMFEleT84vyc

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

Processes:

resource
b0100bfbe8c2db838064cc47b5c987ef57fc39b41f08a8d6b67b2ddfc91022cb

Files

b0100bfbe8c2db838064cc47b5c987ef57fc39b41f08a8d6b67b2ddfc91022cb
.exe windows:10 windows x64 arch:x64

77d82c46da9a1d46d01a884fd0c8bb4a

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

PDB Paths

os_update_handler.exe.pdb

Imports

advapi32

BuildExplicitAccessWithNameW
BuildSecurityDescriptorW
BuildTrusteeWithSidW
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertStringSidToSidW
GetLengthSid
GetNamedSecurityInfoW
GetSecurityDescriptorControl
GetSecurityDescriptorDacl
GetSecurityDescriptorGroup
GetSecurityDescriptorOwner
GetSecurityDescriptorSacl
IsValidAcl
IsValidSecurityDescriptor
IsValidSid
RegCloseKey
RegCreateKeyExW
RegDeleteKeyExW
RegEnumKeyExW
RegOpenKeyExW
RegQueryValueExW
SetEntriesInAclW
SetNamedSecurityInfoW
SetSecurityInfo

user32

DispatchMessageW
GetMessageW
PostThreadMessageW
TranslateMessage

kernel32

AcquireSRWLockExclusive
AddVectoredExceptionHandler
CloseHandle
CompareStringW
CreateDirectoryW
CreateEventW
CreateFileW
CreateNamedPipeW
CreateProcessW
CreateThread
DeleteCriticalSection
DeleteFileW
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExpandEnvironmentStringsW
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageW
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetComputerNameExW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileTime
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProductInfo
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetUserDefaultLangID
GetVersionExW
GetWindowsDirectoryW
InitOnceExecuteOnce
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeSListHead
InterlockedPushEntrySList
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
LockFileEx
MultiByteToWideChar
OpenProcess
OutputDebugStringA
OutputDebugStringW
PeekNamedPipe
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
RemoveDirectoryW
RemoveVectoredExceptionHandler
ResetEvent
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetConsoleCtrlHandler
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetNamedPipeHandleState
SetStdHandle
SetThreadInformation
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SleepEx
SwitchToThread
SystemTimeToFileTime
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
TryAcquireSRWLockExclusive
TzSpecificLocalTimeToSystemTime
UnhandledExceptionFilter
UnlockFileEx
UnregisterWaitEx
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WaitNamedPipeW
WakeAllConditionVariable
WakeConditionVariable
WerRegisterRuntimeExceptionModule
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrcmpiW

ole32

CoCreateInstance
CoInitializeEx
CoRegisterInitializeSpy
CoRevokeInitializeSpy
CoTaskMemFree
CoUninitialize
StringFromGUID2

oleaut32

SysFreeString

ntdll

NtClose
NtDeleteKey
NtOpenKeyEx
NtQueryValueKey
RtlFormatCurrentUserKeyPath
RtlFreeUnicodeString
RtlInitUnicodeString

winmm

timeGetTime

shell32

CommandLineToArgvW
ord680
SHGetFolderPathW
SHGetKnownFolderPath

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

api-ms-win-core-winrt-l1-1-0

RoInitialize
RoUninitialize

Exports

Exports

GetHandleVerifier

Sections

.text
Size: 1.1MB - Virtual size: 1.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 202KB - Virtual size: 202KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 60KB - Virtual size: 101KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 39KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 140B

.tls
Size: 512B - Virtual size: 449B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

CPADinfo
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

LZMADEC
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 61KB - Virtual size: 61KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

77d82c46da9a1d46d01a884fd0c8bb4a

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

user32

kernel32

ole32

oleaut32

ntdll

winmm

shell32

version

api-ms-win-core-winrt-l1-1-0

Exports

Exports

Sections

.text Size: 1.1MB - Virtual size: 1.1MB

.rdata Size: 202KB - Virtual size: 202KB

.data Size: 60KB - Virtual size: 101KB

.pdata Size: 39KB - Virtual size: 39KB

.gxfg Size: 12KB - Virtual size: 11KB

.retplne Size: 512B - Virtual size: 140B

.tls Size: 512B - Virtual size: 449B

CPADinfo Size: 512B - Virtual size: 56B

LZMADEC Size: 4KB - Virtual size: 4KB

_RDATA Size: 512B - Virtual size: 500B

.rsrc Size: 61KB - Virtual size: 61KB

.reloc Size: 6KB - Virtual size: 5KB

.text
Size: 1.1MB - Virtual size: 1.1MB

.rdata
Size: 202KB - Virtual size: 202KB

.data
Size: 60KB - Virtual size: 101KB

.pdata
Size: 39KB - Virtual size: 39KB

.gxfg
Size: 12KB - Virtual size: 11KB

.retplne
Size: 512B - Virtual size: 140B

.tls
Size: 512B - Virtual size: 449B

CPADinfo
Size: 512B - Virtual size: 56B

LZMADEC
Size: 4KB - Virtual size: 4KB

_RDATA
Size: 512B - Virtual size: 500B

.rsrc
Size: 61KB - Virtual size: 61KB

.reloc
Size: 6KB - Virtual size: 5KB