beacon_dec_direct_syscalls[.]dll[.]exe

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General

Target

beacon_dec_direct_syscalls.dll.exe
Size

302KB
MD5

39bd55b23e017d126072121014daf542
SHA1

3d876abbc7ed579b9e49d71adce00456ee4b113e
SHA256

4bddadadc987456a9cfa5e66d5cab2d84daae9431005ef7277df16e98433e50d
SHA512

1d259ddd9621a7c3f59878f2bef87a7d25d5baaef609984b3498da2b518a157552fbd3037f1f801d7cc55ee668e170c6fbd883e4fd0bb9f64cb82b0de48f307e
SSDEEP

6144:owox6HnY48peLqPMposTC7Bw3XnZdlbgietlA:o7AIgLkMpQiXZdl0i8

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
beacon_dec_direct_syscalls.dll.exe

Files

beacon_dec_direct_syscalls.dll.exe
.dll windows:5 windows x64 arch:x64

833f0c196d62bc445e85b5a7fcf4c982

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
IMAGE_FILE_BYTES_REVERSED_HI

Imports

kernel32

CreateNamedPipeA
TerminateProcess
CreateProcessA
GetCurrentDirectoryW
GetFullPathNameA
GetLogicalDrives
FindClose
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
ExpandEnvironmentStringsA
GetFileAttributesA
FindFirstFileA
FindNextFileA
CopyFileA
MoveFileA
GetCurrentProcessId
CreateThread
CreateToolhelp32Snapshot
Thread32First
Thread32Next
Wow64GetThreadContext
Wow64SetThreadContext
VirtualAlloc
VirtualProtect
SetLastError
SetNamedPipeHandleState
PeekNamedPipe
CreateFileA
WaitNamedPipeA
GetModuleFileNameA
GetComputerNameA
GetVersionExA
GetACP
GetOEMCP
GetProcessHeap
InitializeProcThreadAttributeList
DeleteProcThreadAttributeList
SetErrorMode
UpdateProcThreadAttribute
ProcessIdToSessionId
Process32First
Process32Next
GetComputerNameExA
VirtualFree
VirtualQuery
VirtualAllocEx
VirtualProtectEx
OpenProcess
CreateRemoteThread
OpenThread
ConnectNamedPipe
WriteProcessMemory
GetThreadContext
SetThreadContext
ResumeThread
CloseHandle
DuplicateHandle
MapViewOfFile
UnmapViewOfFile
CreateFileMappingA
ExitProcess
ExitThread
ReadFile
GetCurrentThread
GetCurrentProcess
MultiByteToWideChar
GetCurrentDirectoryA
SetCurrentDirectoryA
GetStartupInfoA
DisconnectNamedPipe
CreatePipe
GetTickCount
GetLocalTime
FlushFileBuffers
WriteFile
WaitForSingleObject
Sleep
GetModuleHandleA
LoadLibraryA
GetLastError
HeapFree
RaiseException
SetEnvironmentVariableW
SetEnvironmentVariableA
HeapAlloc
HeapDestroy
HeapCreate
SetEndOfFile
CreateFileW
WriteConsoleW
SetStdHandle
HeapSize
LCMapStringW
CompareStringW
GetStringTypeW
LoadLibraryW
OutputDebugStringW
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
RemoveDirectoryW
CreateDirectoryW
DeleteFileW
GetFileType
SetFilePointerEx
SetFilePointer
ReadConsoleW
GetConsoleMode
GetConsoleCP
WideCharToMultiByte
RtlUnwindEx
LoadLibraryExW
GetModuleHandleW
GetStartupInfoW
GetProcAddress
ReadProcessMemory
FreeLibrary
EncodePointer
DecodePointer
GetModuleHandleExW
AreFileApisANSI
GetSystemTimeAsFileTime
HeapReAlloc
GetCommandLineA
GetCurrentThreadId
GetStdHandle
GetModuleFileNameW
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
GetCPInfo
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree

advapi32

GetTokenInformation
OpenProcessToken
CryptReleaseContext
CryptAcquireContextA
CryptGenRandom
CheckTokenMembership
DuplicateTokenEx
LogonUserA
LookupAccountSidA
FreeSid
AllocateAndInitializeSid
ImpersonateNamedPipeClient
RevertToSelf
GetUserNameA
CreateProcessWithTokenW
CreateProcessWithLogonW
CreateProcessAsUserA
ImpersonateLoggedOnUser
LookupPrivilegeValueA
AdjustTokenPrivileges
OpenThreadToken

winhttp

WinHttpQueryDataAvailable
WinHttpCloseHandle
WinHttpConnect
WinHttpReadData
WinHttpSetOption
WinHttpSetStatusCallback
WinHttpOpenRequest
WinHttpAddRequestHeaders
WinHttpSendRequest
WinHttpSetCredentials
WinHttpQueryAuthSchemes
WinHttpReceiveResponse
WinHttpQueryHeaders
WinHttpOpen

ws2_32

socket
send
connect
WSASocketA
gethostbyname
WSACleanup
WSAStartup
closesocket
ntohl
htons
htonl
ntohs
ioctlsocket
recv
shutdown
WSAGetLastError
__WSAFDIsSet
accept
bind
inet_addr
listen
recvfrom
select
sendto
WSAIoctl

Exports

Exports

ReflectiveLoader

Sections

.text
Size: 194KB - Virtual size: 194KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 63KB - Virtual size: 63KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 29KB - Virtual size: 70KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

833f0c196d62bc445e85b5a7fcf4c982

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

winhttp

ws2_32

Exports

Exports

Sections

.text Size: 194KB - Virtual size: 194KB

.rdata Size: 63KB - Virtual size: 63KB

.data Size: 29KB - Virtual size: 70KB

.pdata Size: 9KB - Virtual size: 9KB

.reloc Size: 4KB - Virtual size: 3KB

.text
Size: 194KB - Virtual size: 194KB

.rdata
Size: 63KB - Virtual size: 63KB

.data
Size: 29KB - Virtual size: 70KB

.pdata
Size: 9KB - Virtual size: 9KB

.reloc
Size: 4KB - Virtual size: 3KB