AtBroker[.]exe

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General

Target

AtBroker.exe
Size

64KB
MD5

7d152e4285dde2d1f7f3ee12d24fd2d3
SHA1

8724af457c3b4af64782c98df0c6301afe180625
SHA256

7b0f4d776a38238147b1f79daeaf21047b0dcabe212bef8bfe92f5ffe9a88de2
SHA512

cf305a0a481d3d3d26ec85f98854a32f19bbc776e4435f240c69eadc01b54f8524e772bf5110c3dad42e602a9b167f6e6fb74a4d0f5c3d9d1716efd27d434534
SSDEEP

768:z/l35mNtIZ1gSOQQ1Pu/lLVitQYTpQpQ5KEYe/qh0xdITx6xr0HvHxlKL0mY9T:jlh2Pu/lLVspwxEYe/qN9PxKY9T

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
AtBroker.exe

Files

AtBroker.exe
.exe windows:10 windows x86 arch:x86

2efc160c23a254ce8d6d8fa126685062

Headers

DLL Characteristics

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_32BIT_MACHINE

PDB Paths

ATBroker.pdb

Imports

advapi32

RegQueryValueExW
OpenServiceW
QueryServiceConfigW
EventUnregister
RegOpenKeyExW
CheckTokenMembership
UnregisterTraceGuids
RegisterTraceGuidsW
FreeSid
GetTraceEnableLevel
RegSetValueExW
GetTraceEnableFlags
GetTraceLoggerHandle
EventSetInformation
TraceMessage
AllocateAndInitializeSid
OpenSCManagerW
EventRegister
CloseServiceHandle
EventWriteTransfer
RegCloseKey
GetTokenInformation
ConvertSidToStringSidW
GetUserNameW
OpenProcessToken

kernel32

ExpandEnvironmentStringsW
SetProcessShutdownParameters
LocalAlloc
GetCurrentThreadId
SetLastError
MultiByteToWideChar
Sleep
GetLastError
LockResource
CloseHandle
RaiseException
FindResourceExW
LoadResource
GetProcAddress
LocalFree
GetModuleHandleW
DebugBreak
lstrcmpiW
OpenMutexW
UpdateProcThreadAttribute
InitializeProcThreadAttributeList
OpenProcess
ReleaseMutex
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
SizeofResource
GetModuleFileNameA
GetModuleHandleExW
GetVersionExW
IsProcessInJob
OpenJobObjectW
IsDebuggerPresent
CreateMutexExW
OpenSemaphoreW
WaitForSingleObjectEx
InitOnceComplete
OutputDebugStringW
FormatMessageW
WaitForSingleObject
ReleaseSemaphore
CreateSemaphoreExW
InitOnceBeginInitialize
RegEnumValueW
RegDeleteTreeW
K32GetModuleBaseNameW
K32EnumProcessModules
ProcessIdToSessionId
K32EnumProcesses
RegLoadMUIStringW
DeleteFileW
RegGetValueW
RegCreateKeyExW
RegEnumKeyExW
GetTickCount
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetFileAttributesW
DeleteProcThreadAttributeList
HeapSize
HeapReAlloc
HeapFree
HeapAlloc
GetProcessHeap
HeapDestroy
InitializeCriticalSection
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
CreateProcessW

user32

SendInput
GetKeyState
UnregisterClassA
GetShellWindow
GetWindowThreadProcessId
SetDesktopColorTransform
SendNotifyMessageW
GetThreadDesktop
GetUserObjectInformationW
SystemParametersInfoW

msvcrt

memcpy_s
_wcsicmp
wcscpy_s
??1type_info@@UAE@XZ
_callnewh
_controlfp
?terminate@@YAXXZ
_except_handler4_common
_onexit
__dllonexit
_unlock
_lock
_initterm
__setusermatherr
__p__fmode
_cexit
_exit
exit
__set_app_type
__wgetmainargs
_amsg_exit
__p__commode
_XcptFilter
??_V@YAXPAX@Z
memmove_s
malloc
free
__CxxFrameHandler3
_wtoi
wcsrchr
_vsnwprintf
wcsspn
wcscspn
_wcslwr_s
_ltow_s
memset

ntdll

WinSqmIsOptedIn
WinSqmAddToStream
NtUpdateWnfStateData
NtQueryWnfStateData

shell32

ShellExecuteW

shlwapi

ord460
PathFileExistsW

uxtheme

ord65

Sections

.text
Size: 52KB - Virtual size: 51KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

2efc160c23a254ce8d6d8fa126685062

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

kernel32

user32

msvcrt

ntdll

shell32

shlwapi

uxtheme

Sections

.text Size: 52KB - Virtual size: 51KB

.data Size: 2KB - Virtual size: 3KB

.idata Size: 4KB - Virtual size: 4KB

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

.reloc Size: 3KB - Virtual size: 2KB

.text
Size: 52KB - Virtual size: 51KB

.data
Size: 2KB - Virtual size: 3KB

.idata
Size: 4KB - Virtual size: 4KB

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

.reloc
Size: 3KB - Virtual size: 2KB