Behavioral task
behavioral1
Sample
8524d39271ec09d851920db4036d9dafe4f61f5cbd44d81322c9ec29ef1aadc2.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
8524d39271ec09d851920db4036d9dafe4f61f5cbd44d81322c9ec29ef1aadc2.exe
Resource
win7-20240215-en
Behavioral task
behavioral3
Sample
8524d39271ec09d851920db4036d9dafe4f61f5cbd44d81322c9ec29ef1aadc2.exe
Resource
win10-20240404-en
Behavioral task
behavioral4
Sample
8524d39271ec09d851920db4036d9dafe4f61f5cbd44d81322c9ec29ef1aadc2.exe
Resource
win10v2004-20240412-en
General
-
Target
8524d39271ec09d851920db4036d9dafe4f61f5cbd44d81322c9ec29ef1aadc2
-
Size
11.7MB
-
MD5
aad57aa4be27a48ebfe54e35f8bf31d9
-
SHA1
cec3a059f103e163e6bfd0cbaa446045add97a89
-
SHA256
8524d39271ec09d851920db4036d9dafe4f61f5cbd44d81322c9ec29ef1aadc2
-
SHA512
423ecb0e593e7e862ba6a6f6d04937fdde737d5373620a61918522d348c25a39c40e0909e7e5dd4c52b5f546e6f15751a27d8820db0f1a10b98db25103d757b1
-
SSDEEP
196608:YN4reUU8Lxwhzav1yo31CPwDv3uFZjeg2EeJUO9WLQx6xtw3iFFrS6X/fTV73c:YN4reUPLxwZ6v1CPwDv3uFteg2EeJUOy
Malware Config
Extracted
bitrat
1.31
Signatures
-
BitRAT payload 1 IoCs
resource yara_rule sample family_bitrat -
Bitrat family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 8524d39271ec09d851920db4036d9dafe4f61f5cbd44d81322c9ec29ef1aadc2
Files
-
8524d39271ec09d851920db4036d9dafe4f61f5cbd44d81322c9ec29ef1aadc2.exe windows:5 windows x86 arch:x86
2c27451b4fc4c5cc786ad323e38a118e
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
HeapFree
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
HeapSize
PostQueuedCompletionStatus
FormatMessageW
GetLastError
SetEvent
TlsAlloc
HeapReAlloc
CloseHandle
RaiseException
HeapAlloc
DecodePointer
HeapDestroy
LocalFree
DeleteCriticalSection
GetProcessHeap
WideCharToMultiByte
TlsFree
FormatMessageA
CreateEventA
GetCurrentProcess
GetSystemTimes
GetTickCount64
GetProcessTimes
SetWaitableTimer
TlsSetValue
SetLastError
CreateWaitableTimerW
WaitForMultipleObjects
InitializeCriticalSectionAndSpinCount
GetQueuedCompletionStatus
WaitForSingleObject
GetModuleHandleA
CreateEventW
MultiByteToWideChar
TerminateThread
QueueUserAPC
GetProcAddress
VerSetConditionMask
SleepEx
VerifyVersionInfoW
TlsGetValue
GetSystemTimeAsFileTime
CreateIoCompletionPort
CreateDirectoryW
ReadFile
SizeofResource
QueryDosDeviceW
GetVolumeInformationW
FindFirstFileW
WriteProcessMemory
FindFirstFileExW
SetPriorityClass
VirtualFree
GetFullPathNameW
FindNextFileW
lstrlenW
Wow64DisableWow64FsRedirection
GetSystemDefaultUILanguage
GetDiskFreeSpaceW
VirtualAlloc
TerminateProcess
GetModuleFileNameW
GetUserDefaultLocaleName
GetProcessId
K32GetModuleFileNameExW
GetProductInfo
Thread32Next
GetTempPathW
CreateMutexW
Thread32First
FindClose
GetLocaleInfoW
CreateFileW
GetFileAttributesW
GetVersionExW
K32GetProcessImageFileNameW
SuspendThread
GetSystemDirectoryW
ResumeThread
lstrcatA
OpenProcess
GetLogicalDriveStringsW
CreateToolhelp32Snapshot
Sleep
Process32NextW
K32GetProcessMemoryInfo
CreateFileA
GetCurrentThread
LoadLibraryA
LockResource
GlobalAlloc
Process32FirstW
GlobalFree
GetNativeSystemInfo
GetSystemInfo
FindResourceExW
LoadResource
FindResourceW
GetThreadContext
GetPriorityClass
GlobalLock
VirtualAllocEx
MoveFileExW
GetFileSize
ExitProcess
ReadProcessMemory
GetComputerNameW
FindFirstStreamW
GetCurrentProcessId
SystemTimeToFileTime
GlobalMemoryStatusEx
CreateProcessW
WinExec
QueryFullProcessImageNameW
CreateProcessA
DebugBreak
SetThreadContext
FindNextStreamW
GetTickCount
GlobalUnlock
GetDriveTypeW
GetFileTime
OpenThread
GetExitCodeProcess
Beep
WriteFile
CreatePipe
PeekNamedPipe
GetStartupInfoA
SetThreadPriority
GetCurrentThreadId
lstrcpyA
CreateThread
CreateTimerQueueTimer
VirtualProtect
GetCommandLineW
DeviceIoControl
VirtualAllocExNuma
GetModuleHandleW
IsDebuggerPresent
CheckRemoteDebuggerPresent
CreateTimerQueue
EncodePointer
TryEnterCriticalSection
DuplicateHandle
WaitForSingleObjectEx
GetExitCodeThread
QueryPerformanceCounter
QueryPerformanceFrequency
GetFileAttributesExW
GetFileInformationByHandle
SetEndOfFile
SetFilePointerEx
AreFileApisANSI
GetStringTypeW
GetCPInfo
CompareStringW
LCMapStringW
OutputDebugStringW
ResetEvent
ReleaseSemaphore
OpenEventA
GetLogicalProcessorInformation
GetCurrentDirectoryW
DeleteFileW
RemoveDirectoryW
CreateDirectoryExW
GetFileSizeEx
GetFileType
GetStdHandle
GetSystemTime
InitializeCriticalSection
InitializeSListHead
InterlockedPopEntrySList
InterlockedPushEntrySList
InterlockedFlushSList
QueryDepthSList
UnregisterWaitEx
RegisterWaitForSingleObject
GetThreadTimes
FreeLibrary
FreeLibraryAndExitThread
LoadLibraryExW
LoadLibraryW
SignalObjectAndWait
SwitchToThread
GetThreadPriority
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
GetProcessAffinityMask
SetThreadAffinityMask
UnregisterWait
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
GetStartupInfoW
RtlUnwind
SetConsoleCtrlHandler
ExitThread
GetModuleHandleExW
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetModuleFileNameA
WriteConsoleW
SetEnvironmentVariableA
GetACP
GetDateFormatW
GetTimeFormatW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetStdHandle
GetTimeZoneInformation
ReadConsoleW
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCommandLineA
GetEnvironmentStringsW
FreeEnvironmentStringsW
VirtualQuery
LoadLibraryExA
Sections
.text Size: 2.4MB - Virtual size: 2.4MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 596KB - Virtual size: 596KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 704KB - Virtual size: 704KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4.0MB - Virtual size: 4.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
gu_idata Size: 5KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
gu_rsrcs Size: 4.0MB - Virtual size: 4.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ