lvrium_loader[.]exe

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General

Target
lvrium_loader.exe
Size 823KB
Sample260626-vseypsc15w
SHA256 ee404371b2771b91f2909b2e1c69c3b3170801d9e7eb014ed8141d7c86baa450
MD5 014eccc61ff07673d9e106afc7013761
SHA1 d2ed76fcc2d8f7c8d230c59054e191e096a2ea28
SHA512 785c950378b0170f29dcd631735a448fecfdcf9a55d788aaf40fccba72b78a40c770cc51b8c51fbda6de1d3b33ebc00a220a5e0d4f7fe3aa6dde42ac1975f48d
SSDEEP 12288:ZnAVVVVVVVVVVVQhmo5UJgQnJsls9xrdSHH6fuQF2YdnCcP7Iq:ZbhmfJPneleSYdnCcP7Iq
TLSH
T11505E78256EB0CE9DDE36B7C21DBA33AA735FD748B7A4B679204C13159036C16D2EB40
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
lvrium_loader.exe

File Explorer

lvrium_loader.exe

.exe 823KB

lvrium_loader.exe

IMPHASH 4ac0119e6957940ed7445c28884e43f9
SHA256 ee404371b2771b91f2909b2e1c69c3b3170801d9e7eb014ed8141d7c86baa450
MD5 014eccc61ff07673d9e106afc7013761
SHA1 d2ed76fcc2d8f7c8d230c59054e191e096a2ea28
SHA512 785c950378b0170f29dcd631735a448fecfdcf9a55d788aaf40fccba72b78a40c770cc51b8c51fbda6de1d3b33ebc00a220a5e0d4f7fe3aa6dde42ac1975f48d
SSDEEP 12288:ZnAVVVVVVVVVVVQhmo5UJgQnJsls9xrdSHH6fuQF2YdnCcP7Iq:ZbhmfJPneleSYdnCcP7Iq
TLSH
T11505E78256EB0CE9DDE36B7C21DBA33AA735FD748B7A4B679204C13159036C16D2EB40
MD5 SHA1 SHA512 SSDEEP TLSH

windows:4 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

4144

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

advapi32

AbortSystemShutdownW GetTokenInformation GetUserNameW OpenProcessToken RegCloseKey RegCreateKeyExW RegDeleteTreeW RegDeleteValueW RegEnumKeyExW RegOpenKeyExW RegQueryValueExW RegSetValueExW

comctl32

InitCommonControlsEx

gdi32

BitBlt CreateCompatibleBitmap CreateCompatibleDC CreateFontW CreatePen CreateSolidBrush DeleteDC DeleteObject GetStockObject Polyline SelectObject SetBkColor SetBkMode SetTextColor

kernel32

CloseHandle CopyFileW CreateEventA CreateFileW CreateMutexW CreateProcessW CreateSemaphoreA CreateThread CreateToolhelp32Snapshot DeleteCriticalSection DeleteFileW DuplicateHandle EnterCriticalSection ExpandEnvironmentStringsW FindClose FindFirstFileW FindNextFileW FormatMessageA FreeLibrary GetComputerNameW GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetDiskFreeSpaceExW GetEnvironmentVariableW GetFileAttributesW GetFileSizeEx GetLastError GetModuleFileNameW GetModuleHandleA GetModuleHandleW GetProcAddress GetProcessAffinityMask GetStartupInfoW GetSystemTimeAsFileTime GetThreadContext GetThreadPriority GetTickCount GlobalMemoryStatusEx InitializeCriticalSection LeaveCriticalSection LoadLibraryA LocalFree MoveFileExW OpenMutexW OpenProcess OutputDebugStringA Process32FirstW Process32NextW QueryPerformanceCounter QueryPerformanceFrequency RaiseException ReleaseMutex ReleaseSemaphore RemoveDirectoryW ResetEvent ResumeThread RtlCaptureContext RtlLookupFunctionEntry RtlUnwindEx RtlVirtualUnwind SetEndOfFile SetEvent SetFileAttributesW SetFileInformationByHandle SetLastError SetProcessAffinityMask SetThreadContext SetThreadPriority SetUnhandledExceptionFilter Sleep SuspendThread TerminateProcess TlsAlloc TlsFree TlsGetValue TlsSetValue TryEnterCriticalSection VirtualProtect VirtualQuery WaitForMultipleObjects WaitForSingleObject WideCharToMultiByte WriteFile

msimg32

AlphaBlend

api-ms-win-crt-convert-l1-1-0

mbsrtowcs strtoul

api-ms-win-crt-environment-l1-1-0

__p__wenviron getenv

api-ms-win-crt-heap-l1-1-0

_set_new_mode calloc free malloc realloc

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-private-l1-1-0

__C_specific_handler __intrinsic_setjmp longjmp memchr memcmp memcpy memmove strchr

api-ms-win-crt-runtime-l1-1-0

__p___argc __p___wargv __p__wcmdln _assert _beginthreadex _cexit _configure_wide_argv _crt_atexit _endthreadex _errno _exit _set_app_type _initialize_wide_environment _initterm _initterm_e _register_thread_local_exe_atexit_callback _set_invalid_parameter_handler abort exit signal strerror

api-ms-win-crt-stdio-l1-1-0

__acrt_iob_func __p__commode __p__fmode __stdio_common_vfprintf __stdio_common_vsprintf _fileno _read _setmode fflush fputc fputs fwrite setvbuf

api-ms-win-crt-string-l1-1-0

_strdup _wcsicmp memset strcmp strlen strncmp wcscmp wcscpy_s wcslen wcsncat_s wcsncpy_s

api-ms-win-crt-utility-l1-1-0

rand rand_s srand

shell32

ShellExecuteW

user32

BeginPaint CallNextHookEx CreateWindowExW DefWindowProcW DestroyWindow DispatchMessageW DrawTextW EnableWindow EndPaint EnumDisplayMonitors FillRect FlashWindow GetAsyncKeyState GetClientRect GetMessageW GetMonitorInfoW GetSystemMetrics GetWindowRect GetWindowTextW InvalidateRect KillTimer LoadCursorW PostQuitMessage RegisterClassExW ScreenToClient SendMessageW SetProcessDPIAware SetTimer SetWindowPos SetWindowTextW SetWindowsHookExW ShutdownBlockReasonCreate ShutdownBlockReasonDestroy TranslateMessage UnhookWindowsHookEx UpdateWindow wsprintfW

winhttp

WinHttpCloseHandle WinHttpConnect WinHttpOpen WinHttpOpenRequest WinHttpReadData WinHttpReceiveResponse WinHttpSendRequest WinHttpSetOption

Name

.text

Size

246KB

Virtual Size

245KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

1024B

Virtual Size

832B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

41KB

Virtual Size

40KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

15KB

Virtual Size

14KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

18KB

Virtual Size

17KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

9KB

Virtual Size

9KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

512B

Virtual Size

16B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

512B

Virtual Size

480B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/14

Size

512B

Virtual Size

208B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/29

Size

19KB

Virtual Size

19KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/41

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/55

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/67

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/80

Size

512B

Virtual Size

211B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/91

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/107

Size

2KB

Virtual Size

2KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

/123

Size

512B

Virtual Size

249B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

lvrium_loader.exe

advapi32

comctl32

gdi32

kernel32

msimg32

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-environment-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-private-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-utility-l1-1-0

shell32

user32

winhttp

generic