BufferMakerStudio_Win11[.]exe

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General

Target
BufferMakerStudio_Win11.exe
Size 224KB
Sample260919-ta18jsgh64
SHA256 4dd1aa8b1d5f4870c2e22e62273851aa742e5df99ee97d321da6f2f02b96f0ba
MD5 3a01272ffaf61d4ae7f761d1c2efde3b
SHA1 560d4722e4be9d5e5086592378fd042ccfbe75f8
SHA512 b7d4d37a3447bd485ae9b4a4cc6cce3d3b9e0984271f50cdd25894bc847e8cfbad06e17011f995a65d09f50607a647226c0bb5f0d4e664b9131cdd905e86d343
SSDEEP 3072:V0S3sdxI8cDa5Cx+srQhMQc6PgLyLNVbRphbhVYgKratWASUNvC4hH:qS4Uasxz0jagKraQASUNvC
TLSH
T11124E81BB3A31DFCCA27C23942A69B71A971F8111320EE2F8754CB732E21D545E66E74
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
BufferMakerStudio_Win11.exe

File Explorer

BufferMakerStudio_Win11.exe

.exe 224KB

BufferMakerStudio_Win11.exe

IMPHASH 0fa95b99de0478b11ea92081419f0488
SHA256 4dd1aa8b1d5f4870c2e22e62273851aa742e5df99ee97d321da6f2f02b96f0ba
MD5 3a01272ffaf61d4ae7f761d1c2efde3b
SHA1 560d4722e4be9d5e5086592378fd042ccfbe75f8
SHA512 b7d4d37a3447bd485ae9b4a4cc6cce3d3b9e0984271f50cdd25894bc847e8cfbad06e17011f995a65d09f50607a647226c0bb5f0d4e664b9131cdd905e86d343
SSDEEP 3072:V0S3sdxI8cDa5Cx+srQhMQc6PgLyLNVbRphbhVYgKratWASUNvC4hH:qS4Uasxz0jagKraQASUNvC
TLSH
T11124E81BB3A31DFCCA27C23942A69B71A971F8111320EE2F8754CB732E21D545E66E74
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

5072

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_LOCAL_SYMS_STRIPPED IMAGE_FILE_LARGE_ADDRESS_AWARE IMAGE_FILE_DEBUG_STRIPPED

PDB paths

comctl32

InitCommonControlsEx

comdlg32

GetOpenFileNameW GetSaveFileNameW

gdi32

CreateFontW CreateSolidBrush DeleteObject SetBkMode SetTextColor

kernel32

CloseHandle CreateDirectoryW CreateProcessW DeleteCriticalSection EnterCriticalSection FormatMessageA GetExitCodeProcess GetFileAttributesExW GetLastError GetModuleHandleW GetProcAddress GetStartupInfoA GetThreadId InitializeCriticalSection IsDBCSLeadByteEx LeaveCriticalSection LoadLibraryW LocalFree MultiByteToWideChar RaiseException RtlCaptureContext RtlLookupFunctionEntry RtlUnwindEx RtlVirtualUnwind SearchPathW SetLastError SetUnhandledExceptionFilter Sleep TlsAlloc TlsFree TlsGetValue TlsSetValue TryEnterCriticalSection VirtualProtect VirtualQuery WaitForSingleObject WideCharToMultiByte

msvcrt

fwprintf __C_specific_handler ___lc_codepage_func ___mb_cur_max_func __getmainargs __initenv __iob_func __set_app_type __setusermatherr _acmdln _amsg_exit _beginthread _cexit _commode _errno _fmode _initterm _ismbblead _lock _onexit _unlock _wfopen _wremove abort calloc exit fclose fprintf fputc fputs fputwc free fwrite getenv localeconv malloc memchr memcmp memcpy memmove memset realloc signal strchr strcmp strerror strlen strncmp strtoul vfprintf wcscat wcscpy wcslen _read

shell32

ShellExecuteW

shlwapi

PathFileExistsW PathRemoveExtensionW PathRemoveFileSpecW

user32

CreateWindowExW DefWindowProcW DispatchMessageW EnableWindow GetMessageW GetWindowLongW GetWindowTextW LoadCursorW LoadIconW MessageBoxW PostQuitMessage RegisterClassExW SendMessageW SetWindowLongW SetWindowTextW ShowWindow TranslateMessage UpdateWindow

Name

.text

Size

164KB

Virtual Size

164KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

1024B

Virtual Size

576B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

27KB

Virtual Size

27KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.pdata

Size

12KB

Virtual Size

12KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

10KB

Virtual Size

10KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

5KB

Virtual Size

4KB

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

.reloc

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

BufferMakerStudio_Win11.exe

comctl32

comdlg32

gdi32

kernel32

msvcrt

shell32

shlwapi

user32

generic