implant_full[.]exe

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General

Target
implant_full.exe
Size 2.2MB
Sample261023-b1fenag151
SHA256 a32077abaeaf764d08562a36ac83f76c5bd6dd7fd1c3fa1558ac4c8ffbbe11cf
MD5 4c7b83868d528b95fdd2e3fb7f280123
SHA1 1847dcc725514d2ae3b40a539d111232e29fecfb
SHA512 c1a9c7a3d2ef16d7bcc96c92324da524c647a296b430ced80bcf929c0cb9901a6f6fa20856437d3a41aec29cd2ae43b33dbaced84a398d39f601dccb85b0f94b
SSDEEP 49152:T5CO3ZFMgrvXrrfJKpnuJRVcb5LxoyGaU:8QZFMgz3L79a
TLSH
T1C0A54B47E2A310FCC52BC17486679773B930B8594134BE7F9A94CB312E21E605B6EB39
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
implant_full.exe

File Explorer

implant_full.exe

.exe 2.2MB

implant_full.exe

IMPHASH 656fa4887ab6f3c894c84e16cc26b7e9
SHA256 a32077abaeaf764d08562a36ac83f76c5bd6dd7fd1c3fa1558ac4c8ffbbe11cf
MD5 4c7b83868d528b95fdd2e3fb7f280123
SHA1 1847dcc725514d2ae3b40a539d111232e29fecfb
SHA512 c1a9c7a3d2ef16d7bcc96c92324da524c647a296b430ced80bcf929c0cb9901a6f6fa20856437d3a41aec29cd2ae43b33dbaced84a398d39f601dccb85b0f94b
SSDEEP 49152:T5CO3ZFMgrvXrrfJKpnuJRVcb5LxoyGaU:8QZFMgz3L79a
TLSH
T1C0A54B47E2A310FCC52BC17486679773B930B8594134BE7F9A94CB312E21E605B6EB39
MD5 SHA1 SHA512 SSDEEP TLSH

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

5152

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

advapi32

ConvertSidToStringSidW CredEnumerateW CredFree GetTokenInformation GetUserNameA OpenProcessToken RegCloseKey RegCreateKeyExA RegDeleteKeyExA RegDeleteTreeA RegDeleteValueA RegGetValueA RegOpenKeyExA RegQueryValueExA RegSetValueExA

bcrypt

BCryptCloseAlgorithmProvider BCryptDecrypt BCryptDestroyKey BCryptGenerateSymmetricKey BCryptOpenAlgorithmProvider BCryptSetProperty

crypt32

CryptUnprotectData

d3d11

D3D11CreateDevice

gdi32

BitBlt CreateCompatibleDC CreateDIBSection DeleteDC DeleteObject SelectObject

gdiplus

GdipAlloc GdipCloneImage GdipCreateBitmapFromScan0 GdipDeleteGraphics GdipDisposeImage GdipDrawImageRectI GdipFree GdipGetImageEncoders GdipGetImageEncodersSize GdipGetImageGraphicsContext GdipSaveImageToStream GdipSetInterpolationMode GdiplusStartup

kernel32

AreFileApisANSI CloseHandle CopyFileA CreateDirectoryW CreateEventA CreateFileA CreateFileMappingW CreateFileW CreateMutexW CreatePipe CreateProcessA CreateProcessW CreateSemaphoreA CreateThread CreateToolhelp32Snapshot DeleteCriticalSection DeleteFileA DeleteFileW DeleteProcThreadAttributeList DuplicateHandle EnterCriticalSection ExitProcess FindClose FindFirstFileA FindNextFileA FlushFileBuffers FlushViewOfFile FormatMessageA FormatMessageW FreeLibrary GetComputerNameA GetCurrentProcess GetCurrentProcessId GetCurrentThread GetCurrentThreadId GetDiskFreeSpaceA GetDiskFreeSpaceW GetEnvironmentVariableW GetFileAttributesA GetFileAttributesExW GetFileAttributesW GetFileSize GetFileSizeEx GetFileTime GetFullPathNameA GetFullPathNameW GetLastError GetLocalTime GetModuleFileNameA GetModuleHandleA GetNativeSystemInfo GetProcAddress GetProcessAffinityMask GetProcessHeap GetStartupInfoA GetSystemInfo GetSystemTime GetSystemTimeAsFileTime GetTempPathA GetTempPathW GetThreadContext GetThreadPriority GetTickCount GetTickCount64 GetVolumeInformationW GlobalAlloc GlobalFree GlobalLock GlobalMemoryStatusEx GlobalSize GlobalUnlock HeapAlloc HeapCompact HeapCreate HeapDestroy HeapFree HeapReAlloc HeapSize HeapValidate InitializeCriticalSection InitializeProcThreadAttributeList IsDBCSLeadByte LeaveCriticalSection LoadLibraryA LoadLibraryW LocalFree LockFile LockFileEx MapViewOfFile MultiByteToWideChar OpenProcess OpenThread OutputDebugStringA OutputDebugStringW Process32FirstW Process32NextW QueryPerformanceCounter QueryPerformanceFrequency RaiseException ReadFile ReleaseSemaphore ResetEvent ResumeThread RtlCaptureContext RtlLookupFunctionEntry RtlUnwindEx RtlVirtualUnwind SetEndOfFile SetEvent SetFilePointer SetFileTime SetHandleInformation SetLastError SetProcessAffinityMask SetThreadContext SetThreadPriority SetUnhandledExceptionFilter Sleep SuspendThread SystemTimeToFileTime TerminateProcess Thread32First Thread32Next TlsAlloc TlsGetValue TlsSetValue TryEnterCriticalSection UnlockFile UnlockFileEx UnmapViewOfFile UpdateProcThreadAttribute VirtualProtect VirtualQuery WaitForMultipleObjects WaitForSingleObject WaitForSingleObjectEx WideCharToMultiByte WriteFile lstrlenW

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

atoi mbrtowc mbsrtowcs strtol strtoul wcrtomb

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

__p__environ getenv

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

_set_new_mode calloc free malloc realloc

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

___mb_cur_max_func _configthreadlocale localeconv setlocale

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

__setusermatherr

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

__C_specific_handler longjmp memchr memcmp memcpy memmove strchr strrchr wcsrchr wcsstr __intrinsic_setjmp

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

_set_app_type _assert __p___argc __p___argv __p__acmdln _beginthreadex _cexit _configure_narrow_argv _crt_atexit _endthreadex _errno _exit _initialize_narrow_environment _initterm _initterm_e _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 _setmode fclose fflush fputc fputs fread fwrite setvbuf fopen _read _fileno

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

iswctype _wcsicmp memset strcmp strcoll strcspn strlen strncmp strncpy strnlen strspn strxfrm tolower towlower towupper wcscmp wcscoll wcslen wcsnlen wcsxfrm wctype _stricmp _strdup

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

_localtime64 strftime wcsftime

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

rand_s

ole32

CoCreateInstance CoInitializeEx CoSetProxyBlanket CoUninitialize CreateStreamOnHGlobal

oleaut32

SysAllocString SysAllocStringByteLen SysFreeString SysStringByteLen VariantClear

shell32

SHGetFolderPathA ShellExecuteA

user32

CallNextHookEx CloseClipboard EnumDisplayDevicesW EnumWindows GetClipboardData GetCursorPos GetDC GetForegroundWindow GetKeyboardLayout GetKeyboardState GetMessageW GetSystemMetrics GetWindowTextW MessageBoxA OpenClipboard PostThreadMessageW ReleaseDC SendInput SetCursorPos SetWindowsHookExW ToUnicodeEx TranslateMessage UnhookWindowsHookEx wsprintfW

winhttp

WinHttpCloseHandle WinHttpConnect WinHttpOpen WinHttpOpenRequest WinHttpQueryDataAvailable WinHttpReadData WinHttpReceiveResponse WinHttpSendRequest WinHttpSetOption

Name

.text

Size

1.8MB

Virtual Size

1.8MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.data

Size

24KB

Virtual Size

23KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rdata

Size

149KB

Virtual Size

149KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.eh_fram

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.pdata

Size

67KB

Virtual Size

66KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.xdata

Size

91KB

Virtual Size

91KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.bss

Size

Virtual Size

135KB

Characteristics

IMAGE_SCN_CNT_UNINITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.idata

Size

13KB

Virtual Size

12KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.tls

Size

512B

Virtual Size

32B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.reloc

Size

9KB

Virtual Size

8KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

implant_full.exe

advapi32

bcrypt

crypt32

d3d11

gdi32

gdiplus

kernel32

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-time-l1-1-0

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

ole32

oleaut32

shell32

user32

winhttp

generic