remcos | a1b8c101b43b5c3de1a28498ad7806226dc218b8f958d420bda82347e8a4c040

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General

Target
a1b8c101b43b5c3de1a28498ad7806226dc218b8f958d420bda82347e8a4c040
Size 501KB
Sample261022-zfd8vstyhv
SHA256 a1b8c101b43b5c3de1a28498ad7806226dc218b8f958d420bda82347e8a4c040
MD5 3ca38910b613ced5f55ecc1ac04bfb89
SHA1 6c5bd1574d05b9bed3afcaf9479d226385a1efd0
SHA512 ccd484765edcdb5d18a25ba8ff3c67e10c22bbe0930a8a7ba76105787a28788885c93978c16573c4defb282c4e23bba8c24ea1771c3e15b386d1e60835bb80dc
SSDEEP 6144:yc+9xjPeS6PuFy0cGUPWQ8bovAjvklXbBndyWOJd9NvHz4bsAORZB6Xu2YcxamP7:L+atRbGI8ovKclXbajJ7NwsPZBRmPFN
TLSH
T1FCB4AE01B6C2C0B2D77655300426E774CFBDBE211972DE7BA7EA0D5BEE311409A39E62
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

tor21ad rat remcos

Malware Config

Extracted

Family

remcos

Botnet

tor21ad

tol0ka.top:6448

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-OPHSC5
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Family: Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
a1b8c101b43b5c3de1a28498ad7806226dc218b8f958d420bda82347e8a4c040

File Explorer

a1b8c101b43b5c3de1a28498ad7806226dc218b8f958d420bda82347e8a4c040

.exe 501KB

a1b8c101b43b5c3de1a28498ad7806226dc218b8f958d420bda82347e8a4c040

IMPHASH 78a3bdf3c5b9bd3972e77fa90dce8f2d
SHA256 a1b8c101b43b5c3de1a28498ad7806226dc218b8f958d420bda82347e8a4c040
MD5 3ca38910b613ced5f55ecc1ac04bfb89
SHA1 6c5bd1574d05b9bed3afcaf9479d226385a1efd0
SHA512 ccd484765edcdb5d18a25ba8ff3c67e10c22bbe0930a8a7ba76105787a28788885c93978c16573c4defb282c4e23bba8c24ea1771c3e15b386d1e60835bb80dc
SSDEEP 6144:yc+9xjPeS6PuFy0cGUPWQ8bovAjvklXbBndyWOJd9NvHz4bsAORZB6Xu2YcxamP7:L+atRbGI8ovKclXbajJ7NwsPZBRmPFN
TLSH
T1FCB4AE01B6C2C0B2D77655300426E774CFBDBE211972DE7BA7EA0D5BEE311409A39E62
MD5 SHA1 SHA512 SSDEEP TLSH

windows:5 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

225670

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE

PDB paths

kernel32

FindNextFileA ExpandEnvironmentStringsA GetModuleFileNameW GetVersionExW CreateToolhelp32Snapshot Process32NextW Process32FirstW GetLongPathNameW InitializeCriticalSection GetLocaleInfoA VirtualProtect HeapFree SetLastError VirtualFree VirtualAlloc LoadLibraryA GetNativeSystemInfo HeapAlloc GetProcessHeap FreeLibrary IsBadReadPtr GetTempPathW OpenProcess lstrcatW GetCurrentProcessId GetTempFileNameW GetSystemDirectoryA GlobalAlloc GlobalLock GetTickCount GlobalUnlock WriteProcessMemory ResumeThread GetThreadContext ReadProcessMemory SetThreadContext LocalAlloc GlobalFree MulDiv SizeofResource QueryDosDeviceW FindFirstVolumeW GetConsoleScreenBufferInfo SetConsoleTextAttribute lstrlenW GetStdHandle SetFilePointer FindResourceA FormatMessageW LockResource LoadLibraryW LoadResource LocalFree FindVolumeClose GetFileSize lstrcpyW SetConsoleOutputCP FormatMessageA FindNextVolumeW AllocConsole lstrcmpW GetModuleFileNameA lstrcpynA QueryPerformanceFrequency QueryPerformanceCounter DeleteCriticalSection HeapSize WriteConsoleW SetStdHandle SetEnvironmentVariableW SetEnvironmentVariableA FreeEnvironmentStringsW GetEnvironmentStringsW GetCommandLineW GetCommandLineA GetOEMCP IsValidCodePage FindFirstFileExA HeapReAlloc ReadConsoleW GetConsoleMode GetConsoleCP FlushFileBuffers GetFileType GetTimeZoneInformation EnumSystemLocalesW GetUserDefaultLCID IsValidLocale GetTimeFormatW GetDateFormatW GetACP GetModuleHandleExW MoveFileExW LoadLibraryExW RaiseException RtlUnwind GetCPInfo GetStringTypeW GetLocaleInfoW LCMapStringW CompareStringW MultiByteToWideChar DecodePointer EncodePointer TlsFree TlsSetValue TerminateThread GetModuleHandleA RemoveDirectoryW MoveFileW SetFilePointerEx GetLogicalDriveStringsA CreateDirectoryW DeleteFileW DeleteFileA GetLastError FindFirstFileA SetFileAttributesW GetFileAttributesW FindClose lstrlenA GetDriveTypeA FindNextFileW GetFileSizeEx FindFirstFileW GetModuleHandleW ExitProcess GetProcAddress OpenMutexA CreateMutexA GetCurrentProcess CopyFileW CreateProcessW CreateProcessA PeekNamedPipe CreatePipe TerminateProcess ReadFile CreateEventA GetLocalTime CreateThread SetEvent CreateEventW WaitForSingleObject Sleep CloseHandle ExitThread CreateFileW LeaveCriticalSection WriteFile EnterCriticalSection GetVolumePathNamesForVolumeNameW TlsGetValue TlsAlloc SwitchToThread WideCharToMultiByte InitializeSListHead GetSystemTimeAsFileTime GetCurrentThreadId IsProcessorFeaturePresent GetStartupInfoW SetUnhandledExceptionFilter UnhandledExceptionFilter IsDebuggerPresent WaitForSingleObjectEx ResetEvent InitializeCriticalSectionAndSpinCount SetEndOfFile

user32

DefWindowProcA TranslateMessage DispatchMessageA GetMessageA GetWindowTextW wsprintfW GetClipboardData UnhookWindowsHookEx GetForegroundWindow ToUnicodeEx GetKeyboardLayout SetWindowsHookExA CloseClipboard OpenClipboard GetKeyboardState CallNextHookEx GetKeyboardLayoutNameA GetKeyState GetWindowTextLengthW GetWindowThreadProcessId SetForegroundWindow SetClipboardData EnumWindows ExitWindowsEx EmptyClipboard ShowWindow SetWindowTextW MessageBoxW IsWindowVisible CreateWindowExA SendInput EnumDisplaySettingsW mouse_event MapVirtualKeyA DrawIcon TrackPopupMenu CreatePopupMenu AppendMenuA RegisterClassExA GetCursorPos SystemParametersInfoW GetIconInfo CloseWindow GetSystemMetrics

gdi32

BitBlt CreateCompatibleBitmap SelectObject StretchBlt GetDIBits DeleteDC DeleteObject CreateDCA GetObjectA CreateCompatibleDC

advapi32

AdjustTokenPrivileges CryptAcquireContextA CryptGenRandom CryptReleaseContext GetUserNameW RegEnumKeyExA GetTokenInformation QueryServiceStatus CloseServiceHandle OpenSCManagerW OpenSCManagerA ControlService StartServiceW QueryServiceConfigW ChangeServiceConfigW OpenServiceW EnumServicesStatusW RegDeleteKeyA LookupPrivilegeValueA OpenProcessToken RegQueryInfoKeyW RegQueryValueExA RegCreateKeyExW RegEnumKeyExW RegSetValueExW RegSetValueExA RegOpenKeyExA RegOpenKeyExW RegCreateKeyW RegDeleteValueW RegEnumValueW RegQueryValueExW RegCreateKeyA RegCloseKey

shell32

ShellExecuteExA Shell_NotifyIconA ExtractIconA ShellExecuteW

ole32

CoGetObject CoInitializeEx CoUninitialize

shlwapi

PathFileExistsW StrToIntA PathFileExistsA

winmm

mciSendStringW waveInClose waveInStop waveInPrepareHeader PlaySoundW waveInOpen waveInStart waveInAddBuffer waveInUnprepareHeader mciSendStringA

ws2_32

socket send connect WSAGetLastError WSAStartup closesocket inet_ntoa htons htonl getservbyname ntohs getservbyport gethostbyaddr inet_addr WSASetLastError gethostbyname recv

urlmon

URLDownloadToFileW URLOpenBlockingStreamW

gdiplus

GdiplusStartup GdipGetImageEncoders GdipCloneImage GdipLoadImageFromStream GdipSaveImageToStream GdipGetImageEncodersSize GdipFree GdipDisposeImage GdipAlloc

wininet

InternetOpenUrlW InternetOpenW InternetCloseHandle InternetReadFile

Name

.text

Size

355KB

Virtual Size

356KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

101KB

Virtual Size

104KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.data

Size

3KB

Virtual Size

24KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

19KB

Virtual Size

20KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

16KB

Virtual Size

16KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

fmbrdv

Size

5KB

Virtual Size

8KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Extracted

Signatures

File Explorer

a1b8c101b43b5c3de1a28498ad7806226dc218b8f958d420bda82347e8a4c040

kernel32

user32

gdi32

advapi32

shell32

ole32

shlwapi

winmm

ws2_32

urlmon

gdiplus

wininet

generic