remcos | f79b57270528159d48061df39042dc1b33e1ffc9ffb3768d6ee625551a759ab8

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General

Target
f79b57270528159d48061df39042dc1b33e1ffc9ffb3768d6ee625551a759ab8
Size 514KB
Sample260815-zhy12stygy
SHA256 f79b57270528159d48061df39042dc1b33e1ffc9ffb3768d6ee625551a759ab8
MD5 7c7069c72a08e7a77a1191cf07a7b6fe
SHA1 86e6b2cc791ea6700d5466c9690ac9675b02bbc2
SHA512 77ffbf878ee5cf4e42a1ed6f7d8a98cc4e675cea0d053a2ba4415bc593fdb57d320dbc05730b8ccd3bd14c64fb7706dab8c554f6a69cd050859e5092995638fc
SSDEEP 12288:TlQAiR49ckiK7JV8AuE4lKC/kPHM9/IsPZSJj/:Tl0GcNUJV8i4mHM9/DZa
TLSH
T10FB4AF02B6E2C0B2DA7664300936E735DEBC7C31183699AB63D61D5BBD30151DB39BB2
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

5000 rat remcos

Malware Config

Extracted

Family

remcos

Version

7.2.5 Pro

Botnet

5000

54.37.128.55:5000

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-82L1T8
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
f79b57270528159d48061df39042dc1b33e1ffc9ffb3768d6ee625551a759ab8

File Explorer

f79b57270528159d48061df39042dc1b33e1ffc9ffb3768d6ee625551a759ab8

.exe 514KB

f79b57270528159d48061df39042dc1b33e1ffc9ffb3768d6ee625551a759ab8

IMPHASH 7d5125df1b721f19e7f94988d3e3ee5a
SHA256 f79b57270528159d48061df39042dc1b33e1ffc9ffb3768d6ee625551a759ab8
MD5 7c7069c72a08e7a77a1191cf07a7b6fe
SHA1 86e6b2cc791ea6700d5466c9690ac9675b02bbc2
SHA512 77ffbf878ee5cf4e42a1ed6f7d8a98cc4e675cea0d053a2ba4415bc593fdb57d320dbc05730b8ccd3bd14c64fb7706dab8c554f6a69cd050859e5092995638fc
SSDEEP 12288:TlQAiR49ckiK7JV8AuE4lKC/kPHM9/IsPZSJj/:Tl0GcNUJV8i4mHM9/DZa
TLSH
T10FB4AF02B6E2C0B2DA7664300936E735DEBC7C31183699AB63D61D5BBD30151DB39BB2
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

248366

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

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

user32

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

gdi32

BitBlt CreateCompatibleBitmap SelectObject CreateCompatibleDC StretchBlt GetDIBits DeleteDC DeleteObject CreateDCA GetObjectA

advapi32

CryptAcquireContextA CryptGenRandom CryptReleaseContext GetUserNameW RegEnumKeyExA GetTokenInformation AdjustTokenPrivileges LookupPrivilegeValueA OpenProcessToken RegQueryInfoKeyW RegQueryValueExA RegCreateKeyExW RegEnumKeyExW RegSetValueExW RegSetValueExA RegOpenKeyExA RegCreateKeyW RegDeleteValueW RegEnumValueW RegCreateKeyA RegDeleteKeyA RegCloseKey RegOpenKeyExW RegQueryValueExW

shell32

Shell_NotifyIconA ShellExecuteExA ShellExecuteW ExtractIconA

ole32

CoUninitialize CoGetObject CoInitializeEx

winmm

PlaySoundW waveInUnprepareHeader waveInPrepareHeader waveInStop waveInClose waveInStart waveInAddBuffer mciSendStringA waveInOpen mciSendStringW

ws2_32

WSAGetLastError WSAStartup closesocket send inet_ntoa getaddrinfo socket recv connect

urlmon

URLOpenBlockingStreamW URLDownloadToFileW

gdiplus

GdipLoadImageFromStream GdipSaveImageToStream GdipGetImageEncodersSize GdipFree GdipDisposeImage GdipAlloc GdipGetImageEncoders GdiplusStartup GdipCloneImage

wininet

InternetCloseHandle InternetReadFile InternetOpenUrlW InternetOpenW