remcos | S8T1[.]exe

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General

Target
S8T1.exe
Size 646KB
Sample260925-3b5f2aygla
SHA256 5b50d1394e6feae7922f683b57cdd67a68fe2785699e4cf6bb04bf04dba55790
MD5 b9c0e6701431fb858570bc807ffb944c
SHA1 61c0d077ca797dafe250cc0700bed2a1482d1671
SHA512 dcc8a68ac47e27de6dc10e219bea1e650cc534b1fd88bc3cbb4a52935aa8cadaf4349a30bb6bc3a5bc20d31285b4647322685c42e254dd734f2067e7e059f974
SSDEEP 12288:zIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:05GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
TLSH
T15CE46D59A39402F8D0B7C135C982952BE7B2BC065571472F03E70E9B2F276A16F3EB16
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

remotehost rat remcos

Malware Config

Extracted

Family

remcos

Version

7.3.1 Pro

Botnet

RemoteHost

kuwing.org:443
mb66ax.com:443
healixai.tech:443
upakari.in:443
tribalswar.top:443
s666hn.com:443
eodev.org:443
ww88com.co:443
aoimichelle.me:443
uu8833.com:443
tribalwars.top:80
mb66ax.com:80
healixai.tech:80
upakari.in:80
kuwing.org:80
s666hn.com:80
eodev.org:80
ww88com.co:80
aoimichelle.me:80
uu8833.com:80
www.uu8833.com:80
www.uu8833.com:443
www.aoimichelle.me:443
www.aoimichelle.me:80
www.ww88com.co:80
www.ww88com.co:443
www.eodev.org:443
www.eodev.org:80
www.s666hn.com:80
www.s666hn.com:443
www.kuwing.org:443
www.kuwing.org:80
www.upakari.in:80
www.upakari.in:443
www.healixai.tech:443
www.healixai.tech:80
www.mb66ax.com:80
www.mb66ax.com:443
www.tribalwars.top:443
www.tribalwars.top:80
calebmedia.in:80
calebmedia.in:443
www.calebmedia.in:443
www.calebmedia.in:80
kuwing.org:8080
calebmedia.in:8080
joycasino-cmk.top:8080
joycasino-cmk.top:80
joycasino-cmk.top:443
www.joycasino-cmk.top:443
www.joycasino-cmk.top:80

Attributes

audio_folder
MicRecords
audio_path
%Temp%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
RemoteBotnet.exe
copy_folder
s8
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
true
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
fsociety415
mouse_option
false
mutex
Remcos-URZYYC
screenshot_crypt
false
screenshot_flag
true
screenshot_folder
Screenshots
screenshot_path
%SystemDrive%
screenshot_time
1
startup_value
take_screenshot_option
true
take_screenshot_time
5
take_screenshot_title
chrome;discord;facebook;telegram;whatsapp;youtube;instagram;tiktok;spotify;netflix;zoom;teams;slack;steam;vlc;coccoc

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
S8T1.exe

File Explorer

S8T1.exe

.exe 646KB

S8T1.exe

IMPHASH 91e69cff27767212388496ea08379c84
SHA256 5b50d1394e6feae7922f683b57cdd67a68fe2785699e4cf6bb04bf04dba55790
MD5 b9c0e6701431fb858570bc807ffb944c
SHA1 61c0d077ca797dafe250cc0700bed2a1482d1671
SHA512 dcc8a68ac47e27de6dc10e219bea1e650cc534b1fd88bc3cbb4a52935aa8cadaf4349a30bb6bc3a5bc20d31285b4647322685c42e254dd734f2067e7e059f974
SSDEEP 12288:zIfxS5XkH4nOqwitNfuquCwgs69gy3V5v+BNyo3PoL5aDz:05GXkH4nnwitNfuq9wgs3y3V5vgNyo3E
TLSH
T15CE46D59A39402F8D0B7C135C982952BE7B2BC065571472F03E70E9B2F276A16F3EB16
MD5 SHA1 SHA512 SSDEEP TLSH

windows:5 windows x64 arch:x64

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

312880

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

kernel32

GetLogicalDriveStringsA SetFilePointerEx MoveFileW RemoveDirectoryW GetModuleHandleA TerminateThread GetFileSize LoadLibraryW FreeLibrary WideCharToMultiByte ExpandEnvironmentStringsW GetEnvironmentVariableW MultiByteToWideChar GetModuleFileNameW CreateToolhelp32Snapshot Process32NextW Process32FirstW GetLongPathNameW CopyFileW InitializeCriticalSection GetLocaleInfoA VirtualProtect HeapFree SetLastError VirtualFree VirtualAlloc LoadLibraryA GetNativeSystemInfo HeapAlloc GetProcessHeap IsBadReadPtr GetTempPathW OpenProcess lstrcatW GetCurrentProcessId GetTempFileNameW GlobalAlloc GlobalLock GetTickCount GlobalUnlock LocalAlloc GlobalFree MulDiv SizeofResource QueryDosDeviceW FindFirstVolumeW GetConsoleScreenBufferInfo SetConsoleTextAttribute lstrlenW GetStdHandle SetFilePointer FindResourceA FormatMessageW LockResource LoadResource LocalFree MoveFileExW FindVolumeClose GetVolumePathNamesForVolumeNameW DeleteFileW SetConsoleOutputCP FormatMessageA FindNextVolumeW AllocConsole lstrcmpW WriteProcessMemory Wow64SetThreadContext Wow64GetThreadContext GetThreadContext SetThreadContext ResumeThread GetModuleFileNameA lstrcpynA QueryPerformanceCounter DeleteCriticalSection SetEndOfFile 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 RtlPcToFileHeader RtlUnwindEx GetCPInfo GetStringTypeW GetLocaleInfoW LCMapStringW RtlUnwind CompareStringW DecodePointer DeleteFileA GetLastError SetFileAttributesW GetFileAttributesW FindClose lstrlenA GetDriveTypeA FindNextFileW GetFileSizeEx GetModuleHandleW FindFirstFileW ExitProcess GetProcAddress OpenMutexA CreateMutexA GetCurrentProcess CreateProcessA PeekNamedPipe CreatePipe TerminateProcess ReadFile CreateEventA GetLocalTime CreateThread SetEvent CreateEventW WaitForSingleObject Sleep CloseHandle ExitThread CreateFileW LeaveCriticalSection WriteFile EnterCriticalSection lstrcpyW CreateDirectoryW EncodePointer TlsFree TlsSetValue TlsGetValue TlsAlloc SwitchToThread InitializeSListHead GetSystemTimeAsFileTime GetCurrentThreadId IsProcessorFeaturePresent GetStartupInfoW SetUnhandledExceptionFilter UnhandledExceptionFilter IsDebuggerPresent RtlVirtualUnwind RtlLookupFunctionEntry RtlCaptureContext 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 AppendMenuA CreateWindowExA DefWindowProcA CreatePopupMenu GetMessageA DispatchMessageA TranslateMessage ExitWindowsEx TrackPopupMenu

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

waveInOpen waveInUnprepareHeader waveInPrepareHeader waveInStart waveInAddBuffer waveInClose mciSendStringW mciSendStringA PlaySoundW waveInStop

ws2_32

recv connect socket WSAGetLastError send inet_ntoa closesocket WSAStartup getaddrinfo

urlmon

URLOpenBlockingStreamW URLDownloadToFileW

gdiplus

GdipLoadImageFromStream GdipFree GdipDisposeImage GdipSaveImageToStream GdipAlloc GdipCloneImage GdipGetImageEncoders GdiplusStartup GdipGetImageEncodersSize

wininet

InternetReadFile InternetCloseHandle InternetOpenUrlW InternetOpenW