remcos | fc157e6e232bd6ad50f830aeb062ffe6a1a391118dd3d94d05a59e311ab779f9

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General

Target
fc157e6e232bd6ad50f830aeb062ffe6a1a391118dd3d94d05a59e311ab779f9
Size 495KB
Sample260727-zedwpsdb93
SHA256 fc157e6e232bd6ad50f830aeb062ffe6a1a391118dd3d94d05a59e311ab779f9
MD5 ef8c37f9737e86159307321397085262
SHA1 e510c19defed7fbee4128da795fb202f8322e711
SHA512 2506ea2fa8eeaf435797c26682d8eeb3e1cdfe72efe48bbf09a9de8e70b263337d46a8d0acdd3c5398383a0a2cefba70f3635f4ed21c90ea37fb8d609aa1120e
SSDEEP 6144:jbdjQFiTrgVoNW1yRDCrjkC7ZFCSq1zeH4L5WIMOHsAOZZL1XBcYv42:jbdUYCoNW1gGnkCbCSqxeYdsfZLH42
TLSH
T191B4AE02B6D1C072D5B121740D2AE735DAB9BC2129214A7BB3D6DD5BFE30190A73E6B3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

remotehost rat remcos

Malware Config

Extracted

Family

remcos

Version

4.2.0 Pro

Botnet

RemoteHost

51.75.209.245:2406

Attributes

audio_folder
MicRecords
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-52YOYG
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
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
fc157e6e232bd6ad50f830aeb062ffe6a1a391118dd3d94d05a59e311ab779f9

File Explorer

fc157e6e232bd6ad50f830aeb062ffe6a1a391118dd3d94d05a59e311ab779f9

.exe 495KB

fc157e6e232bd6ad50f830aeb062ffe6a1a391118dd3d94d05a59e311ab779f9

IMPHASH c9b0c44044380df67a7de0c7865c0e2a
SHA256 fc157e6e232bd6ad50f830aeb062ffe6a1a391118dd3d94d05a59e311ab779f9
MD5 ef8c37f9737e86159307321397085262
SHA1 e510c19defed7fbee4128da795fb202f8322e711
SHA512 2506ea2fa8eeaf435797c26682d8eeb3e1cdfe72efe48bbf09a9de8e70b263337d46a8d0acdd3c5398383a0a2cefba70f3635f4ed21c90ea37fb8d609aa1120e
SSDEEP 6144:jbdjQFiTrgVoNW1yRDCrjkC7ZFCSq1zeH4L5WIMOHsAOZZL1XBcYv42:jbdUYCoNW1gGnkCbCSqxeYdsfZLH42
TLSH
T191B4AE02B6D1C072D5B121740D2AE735DAB9BC2129214A7BB3D6DD5BFE30190A73E6B3
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

207910

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

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

user32

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

gdi32

SelectObject CreateCompatibleDC StretchBlt GetDIBits DeleteDC DeleteObject CreateDCA GetObjectA CreateCompatibleBitmap

advapi32

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

shell32

ShellExecuteExA Shell_NotifyIconA ExtractIconA ShellExecuteW

shlwapi

StrToIntA PathFileExistsW PathFileExistsA

winmm

waveInUnprepareHeader waveInClose mciSendStringW waveInOpen PlaySoundW waveInStart waveInStop waveInPrepareHeader waveInAddBuffer mciSendStringA

ws2_32

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

urlmon

URLOpenBlockingStreamW URLDownloadToFileW

gdiplus

GdipLoadImageFromStream GdiplusStartup GdipGetImageEncoders GdipSaveImageToStream GdipFree GdipDisposeImage GdipAlloc GdipCloneImage GdipGetImageEncodersSize

wininet

InternetOpenUrlW InternetCloseHandle InternetReadFile InternetOpenW

Name

.text

Size

338KB

Virtual Size

337KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

93KB

Virtual Size

93KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

3KB

Virtual Size

23KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.tls

Size

512B

Virtual Size

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.gfids

Size

1024B

Virtual Size

560B

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

19KB

Virtual Size

18KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

14KB

Virtual Size

14KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Name

.htext

Size

24KB

Virtual Size

24KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Extracted

Signatures

File Explorer

fc157e6e232bd6ad50f830aeb062ffe6a1a391118dd3d94d05a59e311ab779f9

kernel32

user32

gdi32

advapi32

shell32

shlwapi

winmm

ws2_32

urlmon

gdiplus

wininet

generic