remcos | rrXcTwCT[.]exe

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General

Target
rrXcTwCT.exe
Size 124KB
Sample220810-yldnvaecdj
SHA256 a0911f69ebcbc93540e63bf007fcab0bbece1a9f55c780ea29fc0a4935e2b93b
MD5 909b5860cad8562a6908b2e043e89da8
SHA1 f35faaa0884f2124d15172e22e889f306a6ab4dc
SHA512 f970df92edb62fe0b7a3d5fe7f540f217b19f00b5e3192aa58acac86f718bacb8966aba2a8db8d8ee17f7c44fa0d1b8d14e32273c26d8f0d172c71b1843200a8
SSDEEP 3072:mpgk9sZwnSD9Pb0CR36oWdHZ8xyicFtsnal5OzqhPL9tn:Cgk9EySD9z0CjeHyxyicFtsnavOzqhPb
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

remotehost remcos

Malware Config

Extracted

Family

remcos

Version

2.5.1 Pro

Botnet

RemoteHost

67.211.213.207:444

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
srchost.exe
copy_folder
srchost
delete_file
true
hide_file
true
hide_keylog_file
true
install_flag
true
install_path
%WinDir%\System32
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
srchost
keylog_path
%AppData%
mouse_option
false
mutex
srchost-93R9LI
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
srchost
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
wikipedia;solitaire;

Signatures

Remcos family
remcos

File Explorer

rrXcTwCT.exe

.exe 124KB

rrXcTwCT.exe

IMPHASH 5f0c90c109d16124e83cb7a25caef54f
SHA256 a0911f69ebcbc93540e63bf007fcab0bbece1a9f55c780ea29fc0a4935e2b93b
MD5 909b5860cad8562a6908b2e043e89da8
SHA1 f35faaa0884f2124d15172e22e889f306a6ab4dc
SHA512 f970df92edb62fe0b7a3d5fe7f540f217b19f00b5e3192aa58acac86f718bacb8966aba2a8db8d8ee17f7c44fa0d1b8d14e32273c26d8f0d172c71b1843200a8
SSDEEP 3072:mpgk9sZwnSD9Pb0CR36oWdHZ8xyicFtsnal5OzqhPL9tn:Cgk9EySD9z0CjeHyxyicFtsnavOzqhPb
MD5 SHA1 SHA512 SSDEEP

windows x86

Minor OS version

Major OS version

Entry point

80756

Magic Number

267

Subsystem

DLL Characteristics

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE

PDB paths

kernel32

CreateMutexA OpenMutexA GetModuleHandleA Process32NextW Process32FirstW CreateToolhelp32Snapshot SizeofResource LockResource LoadResource FindResourceA GetLocaleInfoA OpenProcess GetCurrentProcessId lstrcatW GetTempFileNameW GetTempPathW GetTickCount GlobalUnlock GlobalLock GlobalAlloc CopyFileW ResumeThread SetThreadContext WriteProcessMemory VirtualAllocEx ReadProcessMemory GetThreadContext VirtualAlloc CreateProcessW GlobalFree LocalAlloc DuplicateHandle GetCurrentThread GetLongPathNameW lstrcpynA GetModuleFileNameA ExitProcess AllocConsole GetStartupInfoA ExpandEnvironmentStringsA FindFirstFileA FindNextFileA DeleteFileA GetLastError LoadLibraryA GetProcAddress CreateFileMappingA MapViewOfFileEx RemoveDirectoryW SetFileAttributesW TerminateThread FindClose GetLogicalDriveStringsA GetFileAttributesW DeleteFileW GetFileSize SetFilePointer GetDriveTypeA lstrlenA FindFirstFileW FindNextFileW CreatePipe CreateProcessA PeekNamedPipe ReadFile TerminateProcess SetEvent HeapCreate HeapFree ExitThread GetLocalTime CreateEventA WaitForSingleObject CreateThread GetModuleFileNameW Sleep CreateDirectoryW CreateFileW WriteFile CloseHandle GetCurrentProcess

user32

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

gdi32

CreateDCA CreateCompatibleDC GetDeviceCaps CreateCompatibleBitmap DeleteDC DeleteObject SelectObject GetDIBits GetObjectA StretchBlt

advapi32

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

shell32

ExtractIconA Shell_NotifyIconA ShellExecuteExA ShellExecuteW

msvcrt

_controlfp _except_handler3 __set_app_type __p__fmode __p__commode _adjust_fdiv __setusermatherr _initterm __getmainargs _acmdln _XcptFilter _exit ??1type_info@@UAE@XZ _onexit __dllonexit _iob freopen wcscat _itow srand rand _wsystem wcscpy wcslen _wgetenv toupper sprintf tolower wcscmp _wrename exit getenv printf strncmp malloc free _EH_prolog __CxxFrameHandler ??3@YAXPAX@Z _CxxThrowException ??0exception@@QAE@ABV0@@Z time localtime strftime atoi _ftol ??2@YAPAXI@Z swprintf _itoa

msvcp60

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??0?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAE@ABV?$allocator@G@1@@Z

shlwapi

PathFileExistsW PathFileExistsA StrToIntA

winmm

PlaySoundW mciSendStringA waveInStop waveInOpen waveInClose waveInUnprepareHeader waveInPrepareHeader mciSendStringW waveInAddBuffer waveInStart

ws2_32

htons gethostbyname closesocket inet_ntoa socket connect recv send WSAStartup

urlmon

URLDownloadToFileW URLOpenBlockingStreamW

gdiplus

GdipLoadImageFromStreamICM GdipLoadImageFromStream GdipDisposeImage GdipCloneImage GdipAlloc GdipSaveImageToStream GdipSaveImageToFile GdiplusStartup GdipGetImageEncoders GdipGetImageEncodersSize GdipFree

wininet

InternetCloseHandle InternetOpenUrlA InternetOpenA InternetReadFile