remcos | Backdoor[.]exe

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General

Target
Backdoor.exe
Size 92KB
Sample240706-25mbwaydpd
SHA256 e6817cfed2b621a7695adafa26c08460f4ac38a0f2a8c5cdc5906d69672d3ffa
MD5 62e0d4fab051f1d20d9ccc740f29a892
SHA1 94f377ee56dcff9ffb9b08cac9eef023d9de53db
SHA512 b0606aa90dfdae577cb8522e6f2d4992a325b2419b9f88a016353ed8bfce8cb2d85ed28e46353a1cf602389bf6d49e79ac4cd83f74685d271208d7bd381e5b92
SSDEEP 1536:4hhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP6vrK:ehzYTGWVvJ8f2v1TbPzuMsIFSHNThy+Z
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

host remcos

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

anyone-blogging.gl.at.ply.gg:22284

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
copy_file
PowerShell.exe
copy_folder
Windows
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
true
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
remcos_xuvodfwuhh
screenshot_crypt
false
screenshot_flag
true
screenshot_folder
Screens
screenshot_path
%AppData%
screenshot_time
10
startup_value
WinShell
take_screenshot_option
true
take_screenshot_time
5
take_screenshot_title
password

Signatures

Remcos family
remcos

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Backdoor.exe

File Explorer

Backdoor.exe

.exe 92KB

Backdoor.exe

IMPHASH d3a62971944197f0701c7049a9c739d1
SHA256 e6817cfed2b621a7695adafa26c08460f4ac38a0f2a8c5cdc5906d69672d3ffa
MD5 62e0d4fab051f1d20d9ccc740f29a892
SHA1 94f377ee56dcff9ffb9b08cac9eef023d9de53db
SHA512 b0606aa90dfdae577cb8522e6f2d4992a325b2419b9f88a016353ed8bfce8cb2d85ed28e46353a1cf602389bf6d49e79ac4cd83f74685d271208d7bd381e5b92
SSDEEP 1536:4hhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP6vrK:ehzYTGWVvJ8f2v1TbPzuMsIFSHNThy+Z
MD5 SHA1 SHA512 SSDEEP

windows:4 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

64904

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

DLL Characteristics

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LINE_NUMS_STRIPPED IMAGE_FILE_LOCAL_SYMS_STRIPPED IMAGE_FILE_32BIT_MACHINE

PDB paths

kernel32

GetModuleFileNameA GetLongPathNameA CreateMutexA OpenMutexA Process32Next Process32First CreateToolhelp32Snapshot SizeofResource LockResource LoadResource FindResourceA GetLocaleInfoA Process32NextW Process32FirstW lstrlenA GetDriveTypeA CreateProcessA GetTickCount GlobalUnlock GlobalLock GlobalAlloc WinExec GetCurrentProcessId CreateDirectoryW CopyFileA GetFileAttributesW GetLogicalDriveStringsA GetCurrentProcess ResumeThread SetThreadContext WriteProcessMemory VirtualAllocEx ReadProcessMemory GetThreadContext VirtualAlloc GlobalFree LocalAlloc TerminateProcess ReadFile PeekNamedPipe GetStdHandle CreatePipe OpenProcess DuplicateHandle GetCurrentThread lstrcpynA ExitProcess AllocConsole GetStartupInfoA ExpandEnvironmentStringsA FindFirstFileA FindNextFileA GetLastError LoadLibraryA GetProcAddress CreateFileMappingA MapViewOfFileEx DeleteFileA RemoveDirectoryA CloseHandle GetFileAttributesA SetFileAttributesA SetEvent TerminateThread FindFirstFileW FindNextFileW FindClose GetLocalTime CreateEventA WaitForSingleObject CreateDirectoryA ExitThread Sleep GetModuleHandleA DeleteFileW CreateThread

user32

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

gdi32

CreateDCA CreateCompatibleDC GetDeviceCaps CreateCompatibleBitmap SelectObject StretchBlt GetObjectA GetDIBits DeleteObject DeleteDC

advapi32

OpenProcessToken LookupPrivilegeValueA AdjustTokenPrivileges RegCreateKeyExA RegQueryInfoKeyA RegEnumKeyExA RegEnumValueA RegDeleteValueA RegCreateKeyA RegSetValueExA RegOpenKeyExA RegDeleteKeyA RegCloseKey RegQueryValueExA GetUserNameW

shell32

ShellExecuteA ExtractIconA Shell_NotifyIconA ShellExecuteExA ShellExecuteW

msvcp60

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??_D?$basic_ifstream@DU?$char_traits@D@std@@@std@@QAEXXZ ?close@?$basic_ifstream@DU?$char_traits@D@std@@@std@@QAEXXZ ?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV12@PADH@Z ?seekg@?$basic_istream@DU?$char_traits@D@std@@@std@@QAEAAV12@JW4seekdir@ios_base@2@@Z ?tellg@?$basic_istream@DU?$char_traits@D@std@@@std@@QAE?AV?$fpos@H@2@XZ ?is_open@?$basic_ifstream@DU?$char_traits@D@std@@@std@@QBE_NXZ ??0?$basic_ifstream@DU?$char_traits@D@std@@@std@@QAE@PBDH@Z ??_D?$basic_ofstream@DU?$char_traits@D@std@@@std@@QAEXXZ ?close@?$basic_ofstream@DU?$char_traits@D@std@@@std@@QAEXXZ ??6std@@YAAAV?$basic_ostream@DU?$char_traits@D@std@@@0@AAV10@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@@Z

msvcrt

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

winmm

waveInOpen waveInStop waveInClose waveInAddBuffer waveInPrepareHeader waveInUnprepareHeader waveInStart

shlwapi

PathFileExistsA

ws2_32

htons gethostbyname closesocket socket send WSAGetLastError connect recv WSAStartup

urlmon

URLDownloadToFileA

gdiplus

GdipLoadImageFromStreamICM GdipDisposeImage GdipCloneImage GdipAlloc GdipSaveImageToStream GdipSaveImageToFile GdipLoadImageFromStream GdiplusStartup GdipGetImageEncoders GdipFree GdipGetImageEncodersSize

wininet

InternetCloseHandle InternetOpenUrlA InternetOpenA InternetReadFile