remcos | b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d_payload[.]exe

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General

Target
b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d_payload.exe
Size 469KB
Sample240519-pkpv2sha29
SHA256 f80ef6d3aba9cc2a3f1b369285a32be4b48b614fc5d5b2e92168e45fda3a7971
MD5 0cf0b5052eee16711e158e1d4d75c380
SHA1 bf5408a8ab921779b70c33380aeb6487522b6928
SHA512 bc4301bea1b53795a3e37b513cc92b5c1d433e530da223546119c5f28c61ce16e7c790430e6339316587751cd7c719a1f1bb30b7eb4089894cff24404091f0f8
SSDEEP 12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSjn9:uiLJbpI7I2WhQqZ7j9
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

76364 remcos

Malware Config

Extracted

Family

remcos

Botnet

76364

103.150.8.12:5689

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-FF0K7G
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

Remcos family
remcos

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d_payload.exe

File Explorer

b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d_payload.exe

.exe 469KB

b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d_payload.exe

IMPHASH 5d354883fe6f15fcf48045037a99fb7a
SHA256 f80ef6d3aba9cc2a3f1b369285a32be4b48b614fc5d5b2e92168e45fda3a7971
MD5 0cf0b5052eee16711e158e1d4d75c380
SHA1 bf5408a8ab921779b70c33380aeb6487522b6928
SHA512 bc4301bea1b53795a3e37b513cc92b5c1d433e530da223546119c5f28c61ce16e7c790430e6339316587751cd7c719a1f1bb30b7eb4089894cff24404091f0f8
SSDEEP 12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSjn9:uiLJbpI7I2WhQqZ7j9
MD5 SHA1 SHA512 SSDEEP

windows:5 windows x86 arch:x86

Unsigned PE

Checks for missing Authenticode signature.

Minor OS version

Major OS version

Entry point

206756

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 SetFilePointer FindResourceA LockResource LoadResource LocalFree FormatMessageA AllocConsole GetModuleFileNameA lstrcpynA QueryPerformanceFrequency GetLongPathNameW 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 GetStdHandle GetModuleHandleExW MoveFileExW RtlUnwind RaiseException LoadLibraryExW GetCPInfo GetStringTypeW GetLocaleInfoW LCMapStringW CompareStringW TlsFree TlsSetValue ExpandEnvironmentStringsA FindNextFileA FindFirstFileA GetFileSize TerminateThread GetLastError SetFileAttributesW GetModuleHandleA RemoveDirectoryW MoveFileW CreateDirectoryW SetFilePointerEx GetLogicalDriveStringsA DeleteFileW DeleteFileA 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 QueryPerformanceCounter TlsGetValue TlsAlloc InitializeCriticalSectionAndSpinCount MultiByteToWideChar DecodePointer EncodePointer WideCharToMultiByte InitializeSListHead GetSystemTimeAsFileTime GetCurrentThreadId IsProcessorFeaturePresent GetStartupInfoW SetUnhandledExceptionFilter UnhandledExceptionFilter IsDebuggerPresent GetModuleHandleW WaitForSingleObjectEx ResetEvent SetEndOfFile

user32

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

gdi32

CreateCompatibleBitmap SelectObject CreateCompatibleDC StretchBlt GetDIBits DeleteDC DeleteObject CreateDCA GetObjectA

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

waveInPrepareHeader waveInStop waveInUnprepareHeader mciSendStringA PlaySoundW waveInOpen waveInStart waveInAddBuffer waveInClose mciSendStringW

ws2_32

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

urlmon

URLDownloadToFileW URLOpenBlockingStreamW

gdiplus

GdiplusStartup GdipGetImageEncoders GdipCloneImage GdipAlloc GdipDisposeImage GdipFree GdipGetImageEncodersSize GdipSaveImageToStream GdipLoadImageFromStream

wininet

InternetOpenUrlW InternetCloseHandle InternetReadFile InternetOpenW

Name

.text

Size

337KB

Virtual Size

336KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

93KB

Virtual Size

92KB

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

Sharing

General

Malware Config

Extracted

Signatures

File Explorer

b1801e102f5cb5dce9e2628bd80932a39bd57ff68d32c824ad4443f7bd00ea2d_payload.exe

kernel32

user32

gdi32

advapi32

shell32

shlwapi

winmm

ws2_32

urlmon

gdiplus

wininet

generic