remcos | a7f5edcad505253c337b7a5dae5d27a17741743daa4f651d3ae3dea4c35e7264

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General

Target
a7f5edcad505253c337b7a5dae5d27a17741743daa4f651d3ae3dea4c35e7264
Size 521KB
Sample240607-a684gsef8s
SHA256 a7f5edcad505253c337b7a5dae5d27a17741743daa4f651d3ae3dea4c35e7264
MD5 a5e0628186f5df95218a49f1493514b7
SHA1 c60030aee93c5406fa872ac1e8a4035088e9d503
SHA512 6db2e7f6e68110bfa478dc59d2f6b5fbab7677e1bc2b1786cb95b89061eb6d95f3fab3d923f59d385ba859e2632a7a1ab6ba8e1607b3e0d047711a42a8c366ff
SSDEEP 6144:SXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZDAXYcNH5Gv:SX7tPMK8ctGe4Dzl4h2QnuPs/ZDKcv
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

uju yak may 2024 remcos

Malware Config

Extracted

Family

remcos

Botnet

UJU YAK MAY 2024

myfrontmannysix.ddns.net:4939
backupfrontmanny.duckdns.org:4939

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
ioul.exe
copy_folder
uiyk
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
-SNB049
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos family
remcos

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
a7f5edcad505253c337b7a5dae5d27a17741743daa4f651d3ae3dea4c35e7264

File Explorer

a7f5edcad505253c337b7a5dae5d27a17741743daa4f651d3ae3dea4c35e7264

.exe 521KB

a7f5edcad505253c337b7a5dae5d27a17741743daa4f651d3ae3dea4c35e7264

IMPHASH 8d5087ff5de35c3fbb9f212b47d63cad
SHA256 a7f5edcad505253c337b7a5dae5d27a17741743daa4f651d3ae3dea4c35e7264
MD5 a5e0628186f5df95218a49f1493514b7
SHA1 c60030aee93c5406fa872ac1e8a4035088e9d503
SHA512 6db2e7f6e68110bfa478dc59d2f6b5fbab7677e1bc2b1786cb95b89061eb6d95f3fab3d923f59d385ba859e2632a7a1ab6ba8e1607b3e0d047711a42a8c366ff
SSDEEP 6144:SXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZDAXYcNH5Gv:SX7tPMK8ctGe4Dzl4h2QnuPs/ZDKcv
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

215535

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

FindNextFileA ExpandEnvironmentStringsA GetLongPathNameW CopyFileW GetLocaleInfoA CreateToolhelp32Snapshot Process32NextW Process32FirstW VirtualProtect SetLastError VirtualFree VirtualAlloc GetNativeSystemInfo HeapAlloc GetProcessHeap FreeLibrary IsBadReadPtr GetTempPathW OpenProcess OpenMutexA lstrcatW GetCurrentProcessId GetTempFileNameW UnmapViewOfFile DuplicateHandle CreateFileMappingW MapViewOfFile GetSystemDirectoryA GlobalAlloc GlobalLock GetTickCount GlobalUnlock WriteProcessMemory ResumeThread GetThreadContext ReadProcessMemory CreateProcessW SetThreadContext LocalAlloc GlobalFree MulDiv SizeofResource QueryDosDeviceW FindFirstVolumeW GetConsoleScreenBufferInfo SetConsoleTextAttribute lstrlenW GetStdHandle SetFilePointer FindResourceA LockResource LoadResource LocalFree FindVolumeClose GetVolumePathNamesForVolumeNameW lstrcpyW FindFirstFileA FormatMessageA FindNextVolumeW AllocConsole lstrcmpW GetModuleFileNameA lstrcpynA 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 GetFileSize TerminateThread GetLastError CreateDirectoryW GetModuleHandleA RemoveDirectoryW MoveFileW SetFilePointerEx GetLogicalDriveStringsA DeleteFileW DeleteFileA SetFileAttributesW GetFileAttributesW FindClose lstrlenA GetDriveTypeA FindNextFileW GetFileSizeEx FindFirstFileW GetModuleHandleW ExitProcess CreateMutexA GetCurrentProcess GetProcAddress LoadLibraryA CreateProcessA PeekNamedPipe CreatePipe TerminateProcess ReadFile HeapFree HeapCreate CreateEventA GetLocalTime CreateThread SetEvent CreateEventW WaitForSingleObject Sleep GetModuleFileNameW CloseHandle ExitThread CreateFileW WriteFile SetConsoleOutputCP TlsAlloc InitializeCriticalSectionAndSpinCount MultiByteToWideChar DecodePointer EncodePointer WideCharToMultiByte InitializeSListHead GetSystemTimeAsFileTime GetCurrentThreadId IsProcessorFeaturePresent GetStartupInfoW SetUnhandledExceptionFilter UnhandledExceptionFilter IsDebuggerPresent WaitForSingleObjectEx ResetEvent SetEndOfFile

user32

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

gdi32

BitBlt CreateCompatibleBitmap SelectObject CreateCompatibleDC StretchBlt GetDIBits DeleteObject CreateDCA GetObjectA DeleteDC

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

ole32

CoInitializeEx CoUninitialize CoGetObject

shlwapi

PathFileExistsW PathFileExistsA StrToIntA

winmm

waveInUnprepareHeader waveInOpen waveInStart waveInAddBuffer PlaySoundW mciSendStringA mciSendStringW waveInClose waveInStop waveInPrepareHeader

ws2_32

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

urlmon

URLOpenBlockingStreamW URLDownloadToFileW

gdiplus

GdipSaveImageToStream GdipGetImageEncodersSize GdipFree GdipDisposeImage GdipAlloc GdipCloneImage GdipGetImageEncoders GdiplusStartup GdipLoadImageFromStream

wininet

InternetOpenUrlW InternetOpenW InternetCloseHandle InternetReadFile

Name

.text

Size

352KB

Virtual Size

352KB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

96KB

Virtual Size

96KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

24KB

Virtual Size

24KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.tls

Size

4KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.gfids

Size

4KB

Virtual Size

4KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.rsrc

Size

20KB

Virtual Size

20KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

16KB

Virtual Size

16KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Extracted

Signatures

File Explorer

a7f5edcad505253c337b7a5dae5d27a17741743daa4f651d3ae3dea4c35e7264

kernel32

user32

gdi32

advapi32

shell32

ole32

shlwapi

winmm

ws2_32

urlmon

gdiplus

wininet

generic