Behavioral task
behavioral1
Sample
fd42eba50bc383aedeebedea992b3990e3a9fa04a73b574c0528d3cf2f2f9749.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
fd42eba50bc383aedeebedea992b3990e3a9fa04a73b574c0528d3cf2f2f9749.exe
Resource
win10v2004-20240226-en
General
-
Target
fd42eba50bc383aedeebedea992b3990e3a9fa04a73b574c0528d3cf2f2f9749
-
Size
462KB
-
MD5
71123c7a5361ad29f87de9599f47376b
-
SHA1
356abaae92952bebef177b446baf61cde4c0a334
-
SHA256
fd42eba50bc383aedeebedea992b3990e3a9fa04a73b574c0528d3cf2f2f9749
-
SHA512
9c4e377a2557c358b8554d73e7ff925be3876b29213f092052fde2eaf7b86f15480eafe579fdf86880387e148dba565883253ce74e7371764cac6b4d5cde661e
-
SSDEEP
12288:9oCqKde3G314caiojGRoaOd+2sfZsuVg:eAdIG314cFo4Od+NZvS
Malware Config
Extracted
remcos
RemoteHost
apartachord2.con-ip.com:2200
-
audio_folder
MicRecords
-
audio_path
%AppData%
-
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
true
-
install_flag
false
-
install_path
%AppData%
-
keylog_crypt
true
-
keylog_file
logosdat.dat
-
keylog_flag
false
-
keylog_folder
logosdat
-
keylog_path
ApplicationPath
-
mouse_option
false
-
mutex
Remcosprivates-X4MTGI
-
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
-
take_screenshot_title
notepad;solitaire;
Signatures
-
Remcos family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource fd42eba50bc383aedeebedea992b3990e3a9fa04a73b574c0528d3cf2f2f9749
Files
-
fd42eba50bc383aedeebedea992b3990e3a9fa04a73b574c0528d3cf2f2f9749.exe windows:5 windows x86 arch:x86
029a987f21e33b48f24d21b6f9ff1129
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetLocaleInfoA
CreateToolhelp32Snapshot
OpenMutexA
Process32NextW
LoadLibraryA
Process32FirstW
GetProcAddress
VirtualProtect
SetLastError
VirtualFree
VirtualAlloc
GetNativeSystemInfo
HeapAlloc
GetProcessHeap
FreeLibrary
IsBadReadPtr
GetTempPathW
OpenProcess
lstrcatW
GetCurrentProcessId
GetTempFileNameW
GetCurrentProcess
GetSystemDirectoryA
GlobalAlloc
GlobalLock
GetTickCount
GlobalUnlock
WriteProcessMemory
ResumeThread
GetThreadContext
VirtualAllocEx
ReadProcessMemory
CreateProcessW
SetThreadContext
LocalAlloc
GlobalFree
MulDiv
SizeofResource
GetLongPathNameW
SetFilePointer
FindResourceA
LockResource
LoadResource
LocalFree
FormatMessageA
GetModuleFileNameA
lstrcpynA
AllocConsole
CreateMutexA
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
GetStdHandle
GetModuleHandleExW
MoveFileExW
RtlUnwind
RaiseException
LoadLibraryExW
GetCPInfo
GetStringTypeW
GetLocaleInfoW
LCMapStringW
CompareStringW
TlsFree
TlsSetValue
CopyFileW
DeleteFileA
ExpandEnvironmentStringsA
FindNextFileA
FindFirstFileA
GetFileSize
TerminateThread
CreateDirectoryW
GetLastError
SetFileAttributesW
GetModuleHandleA
RemoveDirectoryW
MoveFileW
SetFilePointerEx
GetLogicalDriveStringsA
DeleteFileW
GetFileAttributesW
FindClose
lstrlenA
GetDriveTypeA
FindNextFileW
GetFileSizeEx
FindFirstFileW
ExitProcess
CreateProcessA
PeekNamedPipe
CreatePipe
TerminateProcess
ReadFile
HeapFree
HeapCreate
CreateEventA
GetLocalTime
CreateThread
SetEvent
CreateEventW
WaitForSingleObject
Sleep
GetModuleFileNameW
CloseHandle
ExitThread
CreateFileW
WriteFile
QueryPerformanceFrequency
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
MultiByteToWideChar
DecodePointer
EncodePointer
WideCharToMultiByte
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
IsProcessorFeaturePresent
GetStartupInfoW
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
GetModuleHandleW
WaitForSingleObjectEx
ResetEvent
SetEndOfFile
user32
SetForegroundWindow
SetClipboardData
EnumWindows
ExitWindowsEx
EmptyClipboard
ShowWindow
SetWindowTextW
MessageBoxW
IsWindowVisible
TranslateMessage
DispatchMessageA
GetMessageA
GetWindowTextW
wsprintfW
GetClipboardData
UnhookWindowsHookEx
GetForegroundWindow
GetWindowThreadProcessId
GetKeyboardLayout
SetWindowsHookExA
CloseClipboard
OpenClipboard
GetKeyboardState
CallNextHookEx
CloseWindow
SendInput
mouse_event
DrawIcon
GetSystemMetrics
GetIconInfo
SystemParametersInfoW
GetCursorPos
RegisterClassExA
GetKeyboardLayoutNameA
GetWindowTextLengthW
GetKeyState
ToUnicodeEx
AppendMenuA
CreateWindowExA
DefWindowProcA
TrackPopupMenu
CreatePopupMenu
gdi32
CreateCompatibleBitmap
CreateCompatibleDC
StretchBlt
GetDIBits
DeleteDC
DeleteObject
CreateDCA
GetObjectA
SelectObject
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
ShellExecuteW
ShellExecuteExA
Shell_NotifyIconA
ExtractIconA
shlwapi
PathFileExistsW
PathFileExistsA
StrToIntA
winmm
PlaySoundW
mciSendStringA
mciSendStringW
waveInClose
waveInAddBuffer
waveInStart
waveInOpen
waveInUnprepareHeader
waveInPrepareHeader
waveInStop
ws2_32
send
socket
connect
recv
gethostbyname
WSASetLastError
inet_addr
gethostbyaddr
getservbyport
ntohs
getservbyname
htonl
htons
inet_ntoa
closesocket
WSAGetLastError
WSAStartup
urlmon
URLDownloadToFileW
URLOpenBlockingStreamW
gdiplus
GdiplusStartup
GdipGetImageEncoders
GdipCloneImage
GdipAlloc
GdipDisposeImage
GdipFree
GdipGetImageEncodersSize
GdipSaveImageToStream
GdipSaveImageToFile
GdipLoadImageFromStream
Sections
.text Size: 331KB - Virtual size: 330KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 92KB - Virtual size: 91KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 1024B - Virtual size: 560B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 19KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 14KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ