Behavioral task
behavioral1
Sample
776-82-0x0000000000A00000-0x0000000001A00000-memory.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
776-82-0x0000000000A00000-0x0000000001A00000-memory.exe
Resource
win10v2004-20240319-en
General
-
Target
776-82-0x0000000000A00000-0x0000000001A00000-memory.dmp
-
Size
16.0MB
-
MD5
f8fe5ec6ea77652e86d7da6e78bf03e8
-
SHA1
8773ac3b29bb08d6f62063e43ee3fbee7b9797a1
-
SHA256
bb79ec35732cbc01f484c29cc7049896c0159c4ff96c03f5f6be93db54f8930d
-
SHA512
32adb2c77d5fd0ab7b923eb70ca9256a085fd8315649216cd5aac3f5d3ce89b850a63a59c96d82b4e54cdb6744641dde1241a835bf1ff4c458e732b461858818
-
SSDEEP
12288:ZvjNPsUdccNme4jTFYBWwnQSbs/ZDVcvs:ZxXccNmeQwnQSeZ
Malware Config
Extracted
remcos
RemoteHost
127.0.0.1:47212
officerem.duckdns.org:47212
-
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-I8N3XG
-
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
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 776-82-0x0000000000A00000-0x0000000001A00000-memory.dmp
Files
-
776-82-0x0000000000A00000-0x0000000001A00000-memory.dmp.exe windows:5 windows x86 arch:x86
8d5087ff5de35c3fbb9f212b47d63cad
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
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
Sections
.text Size: 352KB - Virtual size: 352KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 96KB - Virtual size: 96KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 24KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 20KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 16KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ