Behavioral task
behavioral1
Sample
ProcessKO.exe
Resource
win10-20220901-en
Behavioral task
behavioral2
Sample
ProcessKO.exe
Resource
win7-20220812-en
General
-
Target
ProcessKO.exe
-
Size
124KB
-
MD5
ca8cb6abd81db6107fe35cfbb7cbd8e6
-
SHA1
4a645ae8ab0da7092503e9cee6ce66032897a0af
-
SHA256
1dec2e1465205a4a69f71ce916c2f970072b8e6b1b075748bed557f3449940b4
-
SHA512
1046274e86986ae1f48ac47a63cb65bbc1761266169a9ed6b38461589293110779dc1f9587eef51c833e361a959c2a37a8edbf11980df471e29964a8259a41cd
-
SSDEEP
3072:tYZXD5IEkbYx2jHtmk0NdAL9cRu8rox/A7pZ5QmxeY+zQMNQIbJ:tYZXFEY47tP0UpKmA7pZ5QmxL+zQMNQI
Malware Config
Extracted
remcos
2.2.0 Pro
Planes2
remfff.duckdns.org:48604
-
audio_folder
audio
-
audio_path
%AppData%
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
5
-
copy_file
csrss.exe
-
copy_folder
csrss.exe
-
delete_file
false
-
hide_file
true
-
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
RemcosXs-H20591
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
csrss.exe
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
-
Remcos family
Files
-
ProcessKO.exe.exe windows x86
a419d76c18731315640607e1e8189149
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
CopyFileW
GetLongPathNameW
CreateMutexA
OpenMutexA
Process32NextW
Process32FirstW
CreateToolhelp32Snapshot
SizeofResource
LockResource
LoadResource
FindResourceA
GetLocaleInfoA
OpenProcess
GetCurrentProcessId
lstrcatW
GetTempFileNameW
GetTempPathW
GetTickCount
GlobalUnlock
ExpandEnvironmentStringsA
GlobalAlloc
GetCurrentProcess
ResumeThread
SetThreadContext
WriteProcessMemory
VirtualAllocEx
ReadProcessMemory
GetThreadContext
VirtualAlloc
CreateProcessW
GlobalFree
LocalAlloc
DuplicateHandle
GetCurrentThread
lstrcpynA
GetModuleFileNameA
ExitProcess
AllocConsole
GetStartupInfoA
FindFirstFileA
FindNextFileA
DeleteFileA
GetLastError
CreateFileMappingA
MapViewOfFileEx
RemoveDirectoryW
SetFileAttributesW
TerminateThread
FindClose
GetLogicalDriveStringsA
GetFileAttributesW
DeleteFileW
GetFileSize
SetFilePointer
GetDriveTypeA
lstrlenA
FindFirstFileW
FindNextFileW
LoadLibraryA
GetProcAddress
CreatePipe
CreateProcessA
PeekNamedPipe
ReadFile
TerminateProcess
SetEvent
HeapCreate
HeapFree
GetLocalTime
CreateEventA
WaitForSingleObject
GetModuleFileNameW
CreateDirectoryW
CreateFileW
WriteFile
CloseHandle
ExitThread
Sleep
GetModuleHandleA
GlobalLock
CreateThread
user32
CallNextHookEx
GetKeyState
GetWindowTextA
GetWindowTextLengthA
GetForegroundWindow
UnhookWindowsHookEx
CloseClipboard
GetClipboardData
OpenClipboard
SetWindowTextW
SetClipboardData
EmptyClipboard
ExitWindowsEx
MessageBoxW
GetKeyboardLayoutNameA
GetWindowThreadProcessId
ShowWindow
CloseWindow
IsWindowVisible
GetWindowTextW
EnumWindows
DrawIcon
GetIconInfo
SendInput
SystemParametersInfoW
CreateWindowExA
RegisterClassExA
AppendMenuA
CreatePopupMenu
TrackPopupMenu
SetForegroundWindow
GetCursorPos
DefWindowProcA
DispatchMessageA
SetWindowsHookExA
GetKeyboardLayout
GetMessageA
FindWindowA
TranslateMessage
gdi32
CreateDCA
CreateCompatibleDC
GetDeviceCaps
CreateCompatibleBitmap
DeleteDC
DeleteObject
SelectObject
StretchBlt
GetDIBits
GetObjectA
advapi32
GetUserNameW
ChangeServiceConfigW
QueryServiceStatus
ControlService
OpenSCManagerW
StartServiceW
OpenSCManagerA
EnumServicesStatusW
OpenServiceW
QueryServiceConfigW
RegOpenKeyExA
RegDeleteKeyA
RegCloseKey
RegQueryValueExA
RegQueryValueExW
RegOpenKeyExW
RegSetValueExA
RegCreateKeyA
RegSetValueExW
RegCreateKeyW
RegDeleteValueW
RegEnumValueW
RegEnumKeyExW
RegQueryInfoKeyW
RegCreateKeyExW
AdjustTokenPrivileges
LookupPrivilegeValueA
OpenProcessToken
CloseServiceHandle
RegEnumKeyExA
shell32
ShellExecuteW
ExtractIconA
Shell_NotifyIconA
ShellExecuteExA
msvcp60
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??0Init@ios_base@std@@QAE@XZ
??1Init@ios_base@std@@QAE@XZ
??0_Winit@std@@QAE@XZ
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??1?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@XZ
?c_str@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QBEPBDXZ
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??0?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@ABV01@@Z
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shlwapi
PathFileExistsA
PathFileExistsW
StrToIntA
msvcrt
sprintf
_controlfp
__set_app_type
__p__fmode
__p__commode
_adjust_fdiv
__setusermatherr
_initterm
__getmainargs
_acmdln
_XcptFilter
_exit
_onexit
__dllonexit
??1type_info@@UAE@XZ
_iob
freopen
wcscat
_itow
srand
rand
swprintf
_wsystem
wcscpy
wcslen
_wgetenv
toupper
_itoa
tolower
wcscmp
_wrename
getenv
printf
strncmp
malloc
free
__CxxFrameHandler
time
localtime
strftime
atoi
_ftol
??2@YAPAXI@Z
_CxxThrowException
??0exception@@QAE@ABV0@@Z
exit
_except_handler3
winmm
waveInStart
waveInClose
waveInUnprepareHeader
waveInPrepareHeader
waveInStop
waveInAddBuffer
waveInOpen
ws2_32
htons
gethostbyname
closesocket
socket
WSAStartup
inet_ntoa
recv
send
connect
urlmon
URLDownloadToFileW
URLOpenBlockingStreamW
gdiplus
GdipLoadImageFromStream
GdipFree
GdipDisposeImage
GdipCloneImage
GdipAlloc
GdipSaveImageToStream
GdipSaveImageToFile
GdiplusStartup
GdipGetImageEncoders
GdipLoadImageFromStreamICM
GdipGetImageEncodersSize
wininet
InternetCloseHandle
InternetOpenUrlA
InternetOpenA
InternetReadFile
Sections
.text Size: 76KB - Virtual size: 73KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 24KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 12KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ