Behavioral task
behavioral1
Sample
4996-37-0x0000000000400000-0x0000000000419000-memory.exe
Resource
win7-20240215-en
General
-
Target
4996-37-0x0000000000400000-0x0000000000419000-memory.dmp
-
Size
100KB
-
MD5
f3b7cddc98281485c9bcf40314a8cfa1
-
SHA1
a797b03d4f0aa176ac3c31509a612ff07c1a15d7
-
SHA256
7baa3ae97c421ab54fa95d3fceca3f11900c7fc04970652400d803da18f22122
-
SHA512
5b57a55bd40a4f57222312279989b2398bc472b57a4ca098cdbcc9456b168d9a2fefe54b3fc24ba9fcb1edb9ab60159e6887addda1285184bccb33d76010068a
-
SSDEEP
3072:vhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+JP/P6nrG:vhzOv2fM13jsIFSHNT7P/P6rG
Malware Config
Extracted
remcos
1.7 Pro
Host
185.241.208.113:2404
-
audio_folder
audio
-
audio_path
%AppData%
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
5
-
copy_file
JavaUpdate.exe
-
copy_folder
JavaUpdater
-
delete_file
true
-
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
Java
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
remcos_fcstxhoeka
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screens
-
screenshot_path
%AppData%
-
screenshot_time
1
-
startup_value
Java Updater
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
-
Remcos family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 4996-37-0x0000000000400000-0x0000000000419000-memory.dmp
Files
-
4996-37-0x0000000000400000-0x0000000000419000-memory.dmp.exe windows:4 windows x86 arch:x86
d3a62971944197f0701c7049a9c739d1
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetModuleFileNameA
GetLongPathNameA
CreateMutexA
OpenMutexA
Process32Next
Process32First
CreateToolhelp32Snapshot
SizeofResource
LockResource
LoadResource
FindResourceA
GetLocaleInfoA
Process32NextW
Process32FirstW
lstrlenA
GetDriveTypeA
CreateProcessA
GetTickCount
GlobalUnlock
GlobalLock
GlobalAlloc
WinExec
GetCurrentProcessId
CreateDirectoryW
CopyFileA
GetFileAttributesW
GetLogicalDriveStringsA
GetCurrentProcess
ResumeThread
SetThreadContext
WriteProcessMemory
VirtualAllocEx
ReadProcessMemory
GetThreadContext
VirtualAlloc
GlobalFree
LocalAlloc
TerminateProcess
ReadFile
PeekNamedPipe
GetStdHandle
CreatePipe
OpenProcess
DuplicateHandle
GetCurrentThread
lstrcpynA
ExitProcess
AllocConsole
GetStartupInfoA
ExpandEnvironmentStringsA
FindFirstFileA
FindNextFileA
GetLastError
LoadLibraryA
GetProcAddress
CreateFileMappingA
MapViewOfFileEx
DeleteFileA
RemoveDirectoryA
CloseHandle
GetFileAttributesA
SetFileAttributesA
SetEvent
TerminateThread
FindFirstFileW
FindNextFileW
FindClose
GetLocalTime
CreateEventA
WaitForSingleObject
CreateDirectoryA
ExitThread
Sleep
GetModuleHandleA
DeleteFileW
CreateThread
user32
GetWindowTextLengthA
GetForegroundWindow
UnhookWindowsHookEx
CloseClipboard
GetClipboardData
OpenClipboard
SetClipboardData
EmptyClipboard
ExitWindowsEx
MessageBoxA
GetKeyboardLayoutNameA
GetWindowThreadProcessId
ShowWindow
CloseWindow
GetWindowTextA
GetWindowTextW
EnumWindows
SendInput
CreateWindowExA
RegisterClassExA
AppendMenuA
CreatePopupMenu
TrackPopupMenu
SetForegroundWindow
GetCursorPos
DefWindowProcA
GetKeyState
CallNextHookEx
SetWindowsHookExA
GetMessageA
TranslateMessage
GetKeyboardLayout
FindWindowA
DispatchMessageA
IsWindowVisible
gdi32
CreateDCA
CreateCompatibleDC
GetDeviceCaps
CreateCompatibleBitmap
SelectObject
StretchBlt
GetObjectA
GetDIBits
DeleteObject
DeleteDC
advapi32
OpenProcessToken
LookupPrivilegeValueA
AdjustTokenPrivileges
RegCreateKeyExA
RegQueryInfoKeyA
RegEnumKeyExA
RegEnumValueA
RegDeleteValueA
RegCreateKeyA
RegSetValueExA
RegOpenKeyExA
RegDeleteKeyA
RegCloseKey
RegQueryValueExA
GetUserNameW
shell32
ShellExecuteA
ExtractIconA
Shell_NotifyIconA
ShellExecuteExA
ShellExecuteW
msvcp60
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??0_Winit@std@@QAE@XZ
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??Bios_base@std@@QBEPAXXZ
?assign@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@PBDI@Z
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??0logic_error@std@@QAE@ABV01@@Z
??0out_of_range@std@@QAE@ABV01@@Z
??1out_of_range@std@@UAE@XZ
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?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@PBDH@Z
?seekp@?$basic_ostream@DU?$char_traits@D@std@@@std@@QAEAAV12@JW4seekdir@ios_base@2@@Z
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msvcrt
_wrename
_controlfp
__set_app_type
__p__fmode
__p__commode
_adjust_fdiv
__setusermatherr
_initterm
__getmainargs
_acmdln
_XcptFilter
_exit
_onexit
__dllonexit
??1type_info@@UAE@XZ
_iob
freopen
srand
rand
mbstowcs
realloc
_itoa
sprintf
getenv
toupper
tolower
wcscmp
printf
strncmp
malloc
free
_EH_prolog
__CxxFrameHandler
time
localtime
strftime
puts
atoi
_ftol
??2@YAPAXI@Z
_except_handler3
exit
??0exception@@QAE@ABV0@@Z
_CxxThrowException
winmm
waveInOpen
waveInStop
waveInClose
waveInAddBuffer
waveInPrepareHeader
waveInUnprepareHeader
waveInStart
shlwapi
PathFileExistsA
ws2_32
htons
gethostbyname
closesocket
socket
send
WSAGetLastError
connect
recv
WSAStartup
urlmon
URLDownloadToFileA
gdiplus
GdipLoadImageFromStreamICM
GdipDisposeImage
GdipCloneImage
GdipAlloc
GdipSaveImageToStream
GdipSaveImageToFile
GdipLoadImageFromStream
GdiplusStartup
GdipGetImageEncoders
GdipFree
GdipGetImageEncodersSize
wininet
InternetCloseHandle
InternetOpenUrlA
InternetOpenA
InternetReadFile
Sections
.text Size: 60KB - Virtual size: 59KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 20KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ