Behavioral task
behavioral1
Sample
a33baab448aea76f5185ac829a93175f.exe
Resource
win7-20240221-en
General
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Target
a33baab448aea76f5185ac829a93175f
-
Size
440KB
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MD5
a33baab448aea76f5185ac829a93175f
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SHA1
56004b1151939bd942b2d6d7009c44f04d4c65e1
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SHA256
c604a94098b0c9726cc0b6dba1df5693ff0e6cfbe28093f071d257671471d230
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SHA512
d0ba9080c891482f7843525e767d18d0cde3bab350d0186cb9e56cdb7eb0de5737bbbefaf90751d916efc56d3ac8b48a5b8b068896c4b7823c483fa06bc30475
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SSDEEP
12288:fYe6UWhaT5xnDdLv9rX+1jZJqxE/ZjEZyib:16UWUT5xDN9IjZJsCZiyg
Malware Config
Extracted
remcos
3.2.0 Pro
new
46.8.211.72:4444
-
audio_folder
MicRecords
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audio_path
%AppData%
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audio_record_time
5
-
connect_delay
0
-
connect_interval
1
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copy_file
svchost.exe
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copy_folder
svchost
-
delete_file
true
-
hide_file
true
-
hide_keylog_file
false
-
install_flag
true
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install_path
%WinDir%\System32
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
-
keylog_path
%AppData%
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mouse_option
false
-
mutex
Remcos-3B70IW
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
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screenshot_time
10
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startup_value
svchost
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take_screenshot_option
false
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take_screenshot_time
5
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take_screenshot_title
notepad;solitaire;
Signatures
-
Remcos family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource a33baab448aea76f5185ac829a93175f
Files
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a33baab448aea76f5185ac829a93175f.exe windows:5 windows x86 arch:x86
ec8ea73e2aa6f868311acc5b792bc222
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
CreateToolhelp32Snapshot
OpenMutexA
Process32NextW
LoadLibraryA
Process32FirstW
GetProcAddress
VirtualProtect
SetLastError
VirtualFree
VirtualAlloc
GetNativeSystemInfo
HeapAlloc
GetProcessHeap
FreeLibrary
IsBadReadPtr
GetTempPathW
OpenProcess
lstrcatW
GetCurrentProcessId
GetTempFileNameW
GetCurrentProcess
GlobalAlloc
GlobalLock
GetTickCount
GlobalUnlock
WriteProcessMemory
ResumeThread
GetThreadContext
VirtualAllocEx
ReadProcessMemory
CreateProcessW
SetThreadContext
LocalAlloc
GlobalFree
MulDiv
SizeofResource
GetLongPathNameW
SetFilePointer
FindResourceA
LockResource
LoadResource
GetModuleFileNameA
lstrcpynA
AllocConsole
QueryPerformanceFrequency
QueryPerformanceCounter
GetLocaleInfoA
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
CreateMutexA
CopyFileW
DeleteFileA
ExpandEnvironmentStringsA
FindNextFileA
FindFirstFileA
CreateDirectoryW
GetFileSize
TerminateThread
GetLastError
SetFileAttributesW
GetModuleHandleA
RemoveDirectoryW
FindClose
MoveFileW
SetFilePointerEx
GetLogicalDriveStringsA
DeleteFileW
GetFileAttributesW
lstrlenA
GetDriveTypeA
FindNextFileW
GetFileSizeEx
FindFirstFileW
ExitProcess
CreateProcessA
PeekNamedPipe
CreatePipe
TerminateProcess
ReadFile
HeapFree
HeapCreate
CreateEventA
GetLocalTime
CreateThread
SetEvent
WaitForSingleObject
Sleep
GetModuleFileNameW
CloseHandle
ExitThread
CreateFileW
WriteFile
EnterCriticalSection
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
MultiByteToWideChar
DecodePointer
EncodePointer
WideCharToMultiByte
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
IsProcessorFeaturePresent
GetStartupInfoW
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
GetModuleHandleW
CreateEventW
WaitForSingleObjectEx
ResetEvent
SetEndOfFile
user32
SetForegroundWindow
TranslateMessage
DispatchMessageA
GetMessageA
GetWindowTextW
wsprintfW
GetClipboardData
UnhookWindowsHookEx
GetForegroundWindow
ToUnicodeEx
GetKeyboardLayout
SetWindowsHookExA
CloseClipboard
GetWindowThreadProcessId
GetKeyboardState
CallNextHookEx
SetClipboardData
EnumWindows
ExitWindowsEx
EmptyClipboard
ShowWindow
SetWindowTextW
MessageBoxW
IsWindowVisible
CloseWindow
SendInput
mouse_event
GetWindowTextLengthW
GetKeyState
OpenClipboard
TrackPopupMenu
DrawIcon
GetSystemMetrics
GetIconInfo
SystemParametersInfoW
CreatePopupMenu
GetCursorPos
DefWindowProcA
CreateWindowExA
AppendMenuA
RegisterClassExA
GetKeyboardLayoutNameA
gdi32
CreateCompatibleBitmap
SelectObject
StretchBlt
GetDIBits
DeleteDC
DeleteObject
CreateDCA
GetObjectA
CreateCompatibleDC
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
StrToIntA
PathFileExistsA
PathFileExistsW
winmm
PlaySoundW
mciSendStringA
mciSendStringW
waveInClose
waveInAddBuffer
waveInStart
waveInOpen
waveInUnprepareHeader
waveInPrepareHeader
waveInStop
ws2_32
closesocket
WSAStartup
send
socket
connect
WSAGetLastError
gethostbyname
htons
inet_ntoa
recv
urlmon
URLDownloadToFileW
URLOpenBlockingStreamW
gdiplus
GdiplusStartup
GdipGetImageEncoders
GdipCloneImage
GdipAlloc
GdipDisposeImage
GdipFree
GdipGetImageEncodersSize
GdipSaveImageToStream
GdipSaveImageToFile
GdipLoadImageFromStream
Sections
.text Size: 326KB - Virtual size: 326KB
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: 1KB - Virtual size: 1KB
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