remcos | remcos_a[.]exe

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General

Target

remcos_a.exe
Size

428KB
MD5

c5f09b7719c8b0fff49750c4207b06b2
SHA1

a4e05827087c2db01d12677bde55079d549271a3
SHA256

254062f88f40324329b91a934ecd2b38355225a18f90e0d6f6588f8e181163b8
SHA512

d69a070d0ef9e937be6c5aba18ae21ba37f6a2c502a1b8d48ae9d088d338f3134b52ec1b920ceec9d2450b59bd90ac37b90b966ac3cabdc4304d83cb2b4742c0
SSDEEP

6144:++d2+U+8RRJorR7zu6tF9x46YGg83lgnbJHZFXUU01yC5wJ/3AO2HyXGcKcOMuf:++d3UGddn4F83l0JjXUU0kXAHTc/uf

Score

10^/10

remcos

Malware Config

Signatures

Remcos family
remcos

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
remcos_a.exe

Files

remcos_a.exe
.exe windows:5 windows x86 arch:x86

6e326715b064080305ea2c7299a1a146

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

VirtualFree
VirtualAlloc
LoadLibraryA
GetNativeSystemInfo
HeapAlloc
GetProcAddress
GetProcessHeap
FreeLibrary
IsBadReadPtr
GetCurrentProcess
GetSystemDirectoryA
GlobalAlloc
GlobalLock
GetCurrentProcessId
GetTickCount
GlobalUnlock
LocalAlloc
GetModuleHandleA
GlobalFree
MulDiv
SizeofResource
QueryDosDeviceW
FindFirstVolumeW
GetConsoleScreenBufferInfo
SetConsoleTextAttribute
lstrlenW
GetStdHandle
RemoveDirectoryW
FindResourceA
OpenProcess
lstrcatW
LockResource
LoadResource
LocalFree
GetFileSize
FindVolumeClose
GetVolumePathNamesForVolumeNameW
lstrcpyW
SetConsoleOutputCP
FormatMessageA
FindNextVolumeW
SetLastError
ExpandEnvironmentStringsA
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
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
HeapReAlloc
GetACP
GetModuleHandleExW
MoveFileExW
RtlUnwind
RaiseException
LoadLibraryExW
VirtualProtect
Process32FirstW
Process32NextW
CreateToolhelp32Snapshot
GetLocaleInfoA
ExitProcess
CreateMutexA
GetModuleFileNameW
GetLongPathNameW
AllocConsole
GetLastError
FindNextFileA
FindFirstFileA
WaitForSingleObject
MoveFileW
SetFilePointerEx
GetLogicalDriveStringsA
DeleteFileW
DeleteFileA
SetFileAttributesW
GetFileAttributesW
CreateFileW
FindClose
lstrlenA
GetDriveTypeA
FindNextFileW
GetFileSizeEx
FindFirstFileW
CreateDirectoryW
CreateProcessA
Sleep
PeekNamedPipe
CreatePipe
TerminateProcess
WriteFile
ReadFile
HeapFree
HeapCreate
CreateEventA
GetLocalTime
CreateThread
CloseHandle
SetEvent
CreateEventW
lstrcmpW
GetCPInfo
GetStringTypeW
GetLocaleInfoW
LCMapStringW
CompareStringW
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
MultiByteToWideChar
DecodePointer
EncodePointer
WideCharToMultiByte
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
GetStartupInfoW
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
IsProcessorFeaturePresent
GetModuleHandleW
WaitForSingleObjectEx
ResetEvent
SetEndOfFile

user32

SetWindowTextW
TranslateMessage
DispatchMessageA
GetMessageA
GetWindowTextW
SetForegroundWindow
SetClipboardData
GetClipboardData
EnumWindows
ExitWindowsEx
EmptyClipboard
CloseClipboard
OpenClipboard
ShowWindow
CreatePopupMenu
TrackPopupMenu
DefWindowProcA
CreateWindowExA
AppendMenuA
MessageBoxW
IsWindowVisible
CloseWindow
GetWindowThreadProcessId
SendInput
EnumDisplaySettingsW
mouse_event
MapVirtualKeyA
DrawIcon
GetSystemMetrics
GetIconInfo
SystemParametersInfoW
GetForegroundWindow
RegisterClassExA
GetCursorPos

gdi32

CreateCompatibleBitmap
SelectObject
CreateCompatibleDC
StretchBlt
GetDIBits
DeleteDC
DeleteObject
CreateDCA
GetObjectA
BitBlt

advapi32

RegEnumValueW
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
RegQueryValueExW
RegDeleteKeyA

shell32

ShellExecuteExA
Shell_NotifyIconA
ExtractIconA
ShellExecuteW

shlwapi

StrToIntA
PathFileExistsA
PathFileExistsW

winmm

PlaySoundW
mciSendStringA
mciSendStringW

ws2_32

inet_addr
WSASetLastError
gethostbyname
gethostbyaddr
WSAGetLastError
recv
connect
socket
send
WSAStartup
closesocket
htons
htonl
getservbyname
inet_ntoa
ntohs
getservbyport

urlmon

URLOpenBlockingStreamW
URLDownloadToFileW

gdiplus

GdiplusStartup
GdipGetImageEncoders
GdipCloneImage
GdipAlloc
GdipDisposeImage
GdipFree
GdipGetImageEncodersSize
GdipSaveImageToStream
GdipLoadImageFromStream

wininet

InternetOpenUrlW
InternetOpenW
InternetCloseHandle
InternetReadFile

Sections

.text
Size: 302KB - Virtual size: 301KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 89KB - Virtual size: 89KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 22KB

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: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

6e326715b064080305ea2c7299a1a146

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

advapi32

shell32

shlwapi

winmm

ws2_32

urlmon

gdiplus

wininet

Sections

.text Size: 302KB - Virtual size: 301KB

.rdata Size: 89KB - Virtual size: 89KB

.data Size: 3KB - Virtual size: 22KB

.tls Size: 512B - Virtual size: 9B

.gfids Size: 1024B - Virtual size: 560B

.rsrc Size: 17KB - Virtual size: 17KB

.reloc Size: 13KB - Virtual size: 12KB

.text
Size: 302KB - Virtual size: 301KB

.rdata
Size: 89KB - Virtual size: 89KB

.data
Size: 3KB - Virtual size: 22KB

.tls
Size: 512B - Virtual size: 9B

.gfids
Size: 1024B - Virtual size: 560B

.rsrc
Size: 17KB - Virtual size: 17KB

.reloc
Size: 13KB - Virtual size: 12KB