Behavioral task
behavioral1
Sample
46be905aafe246e23cea7034aeff3330N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
46be905aafe246e23cea7034aeff3330N.exe
Resource
win10v2004-20240802-en
General
-
Target
46be905aafe246e23cea7034aeff3330N.exe
-
Size
448KB
-
MD5
46be905aafe246e23cea7034aeff3330
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SHA1
1ef9b68c57014a98bc800a38489f014ab6dff385
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SHA256
9794c8d5bc0844135e241b317f940a20ef9d38dfbb93a177a76af10ddfe03f3c
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SHA512
213073a5b9dc5d260ea0c38834c43c0e4684ea7a12f532e7bb9bc1b38ffd663dc52d986ca9b4b617c9061a05f5a0fe50cd6f1908a65ba489435299b40040ad6d
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SSDEEP
6144:EAg4RVDZlHx5k7iLZnaSguI2IiRL/SISjw8nHWh1R2K3g9ZsAOZZQmXxlcK3W:Emnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSbW
Malware Config
Extracted
remcos
New
173.212.217.108:1050
zab4ever.no-ip.org:1050
1zab4ever.no-ip.org:1050
1zab4ever.duckdns.org:1050
-
audio_folder
MicRecords
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audio_path
%AppData%
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audio_record_time
5
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connect_delay
0
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connect_interval
1
-
copy_file
BrowseUpdt.exe
-
delete_file
false
-
hide_file
true
-
hide_keylog_file
true
-
install_flag
true
-
install_path
%AppData%
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keylog_crypt
false
-
keylog_file
nobita.dat
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keylog_flag
false
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
khruioprs-T021C4
-
screenshot_crypt
false
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screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
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screenshot_time
10
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startup_value
BrowseUpdt
-
take_screenshot_option
false
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take_screenshot_time
5
-
take_screenshot_title
notepad;solitaire;
Signatures
-
Remcos family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 46be905aafe246e23cea7034aeff3330N.exe
Files
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46be905aafe246e23cea7034aeff3330N.exe.exe windows:5 windows x86 arch:x86
5d354883fe6f15fcf48045037a99fb7a
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
CopyFileW
CreateMutexA
GetLocaleInfoA
CreateToolhelp32Snapshot
OpenMutexA
Process32NextW
Process32FirstW
VirtualProtect
SetLastError
VirtualFree
VirtualAlloc
GetNativeSystemInfo
HeapAlloc
GetProcessHeap
FreeLibrary
IsBadReadPtr
GetTempPathW
OpenProcess
lstrcatW
GetCurrentProcessId
GetTempFileNameW
GetCurrentProcess
GetSystemDirectoryA
GlobalAlloc
GlobalLock
GetTickCount
GlobalUnlock
WriteProcessMemory
ResumeThread
GetThreadContext
ReadProcessMemory
CreateProcessW
SetThreadContext
LocalAlloc
GlobalFree
MulDiv
SizeofResource
SetFilePointer
FindResourceA
LockResource
LoadResource
LocalFree
FormatMessageA
AllocConsole
GetModuleFileNameA
lstrcpynA
QueryPerformanceFrequency
GetLongPathNameW
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
GetStdHandle
GetModuleHandleExW
MoveFileExW
RtlUnwind
RaiseException
LoadLibraryExW
GetCPInfo
GetStringTypeW
GetLocaleInfoW
LCMapStringW
CompareStringW
TlsFree
TlsSetValue
ExpandEnvironmentStringsA
FindNextFileA
FindFirstFileA
GetFileSize
TerminateThread
GetLastError
SetFileAttributesW
GetModuleHandleA
RemoveDirectoryW
MoveFileW
CreateDirectoryW
SetFilePointerEx
GetLogicalDriveStringsA
DeleteFileW
DeleteFileA
GetFileAttributesW
FindClose
lstrlenA
GetDriveTypeA
FindNextFileW
GetFileSizeEx
FindFirstFileW
ExitProcess
GetProcAddress
LoadLibraryA
CreateProcessA
PeekNamedPipe
CreatePipe
TerminateProcess
ReadFile
HeapFree
HeapCreate
CreateEventA
GetLocalTime
CreateThread
SetEvent
CreateEventW
WaitForSingleObject
Sleep
GetModuleFileNameW
CloseHandle
ExitThread
CreateFileW
WriteFile
QueryPerformanceCounter
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
MultiByteToWideChar
DecodePointer
EncodePointer
WideCharToMultiByte
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
IsProcessorFeaturePresent
GetStartupInfoW
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
GetModuleHandleW
WaitForSingleObjectEx
ResetEvent
SetEndOfFile
user32
CallNextHookEx
GetKeyboardLayoutNameA
GetKeyState
GetWindowTextLengthW
GetWindowThreadProcessId
SetForegroundWindow
SetClipboardData
EnumWindows
ExitWindowsEx
TranslateMessage
DispatchMessageA
GetMessageA
GetWindowTextW
wsprintfW
GetClipboardData
UnhookWindowsHookEx
GetForegroundWindow
ToUnicodeEx
GetKeyboardLayout
SetWindowsHookExA
CloseClipboard
OpenClipboard
GetKeyboardState
DrawIcon
GetSystemMetrics
GetIconInfo
SystemParametersInfoW
GetCursorPos
RegisterClassExA
AppendMenuA
mouse_event
CreateWindowExA
DefWindowProcA
TrackPopupMenu
CreatePopupMenu
EnumDisplaySettingsW
SendInput
CloseWindow
EmptyClipboard
ShowWindow
SetWindowTextW
MessageBoxW
IsWindowVisible
gdi32
CreateCompatibleBitmap
SelectObject
CreateCompatibleDC
StretchBlt
GetDIBits
DeleteDC
DeleteObject
CreateDCA
GetObjectA
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
shlwapi
StrToIntA
PathFileExistsW
PathFileExistsA
winmm
waveInPrepareHeader
waveInStop
waveInUnprepareHeader
mciSendStringA
PlaySoundW
waveInOpen
waveInStart
waveInAddBuffer
waveInClose
mciSendStringW
ws2_32
WSAGetLastError
recv
connect
socket
send
WSAStartup
closesocket
inet_ntoa
gethostbyname
WSASetLastError
inet_addr
gethostbyaddr
getservbyport
ntohs
getservbyname
htons
htonl
urlmon
URLDownloadToFileW
URLOpenBlockingStreamW
gdiplus
GdiplusStartup
GdipGetImageEncoders
GdipCloneImage
GdipAlloc
GdipDisposeImage
GdipFree
GdipGetImageEncodersSize
GdipSaveImageToStream
GdipLoadImageFromStream
wininet
InternetOpenUrlW
InternetCloseHandle
InternetReadFile
InternetOpenW
Sections
.text Size: 337KB - Virtual size: 336KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 93KB - Virtual size: 92KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 23KB
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: 3KB - Virtual size: 2KB
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