Static task
static1
Behavioral task
behavioral1
Sample
2024-05-25_c5363e0886d358dfa4901e0752d7f561_avoslocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-25_c5363e0886d358dfa4901e0752d7f561_avoslocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-25_c5363e0886d358dfa4901e0752d7f561_avoslocker
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Size
1.7MB
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MD5
c5363e0886d358dfa4901e0752d7f561
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SHA1
508511c1b9e6d89016ef0b214b39a9bd2104981f
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SHA256
bd408a37f84eb5d1740ea72fac0f5105637c4a4bb439579fcedac33e67108bcb
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SHA512
360e8f475056f31e0a6291cfaa56bb6182143606f7cef52204f49c67365150b4d8e6bda6480edca311d039b6708be41e22fee1c77b564d4d88c2113541571d25
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SSDEEP
24576:mJv1JKbCZzDU9CFyD0XY6M6ixa7N8yZZ3OqdJ/6v:MkiLIxj6iA7N8yZZ76v
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-25_c5363e0886d358dfa4901e0752d7f561_avoslocker
Files
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2024-05-25_c5363e0886d358dfa4901e0752d7f561_avoslocker.exe windows:6 windows x86 arch:x86
d67cc5f5d07bfe5f0536768c99838c5a
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
msacm32
acmStreamSize
acmStreamClose
acmStreamPrepareHeader
acmStreamConvert
acmStreamUnprepareHeader
acmStreamOpen
winmm
mixerGetControlDetailsA
mixerGetNumDevs
mixerGetLineInfoW
timeBeginPeriod
mixerSetControlDetails
mixerGetDevCapsA
timeGetTime
mixerClose
mixerGetLineInfoA
mixerGetLineControlsA
timeEndPeriod
mixerOpen
shlwapi
PathFileExistsW
PathStripToRootW
PathRemoveFileSpecW
kernel32
LoadResource
FindResourceW
UpdateResourceW
GetModuleHandleW
BeginUpdateResourceW
GetFullPathNameW
WriteFile
CreateMutexW
WaitForSingleObject
CreateFileW
ReleaseMutex
GetLastError
CloseHandle
CreateThread
GetTempFileNameW
DeleteFileW
LoadLibraryW
GetProcAddress
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
VirtualFree
GetCurrentProcess
VirtualAlloc
SetFileTime
SetThreadPriority
GetTempPathW
GetCurrentThread
LoadLibraryA
QueryPerformanceFrequency
GetSystemInfo
SystemTimeToFileTime
CreateProcessW
GetConsoleWindow
GetThreadTimes
GlobalMemoryStatus
QueryPerformanceCounter
GetTickCount
GetExitCodeProcess
GetModuleFileNameW
FreeLibrary
GetFileAttributesW
SetFileAttributesW
GetStartupInfoW
GetCurrentThreadId
GetCurrentProcessId
GetProcessHeap
ReleaseSemaphore
InitializeCriticalSection
CreateEventW
SetEvent
ResetEvent
CreateSemaphoreW
FormatMessageW
GetDiskFreeSpaceExW
LocalFree
GetModuleHandleA
WaitForMultipleObjects
DeviceIoControl
VirtualLock
GetExitCodeThread
CreateFileMappingA
EndUpdateResourceW
ResumeThread
TlsFree
GetVersion
TlsAlloc
SetThreadAffinityMask
CreateFileA
GetFileSize
SetFilePointer
TlsGetValue
MapViewOfFile
UnmapViewOfFile
WaitForSingleObjectEx
TlsSetValue
WideCharToMultiByte
Sleep
CreateEventA
ReadFile
MultiByteToWideChar
VirtualUnlock
FreeLibraryAndExitThread
QueueUserAPC
GetModuleFileNameA
GlobalAlloc
GlobalUnlock
GlobalLock
GlobalFree
SetThreadExecutionState
VerSetConditionMask
SizeofResource
IsValidLocale
GetLocaleInfoW
LCMapStringW
HeapAlloc
HeapFree
HeapReAlloc
GetConsoleCP
ReadConsoleW
GetConsoleMode
DuplicateHandle
ExitThread
SetFilePointerEx
MoveFileExW
CreatePipe
RemoveDirectoryW
SetStdHandle
CreateDirectoryW
GetFileAttributesExW
ExitProcess
WriteConsoleW
GetModuleHandleExW
GetFileType
GetStdHandle
LoadLibraryExW
SetLastError
RaiseException
RtlUnwind
GetStringTypeW
GetCPInfo
CompareStringEx
LCMapStringEx
DecodePointer
EncodePointer
InitializeCriticalSectionEx
GetUserDefaultLCID
InitializeSListHead
GetSystemTimeAsFileTime
IsDebuggerPresent
InitializeCriticalSectionAndSpinCount
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
EnumSystemLocalesW
OutputDebugStringW
SetEndOfFile
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
LockResource
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
FlushFileBuffers
GetFileSizeEx
AreFileApisANSI
HeapSize
user32
EnumDisplayDevicesW
EnumDisplayMonitors
EnumDisplaySettingsExW
LoadCursorW
GetClassLongW
SetWindowLongW
GetWindowLongW
PtInRect
SetRect
ClipCursor
WindowFromPoint
ScreenToClient
ClientToScreen
SetCursor
EnumDisplaySettingsW
AdjustWindowRectEx
GetClientRect
RemovePropW
GetPropW
SetPropW
RedrawWindow
ReleaseDC
SetForegroundWindow
ReleaseCapture
SetCapture
GetAsyncKeyState
GetKeyState
ChangeDisplaySettingsExW
MapVirtualKeyW
ToUnicode
UnregisterDeviceNotification
RegisterDeviceNotificationW
GetRawInputDeviceList
GetRawInputDeviceInfoA
RegisterRawInputDevices
GetRawInputData
GetMonitorInfoW
SystemParametersInfoW
CreateIconIndirect
LoadImageW
SetCursorPos
DestroyIcon
MessageBoxW
LoadIconW
GetActiveWindow
GetIconInfo
SetFocus
EmptyClipboard
GetClipboardData
SetClipboardData
CloseClipboard
OpenClipboard
IsZoomed
BringWindowToTop
IsIconic
SetWindowPos
SetLayeredWindowAttributes
ShowWindow
DestroyWindow
CreateWindowExW
RegisterClassExW
UnregisterClassW
DefWindowProcW
SendMessageW
PeekMessageW
DispatchMessageW
TranslateMessage
TrackMouseEvent
GetMessageTime
GetDesktopWindow
GetCursorPos
CharToOemW
MonitorFromWindow
GetSystemMetrics
GetDC
IsWindowVisible
gdi32
SetPixelFormat
DescribePixelFormat
ChoosePixelFormat
SetDeviceGammaRamp
CreateDIBSection
CreateRectRgn
CreateBitmap
GetDIBits
GetObjectW
SwapBuffers
DeleteObject
DeleteDC
CreateDCW
GetDeviceCaps
advapi32
LookupPrivilegeValueW
AdjustTokenPrivileges
OpenProcessToken
RegCloseKey
RegCreateKeyExW
RegSetValueExW
shell32
ShellExecuteW
ord165
SHBrowseForFolderW
DragAcceptFiles
DragFinish
DragQueryPoint
DragQueryFileW
SHGetFolderPathW
SHGetPathFromIDListW
ole32
CoUninitialize
CoCreateInstance
CoInitializeEx
CoTaskMemFree
CoInitialize
CLSIDFromString
PropVariantClear
Sections
.text Size: 654KB - Virtual size: 653KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 356KB - Virtual size: 355KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 137KB - Virtual size: 362KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 592KB - Virtual size: 592KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 28KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ