Static task
static1
Behavioral task
behavioral1
Sample
2024-05-20_e3f49e154295d65d23c1df18a98a54a5_avoslocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-20_e3f49e154295d65d23c1df18a98a54a5_avoslocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-05-20_e3f49e154295d65d23c1df18a98a54a5_avoslocker
-
Size
7.8MB
-
MD5
e3f49e154295d65d23c1df18a98a54a5
-
SHA1
639d9da782e8100b2e8b7c0c7160eb4f9a2c804e
-
SHA256
cdd548934199e21da861705d6bfd9dfc062be8f7f7f64b1dddbd4c93cef71731
-
SHA512
fa3261de5f979b8bd4e0e4f93462aff6400965d8ab5dabe697727ce7f66d89f88f829437ede1efb9bae55f4dd4ec82ae700de898428b7bb54c48bf51577d9533
-
SSDEEP
98304:wWQhBfMwm9kbeaHb6G1PPIuhj+pdkl4B8OlyVGPxjoQhq8+sk9i4VkU:chBQ9kbeaHb6GpVhjwk28Atx/k1eU
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-20_e3f49e154295d65d23c1df18a98a54a5_avoslocker
Files
-
2024-05-20_e3f49e154295d65d23c1df18a98a54a5_avoslocker.exe windows:6 windows x86 arch:x86
479222ffc371ec67dc2eecffbef9617f
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
dbghelp
SymInitialize
SymFromAddr
SymGetLineFromAddr64
advapi32
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
CryptAcquireContextW
CryptReleaseContext
CryptGenRandom
RegCreateKeyExW
RegEnumKeyExW
RegSetValueExW
RegDeleteValueW
RegEnumValueW
RegEnumKeyW
CryptAcquireContextA
CryptGetHashParam
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptDestroyKey
CryptImportKey
CryptEncrypt
SystemFunction036
ws2_32
recv
closesocket
send
WSAGetLastError
gethostname
WSACleanup
gethostbyname
WSAStartup
bind
shutdown
WSARecvFrom
WSARecv
WSASocketW
freeaddrinfo
getaddrinfo
select
__WSAFDIsSet
ioctlsocket
listen
htonl
accept
WSAIoctl
WSASetLastError
socket
setsockopt
ntohs
htons
getsockopt
getsockname
getpeername
connect
shell32
CommandLineToArgvW
ShellExecuteA
crypt32
CertFreeCertificateChain
CertGetCertificateChain
CertFreeCertificateChainEngine
CertCreateCertificateChainEngine
CryptQueryObject
CertGetNameStringA
CertFindExtension
CertAddCertificateContextToStore
CryptDecodeObjectEx
CryptStringToBinaryA
CertFindCertificateInStore
CertOpenStore
PFXIsPFXBlob
PFXImportCertStore
CertGetCertificateContextProperty
CertFreeCertificateContext
CertEnumCertificatesInStore
CertCloseStore
kernel32
GetNumaHighestNodeNumber
DeleteTimerQueueTimer
ChangeTimerQueueTimer
CreateTimerQueueTimer
SetThreadAffinityMask
GetThreadPriority
GetThreadTimes
SignalObjectAndWait
CreateTimerQueue
GetLogicalProcessorInformation
InitializeSListHead
IsDebuggerPresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetCPInfo
FreeLibraryAndExitThread
VirtualProtect
InterlockedPopEntrySList
InterlockedPushEntrySList
InterlockedFlushSList
QueryDepthSList
RtlUnwind
ExitProcess
SystemTimeToTzSpecificLocalTime
ExitThread
GetCommandLineA
HeapFree
HeapAlloc
GetDateFormatW
GetTimeFormatW
IsValidLocale
GetUserDefaultLCID
SetThreadPriority
GetStdHandle
SetStdHandle
CreateFileW
GetFileAttributesW
GetFileSize
GetLongPathNameW
ReadFile
SetFileAttributesW
CloseHandle
DuplicateHandle
GetLastError
SetLastError
GetCurrentProcess
GetCurrentProcessId
GetSystemTimeAsFileTime
GetModuleFileNameW
LocalFree
FormatMessageA
MoveFileExW
GetConsoleScreenBufferInfo
GetFileSizeEx
GetFileType
WriteFile
MultiByteToWideChar
WideCharToMultiByte
GetACP
GetConsoleCP
GetConsoleMode
ReadConsoleW
WriteConsoleW
FlushConsoleInputBuffer
GetFileAttributesExW
CreateFileMappingW
MapViewOfFile
UnmapViewOfFile
GetOEMCP
GetCPInfoExW
IsDBCSLeadByteEx
GetVersionExW
IsWow64Process
LockFileEx
UnlockFileEx
CreatePipe
GetConsoleOutputCP
FormatMessageW
GetFileTime
SetFileTime
GetVolumeInformationA
GetSystemDirectoryA
GetWindowsDirectoryA
ExpandEnvironmentStringsW
CompareFileTime
DeleteFileW
FindClose
FindFirstFileW
GetFileInformationByHandle
GetFullPathNameW
GetShortPathNameW
RemoveDirectoryW
DeviceIoControl
Sleep
GetModuleHandleW
GetProcAddress
CreateSymbolicLinkW
GetTimeZoneInformation
SetConsoleTextAttribute
SetCurrentDirectoryW
GetCurrentDirectoryW
GetHandleInformation
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
ReleaseSemaphore
WaitForSingleObject
WaitForMultipleObjects
CreateSemaphoreW
TerminateProcess
GetExitCodeProcess
CreateThread
ResumeThread
CreateProcessW
OpenProcess
SetConsoleCtrlHandler
GenerateConsoleCtrlEvent
FreeLibrary
LoadLibraryExW
RtlCaptureStackBackTrace
QueryPerformanceCounter
QueryPerformanceFrequency
GlobalMemoryStatusEx
GetSystemInfo
LoadLibraryW
lstrcmpiW
CreateDirectoryW
SetEndOfFile
SetFilePointer
LoadLibraryA
GetTempPathW
HeapReAlloc
GetDiskFreeSpaceW
GetDriveTypeW
GetVolumePathNameW
GetOverlappedResult
CancelIo
ResetEvent
CreateEventW
VirtualAlloc
VirtualFree
IsValidCodePage
CreateFileA
GetFileAttributesA
PeekNamedPipe
SearchPathA
SetHandleInformation
CreateProcessA
DeleteCriticalSection
InitializeConditionVariable
WakeConditionVariable
SleepConditionVariableCS
GetTickCount
SleepEx
GetModuleHandleA
MoveFileExA
GetEnvironmentVariableA
VerSetConditionMask
VerifyVersionInfoA
FlushFileBuffers
GetFinalPathNameByHandleW
SetFilePointerEx
FlushViewOfFile
CreateFileMappingA
ReOpenFile
CopyFileW
CreateHardLinkW
GetFileInformationByHandleEx
SetErrorMode
CreateIoCompletionPort
GetQueuedCompletionStatus
PostQueuedCompletionStatus
ConnectNamedPipe
SetNamedPipeHandleState
CreateNamedPipeW
CancelIoEx
CancelSynchronousIo
CreateEventA
SwitchToThread
GetCurrentThread
QueueUserWorkItem
CreateNamedPipeA
GetNamedPipeHandleStateA
RegisterWaitForSingleObject
UnregisterWait
GetStartupInfoW
DebugBreak
SetEvent
GetNumberOfConsoleInputEvents
ReadConsoleInputW
SetConsoleCursorPosition
WriteConsoleInputW
GetEnvironmentVariableW
UnregisterWaitEx
CreateJobObjectW
AssignProcessToJobObject
SetInformationJobObject
GetProcessAffinityMask
SetProcessAffinityMask
LCMapStringW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
FileTimeToSystemTime
CreateToolhelp32Snapshot
Process32First
Process32Next
TryEnterCriticalSection
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetNativeSystemInfo
CreateSemaphoreA
ReadDirectoryChangesW
GetProcessHeap
GetStringTypeW
GetLocaleInfoW
CompareStringW
DecodePointer
EncodePointer
InitializeCriticalSectionAndSpinCount
IsProcessorFeaturePresent
GetModuleHandleExW
RaiseException
GetExitCodeThread
WaitForSingleObjectEx
GetCurrentThreadId
AreFileApisANSI
FindFirstFileExW
HeapSize
EnumSystemLocalesW
GetCommandLineW
FindNextFileW
user32
DispatchMessageA
CharPrevExA
WaitForInputIdle
GetMessageA
TranslateMessage
MapVirtualKeyW
GetSystemMetrics
ole32
CoCreateInstance
GetRunningObjectTable
CreateBindCtx
CoInitialize
CoTaskMemFree
CoInitializeEx
CoUninitialize
oleaut32
VariantClear
SafeArrayDestroy
SysFreeString
VariantInit
SysAllocString
Sections
.text Size: 6.4MB - Virtual size: 6.4MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1008KB - Virtual size: 1008KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 138KB - Virtual size: 2.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 255KB - Virtual size: 254KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ