Static task
static1
Behavioral task
behavioral1
Sample
2024-05-25_07bc52f377e5754e12632a8f75d803de_avoslocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-25_07bc52f377e5754e12632a8f75d803de_avoslocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-25_07bc52f377e5754e12632a8f75d803de_avoslocker
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Size
9.3MB
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MD5
07bc52f377e5754e12632a8f75d803de
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SHA1
7de30767e3848224cddf222dd65866776893ab1b
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SHA256
731162b03a2ce9b3e8c826d8f3b7bf00376fa30c525ba2c19b8bb8e32a6b8a96
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SHA512
3a48e4e4da13f22ce466ef7dfc6ce22b0c8c6e5a3c6916e276996f4dad08cbb94a92e59fa79f951e28ce1e97a5ceea17a6ee1cbd23f17692700ed46f4d54fc8e
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SSDEEP
196608:EhF4TDxXHu923HQaUms2pPcHS+hbWKswrF+c3DOd9j2d:E+dPrhPcHS+hV+d9j2
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-25_07bc52f377e5754e12632a8f75d803de_avoslocker
Files
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2024-05-25_07bc52f377e5754e12632a8f75d803de_avoslocker.exe windows:6 windows x86 arch:x86
cc421684931c1d5ce1c1d144da0c63d5
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
shell32
CommandLineToArgvW
ShellExecuteA
ws2_32
gethostbyname
WSAStartup
gethostname
WSACleanup
freeaddrinfo
getaddrinfo
accept
__WSAFDIsSet
ntohs
recv
WSAWaitForMultipleEvents
WSAResetEvent
WSAEventSelect
WSAEnumNetworkEvents
WSACreateEvent
WSACloseEvent
send
WSASetLastError
select
WSARecvFrom
WSARecv
WSAIoctl
socket
shutdown
listen
getsockname
getpeername
ioctlsocket
connect
bind
WSASocketW
htons
WSAGetLastError
setsockopt
getsockopt
closesocket
advapi32
RegOpenKeyExW
RegQueryValueExW
CryptAcquireContextW
CryptReleaseContext
CryptGenRandom
RegCreateKeyExW
RegEnumKeyExW
RegSetValueExW
RegDeleteValueW
RegEnumValueW
RegEnumKeyW
RegQueryInfoKeyW
CryptAcquireContextA
CryptGetHashParam
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptEncrypt
CryptImportKey
CryptDestroyKey
SystemFunction036
RegCloseKey
crypt32
CertCloseStore
CertEnumCertificatesInStore
CertFreeCertificateContext
CertGetCertificateContextProperty
PFXImportCertStore
PFXIsPFXBlob
CertOpenStore
CertFindCertificateInStore
CryptStringToBinaryA
CryptDecodeObjectEx
CertAddCertificateContextToStore
CertFindExtension
CertGetNameStringA
CryptQueryObject
CertCreateCertificateChainEngine
CertFreeCertificateChainEngine
CertGetCertificateChain
CertFreeCertificateChain
kernel32
GetLocaleInfoEx
GetStringTypeW
CompareStringEx
GetCPInfo
InitializeCriticalSectionAndSpinCount
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
RtlUnwind
ExitProcess
SystemTimeToTzSpecificLocalTime
ExitThread
FreeLibraryAndExitThread
GetCommandLineA
HeapFree
HeapAlloc
GetTimeZoneInformation
GetDateFormatW
GetTimeFormatW
CompareStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
HeapReAlloc
GetProcessHeap
HeapSize
InitializeSListHead
AreFileApisANSI
GetTempPathW
GetStdHandle
SetErrorMode
GetConsoleScreenBufferInfo
Sleep
GetFileSizeEx
GetFileType
ReadFile
WriteFile
GetLastError
MultiByteToWideChar
WideCharToMultiByte
GetACP
GetConsoleCP
GetConsoleMode
ReadConsoleW
WriteConsoleW
FlushConsoleInputBuffer
SetStdHandle
CreateFileW
GetFileAttributesW
GetFileSize
GetLongPathNameW
SetFileAttributesW
CloseHandle
DuplicateHandle
SetLastError
GetCurrentProcess
GetCurrentProcessId
GetSystemTimeAsFileTime
GetModuleFileNameW
LocalFree
FormatMessageA
MoveFileExW
GetOEMCP
GetCPInfoExW
IsDBCSLeadByteEx
GetVersionExW
GetProcessAffinityMask
CreatePipe
IsWow64Process
GetFileAttributesExW
LockFileEx
UnlockFileEx
GetFileTime
SetFileTime
FormatMessageW
GetConsoleOutputCP
ExpandEnvironmentStringsW
GetVolumeInformationA
GetSystemDirectoryA
GetWindowsDirectoryA
GetCommandLineW
GetFullPathNameW
CompareFileTime
DeleteFileW
FindClose
FindFirstFileW
GetFileInformationByHandle
GetShortPathNameW
RemoveDirectoryW
DeviceIoControl
GetModuleHandleW
GetProcAddress
CreateSymbolicLinkW
SetCurrentDirectoryW
GetCurrentDirectoryW
GetHandleInformation
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
ReleaseSemaphore
WaitForSingleObject
WaitForMultipleObjects
CreateSemaphoreW
TerminateProcess
GetExitCodeProcess
CreateThread
ResumeThread
CreateProcessW
OpenProcess
SetConsoleCtrlHandler
GenerateConsoleCtrlEvent
RtlCaptureStackBackTrace
QueryPerformanceCounter
QueryPerformanceFrequency
GlobalMemoryStatusEx
GetSystemInfo
FreeLibrary
LoadLibraryW
lstrcmpiW
SetConsoleTextAttribute
LoadLibraryExW
CreateDirectoryW
SetEndOfFile
SetFilePointer
LoadLibraryA
FindNextFileW
GetDiskFreeSpaceW
GetDriveTypeW
GetVolumePathNameW
GetOverlappedResult
CancelIo
ResetEvent
CreateEventW
VirtualAlloc
VirtualFree
IsValidCodePage
CreateFileA
GetFileAttributesA
PeekNamedPipe
SearchPathA
SetHandleInformation
CreateProcessA
DeleteCriticalSection
InitializeConditionVariable
WakeConditionVariable
SleepConditionVariableCS
GetTickCount
CreateIoCompletionPort
GetQueuedCompletionStatus
PostQueuedCompletionStatus
FlushFileBuffers
ConnectNamedPipe
SetNamedPipeHandleState
CreateNamedPipeW
CancelIoEx
CancelSynchronousIo
CreateEventA
SwitchToThread
GetCurrentThread
QueueUserWorkItem
CreateNamedPipeA
GetNamedPipeHandleStateA
RegisterWaitForSingleObject
UnregisterWait
GetFinalPathNameByHandleW
SetFilePointerEx
MapViewOfFile
FlushViewOfFile
UnmapViewOfFile
CreateFileMappingA
ReOpenFile
CopyFileW
CreateHardLinkW
GetFileInformationByHandleEx
VerSetConditionMask
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetEnvironmentVariableW
SetEnvironmentVariableW
FileTimeToSystemTime
CreateToolhelp32Snapshot
Process32First
Process32Next
SetEvent
GetNumberOfConsoleInputEvents
ReadConsoleInputW
SetConsoleCursorPosition
WriteConsoleInputW
UnregisterWaitEx
CreateJobObjectW
AssignProcessToJobObject
SetInformationJobObject
SetProcessAffinityMask
LCMapStringW
DebugBreak
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryEnterCriticalSection
WakeAllConditionVariable
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetNativeSystemInfo
CreateSemaphoreA
ReadDirectoryChangesW
GetModuleHandleA
GetStartupInfoW
SleepEx
MoveFileExA
GetEnvironmentVariableA
VerifyVersionInfoW
FindFirstFileExW
LCMapStringEx
DecodePointer
EncodePointer
IsProcessorFeaturePresent
GetModuleHandleExW
CloseThreadpoolWork
SubmitThreadpoolWork
CreateThreadpoolWork
FreeLibraryWhenCallbackReturns
InitOnceComplete
InitOnceBeginInitialize
SleepConditionVariableSRW
RaiseException
WaitForSingleObjectEx
GetCurrentThreadId
InitializeCriticalSectionEx
user32
GetMessageA
TranslateMessage
DispatchMessageA
MapVirtualKeyW
CharPrevExA
GetSystemMetrics
ole32
CoCreateInstance
GetRunningObjectTable
CreateBindCtx
CoInitialize
CoTaskMemFree
CoInitializeEx
CoUninitialize
oleaut32
VariantInit
VariantClear
SysFreeString
SysAllocString
SafeArrayDestroy
Sections
.text Size: 7.8MB - Virtual size: 7.7MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1.1MB - Virtual size: 1.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 161KB - 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: 299KB - Virtual size: 299KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ