Static task
static1
Behavioral task
behavioral1
Sample
2024-05-29_45de454bd9c1167f93af6b9fe7a02556_avoslocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-29_45de454bd9c1167f93af6b9fe7a02556_avoslocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-29_45de454bd9c1167f93af6b9fe7a02556_avoslocker
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Size
8.7MB
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MD5
45de454bd9c1167f93af6b9fe7a02556
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SHA1
7bf916661a5d9f418a02e2d9bdfccc9a76a82cda
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SHA256
8329b138aeafeceac67a22a69332ea960cb30178c2cca462f6a8865587f886a1
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SHA512
d178ac5c4da4002edb7d91b9647009afdb316cc53ac422b9a67696e5cf95035a7f56255dd1f5c172e824005953223af98d9370a580bb651b0341c03e2e7a1f1a
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SSDEEP
196608:GD+n7k/67rcq1+iD6JRKpbOvWuVb0yrCQhvl5P:+E4q4iyUO7Vbs4N5P
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-29_45de454bd9c1167f93af6b9fe7a02556_avoslocker
Files
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2024-05-29_45de454bd9c1167f93af6b9fe7a02556_avoslocker.exe windows:6 windows x86 arch:x86
91615daea8ee26fab215a86ca69e7661
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
gethostname
connect
WSAStartup
WSACleanup
freeaddrinfo
getaddrinfo
__WSAFDIsSet
accept
ntohs
send
recv
WSASetLastError
select
WSARecvFrom
htonl
closesocket
WSARecv
WSAIoctl
socket
shutdown
listen
getsockname
getpeername
ioctlsocket
bind
WSASocketW
htons
WSAGetLastError
setsockopt
getsockopt
gethostbyname
advapi32
RegOpenKeyExW
RegCloseKey
CryptAcquireContextW
CryptReleaseContext
CryptGenRandom
RegCreateKeyExW
RegEnumKeyExW
RegSetValueExW
RegDeleteValueW
RegEnumValueW
RegEnumKeyW
CryptAcquireContextA
CryptGetHashParam
CryptCreateHash
CryptHashData
CryptDestroyHash
CryptEncrypt
CryptImportKey
CryptDestroyKey
SystemFunction036
RegQueryValueExW
crypt32
CertEnumCertificatesInStore
CertFreeCertificateContext
CertGetCertificateContextProperty
PFXImportCertStore
PFXIsPFXBlob
CertOpenStore
CertFindCertificateInStore
CryptStringToBinaryA
CertCloseStore
CertAddCertificateContextToStore
CertFindExtension
CertGetNameStringA
CryptQueryObject
CertCreateCertificateChainEngine
CertFreeCertificateChainEngine
CertGetCertificateChain
CertFreeCertificateChain
CryptDecodeObjectEx
kernel32
SetUnhandledExceptionFilter
IsDebuggerPresent
InitializeSListHead
CreateTimerQueue
SignalObjectAndWait
SetThreadPriority
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
SetThreadAffinityMask
GetThreadTimes
FreeLibraryAndExitThread
VirtualProtect
InterlockedPopEntrySList
UnhandledExceptionFilter
InterlockedFlushSList
QueryDepthSList
RtlUnwind
ExitProcess
SystemTimeToTzSpecificLocalTime
ExitThread
GetCommandLineA
HeapFree
HeapAlloc
GetDateFormatW
GetTimeFormatW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetTimeZoneInformation
HeapReAlloc
GetProcessHeap
HeapSize
InterlockedPushEntrySList
GetCPInfo
GetCurrentThreadId
AreFileApisANSI
LoadLibraryExW
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
GetVolumeInformationA
GetSystemDirectoryA
GetWindowsDirectoryA
GetCommandLineW
GetFullPathNameW
ExpandEnvironmentStringsW
CompareFileTime
DeleteFileW
FindClose
FindFirstFileW
GetFileInformationByHandle
GetShortPathNameW
RemoveDirectoryW
DeviceIoControl
GetModuleHandleW
GetProcAddress
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
RaiseException
CreateDirectoryW
SetEndOfFile
SetFilePointer
LoadLibraryA
GetTempPathW
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
CreateSymbolicLinkW
SetEvent
GetNumberOfConsoleInputEvents
ReadConsoleInputW
SetConsoleCursorPosition
WriteConsoleInputW
GetEnvironmentVariableW
UnregisterWaitEx
CreateJobObjectW
AssignProcessToJobObject
SetInformationJobObject
SetProcessAffinityMask
LCMapStringW
DebugBreak
TryEnterCriticalSection
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
CreateSemaphoreA
ReadDirectoryChangesW
VerSetConditionMask
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
VerifyVersionInfoA
FileTimeToSystemTime
CreateToolhelp32Snapshot
Process32First
Process32Next
GetModuleHandleA
GetStartupInfoW
SleepEx
MoveFileExA
GetEnvironmentVariableA
GetModuleHandleExW
GetStringTypeW
GetLocaleInfoW
CompareStringW
WaitForSingleObjectEx
DecodePointer
EncodePointer
InitializeCriticalSectionAndSpinCount
IsProcessorFeaturePresent
FindFirstFileExW
user32
GetMessageA
WaitForInputIdle
CharPrevExA
TranslateMessage
DispatchMessageA
MapVirtualKeyW
GetSystemMetrics
ole32
CoCreateInstance
CoTaskMemFree
CoInitialize
CoInitializeEx
CoUninitialize
CreateBindCtx
GetRunningObjectTable
oleaut32
VariantClear
SysFreeString
SafeArrayDestroy
SysAllocString
VariantInit
Sections
.text Size: 7.2MB - Virtual size: 7.2MB
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: 140KB - 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: 286KB - Virtual size: 286KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ