Behavioral task
behavioral1
Sample
a371aaf47c181a0fe8c19cf056790d772c9776307b78701eb999eb4a75f87128.exe
Resource
win7-20240729-en
General
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Target
a371aaf47c181a0fe8c19cf056790d772c9776307b78701eb999eb4a75f87128
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Size
323KB
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MD5
6f2d5498cc7a87568ecafc68ceab93bf
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SHA1
7181a3513e27cee93768bc5cb761bc4ff92442d1
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SHA256
a371aaf47c181a0fe8c19cf056790d772c9776307b78701eb999eb4a75f87128
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SHA512
45c0f7d70caaf479c46ae2bb6db22b62e754c112c334aa8a9b596329760de34f6d5803d4f23ba7496dbb5245d8451573b95fb3d5a7b7b67a6f17148bb122b0f4
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SSDEEP
3072:3j1UJ8m91SiqdvT/GcY0JR8LeBdVw9+TpFLrD+u38:zpSYdbGc9jVa8zA
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource a371aaf47c181a0fe8c19cf056790d772c9776307b78701eb999eb4a75f87128
Files
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a371aaf47c181a0fe8c19cf056790d772c9776307b78701eb999eb4a75f87128.exe windows:1 windows x86 arch:x86
45b155c756219396aa7eea783bb4bd0c
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Imports
kernel32
WriteFile
WinExec
WaitForSingleObject
VirtualQuery
TerminateProcess
SuspendThread
Sleep
SizeofResource
SetFilePointer
SetFileAttributesA
SetEndOfFile
ResumeThread
ReleaseMutex
ReadProcessMemory
ReadFile
OpenProcess
OpenMutexA
LockResource
LoadResource
LoadLibraryA
LeaveCriticalSection
InitializeCriticalSection
GlobalUnlock
GlobalReAlloc
GlobalHandle
GlobalLock
GlobalFree
GlobalAlloc
GetVersionExA
GetTickCount
GetThreadLocale
GetSystemDirectoryA
GetProcAddress
GetModuleHandleA
GetModuleFileNameA
GetLocaleInfoA
GetLocalTime
GetLastError
GetExitCodeThread
GetDriveTypeA
GetDiskFreeSpaceA
GetDateFormatA
GetCurrentThreadId
GetCurrentProcessId
GetCPInfo
FreeResource
FreeLibrary
FormatMessageA
FindResourceA
FindNextFileA
FindFirstFileA
FindClose
FileTimeToLocalFileTime
FileTimeToDosDateTime
EnumCalendarInfoA
EnterCriticalSection
DeleteFileA
DeleteCriticalSection
CreateMutexA
CreateFileA
CreateEventA
CompareStringA
CloseHandle
GetCurrentThreadId
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
VirtualFree
VirtualAlloc
LocalFree
LocalAlloc
VirtualQuery
WideCharToMultiByte
MultiByteToWideChar
lstrlenA
lstrcpynA
lstrcpyA
LoadLibraryExA
GetThreadLocale
GetStartupInfoA
GetProcAddress
GetModuleHandleA
GetModuleFileNameA
GetLocaleInfoA
GetLastError
GetCommandLineA
FreeLibrary
FindFirstFileA
FindClose
ExitProcess
ExitThread
CreateThread
WriteFile
UnhandledExceptionFilter
SetFilePointer
SetEndOfFile
RtlUnwind
ReadFile
RaiseException
GetStdHandle
GetFileSize
GetSystemTime
GetFileType
CreateFileA
CloseHandle
TlsSetValue
TlsGetValue
LocalAlloc
GetModuleHandleA
GetModuleFileNameA
advapi32
RegQueryValueExA
RegOpenKeyExA
RegCloseKey
RegSetValueExA
RegQueryValueExA
RegOpenKeyExA
RegFlushKey
RegCreateKeyExA
RegCloseKey
oleaut32
VariantChangeTypeEx
VariantCopyInd
VariantClear
SysStringLen
SysFreeString
SysReAllocStringLen
SysAllocStringLen
user32
UpdateWindow
UnregisterClassA
TranslateMessage
ShowWindow
SetTimer
SetFocus
SendMessageA
RegisterClassA
PostQuitMessage
PostMessageA
PeekMessageA
MsgWaitForMultipleObjects
MessageBoxA
LoadStringA
LoadIconA
LoadCursorA
GetWindowThreadProcessId
GetWindowTextA
GetSystemMetrics
GetWindow
GetMessageA
GetForegroundWindow
GetDesktopWindow
GetClassNameA
GetClassInfoA
FindWindowExA
FindWindowA
DispatchMessageA
DestroyWindow
DefWindowProcA
CreateWindowExA
AttachThreadInput
GetKeyboardType
LoadStringA
MessageBoxA
CharNextA
wsock32
WSACleanup
WSAStartup
WSAGetLastError
gethostname
gethostbyname
socket
send
inet_ntoa
inet_addr
htons
connect
closesocket
Sections
UPX0 Size: 144KB - Virtual size: 144KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 44KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 128KB - Virtual size: 128KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE