Static task
static1
Behavioral task
behavioral1
Sample
downloader519.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
downloader519.exe
Resource
win10v2004-20230220-en
General
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Target
downloader519.exe
-
Size
820KB
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MD5
e944510cc6f000aa4529c7fb09dcb4dc
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SHA1
54601f8c27b6c05dac9d64df5968e4d30c4a7cab
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SHA256
87b92d37eae4bf035b82a9ce3e25cbc34a1581e9a039344da4707d3c1d3cc251
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SHA512
d3334f32ba0ae6a9da7e99622cdf9b6728b8302c149202bedf298a2ee76cc33f26f155097e7b72c67f11919d8ca9008dfcd79d46a5ec9595007769c32f36770b
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SSDEEP
24576:vmHfqqyh+5kdxcmjC+mFX/QL+ehk5DRo:vmyqyh+5XsC+mFWhSDR
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource downloader519.exe
Files
-
downloader519.exe.exe windows x86
1f33507fc49ff617ecb248bee3af9a74
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
FindFirstChangeNotificationW
lstrlenA
GetConsoleAliasesLengthW
GetCommState
InterlockedDecrement
GetLogicalDriveStringsW
CancelWaitableTimer
SetEvent
GetProcessPriorityBoost
GetModuleHandleW
GetConsoleTitleA
ReadConsoleW
InitializeCriticalSection
GlobalAlloc
FatalAppExitW
GetSystemWindowsDirectoryA
GetVersionExW
GlobalFlags
FindNextVolumeW
GetConsoleAliasW
IsDBCSLeadByte
GetModuleFileNameW
CreateActCtxA
ReplaceFileA
GetTempPathW
GetStringTypeExA
CreateJobObjectA
SetThreadContext
OpenMutexW
GetLastError
SetLastError
ReadConsoleOutputCharacterA
GetProcAddress
AttachConsole
VirtualAlloc
SetComputerNameA
GetTempFileNameA
LoadLibraryA
InterlockedExchangeAdd
CreateFileMappingA
LocalAlloc
DnsHostnameToComputerNameA
FindFirstVolumeMountPointW
OpenEventA
FindAtomA
GetTapeParameters
GetDefaultCommConfigA
GetConsoleTitleW
GetConsoleCursorInfo
WaitForDebugEvent
ScrollConsoleScreenBufferA
GetWindowsDirectoryW
AddConsoleAliasA
EnumCalendarInfoExA
EnumSystemLocalesW
GlobalDeleteAtom
SetProcessAffinityMask
GetDateFormatW
WideCharToMultiByte
InterlockedIncrement
InterlockedCompareExchange
InterlockedExchange
MultiByteToWideChar
Sleep
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
HeapFree
HeapAlloc
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
GetCommandLineA
GetStartupInfoA
GetCPInfo
RtlUnwind
RaiseException
LCMapStringW
LCMapStringA
GetStringTypeW
HeapCreate
VirtualFree
HeapReAlloc
ExitProcess
WriteFile
GetStdHandle
GetModuleFileNameA
TlsGetValue
TlsAlloc
TlsSetValue
TlsFree
GetCurrentThreadId
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
SetHandleCount
GetFileType
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
GetStringTypeA
HeapSize
GetACP
GetOEMCP
IsValidCodePage
GetUserDefaultLCID
GetLocaleInfoA
EnumSystemLocalesA
IsValidLocale
InitializeCriticalSectionAndSpinCount
GetLocaleInfoW
GetModuleHandleA
user32
CharLowerBuffW
gdi32
GetCharWidthW
EnumFontsW
GetCharABCWidthsFloatW
Sections
.text Size: 689KB - Virtual size: 688KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 4.8MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 101KB - Virtual size: 100KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 21KB - Virtual size: 21KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ