Static task
static1
Behavioral task
behavioral1
Sample
downloader.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
downloader.exe
Resource
win10v2004-20230220-en
General
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Target
downloader.exe
-
Size
826KB
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MD5
21f9782d9a94d0b50c647f9646179f71
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SHA1
e4b0da208eef41a2bceb98ae9f10bcbe931eeda9
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SHA256
8cd54880215988e7d01e964c1adbfda42666c0610bc4bb491eea272c7f24d498
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SHA512
7786e847abbf4d3754904a898c6bd73270230b6d482c08a059f3246cd716fe6178592d60ec40f9b480ad4092793547191597bb7e99890ce8b6cbf912289458e7
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SSDEEP
24576:zXyGxVFC+lcXJ0vdDxHGO5OtBBIdNacBkjJO:zJxbxlcX+vdDxHTyBIdNpk
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource downloader.exe
Files
-
downloader.exe.exe windows x86
885df6b18e739ee3563619e20c0ba91a
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
FindFirstChangeNotificationW
lstrlenA
GetConsoleAliasesLengthW
InterlockedDecrement
GetLogicalDriveStringsW
CancelWaitableTimer
SetEvent
GetProcessPriorityBoost
GetModuleHandleW
EnumCalendarInfoExW
GetConsoleTitleA
ReadConsoleW
TlsSetValue
GlobalAlloc
FatalAppExitW
GetSystemWindowsDirectoryA
GetVersionExW
HeapDestroy
GlobalFlags
FindNextVolumeW
GetConsoleAliasW
IsDBCSLeadByte
GetModuleFileNameW
CreateActCtxA
ReplaceFileA
GetTempPathW
GetStringTypeExA
SetThreadContext
GetLastError
SetLastError
ReadConsoleOutputCharacterA
GetProcAddress
AttachConsole
VirtualAlloc
SetComputerNameA
GetTempFileNameA
LoadLibraryA
InterlockedExchangeAdd
CreateFileMappingA
LocalAlloc
DnsHostnameToComputerNameA
FindFirstVolumeMountPointW
OpenEventA
FindAtomA
GetTapeParameters
GetDefaultCommConfigA
SetLocaleInfoW
GetConsoleTitleW
GetConsoleCursorInfo
WaitForDebugEvent
ScrollConsoleScreenBufferA
GetWindowsDirectoryW
AddConsoleAliasA
EnumSystemLocalesW
GlobalDeleteAtom
SetProcessAffinityMask
CreateJobObjectA
GetDateFormatW
WideCharToMultiByte
InterlockedIncrement
InterlockedCompareExchange
InterlockedExchange
MultiByteToWideChar
Sleep
InitializeCriticalSection
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
TlsFree
GetCurrentThreadId
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
SetHandleCount
GetFileType
QueryPerformanceCounter
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
GetStringTypeA
HeapSize
GetACP
GetOEMCP
IsValidCodePage
GetUserDefaultLCID
GetLocaleInfoA
EnumSystemLocalesA
IsValidLocale
GetModuleHandleA
InitializeCriticalSectionAndSpinCount
GetLocaleInfoW
user32
CharLowerBuffW
gdi32
GetCharWidthW
EnumFontsW
GetCharABCWidthsFloatW
Sections
.text Size: 690KB - Virtual size: 690KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 4.8MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 106KB - Virtual size: 106KB
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