Static task
static1
Behavioral task
behavioral1
Sample
cumloader584.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
cumloader584.exe
Resource
win10v2004-20230220-en
General
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Target
cumloader584.exe
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Size
828KB
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MD5
7dedfb03c0417469da8b2e50c7b514c2
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SHA1
793b8000997f2398b1c5d7dc6f8cac7a42ef10fa
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SHA256
18b11da4f088d5ea6137b7927a2b4420b6e6c3b3cf6316d0dbc4dd6fe7308889
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SHA512
85c88c38f29524cc678581d7ac79818f893ae79941191102691dfe331065b0a289801dea661c9a5ca98936fd215bbb9ce02c6c8aa1abde5d145f19a86cd369bf
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SSDEEP
12288:Q1dvXT9ZhFnml5v+tX4OkmzogNx88niKZ+ABnrwCp/Fxgz9ijd6+:QPXT9ZnBIOkm8gNGadrwCjaxij4
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource cumloader584.exe
Files
-
cumloader584.exe.exe windows x86
d3185d759d0419b7cf5b47864af3fc7f
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetConsoleAliasesLengthW
InterlockedDecrement
GetLogicalDriveStringsW
CancelWaitableTimer
SetComputerNameW
SetEvent
GetProcessPriorityBoost
GetModuleHandleW
EnumCalendarInfoExW
GetConsoleTitleA
ReadConsoleW
TlsSetValue
GlobalAlloc
FatalAppExitW
GetVersionExW
GetStringTypeExW
HeapDestroy
GlobalFlags
DnsHostnameToComputerNameW
FindNextVolumeW
GetConsoleAliasW
IsDBCSLeadByte
GetModuleFileNameW
CreateActCtxA
lstrlenW
ReplaceFileA
GetTempPathW
CreateJobObjectA
lstrlenA
GetLastError
SetLastError
ReadConsoleOutputCharacterA
GetProcAddress
AttachConsole
VirtualAlloc
LocalLock
ReadFileEx
GetTempFileNameA
LoadLibraryA
InterlockedExchangeAdd
CreateFileMappingA
LocalAlloc
DnsHostnameToComputerNameA
FindFirstVolumeMountPointW
GetNumberFormatW
OpenEventA
FindAtomA
GetTapeParameters
GetDefaultCommConfigA
GetModuleHandleA
SetLocaleInfoW
GetConsoleTitleW
GetConsoleCursorInfo
ScrollConsoleScreenBufferA
GetWindowsDirectoryW
AddConsoleAliasA
DebugBreak
EnumSystemLocalesW
FindFirstChangeNotificationW
SetProcessAffinityMask
SetThreadContext
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
InitializeCriticalSectionAndSpinCount
GetLocaleInfoW
user32
CharLowerBuffW
gdi32
GetCharWidthW
GetCharABCWidthsFloatW
EnumFontsW
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: 108KB - Virtual size: 108KB
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