Kum[.]exe | Triage

Sharing

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General

Target

Kum.exe
Size

904KB
MD5

292a16f30538da8a243a8c6b1dbc477a
SHA1

24d4b31a7783fbb0bfe04d44c27fd9de1b63c23a
SHA256

209c979e35e49831b8b4646b70cb2fea029e7fd02488b1af5a3554b689aa1503
SHA512

f14ba0555b2ae0849c47caf7abfbc6853845cfb273ba0d94e5bd8214bfd9e98c47e733d922fe5e29f68239805b591e48d71b3daa6fa8c28618419e40498a6e60
SSDEEP

24576:RcvkTQZfXyZ31qvGjQSsXGm5dQc7xzdxk:+vkTCXOlqM9mDDfy

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Kum.exe

Files

Kum.exe
.exe windows:4 windows x86 arch:x86

Password: 123

5877688b4859ffd051f6be3b8e0cd533

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

msvcrt

memset
wcsncmp
memmove
wcsncpy
wcsstr
_wcsnicmp
_wcsdup
free
_wcsicmp
wcslen
wcscpy
wcscmp
memcpy
tolower
wcscat
malloc

kernel32

GetModuleHandleW
HeapCreate
GetStdHandle
HeapDestroy
ExitProcess
WriteFile
GetTempFileNameW
LoadLibraryExW
EnumResourceTypesW
FreeLibrary
RemoveDirectoryW
GetExitCodeProcess
EnumResourceNamesW
GetCommandLineW
LoadResource
SizeofResource
FreeResource
FindResourceW
GetNativeSystemInfo
GetShortPathNameW
GetWindowsDirectoryW
GetSystemDirectoryW
EnterCriticalSection
CloseHandle
LeaveCriticalSection
InitializeCriticalSection
WaitForSingleObject
TerminateThread
CreateThread
Sleep
GetProcAddress
GetVersionExW
WideCharToMultiByte
HeapAlloc
HeapFree
LoadLibraryW
GetCurrentProcessId
GetCurrentThreadId
GetModuleFileNameW
GetEnvironmentVariableW
SetEnvironmentVariableW
GetCurrentProcess
TerminateProcess
SetUnhandledExceptionFilter
HeapSize
MultiByteToWideChar
CreateDirectoryW
SetFileAttributesW
GetTempPathW
DeleteFileW
GetCurrentDirectoryW
SetCurrentDirectoryW
CreateFileW
SetFilePointer
TlsFree
TlsGetValue
TlsSetValue
TlsAlloc
HeapReAlloc
DeleteCriticalSection
InterlockedCompareExchange
InterlockedExchange
GetLastError
SetLastError
UnregisterWait
GetCurrentThread
DuplicateHandle
RegisterWaitForSingleObject

user32

CharUpperW
CharLowerW
MessageBoxW
DefWindowProcW
DestroyWindow
GetWindowLongW
GetWindowTextLengthW
GetWindowTextW
UnregisterClassW
LoadIconW
LoadCursorW
RegisterClassExW
IsWindowEnabled
EnableWindow
GetSystemMetrics
CreateWindowExW
SetWindowLongW
SendMessageW
SetFocus
CreateAcceleratorTableW
SetForegroundWindow
BringWindowToTop
GetMessageW
TranslateAcceleratorW
TranslateMessage
DispatchMessageW
DestroyAcceleratorTable
PostMessageW
GetForegroundWindow
GetWindowThreadProcessId
IsWindowVisible
EnumWindows
SetWindowPos

gdi32

GetStockObject

comctl32

InitCommonControlsEx

shell32

ShellExecuteExW
SHGetFolderLocation
SHGetPathFromIDListW

winmm

timeBeginPeriod

ole32

CoInitialize
CoTaskMemFree

shlwapi

PathAddBackslashW
PathRenameExtensionW
PathQuoteSpacesW
PathRemoveArgsW
PathRemoveBackslashW

Sections

.code
Size: 14KB - Virtual size: 13KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.text
Size: 53KB - Virtual size: 52KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 819KB - Virtual size: 818KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Password: 123

5877688b4859ffd051f6be3b8e0cd533

Headers

File Characteristics

Imports

msvcrt

kernel32

user32

gdi32

comctl32

shell32

winmm

ole32

shlwapi

Sections

.code Size: 14KB - Virtual size: 13KB

.text Size: 53KB - Virtual size: 52KB

.rdata Size: 13KB - Virtual size: 12KB

.data Size: 4KB - Virtual size: 5KB

.rsrc Size: 819KB - Virtual size: 818KB

.code
Size: 14KB - Virtual size: 13KB

.text
Size: 53KB - Virtual size: 52KB

.rdata
Size: 13KB - Virtual size: 12KB

.data
Size: 4KB - Virtual size: 5KB

.rsrc
Size: 819KB - Virtual size: 818KB