cleanmgr[.]exe

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General

Target

cleanmgr.exe
Size

308KB
MD5

1a52c127fd0638bc2724765969c60b18
SHA1

37b7146ee288a5f4687cd4374895c3313b6b25c8
SHA256

6fe69bc1a0496a331d215fed0da35d95fd3117041334f4ebc85bb57e4f60c254
SHA512

4f430d2e098c5078a871fdd27610ca83a39414a017a3767b79135e0de8c4fbccb96e8022a500216355c95befc469ed3d55fa4f5ee48eb9fed87e0d7cd72ea86c
SSDEEP

3072:YuBpbscsxuDq75NQIfwmbbA5DmqEfAEPGRvQhRkKqUa9antF5hvvJkuXp9:Bx3TENQXmqEIE+ohSKq99UF5hvv/

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
cleanmgr.exe

Files

cleanmgr.exe
.exe windows:10 windows x64 arch:x64

30d864ed5e51380efaec7a8ce9739a9f

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

cleanmgr.pdb

Imports

gdi32

ExtTextOutW
GetLayout
SetBkMode
SetTextColor
SetBkColor
GetTextExtentPoint32W

user32

GetClientRect
SetDlgItemTextW
GetParent
SendDlgItemMessageW
IsDialogMessageW
GetDlgItem
SendMessageW
MessageBoxW
LoadStringW
EnumWindows
DispatchMessageW
TranslateMessage
GetMessageW
DestroyIcon
LoadIconW
GetSystemMetrics
CreateDialogParamW
DestroyWindow
DialogBoxParamW
EndDialog
SetFocus
GetSysColor
DrawFocusRect
ShowWindow
DrawIconEx
SetForegroundWindow
GetWindowTextW
PostMessageW
GetWindowLongPtrW
EnableWindow
GetWindowLongW
SetWindowLongPtrW

msvcrt

toupper
_wcsicmp
_i64toa_s
memcpy_s
_vsnwprintf
?terminate@@YAXXZ
_onexit
__dllonexit
_unlock
memset
_commode
_fmode
__C_specific_handler
_initterm
__setusermatherr
wcscmp
_exit
exit
__set_app_type
__getmainargs
_amsg_exit
_XcptFilter
sqrt
_lock
_cexit

comctl32

ord17
CreatePropertySheetPageW
PropertySheetW
ImageList_Create
ImageList_ReplaceIcon
ord345

shell32

SHGetFileInfoW
ord680
ExtractIconExW
ShellExecuteExW

shlwapi

SHDeleteKeyW
ord487
StrFormatByteSizeW
ord271
StrCmpNW
StrCmpW
StrToIntW
StrStrIW
PathStripToRootW

api-ms-win-core-localization-l1-2-0

FormatMessageW

api-ms-win-core-processthreads-l1-1-0

GetCurrentProcessId
CreateThread
GetCurrentThreadId
TerminateProcess
GetCurrentProcess

api-ms-win-core-heap-l1-1-0

HeapSetInformation
HeapFree
GetProcessHeap
HeapAlloc

api-ms-win-core-libraryloader-l1-2-0

LoadLibraryExW
GetModuleHandleExW
GetModuleHandleW
FreeLibrary
GetModuleFileNameA
GetProcAddress
GetModuleFileNameW

api-ms-win-core-debug-l1-1-0

IsDebuggerPresent
OutputDebugStringW
DebugBreak

api-ms-win-core-errorhandling-l1-1-0

GetLastError
SetErrorMode
SetUnhandledExceptionFilter
SetLastError
UnhandledExceptionFilter

api-ms-win-core-handle-l1-1-0

CloseHandle

api-ms-win-core-synch-l1-1-0

OpenSemaphoreW
ReleaseSemaphore
WaitForSingleObjectEx
AcquireSRWLockExclusive
WaitForSingleObject
SetEvent
CreateEventW
CreateMutexExW
CreateSemaphoreExW
ReleaseMutex
ReleaseSRWLockExclusive

api-ms-win-eventing-provider-l1-1-0

EventRegister
EventSetInformation
EventWriteTransfer
EventActivityIdControl
EventUnregister

api-ms-win-core-com-l1-1-0

CoInitializeEx
CoTaskMemAlloc
CoUninitialize
CoCreateInstance
CoTaskMemFree
CLSIDFromString

api-ms-win-core-sysinfo-l1-1-0

GetTickCount
GetWindowsDirectoryW
GetSystemTime
GetSystemTimeAsFileTime
GetTickCount64

api-ms-win-core-heap-l2-1-0

LocalFree
LocalAlloc

api-ms-win-core-file-l1-1-0

GetVolumeInformationW
GetDriveTypeW
GetDiskFreeSpaceW
GetDiskFreeSpaceExW

api-ms-win-core-processenvironment-l1-1-0

GetCommandLineW

api-ms-win-core-string-l1-1-0

WideCharToMultiByte

api-ms-win-core-file-l1-2-0

GetVolumeNameForVolumeMountPointW

api-ms-win-core-synch-l1-2-0

Sleep
InitOnceBeginInitialize
InitOnceComplete

api-ms-win-core-registry-l1-1-0

RegEnumKeyExW
RegSetValueExW
RegGetValueW
RegOpenKeyExW
RegCloseKey
RegQueryValueExW

oleaut32

VariantInit
SysStringLen
VariantClear

api-ms-win-core-timezone-l1-1-0

SystemTimeToFileTime

api-ms-win-core-rtlsupport-l1-1-0

RtlLookupFunctionEntry
RtlCaptureContext
RtlVirtualUnwind

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter

kernel32

GetStartupInfoA
MulDiv
lstrlenW
CheckElevationEnabled

ntdll

RtlNtStatusToDosError
NtOpenProcessToken
NtQueryInformationToken
NtClose
NtOpenThreadToken

ole32

CoInitialize

vssapi

VssFreeSnapshotPropertiesInternal
CreateVssBackupComponentsInternal

api-ms-win-core-delayload-l1-1-1

ResolveDelayLoadedAPI

api-ms-win-core-delayload-l1-1-0

DelayLoadFailureHook

Sections

.text
Size: 84KB - Virtual size: 82KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 28KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 4KB - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 176KB - Virtual size: 175KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 148B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

30d864ed5e51380efaec7a8ce9739a9f

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

gdi32

user32

msvcrt

comctl32

shell32

shlwapi

api-ms-win-core-localization-l1-2-0

api-ms-win-core-processthreads-l1-1-0

api-ms-win-core-heap-l1-1-0

api-ms-win-core-libraryloader-l1-2-0

api-ms-win-core-debug-l1-1-0

api-ms-win-core-errorhandling-l1-1-0

api-ms-win-core-handle-l1-1-0

api-ms-win-core-synch-l1-1-0

api-ms-win-eventing-provider-l1-1-0

api-ms-win-core-com-l1-1-0

api-ms-win-core-sysinfo-l1-1-0

api-ms-win-core-heap-l2-1-0

api-ms-win-core-file-l1-1-0

api-ms-win-core-processenvironment-l1-1-0

api-ms-win-core-string-l1-1-0

api-ms-win-core-file-l1-2-0

api-ms-win-core-synch-l1-2-0

api-ms-win-core-registry-l1-1-0

oleaut32

api-ms-win-core-timezone-l1-1-0

api-ms-win-core-rtlsupport-l1-1-0

api-ms-win-core-profile-l1-1-0

kernel32

ntdll

ole32

vssapi

api-ms-win-core-delayload-l1-1-1

api-ms-win-core-delayload-l1-1-0

Sections

.text Size: 84KB - Virtual size: 82KB

.rdata Size: 28KB - Virtual size: 25KB

.data Size: 4KB - Virtual size: 2KB

.pdata Size: 4KB - Virtual size: 2KB

.didat Size: 4KB - Virtual size: 32B

.rsrc Size: 176KB - Virtual size: 175KB

.reloc Size: 4KB - Virtual size: 148B

.text
Size: 84KB - Virtual size: 82KB

.rdata
Size: 28KB - Virtual size: 25KB

.data
Size: 4KB - Virtual size: 2KB

.pdata
Size: 4KB - Virtual size: 2KB

.didat
Size: 4KB - Virtual size: 32B

.rsrc
Size: 176KB - Virtual size: 175KB

.reloc
Size: 4KB - Virtual size: 148B