Static task
static1
Behavioral task
behavioral1
Sample
Utilman.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Utilman.exe
Resource
win10v2004-20230220-en
General
-
Target
Utilman.exe
-
Size
1.3MB
-
MD5
7b9602d3475967f149c1a2c3e2b75a79
-
SHA1
1d80a6a9186228be9e0f3cd137a20338b581eba2
-
SHA256
ac6a46f2ac91fbe134a394857daec29a5f0fe2c1ebfb18ad0735451a60880622
-
SHA512
8c0e3127580582cd5d99acec1233151ed51bd63bfaba8eee82cfe0fee0bba09c8d05b70f316ba29f29c6666a54992167aab8e9628082409e4798cf3d9b1318bc
-
SSDEEP
12288:q5LFc6AYSYZrQLvhxjmNnqltWRC/Ny+zphFKeuM4CKB7u:qBAY9lQFkNqi0cKphF0CKB
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Utilman.exe
Files
-
Utilman.exe.exe windows x86
dcf0cd9257282658699a95e5364092b8
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
advapi32
GetTraceEnableFlags
GetTraceEnableLevel
GetTraceLoggerHandle
RegisterTraceGuidsW
UnregisterTraceGuids
TraceMessage
FreeSid
CheckTokenMembership
AllocateAndInitializeSid
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
RegSetValueExW
EventRegister
EventUnregister
EventWrite
RegEnumValueW
RegLoadMUIStringW
RegCreateKeyExW
RegEnumKeyExW
kernel32
HeapAlloc
FindResourceExW
ExpandEnvironmentStringsW
GetThreadUILanguage
GetFileAttributesW
DeleteFileW
UnhandledExceptionFilter
TerminateProcess
GetSystemTimeAsFileTime
GetCurrentThreadId
GetTickCount
QueryPerformanceCounter
GetModuleHandleA
SetUnhandledExceptionFilter
GetStartupInfoW
InterlockedCompareExchange
GetLastError
MultiByteToWideChar
InterlockedExchange
GetVersionExA
DeleteCriticalSection
InitializeCriticalSection
LeaveCriticalSection
EnterCriticalSection
HeapSize
HeapReAlloc
HeapFree
HeapDestroy
CloseHandle
K32GetModuleBaseNameW
K32EnumProcessModules
OpenProcess
ProcessIdToSessionId
GetCurrentProcessId
K32EnumProcesses
RaiseException
lstrlenW
Sleep
IsProcessInJob
GetCurrentProcess
HeapSetInformation
LoadResource
GetProcessHeap
GetModuleHandleW
SizeofResource
LockResource
FindResourceW
user32
SendInput
GetKeyState
SetWindowPos
LoadIconW
KillTimer
PostMessageW
SetTimer
SetWindowTextW
SetCursor
LoadCursorW
SystemParametersInfoW
UnregisterClassA
SendMessageTimeoutW
msvcrt
malloc
free
wcsstr
memmove_s
calloc
??_V@YAXPAX@Z
__wgetmainargs
_cexit
_exit
_XcptFilter
memcpy_s
_wcmdln
_initterm
_amsg_exit
__setusermatherr
__p__commode
__p__fmode
__set_app_type
_unlock
__dllonexit
_lock
_onexit
_except_handler4_common
?terminate@@YAXXZ
_controlfp
__CxxFrameHandler3
wcschr
??_U@YAPAXI@Z
_wcslwr_s
_wtoi
_ltow_s
_purecall
??2@YAPAXI@Z
_vsnwprintf
_wcsicmp
memset
??3@YAXPAX@Z
exit
wcsspn
wcscspn
wcsrchr
??1type_info@@UAE@XZ
ntdll
WinSqmIsOptedIn
WinSqmAddToStream
ole32
CoCreateInstance
CoUninitialize
CoInitialize
comctl32
ord344
shell32
ShellExecuteW
dui70
?GetContentString@Element@DirectUI@@QAEPBGPAPAVValue@2@@Z
?Release@Value@DirectUI@@QAEXXZ
?AddListener@Element@DirectUI@@QAEJPAUIElementListener@2@@Z
?GetKeyFocusedElement@HWNDElement@DirectUI@@SGPAVElement@2@XZ
?GetEnabled@Element@DirectUI@@QAE_NXZ
?GetID@Element@DirectUI@@QAEGXZ
?Click@Button@DirectUI@@SG?AVUID@@XZ
?SetEnabled@Element@DirectUI@@QAEJ_N@Z
?GetSelected@Element@DirectUI@@QAE_NXZ
?SetSelected@Element@DirectUI@@QAEJ_N@Z
StrToID
?FindDescendent@Element@DirectUI@@QAEPAV12@G@Z
?GetParent@Element@DirectUI@@QAEPAV12@XZ
?Create@Element@DirectUI@@SGJIPAV12@PAKPAPAV12@@Z
?SetContentString@Element@DirectUI@@QAEJPBG@Z
?SetClass@Element@DirectUI@@QAEJPBG@Z
?Insert@Element@DirectUI@@QAEJPAV12@I@Z
?SetLayoutPos@Element@DirectUI@@QAEJH@Z
?GetClassInfoPtr@CCPushButton@DirectUI@@SGPAUIClassInfo@2@XZ
?Create@DUIXmlParser@DirectUI@@SGJPAPAV12@P6GPAVValue@2@PBGPAX@Z2P6GX11H2@Z2@Z
?SetXMLFromResource@DUIXmlParser@DirectUI@@QAEJIPAUHINSTANCE__@@0@Z
?Destroy@DUIXmlParser@DirectUI@@QAEXXZ
??0HWNDElement@DirectUI@@QAE@XZ
?Destroy@Element@DirectUI@@QAEJ_N@Z
?WndProc@HWNDElement@DirectUI@@UAEJPAUHWND__@@IIJ@Z
?CreateStyleParser@HWNDElement@DirectUI@@UAEJPAPAVDUIXmlParser@2@@Z
?RemoveListener@Element@DirectUI@@QAEXPAUIElementListener@2@@Z
?OnCompositionChanged@HWNDElement@DirectUI@@UAEXXZ
?OnWmThemeChanged@HWNDElement@DirectUI@@UAEXIJ@Z
?OnGetDlgCode@HWNDElement@DirectUI@@UAEXPAUtagMSG@@PAJ@Z
?OnNoChildWithShortcutFound@HWNDElement@DirectUI@@UAEXPAUKeyboardEvent@2@@Z
?OnThemeChanged@HWNDElement@DirectUI@@UAEXPAUThemeChangedEvent@2@@Z
?GetHWND@HWNDElement@DirectUI@@UAEPAUHWND__@@XZ
?HandleUiaEventListener@Element@DirectUI@@UAEXPAUEvent@2@@Z
?HandleUiaPropertyChangingListener@Element@DirectUI@@UAEXPBUPropertyInfo@2@@Z
?HandleUiaPropertyListener@Element@DirectUI@@UAEXPBUPropertyInfo@2@HPAVValue@2@1@Z
?HandleUiaDestroyListener@Element@DirectUI@@UAEXXZ
?GetElementProviderImpl@Element@DirectUI@@UAEJPAVInvokeHelper@2@PAPAVElementProvider@2@@Z
?DefaultAction@Element@DirectUI@@UAEJXZ
?GetAccessibleImpl@HWNDElement@DirectUI@@UAEJPAPAUIAccessible@@@Z
?GetClassInfoW@HWNDElement@DirectUI@@UAEPAUIClassInfo@2@XZ
?GetKeyFocused@Element@DirectUI@@UAE_NXZ
?RemoveTooltip@HWNDElement@DirectUI@@UAEXPAVElement@2@@Z
?ActivateTooltip@HWNDElement@DirectUI@@UAEXPAVElement@2@K@Z
?UpdateTooltip@HWNDElement@DirectUI@@UAEXPAVElement@2@@Z
?OnUnHosted@Element@DirectUI@@MAEXPAV12@@Z
?OnHosted@Element@DirectUI@@MAEXPAV12@@Z
?_SelfLayoutUpdateDesiredSize@Element@DirectUI@@MAE?AUtagSIZE@@HHPAVSurface@2@@Z
?_SelfLayoutDoLayout@Element@DirectUI@@MAEXHH@Z
?QueryInterface@Element@DirectUI@@UAGJABU_GUID@@PAPAX@Z
?MessageCallback@Element@DirectUI@@UAEIPAUtagGMSG@@@Z
?SetKeyFocus@Element@DirectUI@@UAEXXZ
?EnsureVisible@Element@DirectUI@@UAE_NHHHH@Z
?GetAdjacent@Element@DirectUI@@UAEPAV12@PAV12@HPBUNavReference@2@K@Z
?Remove@Element@DirectUI@@UAEJPAPAV12@I@Z
?Insert@Element@DirectUI@@UAEJPAPAV12@II@Z
?Add@Element@DirectUI@@UAEJPAPAV12@I@Z
?GetContentSize@Element@DirectUI@@UAE?AUtagSIZE@@HHPAVSurface@2@@Z
?Paint@Element@DirectUI@@UAEXPAUHDC__@@PBUtagRECT@@1PAU4@2@Z
?OnDestroy@HWNDElement@DirectUI@@UAEXXZ
?OnMouseFocusMoved@Element@DirectUI@@UAEXPAV12@0@Z
?OnKeyFocusMoved@Element@DirectUI@@UAEXPAV12@0@Z
?OnInput@HWNDElement@DirectUI@@UAEXPAUInputEvent@2@@Z
?OnGroupChanged@HWNDElement@DirectUI@@UAEXH_N@Z
?OnPropertyChanged@Element@DirectUI@@UAEXPAUPropertyInfo@2@HPAVValue@2@1@Z
?OnPropertyChanged@HWNDElement@DirectUI@@UAEXPBUPropertyInfo@2@HPAVValue@2@1@Z
?OnPropertyChanging@Element@DirectUI@@UAE_NPAUPropertyInfo@2@HPAVValue@2@1@Z
?OnPropertyChanging@Element@DirectUI@@UAE_NPBUPropertyInfo@2@HPAVValue@2@1@Z
?GetContentStringAsDisplayed@Element@DirectUI@@UAEPBGPAPAVValue@2@@Z
?IsContentProtected@Element@DirectUI@@UAE_NXZ
?IsRTLReading@Element@DirectUI@@UAE_NXZ
??1HWNDElement@DirectUI@@UAE@XZ
?DestroyWindow@NativeHWNDHost@DirectUI@@QAEXXZ
?OnEvent@HWNDElement@DirectUI@@UAEXPAUEvent@2@@Z
?CanSetFocus@HWNDElement@DirectUI@@UAE_NXZ
?Register@HWNDElement@DirectUI@@SGJXZ
?Initialize@HWNDElement@DirectUI@@QAEJPAUHWND__@@_NIPAVElement@2@PAK@Z
?SetVisible@Element@DirectUI@@QAEJ_N@Z
?SetAccessible@Element@DirectUI@@QAEJ_N@Z
InitProcessPriv
UnInitProcessPriv
UnInitThread
?Destroy@NativeHWNDHost@DirectUI@@QAEXXZ
StartMessagePump
?ShowWindow@NativeHWNDHost@DirectUI@@QAEXH@Z
?GetHWND@NativeHWNDHost@DirectUI@@QAEPAUHWND__@@XZ
?EndDefer@Element@DirectUI@@QAEXK@Z
?Create@NativeHWNDHost@DirectUI@@SGJPBGPAUHWND__@@PAUHICON__@@HHHHHHIPAPAV12@@Z
InitThread
??1DUIFactory@DirectUI@@QAE@XZ
?Add@Element@DirectUI@@QAEJPAV12@@Z
?LoadFromResource@DUIFactory@DirectUI@@QAEJPAUHINSTANCE__@@PBG1PAVElement@2@PAKPAPAV42@1@Z
??0DUIFactory@DirectUI@@QAE@PAUHWND__@@@Z
?Destroy@Layout@DirectUI@@QAEXXZ
?SetLayout@Element@DirectUI@@QAEJPAVLayout@2@@Z
?Create@FillLayout@DirectUI@@SGJPAPAVLayout@2@@Z
?DoubleBuffered@Element@DirectUI@@QAEX_N@Z
?Host@NativeHWNDHost@DirectUI@@QAEXPAVElement@2@@Z
Sections
.text Size: 46KB - Virtual size: 46KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1.3MB - Virtual size: 1.3MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 6KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ