Static task
static1
Behavioral task
behavioral1
Sample
Dism.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Dism.exe
Resource
win10v2004-20230220-en
General
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Target
Dism.exe
-
Size
207KB
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MD5
b6a37c8c64dc87031293357f06da1a7f
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SHA1
a06147b003a4f8530944a77164499a82563b7a75
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SHA256
c0551cbb37772545f50b00bde96b83d16f35ef146cf44cea124beda934d53300
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SHA512
9927d9cd1827e1939548ab6a5e812a8a8063ea3550880ff7f14e96e94acf3fba5fe5c20f8fdb358b1a4eed6ea5c41f0030e6d966d306907c6b0cc94fd0208ed5
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SSDEEP
6144:uqF5Zd6KaPKJxphyQtQVlmMMWfhovr2V:FGCFMu1Mho6V
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Dism.exe
Files
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Dism.exe.exe windows x86
c32889e572eef3a734161be8e976fe00
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
IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP
IMAGE_FILE_NET_RUN_FROM_SWAP
Imports
msvcrt
_unlock
_lock
??1type_info@@UAE@XZ
wcsstr
iswalpha
_wcsnicmp
towlower
__dllonexit
_initterm
__setusermatherr
__p__fmode
_cexit
_exit
exit
__set_app_type
__wgetmainargs
_onexit
__CxxFrameHandler3
_amsg_exit
__p__commode
_XcptFilter
_CxxThrowException
_callnewh
??0exception@@QAE@XZ
wcscpy_s
_errno
realloc
_except_handler4_common
memset
wcsrchr
calloc
malloc
_purecall
??0exception@@QAE@ABQBD@Z
?what@exception@@UBEPBDXZ
??1exception@@UAE@XZ
??0exception@@QAE@ABV0@@Z
free
_vsnwprintf
towupper
_getwch
vswprintf_s
_vscwprintf
_controlfp
_wcslwr_s
_wcsicmp
wcschr
wprintf
memmove_s
memcpy_s
?terminate@@YAXXZ
memcmp
_ftol2
__RTDynamicCast
memcpy
api-ms-win-downlevel-kernel32-l1-1-0
OutputDebugStringW
GetCommandLineW
HeapFree
GetProcessHeap
SizeofResource
SetThreadUILanguage
LoadResource
FindResourceExW
Sleep
SetConsoleCtrlHandler
CloseHandle
GetCurrentProcess
LockResource
GetLastError
LeaveCriticalSection
SetEvent
DeleteCriticalSection
RaiseException
EnterCriticalSection
SetErrorMode
CompareStringW
InitializeCriticalSection
GetStdHandle
HeapAlloc
WriteConsoleW
WideCharToMultiByte
WriteFile
GetFileType
GetConsoleMode
GetModuleFileNameW
GetProcAddress
GetVersionExW
GetModuleHandleW
SearchPathW
MapViewOfFile
UnmapViewOfFile
CreateFileMappingW
FindFirstFileW
CopyFileExW
FindClose
DeviceIoControl
FindNextFileW
IsWow64Process
FormatMessageW
GetFileAttributesW
SetLastError
CreateFileW
WaitForSingleObject
GetSystemInfo
HeapDestroy
HeapReAlloc
HeapSize
MultiByteToWideChar
LoadLibraryExW
FreeLibrary
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
GetModuleHandleA
QueryPerformanceCounter
GetCurrentProcessId
GetSystemTimeAsFileTime
GetTickCount
OutputDebugStringA
GetModuleHandleExW
SetFileAttributesW
GetDriveTypeW
GetSystemWindowsDirectoryW
ExpandEnvironmentStringsW
GetCurrentThreadId
GetTempFileNameW
GetFullPathNameW
CreateDirectoryW
GetFileInformationByHandle
ReadFile
SetFilePointer
api-ms-win-downlevel-advapi32-l1-1-1
GetLengthSid
IsValidSecurityDescriptor
GetAclInformation
AddAce
SetSecurityDescriptorDacl
SetSecurityDescriptorGroup
MakeAbsoluteSD
GetSecurityDescriptorControl
GetSecurityDescriptorGroup
GetSecurityDescriptorDacl
GetSecurityDescriptorSacl
GetSecurityDescriptorOwner
InitializeSecurityDescriptor
SetSecurityDescriptorOwner
GetSidLengthRequired
InitializeSid
GetSidSubAuthority
GetTraceEnableLevel
RegisterTraceGuidsW
TraceEvent
AdjustTokenPrivileges
OpenProcessToken
RegCloseKey
InitializeAcl
RegOpenKeyExW
IsValidSid
GetTraceEnableFlags
CopySid
GetTraceLoggerHandle
UnregisterTraceGuids
api-ms-win-downlevel-advapi32-l4-1-0
InitiateSystemShutdownExW
LookupPrivilegeValueW
api-ms-win-downlevel-ole32-l1-1-1
GetErrorInfo
CoInitializeSecurity
CoInitializeEx
CoCreateInstance
CoUninitialize
api-ms-win-downlevel-kernel32-l2-1-0
LocalFree
LocalAlloc
api-ms-win-downlevel-user32-l1-1-1
CharLowerBuffW
oleaut32
SysAllocString
SysStringLen
LoadRegTypeLi
LoadTypeLi
SysStringByteLen
SysFreeString
SysAllocStringByteLen
SysAllocStringLen
VarBstrCmp
VariantClear
api-ms-win-downlevel-version-l1-1-0
GetFileVersionInfoSizeExW
GetFileVersionInfoExW
VerQueryValueW
ntdll
RtlNtStatusToDosError
RtlGetVersion
RtlAllocateHeap
RtlFreeHeap
NtSetInformationFile
Sections
.text Size: 148KB - Virtual size: 147KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 6KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 31KB - Virtual size: 30KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 15KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ