Static task
static1
Behavioral task
behavioral1
Sample
gpupdate.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
gpupdate.exe
Resource
win10v2004-20230220-en
General
-
Target
gpupdate.exe
-
Size
24KB
-
MD5
6dc3720ea74b49c8ed64aca3e0162ac8
-
SHA1
b473d5bc0e9a3a02d26b73770cbef6af2cf93b26
-
SHA256
9732b6c10d74c01d69be9d61f2056b4f30ff911045a14126d0c1352d02c276e3
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SHA512
8607f320028058363768a95768e2d609ca13c794479b28f2e850c624b7a8e6fbc0cca9f66dcc5e446efc371d0b53e0eb631d7fab8ac3e221dc82cd1a4d984189
-
SSDEEP
384:ZI/t0ZEVsKmxTDaLuiYK5jUhL4O1TBRbVnaYaV4T4rZo/qWF9DW4l:mt0ZmlUllzrT4rq/7
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource gpupdate.exe
Files
-
gpupdate.exe.exe windows x86
e28fe91aadcec39343d96c4659091959
Headers
DLL Characteristics
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_32BIT_MACHINE
Imports
advapi32
InitiateSystemShutdownExW
OpenProcessToken
AdjustTokenPrivileges
LookupPrivilegeValueW
GetTokenInformation
kernel32
GetLastError
LocalFree
GetCurrentProcess
GetConsoleOutputCP
WaitForMultipleObjects
SetThreadUILanguage
FormatMessageW
CloseHandle
CreateThread
HeapSetInformation
GetModuleHandleW
LocalReAlloc
Sleep
LocalAlloc
msvcrt
_XcptFilter
_wcsnicmp
_wsetlocale
__p__commode
getwchar
__wgetmainargs
__set_app_type
_exit
exit
_cexit
__p__fmode
__setusermatherr
_initterm
_amsg_exit
?terminate@@YAXXZ
_ultow
towupper
_wcsicmp
wcstol
__dllonexit
_unlock
_lock
_except_handler4_common
_controlfp
??1type_info@@UAE@XZ
_onexit
_callnewh
malloc
_vsnwprintf
wprintf
memmove
memcpy
_CxxThrowException
?what@exception@@UBEPBDXZ
??1exception@@UAE@XZ
??0exception@@QAE@ABV0@@Z
__CxxFrameHandler3
??3@YAXPAX@Z
_purecall
??0exception@@QAE@ABQBD@Z
??0exception@@QAE@ABQBDH@Z
gpapi
ord115
api-ms-win-core-libraryloader-l1-2-0
LoadStringW
userenv
ForceSyncFgPolicy
api-ms-win-core-errorhandling-l1-1-0
SetUnhandledExceptionFilter
UnhandledExceptionFilter
api-ms-win-core-profile-l1-1-0
QueryPerformanceCounter
api-ms-win-core-processthreads-l1-1-0
GetCurrentProcessId
GetCurrentThreadId
TerminateProcess
api-ms-win-core-sysinfo-l1-1-0
GetTickCount
GetSystemTimeAsFileTime
ntdll
RtlConvertSidToUnicodeString
NtQueryInformationToken
RtlCopySid
RtlLengthSid
user32
ExitWindowsEx
wevtapi
EvtFormatMessage
EvtNext
EvtQuery
EvtOpenPublisherMetadata
EvtClose
api-ms-win-core-synch-l1-1-0
InitializeCriticalSectionEx
DeleteCriticalSection
Sections
.text Size: 16KB - Virtual size: 15KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ