Static task
static1
Behavioral task
behavioral1
Sample
dnscacheugc.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
dnscacheugc.exe
Resource
win10v2004-20231025-en
General
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Target
dnscacheugc.exe
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Size
30KB
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MD5
728f97cd4946c2a6d63a78759a2b5d5c
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SHA1
39ec5113923a4aa6bfe1c96c95250e79df4351b9
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SHA256
bb837fa21e4dca9c61df68aea4f0635b3a695b5c495ef500b971e3391927e2bb
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SHA512
1de5b48b45aa1671ed8936dec07ea795447345e73a2b83b50f859a7e35808f99863e4a0aee573e68498e285dd4f4a78bcfece9900ba6e0f369b6927ad6a44086
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SSDEEP
384:RA9EPryc1ObH93skXsz2nBMCFVY/Ztg7SaRDRhKOe5VkLobPIgvGfEWqXY3wyNlh:QIZ6ng+Sw635WLsKMBYgEwOHgnF31NL
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource dnscacheugc.exe
Files
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dnscacheugc.exe.exe windows:6 windows x64
790f916a78841e4b0958699a217600da
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
Imports
advapi32
RegQueryInfoKeyW
RegEnumValueW
RegEnumKeyExW
RegOpenKeyExW
RegCloseKey
RegCreateKeyExW
RegSetValueExW
kernel32
GetFileAttributesW
ExpandEnvironmentStringsW
TerminateProcess
SetLastError
CreateDirectoryW
GetFullPathNameW
DeleteCriticalSection
EnterCriticalSection
LocalFree
LocalAlloc
Sleep
SetUnhandledExceptionFilter
GetModuleHandleW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
GetTickCount
UnhandledExceptionFilter
GetCurrentProcess
GetProcAddress
FreeLibrary
HeapAlloc
HeapFree
GetProcessHeap
InitializeCriticalSection
LoadLibraryW
LeaveCriticalSection
GetModuleFileNameW
GetLastError
msvcrt
_amsg_exit
__getmainargs
_XcptFilter
exit
_exit
_cexit
wcstoul
_wcsnicmp
_vsnwprintf
__set_app_type
wcsrchr
_vsnprintf
wcschr
memcpy
_onexit
__dllonexit
_unlock
_lock
?terminate@@YAXXZ
_commode
_fmode
__C_specific_handler
_initterm
__setusermatherr
memset
ntdll
RtlAllocateHeap
RtlFreeHeap
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
iphlpapi
ConvertInterfaceLuidToGuid
ConvertInterfacePhysicalAddressToLuid
ConvertStringToInterfacePhysicalAddress
ConvertInterfaceAliasToLuid
ConvertInterfaceNameToLuidW
ParseNetworkString
Sections
.text Size: 22KB - Virtual size: 21KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 1024B - Virtual size: 780B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.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: 512B - Virtual size: 92B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ