Static task
static1
Behavioral task
behavioral1
Sample
ComputerDefaults.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
ComputerDefaults.exe
Resource
win10v2004-20230703-en
General
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Target
ComputerDefaults.exe
-
Size
80KB
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MD5
d25a9e160e3b74ef2242023726f15416
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SHA1
27a9bb9d7628d442f9b5cf47711c906e3315755b
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SHA256
7b0334c329e40a542681bcaff610ae58ada8b1f77ff6477734c1b8b9a951ef4c
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SHA512
bafaee786c90c96a2f76d4bbcddbbf397a1afd82d55999081727900f3c2de8d2eba6b77d25c622de0c1e91c54259116bc37bc9f29471d1b387f78aaa4d276910
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SSDEEP
1536:DayE7ffgaxRF71ry9vmt486MypQKURDoq4OZZZLlCIibz:Y3ganFp4NpqRD68wbz
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource ComputerDefaults.exe
Files
-
ComputerDefaults.exe.exe windows x64
00b74ccf8a4820bd574431ae64ecf0c5
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
EventSetInformation
EventRegister
EventWriteTransfer
EventUnregister
kernel32
CreateSemaphoreExW
HeapFree
SetLastError
EnterCriticalSection
ReleaseSemaphore
GetModuleHandleExW
LeaveCriticalSection
InitializeCriticalSectionEx
WaitForThreadpoolTimerCallbacks
WaitForSingleObject
GetCurrentThreadId
ReleaseMutex
FormatMessageW
GetLastError
GetModuleFileNameA
OutputDebugStringW
CloseThreadpoolTimer
InitOnceComplete
AcquireSRWLockExclusive
WaitForSingleObjectEx
OpenSemaphoreW
CloseHandle
SetThreadpoolTimer
ReleaseSRWLockShared
CreateThreadpoolTimer
HeapAlloc
GetProcAddress
CreateMutexExW
AcquireSRWLockShared
DeleteCriticalSection
GetCurrentProcessId
GetProcessHeap
GetModuleHandleW
DebugBreak
IsDebuggerPresent
InitOnceBeginInitialize
ReleaseSRWLockExclusive
msvcrt
??3@YAXPEAX@Z
_purecall
__dllonexit
memcpy_s
?terminate@@YAXXZ
_lock
_commode
_fmode
_wcmdln
__C_specific_handler
_initterm
__setusermatherr
_cexit
_exit
exit
__set_app_type
_unlock
_onexit
__wgetmainargs
_amsg_exit
_XcptFilter
memmove_s
_vsnwprintf
memcmp
memset
shell32
ShellExecuteExW
api-ms-win-core-synch-l1-2-0
Sleep
api-ms-win-core-processthreads-l1-1-0
GetStartupInfoW
GetCurrentProcess
TerminateProcess
api-ms-win-core-rtlsupport-l1-1-0
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
api-ms-win-core-errorhandling-l1-1-0
UnhandledExceptionFilter
SetUnhandledExceptionFilter
api-ms-win-core-profile-l1-1-0
QueryPerformanceCounter
api-ms-win-core-sysinfo-l1-1-0
GetSystemTimeAsFileTime
GetTickCount
Sections
.text Size: 38KB - Virtual size: 38KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 9KB - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 28KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 96B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ