Static task
static1
Behavioral task
behavioral1
Sample
ComputerDefaults.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
ComputerDefaults.exe
Resource
win10v2004-20231020-en
General
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Target
ComputerDefaults.exe
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Size
68KB
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MD5
175a95425de8269c867b6c2c46a9785c
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SHA1
a5e98f10977633f21a77ae430a1b2d24eb7cfe87
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SHA256
62f175fb6c679ab74d4e8743de5de014ab2181e4ebdf0008ec4b6c2c5f22e729
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SHA512
10276706a953bd5a8f982b53db2969d9c034a79e66d835434bc6181900a6e0a0ee2fa80ca8108ab551d51adb6d7d26f1593d6bc86731f6d7c60f7c6c31c474a0
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SSDEEP
1536:HaxR0J/hnOsE7eUiyZURDoq4OZZZLlCIibz:ThY7FPWRD68wbz
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource ComputerDefaults.exe
Files
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ComputerDefaults.exe.exe windows:10 windows x64
f80fc6ef610cc28e0f47123bdb00c150
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
kernel32
GetModuleFileNameA
CreateSemaphoreExW
HeapFree
SetLastError
ReleaseSemaphore
GetModuleHandleExW
WaitForSingleObject
GetCurrentThreadId
ReleaseMutex
FormatMessageW
GetLastError
OutputDebugStringW
WaitForSingleObjectEx
OpenSemaphoreW
CloseHandle
HeapAlloc
GetProcAddress
CreateMutexExW
GetCurrentProcessId
GetProcessHeap
GetModuleHandleW
DebugBreak
IsDebuggerPresent
msvcrt
?terminate@@YAXXZ
_onexit
__setusermatherr
_cexit
__dllonexit
_unlock
_initterm
_wcmdln
__C_specific_handler
__set_app_type
__wgetmainargs
_amsg_exit
_XcptFilter
_lock
_fmode
_commode
memcpy_s
exit
_vsnwprintf
_exit
memset
shell32
ShellExecuteExW
api-ms-win-core-synch-l1-2-0
Sleep
api-ms-win-core-processthreads-l1-1-0
TerminateProcess
GetStartupInfoW
GetCurrentProcess
api-ms-win-core-rtlsupport-l1-1-0
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
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
GetTickCount
GetSystemTimeAsFileTime
Sections
.text Size: 16KB - Virtual size: 15KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 8KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 4KB - Virtual size: 864B
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: 4KB - Virtual size: 68B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ