Static task
static1
Behavioral task
behavioral1
Sample
OptionalFeatures.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
OptionalFeatures.exe
Resource
win10v2004-20230831-en
General
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Target
OptionalFeatures.exe
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Size
95KB
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MD5
c8f0d6e8de5f07f449ab5e82aa902c43
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SHA1
984bc58e37b7f1bd1058daa0a8e19b844cb23b34
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SHA256
a1bd84bc980ae7d44ba7570db7a3682b2c69672a8477fcc4956d5ca110406ae3
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SHA512
686d73f5d8baec18dec27894cab3bc58724699cd6944fb3c24c741f70ae99ce70456d4563a3d20bcc8badb9d8ea45a1bbaa04cb1a9d4e64d90d359957c36b8fb
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SSDEEP
1536:DAqbEaznWRJ0In22KnM5suF52KUVDzaaKtCMPTnaSsWhhIrvDI3bRf:DZbEaznWfH22ZsuX2xKwMPTnaSrIrvDG
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource OptionalFeatures.exe
Files
-
OptionalFeatures.exe.exe windows x86
cbe5375169eb8ca5f4bfa4ce0107aad4
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
Imports
kernel32
HeapSetInformation
GetUserDefaultUILanguage
GetLocaleInfoW
GetLastError
CompareStringOrdinal
UnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
GetSystemTimeAsFileTime
GetCurrentProcessId
GetCurrentThreadId
GetTickCount
QueryPerformanceCounter
GetModuleHandleA
SetUnhandledExceptionFilter
GetStartupInfoW
InterlockedCompareExchange
Sleep
InterlockedExchange
user32
DestroyWindow
GetClassNameW
GetWindow
DestroyIcon
SendMessageW
SetWindowLongW
GetWindowLongW
DefWindowProcW
CreateWindowExW
RegisterClassW
LoadCursorW
msvcrt
_cexit
_exit
_XcptFilter
exit
_wcmdln
_initterm
__setusermatherr
__p__commode
__p__fmode
__set_app_type
?terminate@@YAXXZ
_except_handler4_common
_controlfp
_amsg_exit
__wgetmainargs
shlwapi
ord10
appwiz.cpl
RunOCMW
gdi32
GetStockObject
Sections
.text Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 928B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 87KB - Virtual size: 86KB
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