Static task
static1
Behavioral task
behavioral1
Sample
attrib.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
attrib.exe
Resource
win10v2004-20230220-en
General
-
Target
attrib.exe
-
Size
19KB
-
MD5
2eb0351fde69a4a03b95e89317100117
-
SHA1
a09569469a572abf2791db385659e38dcb10d255
-
SHA256
a8b8b1c1ee7a7c9f9a8d90bd37dd8f19850b0dcee15b028c45328d3957a20576
-
SHA512
8ae311404843eb74d481e011402e51850daa58437deab604c82d1a48ccec96e841b32505e8cb6967719844934168c235b5ccbd9ac3512bbce81298e4248ae1c9
-
SSDEEP
384:drBEzYsthBn9ty1+AQsjZiHGZ8EIOofwzW7tW9NK:NBEz7fBneoA9Pofw0u
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource attrib.exe
Files
-
attrib.exe.exe windows x86
f0a82feba5b0ef2be614622ae3e32c1c
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
ulib
?DisplayMessage@PROGRAM@@UBAEKW4MESSAGE_TYPE@@PADZZ
??1PROGRAM@@UAE@XZ
?Initialize@CLASS_DESCRIPTOR@@QAEEPBD@Z
??0CLASS_DESCRIPTOR@@QAE@XZ
?SetAttributes@FSNODE@@QAEEKPAK@Z
?IsDrive@PATH@@QBEEXZ
??1PATH@@UAE@XZ
?Initialize@PATH@@QAEEPBGE@Z
?Initialize@PATH@@QAEEPBVWSTRING@@E@Z
?Initialize@PATH@@QAEEPBV1@E@Z
??0PATH@@QAE@XZ
?Display@MESSAGE@@QAAEPBDZZ
Get_Standard_Output_Stream
?DebugDump@OBJECT@@UBEXE@Z
?SetFileName@FSN_FILTER@@QAEEPBD@Z
?DisplayMessage@PROGRAM@@UBEEKW4MESSAGE_TYPE@@@Z
?Initialize@FSN_FILTER@@QAEEXZ
??1FSN_FILTER@@UAE@XZ
??0FSN_FILTER@@QAE@XZ
?Strcat@WSTRING@@QAEEPBV1@@Z
?QueryString@WSTRING@@QBEPAV1@KK@Z
?Initialize@WSTRING@@QAEEPBV1@KK@Z
?Initialize@WSTRING@@QAEEPBGK@Z
?Initialize@WSTRING@@QAEEPBDK@Z
?WorkOnReparsePoint@FSNODE@@QAEEE@Z
?Strchr@WSTRING@@QBEKGK@Z
?IsValueSet@ARGUMENT@@QAEEXZ
?QueryDirectory@SYSTEM@@SGPAVFSN_DIRECTORY@@PBVPATH@@E@Z
??0PATH_ARGUMENT@@QAE@XZ
?Fatal@PROGRAM@@UBAXKKPADZZ
?GetStandardInput@PROGRAM@@UAEPAVSTREAM@@XZ
?Fatal@PROGRAM@@UBEXXZ
?GetStandardOutput@PROGRAM@@UAEPAVSTREAM@@XZ
?GetStandardError@PROGRAM@@UAEPAVSTREAM@@XZ
?Usage@PROGRAM@@UBEXXZ
?ValidateVersion@PROGRAM@@UBEXKK@Z
??0PROGRAM@@IAE@XZ
?QueryFsnodeArray@FSN_DIRECTORY@@QBEPAVARRAY@@PAVFSN_FILTER@@@Z
??0STRING_ARGUMENT@@QAE@XZ
??1STRING_ARGUMENT@@UAE@XZ
?Initialize@STRING_ARGUMENT@@QAEEPAD@Z
??0ARGUMENT_LEXEMIZER@@QAE@XZ
??1ARGUMENT_LEXEMIZER@@UAE@XZ
?Initialize@ARGUMENT_LEXEMIZER@@QAEEPAVARRAY@@@Z
?DoParsing@ARGUMENT_LEXEMIZER@@QAEEPAVARRAY@@@Z
?PutSeparators@ARGUMENT_LEXEMIZER@@QAEXPBD@Z
?PutSwitches@ARGUMENT_LEXEMIZER@@QAEXPBD@Z
?PrepareToParse@ARGUMENT_LEXEMIZER@@QAEEPAVWSTRING@@@Z
?SetCaseSensitive@ARGUMENT_LEXEMIZER@@QAEXE@Z
??1OBJECT@@UAE@XZ
?SetFileName@FSN_FILTER@@QAEEPBVWSTRING@@@Z
?Compare@OBJECT@@UBEJPBV1@@Z
??1PATH_ARGUMENT@@UAE@XZ
?Initialize@PATH_ARGUMENT@@QAEEPADE@Z
??0STREAM_MESSAGE@@QAE@XZ
??1STREAM_MESSAGE@@UAE@XZ
?Initialize@STREAM_MESSAGE@@QAEEPAVSTREAM@@00@Z
??0FLAG_ARGUMENT@@QAE@XZ
?Initialize@FLAG_ARGUMENT@@QAEEPAD@Z
??0ARRAY@@QAE@XZ
??1ARRAY@@UAE@XZ
?Initialize@ARRAY@@QAEEKK@Z
?DeleteAllMembers@ARRAY@@UAEEXZ
?Put@ARRAY@@UAEEPAVOBJECT@@@Z
Get_Standard_Input_Stream
??0DSTRING@@QAE@XZ
?SetAttributes@FSN_FILTER@@QAEEKKK@Z
??1DSTRING@@UAE@XZ
api-ms-win-core-heap-l1-1-0
HeapSetInformation
ntdll
RtlAllocateHeap
RtlFreeHeap
msvcrt
_except_handler4_common
_controlfp
?terminate@@YAXXZ
_initterm
__setusermatherr
__p__fmode
_cexit
_exit
exit
__set_app_type
__getmainargs
_amsg_exit
__p__commode
_XcptFilter
swprintf_s
api-ms-win-core-synch-l1-2-0
Sleep
api-ms-win-core-errorhandling-l1-1-0
SetUnhandledExceptionFilter
UnhandledExceptionFilter
api-ms-win-core-libraryloader-l1-2-0
GetModuleHandleW
api-ms-win-core-profile-l1-1-0
QueryPerformanceCounter
api-ms-win-core-processthreads-l1-1-0
TerminateProcess
GetCurrentThreadId
GetCurrentProcessId
GetCurrentProcess
api-ms-win-core-sysinfo-l1-1-0
GetTickCount
GetSystemTimeAsFileTime
Sections
.text Size: 10KB - Virtual size: 10KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 992B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 980B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ