Static task
static1
Behavioral task
behavioral1
Sample
s1.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
s1.dll
Resource
win10v2004-20240412-en
General
-
Target
s1.dll
-
Size
171KB
-
MD5
db95f8b5d9f2ca788b2b5b161ccac153
-
SHA1
3338d01323f8a80cadbec94346d6462a185c00e0
-
SHA256
fdda4098bf82c12348b1faae557d9f7a54397d4ca29c0c71d0aa504f34746068
-
SHA512
2bf031760c83d0eae898589b491b581cd26cc73843ee1faa1209c27656c10a8e1e643616128b3f500da44f1b4f6d65b8db3909a8240373654da9c88cb283c468
-
SSDEEP
3072:MZp4WURujKAVo6tjc4O8kSmQA/nMvIGidZYkX0oPqDb1Y8qduNSyqokZ+Xs5X:M34WUR1h6tY58kSmpPMvIGcZYkZyDb14
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource s1.dll
Files
-
s1.dll.dll windows:6 windows x64 arch:x64
b92ef2320713f169625dad83d4c8788f
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
Imports
kernel32
Process32First
Thread32First
CreateFileA
GetTickCount
MapViewOfFile
CreateFileMappingA
GetSystemTimeAsFileTime
QueryPerformanceCounter
TerminateProcess
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
VirtualQuery
GetSystemInfo
VirtualAlloc
VirtualFree
OpenThread
SetThreadContext
FlushInstructionCache
GetCurrentProcessId
GetThreadContext
HeapDestroy
HeapAlloc
HeapReAlloc
Sleep
CreateToolhelp32Snapshot
ResumeThread
SuspendThread
GetCurrentThreadId
Thread32Next
GetCurrentProcess
HeapFree
VirtualProtect
HeapCreate
WideCharToMultiByte
MultiByteToWideChar
GetFileInformationByHandleEx
GetLastError
CloseHandle
AreFileApisANSI
SetFileInformationByHandle
GetFileAttributesExW
FindNextFileW
FindFirstFileExW
FindFirstFileW
FindClose
CreateFileW
CreateDirectoryW
GetCurrentDirectoryW
GetLocaleInfoEx
FormatMessageA
LocalFree
InitializeSListHead
msvcp140
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?_Gninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
?_Xinvalid_argument@std@@YAXPEBD@Z
?_Xlength_error@std@@YAXPEBD@Z
?_Xout_of_range@std@@YAXPEBD@Z
?_Syserror_map@std@@YAPEBDH@Z
?_Winerror_map@std@@YAHH@Z
??Bid@locale@std@@QEAA_KXZ
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?eback@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?pptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?egptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z
?setg@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?epptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?_Gndec@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?tellg@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA?AV?$fpos@U_Mbstatet@@@2@XZ
?_Gnavail@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBA_JXZ
?pbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?_Pnavail@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBA_JXZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAPEAD0PEAH001@Z
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?clear@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?get@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAHXZ
?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEAD_J@Z
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
?_Fiopen@std@@YAPEAU_iobuf@@PEB_WHH@Z
?seekg@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@_JH@Z
vcruntime140
_CxxThrowException
__std_exception_destroy
__std_exception_copy
memcmp
memchr
memcpy
memmove
memset
__C_specific_handler
__std_type_info_destroy_list
vcruntime140_1
__CxxFrameHandler4
api-ms-win-crt-runtime-l1-1-0
_initialize_narrow_environment
_configure_narrow_argv
_execute_onexit_table
_crt_atexit
_initialize_onexit_table
_cexit
terminate
_initterm
_initterm_e
_invalid_parameter_noinfo_noreturn
_register_onexit_function
_errno
_seh_filter_dll
api-ms-win-crt-string-l1-1-0
_stricmp
strcpy_s
tolower
api-ms-win-crt-heap-l1-1-0
malloc
_callnewh
free
api-ms-win-crt-convert-l1-1-0
strtol
api-ms-win-crt-stdio-l1-1-0
_fseeki64
fsetpos
fread
fputc
fgetpos
fgetc
fflush
fclose
_get_stream_buffer_pointers
setvbuf
ungetc
fwrite
__stdio_common_vsprintf_s
api-ms-win-crt-filesystem-l1-1-0
_unlock_file
_lock_file
api-ms-win-crt-math-l1-1-0
ceilf
api-ms-win-crt-locale-l1-1-0
___lc_codepage_func
Sections
.text Size: 32KB - Virtual size: 31KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.ember Size: 97KB - Virtual size: 97KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 31KB - Virtual size: 31KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 160KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 292B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ