Static task
static1
Behavioral task
behavioral1
Sample
WindowsService.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
WindowsService.exe
Resource
win10-20240404-en
General
-
Target
WindowsService.exe
-
Size
65KB
-
MD5
9ceadcfe7e7535b2088f1fcf3c4b30c7
-
SHA1
b5077627fb7b66d6a96f5db213e80c937171d2f9
-
SHA256
5af9e89a7bfcfcae1c75de6acb7194b667d13776b61e79ea8aeab95f0af76bc7
-
SHA512
1e36b9c493ed164784df1cdb198bda6baf2b8e6a53346ae84938ded60e9e627bad1c99a43756a84056c6760178e27643a8437d30db9c5bdc61afffce492fafda
-
SSDEEP
1536:UBJ3wzYimb+/c9fEhDQZlDyL7XjxTfqi:DzYimKcBDyHjh
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource WindowsService.exe
Files
-
WindowsService.exe.exe windows:6 windows x64 arch:x64
e702dbeb195cf6d11b1022ec44b573b8
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
kernel32
SizeofResource
WriteProcessMemory
HeapFree
TerminateProcess
Wow64SetThreadContext
Wow64GetThreadContext
lstrlenA
ResumeThread
OpenProcess
Sleep
LockResource
CloseHandle
LoadResource
FindResourceW
HeapAlloc
GetThreadContext
VirtualAllocEx
ReadProcessMemory
GetProcessHeap
GetConsoleWindow
CreateProcessA
SetThreadContext
IsWow64Process
RtlLookupFunctionEntry
GetModuleHandleW
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
RtlCaptureContext
user32
ShowWindow
msvcp140
?sbumpc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?sgetc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?snextc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHXZ
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?_Ipfx@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA_N_N@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?xsgetn@?$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?$char_traits@D@std@@@std@@QEAAXH_N@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@H@Z
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??5?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@AEAH@Z
?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEAD_J@Z
?seekg@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@V?$fpos@U_Mbstatet@@@2@@Z
?seekg@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@_JH@Z
?tellg@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA?AV?$fpos@U_Mbstatet@@@2@XZ
?good@ios_base@std@@QEBA_NXZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
??Bid@locale@std@@QEAA_KXZ
?_Xlength_error@std@@YAXPEBD@Z
?_Random_device@std@@YAIXZ
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
wininet
InternetReadFile
InternetCheckConnectionA
InternetOpenW
InternetOpenUrlA
vcruntime140_1
__CxxFrameHandler4
vcruntime140
memcmp
memcpy
memset
__current_exception_context
__current_exception
__std_exception_destroy
__std_exception_copy
__std_terminate
__C_specific_handler
_CxxThrowException
memmove
api-ms-win-crt-stdio-l1-1-0
fputc
__p__commode
_get_stream_buffer_pointers
_fseeki64
fgetc
fopen
fclose
fflush
fsetpos
ungetc
setvbuf
fgetpos
fwrite
fread
_set_fmode
api-ms-win-crt-filesystem-l1-1-0
_lock_file
remove
rename
_unlock_file
api-ms-win-crt-runtime-l1-1-0
_exit
exit
_initterm_e
__p___argc
__p___argv
_set_app_type
_c_exit
_get_initial_narrow_environment
_initialize_narrow_environment
_seh_filter_exe
_initterm
_initialize_onexit_table
_register_onexit_function
_crt_atexit
terminate
_configure_narrow_argv
_cexit
_invalid_parameter_noinfo_noreturn
_register_thread_local_exe_atexit_callback
api-ms-win-crt-environment-l1-1-0
getenv
api-ms-win-crt-utility-l1-1-0
srand
rand
api-ms-win-crt-heap-l1-1-0
_callnewh
_set_new_mode
malloc
free
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
Sections
.text Size: 31KB - Virtual size: 30KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 15KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - 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: 15KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 152B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ