Static task
static1
Behavioral task
behavioral1
Sample
LexofficeunbezahlenrechungPDFpatched.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
LexofficeunbezahlenrechungPDFpatched.exe
Resource
win10v2004-20230220-en
General
-
Target
LexofficeunbezahlenrechungPDFpatched.exe
-
Size
5.4MB
-
MD5
b91bbe1a3129258b7865978367c5d205
-
SHA1
46f697d285f8e4d8f443a717c8d1ff8e7c19301f
-
SHA256
71142a1cf68c138d051792a1e212c9f8da23347c8985337b2568fcac4796a810
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SHA512
278be7c4921c72dfe2a0c60017b26f648fa1a3e7a983d445177821e8f11bab6de5ac467bc858d16ecb75557c45a21944bf1a31fde78a68265df3b34a3e52959f
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SSDEEP
98304:yruNtCPOceGN1CM2SJpxQ1bSwU0iKrsHfU5XhgDoqKoS/hgDoqKoS:yruJ64AJpxQE04HfU5RS4S
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource LexofficeunbezahlenrechungPDFpatched.exe
Files
-
LexofficeunbezahlenrechungPDFpatched.exe.exe windows x64
c707a7cb1899d02610a14ea849f03857
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
WinExec
CheckRemoteDebuggerPresent
GetFileAttributesA
GetModuleHandleW
GetStartupInfoW
IsDebuggerPresent
InitializeSListHead
GetSystemTimeAsFileTime
LocalFree
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetProcessHeap
SetFileAttributesA
FormatMessageW
HeapAlloc
Sleep
GetCurrentProcess
GetCurrentThreadId
HeapFree
user32
EndDialog
GetMessageW
DefWindowProcW
DestroyWindow
CreateWindowExW
RegisterClassExW
LoadAcceleratorsW
LoadStringW
ShowWindow
DispatchMessageW
TranslateAcceleratorW
TranslateMessage
LoadIconW
LoadCursorW
DialogBoxParamW
EndPaint
BeginPaint
UpdateWindow
PostQuitMessage
advapi32
RegOpenKeyExA
RegCloseKey
RegCreateKeyA
RegSetValueExA
msvcp140
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?uncaught_exception@std@@YA_NXZ
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?_Xlength_error@std@@YAXPEBD@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@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?$char_traits@D@std@@@std@@IEAAXXZ
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?clear@?$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_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
??1?$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?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?always_noconv@codecvt_base@std@@QEBA_NXZ
??Bid@locale@std@@QEAA_KXZ
iphlpapi
IpReleaseAddress
GetInterfaceInfo
IpRenewAddress
vcruntime140_1
__CxxFrameHandler4
vcruntime140
__current_exception_context
__current_exception
_CxxThrowException
__C_specific_handler
__std_terminate
__std_exception_copy
__std_exception_destroy
memcpy
memset
memmove
api-ms-win-crt-stdio-l1-1-0
fgetpos
fwrite
fsetpos
setvbuf
ungetc
fgetc
_get_stream_buffer_pointers
fclose
fflush
__p__commode
fputc
_set_fmode
fread
_fseeki64
api-ms-win-crt-heap-l1-1-0
free
_set_new_mode
_callnewh
malloc
api-ms-win-crt-filesystem-l1-1-0
_unlock_file
remove
_lock_file
api-ms-win-crt-runtime-l1-1-0
_c_exit
_register_thread_local_exe_atexit_callback
_initterm_e
_get_wide_winmain_command_line
_initialize_wide_environment
_cexit
_register_onexit_function
_initterm
_crt_atexit
_configure_wide_argv
terminate
exit
_set_app_type
_seh_filter_exe
_invalid_parameter_noinfo_noreturn
_initialize_onexit_table
_exit
api-ms-win-crt-math-l1-1-0
__setusermatherr
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
Sections
.text Size: 1.1MB - Virtual size: 1.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 12KB - Virtual size: 12KB
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: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 4.3MB - Virtual size: 4.3MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 148B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ