Update[.]exe | Triage

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General

Target

Update.exe
Size

18KB
MD5

f8d69cae8e8c3ead1d39cbd3682a7b5a
SHA1

9dbacbcf9834d0cbf35043bdfb0872ff7b00c1a7
SHA256

66ed0de08ae8ac234622b3fc58f006939f123272d856cdabc7ca4bfad6c0aed6
SHA512

1461d507a4b8e24259c78bf5d27e649524f5114c49c9f73cf15fd6847d1f932ae542f149034f78c0043c8afc5a7a9767bbdb6d0b87fe71fe512ccf49b505b689
SSDEEP

192:ZlghLUBxu9Zsbzrex3kBAskttChaAws681k55Xf4cvuWcSoW:ZlSgB0ZgKYQtlpuxVW

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Update.exe

Files

Update.exe
.exe windows:6 windows x64 arch:x64

0efdda2d31c844ed640ca8ca81440cf9

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

PDB Paths

C:\Users\IDA\source\repos\TestShell\x64\Release\TestShell.pdb

Imports

kernel32

CopyFileA
RtlVirtualUnwind
UnhandledExceptionFilter
VirtualAlloc
VirtualFree
RtlLookupFunctionEntry
GetConsoleWindow
GetModuleFileNameA
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlCaptureContext

user32

ShowWindow

advapi32

RegSetValueExA
RegOpenKeyExA
RegCloseKey

shell32

SHGetFolderPathA

msvcp140

??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?good@ios_base@std@@QEBA_NXZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?uncaught_exception@std@@YA_NXZ
?_Xlength_error@std@@YAXPEBD@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ

wininet

InternetCloseHandle
InternetOpenUrlA
InternetOpenA
InternetReadFile

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__std_terminate
__std_exception_copy
memset
__std_exception_destroy
memcpy
__current_exception_context
__current_exception
_CxxThrowException
memmove
__C_specific_handler

api-ms-win-crt-stdio-l1-1-0

__p__commode
_set_fmode
__stdio_common_vsprintf

api-ms-win-crt-runtime-l1-1-0

_register_onexit_function
_register_thread_local_exe_atexit_callback
_initterm
_crt_atexit
_get_narrow_winmain_command_line
_initialize_narrow_environment
_configure_narrow_argv
_initialize_onexit_table
_set_app_type
_seh_filter_exe
_c_exit
_cexit
_exit
exit
_initterm_e
terminate
_invalid_parameter_noinfo_noreturn

api-ms-win-crt-heap-l1-1-0

_set_new_mode
_callnewh
malloc
free

api-ms-win-crt-math-l1-1-0

__setusermatherr

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

Sections

.text
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1024B - Virtual size: 708B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 488B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 88B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

0efdda2d31c844ed640ca8ca81440cf9

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

advapi32

shell32

msvcp140

wininet

vcruntime140_1

vcruntime140

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-locale-l1-1-0

Sections

.text Size: 7KB - Virtual size: 6KB

.rdata Size: 7KB - Virtual size: 7KB

.data Size: 512B - Virtual size: 1KB

.pdata Size: 1024B - Virtual size: 708B

.rsrc Size: 512B - Virtual size: 488B

.reloc Size: 512B - Virtual size: 88B

.text
Size: 7KB - Virtual size: 6KB

.rdata
Size: 7KB - Virtual size: 7KB

.data
Size: 512B - Virtual size: 1KB

.pdata
Size: 1024B - Virtual size: 708B

.rsrc
Size: 512B - Virtual size: 488B

.reloc
Size: 512B - Virtual size: 88B