postinstall[.]exe

Sharing

Copy URL

Twitter E-mail

General

Target

postinstall.exe
Size

78KB
MD5

6a51174161805d1ab3b2266491977262
SHA1

7bfa58d9d08860d10b785aa29c15b771acea97f2
SHA256

d8f1a8ac9b5e70f9c45bdfaadbebf58531d1b9a3377e05d53a03f34c15503170
SHA512

2a46dc3253116f6c29e0d1fac396cdad7c9830b5aaa8e03b4fc818731b8a4b477f7a9da7a69d001c8ae86af45cc3cca8c5566fca32b8ece6544afabd839d650d
SSDEEP

768:dFrUDyws7COidwuGPthR2IJwCfWnq3+fZAMZSme4QJJ9WMrbtTq58VO/8Nf+4PfT:dxUD5s7C9dqthlD9uOm48i6W

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
postinstall.exe

Files

postinstall.exe
.exe windows:6 windows x64 arch:x64

183b4d24b54db7ed7e2371f93e4ed3a8

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\010100\source\repos\postinstall\x64\Release\postinstall.pdb

Imports

kernel32

SetConsoleTitleA
Sleep
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
RtlCaptureContext
GetModuleHandleW

msvcp140

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

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__current_exception_context
__current_exception
_CxxThrowException
__C_specific_handler
memcpy
__std_terminate
__std_exception_destroy
memset
__std_exception_copy

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

_register_onexit_function
_crt_atexit
_initialize_onexit_table
_register_thread_local_exe_atexit_callback
_get_initial_narrow_environment
_c_exit
_cexit
_exit
exit
_initterm_e
_initterm
_initialize_narrow_environment
_configure_narrow_argv
__p___argv
_set_app_type
_seh_filter_exe
__p___argc
terminate
_invalid_parameter_noinfo_noreturn
system

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

free
malloc
_callnewh
_set_new_mode

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

__setusermatherr

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

__p__commode
_set_fmode

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

_configthreadlocale

Sections

.text
Size: 23KB - Virtual size: 23KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 51KB - Virtual size: 51KB

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: 612B

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: 96B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

183b4d24b54db7ed7e2371f93e4ed3a8

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

msvcp140

vcruntime140_1

vcruntime140

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-stdio-l1-1-0

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

Sections

.text Size: 23KB - Virtual size: 23KB

.rdata Size: 51KB - Virtual size: 51KB

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

.pdata Size: 1024B - Virtual size: 612B

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 512B - Virtual size: 96B

.text
Size: 23KB - Virtual size: 23KB

.rdata
Size: 51KB - Virtual size: 51KB

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

.pdata
Size: 1024B - Virtual size: 612B

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 512B - Virtual size: 96B