calc[.]exe | Triage

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General

Target

calc.exe
Size

31KB
MD5

4673c27fdcab6166578a1863060d83ff
SHA1

4a2446ee9651d90ac6c5613bddf416df197f6401
SHA256

b093fd472121cda0bbb1e0079479de36325f1b2faa7fda54c4f757565572fe1d
SHA512

d570ba4428bc5085b7cadd56a25233cab810dceb17d8873d4b458a4e7fa565201b45525f252489b4571ecec24333ba216907fc849992a74572ade03e61f00f3e
SSDEEP

384:ju/51mFSDUiIMbPWUrytejUSFqpy7LJcGWSAYWSiiiiiiiiiiiiiiiiiiiiiiiik:juiQI0OUfjUUevb

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
calc.exe

Files

calc.exe
.exe windows:10 windows x64 arch:x64

3843c3d4a5a7d1045abe9a4bfcfaab28

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

calc.pdb

Imports

shell32

ShellExecuteW

kernel32

GetLastError
SetEvent
CreateEventExW
WaitForSingleObject
FindPackagesByPackageFamily
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
CloseHandle
GetTickCount
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
RaiseException
GetSystemTimeAsFileTime

msvcrt

__CxxFrameHandler3
?terminate@@YAXXZ
_exit
malloc
free
_commode
_fmode
_wcmdln
__C_specific_handler
_initterm
exit
__set_app_type
_purecall
_amsg_exit
_callnewh
_cexit
_XcptFilter
__wgetmainargs
__setusermatherr

advapi32

EventRegister
EventSetInformation
EventWriteTransfer

api-ms-win-core-winrt-l1-1-0

RoInitialize
RoActivateInstance

api-ms-win-core-winrt-string-l1-1-0

WindowsDeleteString
WindowsCreateStringReference
WindowsCreateString

api-ms-win-core-winrt-error-l1-1-1

RoGetMatchingRestrictedErrorInfo
SetRestrictedErrorInfo

api-ms-win-core-synch-l1-2-0

Sleep

api-ms-win-core-processthreads-l1-1-2

GetStartupInfoW

api-ms-win-core-libraryloader-l1-2-0

GetModuleHandleW

Sections

.text
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5KB - Virtual size: 5KB

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: 512B - Virtual size: 372B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 18KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 72B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

3843c3d4a5a7d1045abe9a4bfcfaab28

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

shell32

kernel32

msvcrt

advapi32

api-ms-win-core-winrt-l1-1-0

api-ms-win-core-winrt-string-l1-1-0

api-ms-win-core-winrt-error-l1-1-1

api-ms-win-core-synch-l1-2-0

api-ms-win-core-processthreads-l1-1-2

api-ms-win-core-libraryloader-l1-2-0

Sections

.text Size: 5KB - Virtual size: 5KB

.rdata Size: 5KB - Virtual size: 5KB

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

.pdata Size: 512B - Virtual size: 372B

.rsrc Size: 18KB - Virtual size: 17KB

.reloc Size: 512B - Virtual size: 72B

.text
Size: 5KB - Virtual size: 5KB

.rdata
Size: 5KB - Virtual size: 5KB

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

.pdata
Size: 512B - Virtual size: 372B

.rsrc
Size: 18KB - Virtual size: 17KB

.reloc
Size: 512B - Virtual size: 72B