a[.]exe | Triage

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General

Target

a.exe
Size

3.7MB
MD5

42eb9e1b5c1d007cf18816c14876cd5b
SHA1

21f9896a95cbed12de425be75e9b73e5ec8ec52e
SHA256

e0c99a8cbe13c1aea53ed746cddb5d41fafeef3ef36e936a04d8e87fd0567d88
SHA512

3498955d1fb704fc6f011471bcb53eccd70045705ef7d24ec9ba92d24a8ad252bd4c0988cbecef470eb2c9c6cd27f8a8919babfe56dc72cce2633ea89e34c0d4
SSDEEP

12288:jAOvlxiARD+cWgW1QkS1C6cNT5xH3jjimm2IehllS8S2YTZq+thEEMAFv9dR6VgF:UOvlxJ5UDS1Sz3jjxIe0ZAY3h32uQ5Ul

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
a.exe

Files

a.exe
.exe windows:4 windows x86 arch:x86

8ec04cf71a2634d71fa5e79c6bdb03fe

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

CloseHandle
CreateSemaphoreW
DeleteCriticalSection
EnterCriticalSection
ExitProcess
FindClose
FindFirstFileA
FindNextFileA
FreeLibrary
GetCommandLineA
GetCurrentThreadId
GetLastError
GetModuleHandleA
GetProcAddress
GetStartupInfoA
InitializeCriticalSection
InterlockedDecrement
InterlockedExchange
InterlockedIncrement
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryA
MultiByteToWideChar
ReleaseSemaphore
SetLastError
SetUnhandledExceptionFilter
Sleep
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte

msvcrt

_strdup
_stricoll
_write
__getmainargs
__mb_cur_max
__p__environ
__p__fmode
__set_app_type
_cexit
_errno
_fpreset
_fullpath
_iob
_isctype
_onexit
_pctype
_setmode
abort
atexit
atoi
calloc
fopen
fputc
fputs
free
fwrite
getenv
iswctype
localeconv
malloc
mbstowcs
memchr
memcmp
memcpy
memmove
memset
realloc
setlocale
signal
sprintf
strchr
strcmp
strcoll
strerror
strftime
strlen
strtod
strtoul
strxfrm
system
tolower
towlower
towupper
vfprintf
wcscoll
wcsftime
wcslen
wcstombs
wcsxfrm

user32

CreateWindowExA
DefWindowProcA
DispatchMessageA
GetMessageA
LoadCursorA
LoadIconA
MessageBoxA
PostQuitMessage
RegisterClassExA
TranslateMessage

Sections

.text
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 493KB - Virtual size: 492KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 526KB - Virtual size: 525KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

/4
Size: 198KB - Virtual size: 197KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 2KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 24B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

/14
Size: 512B - Virtual size: 216B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/29
Size: 84KB - Virtual size: 83KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/41
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/55
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/67
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/80
Size: 1024B - Virtual size: 686B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/91
Size: 33KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/102
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8ec04cf71a2634d71fa5e79c6bdb03fe

Headers

File Characteristics

Imports

kernel32

msvcrt

user32

Sections

.text Size: 1.4MB - Virtual size: 1.4MB

.data Size: 493KB - Virtual size: 492KB

.rdata Size: 526KB - Virtual size: 525KB

/4 Size: 198KB - Virtual size: 197KB

.bss Size: - Virtual size: 2KB

.idata Size: 3KB - Virtual size: 2KB

.CRT Size: 512B - Virtual size: 24B

.tls Size: 512B - Virtual size: 32B

/14 Size: 512B - Virtual size: 216B

/29 Size: 84KB - Virtual size: 83KB

/41 Size: 5KB - Virtual size: 4KB

/55 Size: 8KB - Virtual size: 7KB

/67 Size: 512B - Virtual size: 56B

/80 Size: 1024B - Virtual size: 686B

/91 Size: 33KB - Virtual size: 32KB

/102 Size: 3KB - Virtual size: 3KB

.text
Size: 1.4MB - Virtual size: 1.4MB

.data
Size: 493KB - Virtual size: 492KB

.rdata
Size: 526KB - Virtual size: 525KB

/4
Size: 198KB - Virtual size: 197KB

.bss
Size: - Virtual size: 2KB

.idata
Size: 3KB - Virtual size: 2KB

.CRT
Size: 512B - Virtual size: 24B

.tls
Size: 512B - Virtual size: 32B

/14
Size: 512B - Virtual size: 216B

/29
Size: 84KB - Virtual size: 83KB

/41
Size: 5KB - Virtual size: 4KB

/55
Size: 8KB - Virtual size: 7KB

/67
Size: 512B - Virtual size: 56B

/80
Size: 1024B - Virtual size: 686B

/91
Size: 33KB - Virtual size: 32KB

/102
Size: 3KB - Virtual size: 3KB