a[.]exe | Triage

Sharing

Copy URL Twitter E-mail

General

Target

a.exe
Size

3.7MB
MD5

d69a4d1fb8113c6eff4573de9b4f5d5f
SHA1

eb2063b15abacdbbb72b681247356a30a659c955
SHA256

6d8745820591a27f734f079d2232c9c2a5030acf9fc00763719f9340e5baf113
SHA512

0e290a4b2427f3fb0d9362fb5def8d638201c2ed5351e2229176f3644d20db95c8e03f69d31942f41b468311c9694b5e2c7ad13e2665ac3b73d272b4a96c4660
SSDEEP

12288:PAOvlxlwRD+cWgW1QkS1C6kNThxH3jjimm2IehllS8S2YTZq+dhEnMLFv9dR6Vga:IOvlxS5UDS1Kr3jjxIe0JrN3h32uQ520

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