a[.]exe | Triage

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General

Target

a.exe
Size

76KB
MD5

854fab7176575ee317842701916d325e
SHA1

2f1cf3d0f1d31fe344bc1fca9570c89b2c156430
SHA256

91681f64db4149b7b17e47f59b4939eb8190c80ac1b4c90cfcd51ad52d721632
SHA512

4661a6acb68923c984533539e76918766ac83826b615369d4601669b3479597dea0fbb2fe541ba40c0896c37d15e63432272e99f75f43cb0031e3930148a464d
SSDEEP

768:4xpm7W9SUVsTCM6aNEIZBZZweR1zhVy0UIab4F9frLE3McWy3V/2V2PaW2pgs7mw:moqQNtiR4F9frLiMcWC/exmvzXoREgN

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

843bba6662f22988512e06cf2794cf85

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

CreateThread
DeleteCriticalSection
EnterCriticalSection
FreeLibrary
GetLastError
GetModuleHandleA
GetModuleHandleW
GetProcAddress
GetStartupInfoA
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryA
MultiByteToWideChar
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte

msvcrt

__getmainargs
__initenv
__mb_cur_max
__p__acmdln
__p__commode
__p__fmode
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_errno
_initterm
_iob
_lock
_onexit
_unlock
abort
atoi
calloc
exit
fprintf
fputc
free
fwrite
getc
islower
isspace
isupper
isxdigit
localeconv
malloc
memcpy
memset
realloc
setlocale
signal
strchr
strerror
strlen
strncmp
strtol
strtoul
system
tolower
ungetc
vfprintf
wcslen

Sections

.text
Size: 58KB - Virtual size: 57KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 132B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.eh_fram
Size: 8KB - Virtual size: 7KB

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: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 48B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 8B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

843bba6662f22988512e06cf2794cf85

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

Sections

.text Size: 58KB - Virtual size: 57KB

.data Size: 512B - Virtual size: 132B

.rdata Size: 4KB - Virtual size: 3KB

.eh_fram Size: 8KB - Virtual size: 7KB

.bss Size: - Virtual size: 2KB

.idata Size: 2KB - Virtual size: 1KB

.CRT Size: 512B - Virtual size: 48B

.tls Size: 512B - Virtual size: 8B

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 58KB - Virtual size: 57KB

.data
Size: 512B - Virtual size: 132B

.rdata
Size: 4KB - Virtual size: 3KB

.eh_fram
Size: 8KB - Virtual size: 7KB

.bss
Size: - Virtual size: 2KB

.idata
Size: 2KB - Virtual size: 1KB

.CRT
Size: 512B - Virtual size: 48B

.tls
Size: 512B - Virtual size: 8B

.reloc
Size: 2KB - Virtual size: 1KB