expr[.]exe | Triage

Sharing

General

Target

expr.exe
Size

93KB
MD5

fb770645aea3c145804671e1614f7122
SHA1

fdb0b2ce5c8dc38ac514b4929cb2c8e9c3baa60f
SHA256

54f84388c8bc1fbe69a29a6935fa027015cfd07256f600e4c01470a2d5eb32c7
SHA512

3685adddf8ba66170584100eae139e5e40645b321fad700915d46d32950607b4ee40f0895a0e615c0f3ab9f737989ee9e7f55c5cc21f4688ea73dc287f9d3b5b
SSDEEP

1536:e80IIr/ZPcQ+I0NelwhM63jzar87fTU3WzhOxbFhrAnvWbqEW7vpFCWwkEbOR:e8dah6I0NeJ63jqUfTJzhwkvWuEEpFU9

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
expr.exe

Files

expr.exe
.exe windows:4 windows x86 arch:x86

78492c3903d3d1f316c110da323a2d45

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Imports

msys-1.0

__assert
__errno
__main
__mb_cur_max
_ctype_
abort
atexit
calloc
cygwin_conv_to_posix_path
cygwin_internal
dll_crt0__FP11per_process
exit
fclose
fflush
fputs
free
getenv
malloc
memcpy
memmove
memset
putc
puts
realloc
setlocale
strchr
strcmp
strcoll
strcspn
strerror
strlen
strncmp
strncpy
vsnprintf

msys-intl-8

__printf__
libintl_bindtextdomain
libintl_fprintf
libintl_gettext
libintl_textdomain
libintl_vfprintf

kernel32

GetModuleFileNameA
GetModuleHandleA
GetStdHandle
VirtualProtect
VirtualQuery
WriteFile

Sections

.text
Size: 83KB - Virtual size: 83KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.data_cy
Size: 512B - Virtual size: 4B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 572B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE