retUrn[.]exe | Triage

General

Target

retUrn.exe
Size

2.5MB
MD5

8e437b75b4b8fc566cac3d2010763c22
SHA1

126c02935dc5de914e155004bc1e698b962001f6
SHA256

e6e6a242b3dc4d3d843ff146db9ef275348ff663bf0e1524e6623bbfc0e63577
SHA512

b83c1c49c8e9380f0245e2430eed89932e542364b577a10b22e70b000240f2684f73f1004057375ce90bfa0b2573fdc9d36594aee51871d2f3331138a7543b76
SSDEEP

49152:99n08Oyq0U5i1PFX3TKXjZywnv6ERgfa39yLt7Ib8RWvqKwIQWWvckYU/k7wOh:99nzWv+PFnTklSERbNyZG8Ryw/WWk0KT

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
retUrn.exe

Files

retUrn.exe
.exe windows:6 windows x64 arch:x64

de41d4e0545d977de6ca665131bb479a

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

msvcrt

__C_specific_handler
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_commode
_fmode
_initterm
_onexit
_wcsicmp
_wcsnicmp
abort
calloc
exit
fprintf
free
fwrite
malloc
memcpy
memset
signal
strlen
strncmp
vfprintf
wcscat
wcscpy
wcslen
wcsncmp

kernel32

DeleteCriticalSection
EnterCriticalSection
GetLastError
InitializeCriticalSection
LeaveCriticalSection
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualProtect
VirtualQuery

Sections

.text
Size: 36KB - Virtual size: 35KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2.5MB - Virtual size: 2.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 512B - Virtual size: 396B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 120B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

de41d4e0545d977de6ca665131bb479a

Headers

DLL Characteristics

File Characteristics

Imports

msvcrt

kernel32

Sections

.text Size: 36KB - Virtual size: 35KB

.rdata Size: 8KB - Virtual size: 8KB

.data Size: 2.5MB - Virtual size: 2.5MB

.pdata Size: 512B - Virtual size: 396B

.00cfg Size: 512B - Virtual size: 16B

.tls Size: 512B - Virtual size: 16B

.reloc Size: 512B - Virtual size: 120B

.text
Size: 36KB - Virtual size: 35KB

.rdata
Size: 8KB - Virtual size: 8KB

.data
Size: 2.5MB - Virtual size: 2.5MB

.pdata
Size: 512B - Virtual size: 396B

.00cfg
Size: 512B - Virtual size: 16B

.tls
Size: 512B - Virtual size: 16B

.reloc
Size: 512B - Virtual size: 120B