expiro | cb5a30c2af6c415e0d2fe5199bfa0e3fc9e9eec1616a0bb3fbf2c05afc9bf9ec

Analysis

max time kernel
94s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 17:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

cb5a30c2af6c415e0d2fe5199bfa0e3fc9e9eec1616a0bb3fbf2c05afc9bf9ec.exe
Size

611KB
MD5

63d072b7a03a8f37f1680c4e025fd3ad
SHA1

10ce9d0fa5b4efd21823bcc2b5461f594c01f9b1
SHA256

cb5a30c2af6c415e0d2fe5199bfa0e3fc9e9eec1616a0bb3fbf2c05afc9bf9ec
SHA512

357ce61a37b1f5ba78e5a7d8a861fa295557695c261d880d9e82a56b2bfa3efab419367527ef4a126090943184cfc46f96e1ce1675c3c0f6d985681151f5626a
SSDEEP

12288:aN7MM63URzWLvEt6k+Yvs9AQG5n1DzE+x9JpU6iLlnK4Z3QveXaHd1:G83ueMj+Os9hIdEk9bUDRQveXE

Score

10^/10

expiro backdoor discovery

Malware Config

Signatures

Expiro family
expiro
Expiro, m0yv
Expiro aka m0yv is a multi-functional backdoor written in C++.
backdoor expiro

Expiro payload 1 IoCs

backdoor

resource	yara_rule
behavioral2/memory/4396-2-0x0000000001000000-0x0000000001267000-memory.dmp	family_expiro1

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cb5a30c2af6c415e0d2fe5199bfa0e3fc9e9eec1616a0bb3fbf2c05afc9bf9ec.exe

C:\Users\Admin\AppData\Local\Temp\cb5a30c2af6c415e0d2fe5199bfa0e3fc9e9eec1616a0bb3fbf2c05afc9bf9ec.exe
"C:\Users\Admin\AppData\Local\Temp\cb5a30c2af6c415e0d2fe5199bfa0e3fc9e9eec1616a0bb3fbf2c05afc9bf9ec.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4396-0-0x0000000001000000-0x0000000001267000-memory.dmp

Filesize
2.4MB

Download
memory/4396-1-0x0000000001003000-0x0000000001005000-memory.dmp

Filesize
8KB

Download
memory/4396-2-0x0000000001000000-0x0000000001267000-memory.dmp

Filesize
2.4MB

Download