expiro | 89ec76878e66d1702b21a090937976c10fd72cbdfe29d3a97f6a8f4dc5eb903a

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 22:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

89ec76878e66d1702b21a090937976c10fd72cbdfe29d3a97f6a8f4dc5eb903aN.exe
Size

611KB
MD5

a6e5fc62a66683e1bc549fd7bb8c95e0
SHA1

3d9762c0657cab0cc3eeb4d3b36cccc53c931a0d
SHA256

89ec76878e66d1702b21a090937976c10fd72cbdfe29d3a97f6a8f4dc5eb903a
SHA512

76c9e4a4b1fbd560cc2f9758175bde59c34304dd36cd7622f4319410c85c9deb79e73685f9895f6685568b1a9456cffd719edc3c42e14d2fb374b61fc2f73f4e
SSDEEP

12288:aN7MM63URzWLvEt6k+Yvs9AQG5n1DzE+x9JpU6iLlnK4Z3QveXaHd:G83ueMj+Os9hIdEk9bUDRQveX

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
behavioral1/memory/3068-2-0x0000000001000000-0x0000000001267000-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	89ec76878e66d1702b21a090937976c10fd72cbdfe29d3a97f6a8f4dc5eb903aN.exe

C:\Users\Admin\AppData\Local\Temp\89ec76878e66d1702b21a090937976c10fd72cbdfe29d3a97f6a8f4dc5eb903aN.exe
"C:\Users\Admin\AppData\Local\Temp\89ec76878e66d1702b21a090937976c10fd72cbdfe29d3a97f6a8f4dc5eb903aN.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3068

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/3068-0-0x0000000001000000-0x0000000001267000-memory.dmp

Filesize
2.4MB

Download
memory/3068-1-0x0000000001003000-0x0000000001005000-memory.dmp

Filesize
8KB

Download
memory/3068-2-0x0000000001000000-0x0000000001267000-memory.dmp

Filesize
2.4MB

Download