expiro | 632452a77b367570f2b00257ec079dc90c0e53927b9f93b673229da46e85b902

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 12:52

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

632452a77b367570f2b00257ec079dc90c0e53927b9f93b673229da46e85b902N.exe
Size

653KB
MD5

addea32f3a2ed1a507984641044af550
SHA1

3d918655125f64ade5c1051b8caf7a2d1c9e818a
SHA256

632452a77b367570f2b00257ec079dc90c0e53927b9f93b673229da46e85b902
SHA512

1bfd9300b62f86cd3a8dde23daa53a0cf97b0de50d3c160a22fb5b650e85fb7771a4570b5c6161f556c2ff2a75eeeee135bcf8ce6356ca00ac00bcc638a74bce
SSDEEP

12288:tmMf7R8Bl6B3tUkMJvLteLkcAlt/OYtNV91C:tm27R8Bl6DIYLkcuO0NY

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/4324-2-0x0000000001000000-0x00000000011C8000-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	632452a77b367570f2b00257ec079dc90c0e53927b9f93b673229da46e85b902N.exe

C:\Users\Admin\AppData\Local\Temp\632452a77b367570f2b00257ec079dc90c0e53927b9f93b673229da46e85b902N.exe
"C:\Users\Admin\AppData\Local\Temp\632452a77b367570f2b00257ec079dc90c0e53927b9f93b673229da46e85b902N.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4324

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/4324-0-0x0000000001000000-0x00000000011C8000-memory.dmp

Filesize
1.8MB

Download
memory/4324-1-0x0000000001003000-0x0000000001005000-memory.dmp

Filesize
8KB

Download
memory/4324-2-0x0000000001000000-0x00000000011C8000-memory.dmp

Filesize
1.8MB

Download