expiro | dc23b429814286ee407d61a6509fa7662d7d432f7f2efb2158368add80b0bd00

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/08/2026, 15:49

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-08-08_8f1fa2a35be3c7f3421ad107f8202183_elex_wannacry.exe
Size 908KB
Sample260808-s9tr3szdnb
SHA256 dc23b429814286ee407d61a6509fa7662d7d432f7f2efb2158368add80b0bd00
MD5 8f1fa2a35be3c7f3421ad107f8202183
SHA1 d254dfa325ba0674414581b6b37d705b92ba4c9d
SHA512 d7de10a161992e0c0f2c26014f0ac9c1142272a9242ea3a9eca9a5e70bbe8c1b24bf77adcc731f4e36ad4f1d645b8be134c850cf3b57512423e24954a70b4a15
SSDEEP 24576:tzB6rlge/yY2QMukMJLv58ArmhxZf2YnHxF:tVEGe6axv51r0H+YnT
TLSH
T10915AF11A7BDEC7DD9A292348A1E1B21B0D895B24E7448DF03F8095DC6B9C42D63B78F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

backdoor discovery expiro

Malware Config

Signatures

Family: 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/5804-1-0x0000000000400000-0x000000000061C000-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	2026-08-08_8f1fa2a35be3c7f3421ad107f8202183_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2026-08-08_8f1fa2a35be3c7f3421ad107f8202183_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_8f1fa2a35be3c7f3421ad107f8202183_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:5804

Network

MITRE ATT&CK Enterprise v16

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/5804-0-0x0000000000400000-0x000000000061C000-memory.dmp

Download

memory/5804-1-0x0000000000400000-0x000000000061C000-memory.dmp