expiro | 817a888185a2e3535a99ac48c5fa57208ab69de7e50fc9d783aff626514d21cd

Analysis

max time kernel
14s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
17/01/2025, 08:44

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General

Target

817a888185a2e3535a99ac48c5fa57208ab69de7e50fc9d783aff626514d21cd.exe
Size

601KB
MD5

611c106971664b585f75e0acd8927597
SHA1

5ec110252a62304411d404311cef1656d11fc0c9
SHA256

817a888185a2e3535a99ac48c5fa57208ab69de7e50fc9d783aff626514d21cd
SHA512

6d4a5f4799ca58fb04f7a2e8779185dda50ffcb5ea613343b9e550bdd53bd59fef5bc5b810d3d549fc91113c485de158f1c1a5b83465ec044d8be42129c46cd0
SSDEEP

12288:9Mf7R8B9JnN+gXdoMRMMsFck339ByRzffMP:927R8B7nxRRMMqckdBcLfU

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/2124-2-0x0000000001000000-0x00000000011B2000-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	817a888185a2e3535a99ac48c5fa57208ab69de7e50fc9d783aff626514d21cd.exe

C:\Users\Admin\AppData\Local\Temp\817a888185a2e3535a99ac48c5fa57208ab69de7e50fc9d783aff626514d21cd.exe
"C:\Users\Admin\AppData\Local\Temp\817a888185a2e3535a99ac48c5fa57208ab69de7e50fc9d783aff626514d21cd.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:2124

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

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Downloads

memory/2124-0-0x0000000001000000-0x00000000011B2000-memory.dmp

Filesize
1.7MB

Download
memory/2124-1-0x0000000001003000-0x0000000001005000-memory.dmp

Filesize
8KB

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memory/2124-2-0x0000000001000000-0x00000000011B2000-memory.dmp

Filesize
1.7MB

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