expiro | 305a460073b547230dcdf8f6a2c6aaa827c11b3fe1c1684c92adcdb1429a39a2

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/12/2024, 12:45

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General

Target

305a460073b547230dcdf8f6a2c6aaa827c11b3fe1c1684c92adcdb1429a39a2.exe
Size

667KB
MD5

3bfdde717a35e3d27500c5fd46947420
SHA1

48adb100a575d760d5e91e6884993c7a6a8baaf7
SHA256

305a460073b547230dcdf8f6a2c6aaa827c11b3fe1c1684c92adcdb1429a39a2
SHA512

de31b9697c379cfc94191de92802aecd9bea34ab6ff7421a5d81498ca83a14f7d114ef69e8d22e35893dbf3d47e071d7a8b820cc1d97ae8af67999904641e95d
SSDEEP

12288:EMf7R8Bdrvn+kf/X38405OWQS/Wwf27PYMHgD7/mVUOqPAKBGGcl:E27R8BNfFfP8405OWQS/WwfKPYWgn/mF

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/4304-2-0x0000000001000000-0x000000000126C000-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	305a460073b547230dcdf8f6a2c6aaa827c11b3fe1c1684c92adcdb1429a39a2.exe

C:\Users\Admin\AppData\Local\Temp\305a460073b547230dcdf8f6a2c6aaa827c11b3fe1c1684c92adcdb1429a39a2.exe
"C:\Users\Admin\AppData\Local\Temp\305a460073b547230dcdf8f6a2c6aaa827c11b3fe1c1684c92adcdb1429a39a2.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:4304

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/4304-0-0x0000000001000000-0x000000000126C000-memory.dmp

Filesize
2.4MB

Download
memory/4304-1-0x0000000001003000-0x0000000001005000-memory.dmp

Filesize
8KB

Download
memory/4304-2-0x0000000001000000-0x000000000126C000-memory.dmp

Filesize
2.4MB

Download