expiro | 044a6ed5ee71e588421e5915a4d91ae50ca17cdb5343366ea7a0870499f7bd28

Analysis

max time kernel
94s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 20:49

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General

Target

044a6ed5ee71e588421e5915a4d91ae50ca17cdb5343366ea7a0870499f7bd28N.exe
Size

690KB
MD5

ecc9814d800ce54d974e27945f6b3d40
SHA1

a0cc6d7675700fbc6c90b2d125a5a674e90ce0f9
SHA256

044a6ed5ee71e588421e5915a4d91ae50ca17cdb5343366ea7a0870499f7bd28
SHA512

68fc22eec4606e705940b81f9ee17ab38ba75c62bb0f26e1b4ff917c17e28984bbf6cec0b3dca9adfdc2aee95e561d1370c25ddc17d26455b74b709969e81a1a
SSDEEP

12288:aSYFz/T7HVEu0ov1jWfSIHgDFlBXne+hi:iFj1EYpWSIHaFLXeW

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/3684-2-0x0000000000400000-0x000000000066F000-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	044a6ed5ee71e588421e5915a4d91ae50ca17cdb5343366ea7a0870499f7bd28N.exe

C:\Users\Admin\AppData\Local\Temp\044a6ed5ee71e588421e5915a4d91ae50ca17cdb5343366ea7a0870499f7bd28N.exe
"C:\Users\Admin\AppData\Local\Temp\044a6ed5ee71e588421e5915a4d91ae50ca17cdb5343366ea7a0870499f7bd28N.exe"
1⤵
- System Location Discovery: System Language Discovery
PID:3684

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/3684-0-0x0000000000400000-0x000000000066F000-memory.dmp

Filesize
2.4MB

Download
memory/3684-1-0x0000000000404000-0x0000000000406000-memory.dmp

Filesize
8KB

Download
memory/3684-2-0x0000000000400000-0x000000000066F000-memory.dmp

Filesize
2.4MB

Download